{"id":4523,"date":"2026-09-22T09:21:40","date_gmt":"2026-09-22T09:21:40","guid":{"rendered":"https:\/\/hontitan.com\/?p=4523"},"modified":"2026-09-22T09:21:41","modified_gmt":"2026-09-22T09:21:41","slug":"titanium-passivation-process","status":"publish","type":"post","link":"https:\/\/hontitan.com\/ko\/titanium-passivation-process\/","title":{"rendered":"\ud2f0\ud0c0\ub284 \ud328\uc2dc\ubca0\uc774\uc158: \uacf5\uc815 \uac00\uc774\ub4dc, ASTM \ud45c\uc900 \ubc0f \uc0b0\uc131 \uc6a9\uc561 \uc120\ud0dd"},"content":{"rendered":"

\ud2f0\ud0c0\ub284\uc740 \uc790\uc5f0\uc801\uc73c\ub85c \ubcf4\ud638\uc6a9 TiO2 \uc0b0\ud654\uce35\uc744 \ud615\uc131\ud558\uc9c0\ub9cc, \uac00\uacf5, \uc6a9\uc811 \ubc0f \ucde8\uae09 \uacfc\uc815\uc5d0\uc11c \uc774 \uce35\uc774 \uc190\uc0c1\ub418\uace0 \uc720\uae30 \ucca0 \uc624\uc5fc\ubb3c\uc9c8\uc774 \uc720\uc785\ub418\uc5b4 \ubcf4\ud638 \uae30\ub2a5\uc744 \uc0c1\uc2e4\ud558\uac8c \ub429\ub2c8\ub2e4. \uc9c8\uc0b0\uc774\ub098 \uad6c\uc5f0\uc0b0\uc744 \uc0ac\uc6a9\ud55c \uc81c\uc5b4\ub41c \ubc30\uc2a4\uc5d0\uc11c\uc758 \ud654\ud559\uc801 \uc218\ub3d9\ud0dc\ud654(Passivation) \uacf5\uc815\uc740 \uc774\ub7ec\ud55c \uc624\uc5fc\uc744 \uc81c\uac70\ud558\uace0 \uc218\ub3d9\ud0dc \ud53c\ub9c9\uc744 \ubcf5\uc6d0\ud569\ub2c8\ub2e4. \uc62c\ubc14\ub978 \ud45c\uc900\uc740 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4: ASTM B600<\/strong> \uc0b0\uc5c5 \ubc0f \uc758\ub8cc \uae30\uae30 \uc2a4\ucf00\uc77c \uc81c\uac70\/\uc138\ucc99\uc6a9, ASTM F86<\/strong> \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8(\uc9c8\uc0b0\ub9cc \ud574\ub2f9)\uc6a9, \uadf8\ub9ac\uace0 AMS 2487\/2488<\/strong> \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \uc544\ub178\ub2e4\uc774\uc9d5. ASTM A380\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud45c\uc900\uc774\uba70 \uac00\uacf5 \uc5c5\uccb4\uc5d0\uc11c \ub110\ub9ac \uc778\uc6a9\ub428\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uacf5\uc2dd\uc801\uc73c\ub85c \ud2f0\ud0c0\ub284\uc744 \ub2e4\ub8e8\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. \ubcf8 \uac00\uc774\ub4dc\ub294 \uacf5\uc815 \ub9e4\uac1c\ubcc0\uc218, \uc0b0\uc131 \ubb3c\uc9c8 \uac04\uc758 \uc808\ucda9\uc810, \ud569\uae08\ubcc4 \uace0\ub824 \uc0ac\ud56d \ubc0f \uac80\uc99d \ubc29\ubc95 \ub4f1 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc744 \uc81c\uc678\ud55c \uc624\uc9c1 \ud2f0\ud0c0\ub284\uc5d0 \ud2b9\ud654\ub41c \ub0b4\uc6a9\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud2f0\ud0c0\ub284 \uc218\ub3d9\ud0dc\ud654\uc758 \uc2e4\uc81c \uc5ed\ud560<\/h2>\n\n\n\n

\ud2f0\ud0c0\ub284\uc758 \ubd80\ub3d9\ud0dc\ud654(Passivation)\ub294 \ubcf4\ud638\uce35\uc744 \uc0c8\ub85c \ub9cc\ub4dc\ub294 \uac83\uc774\ub77c\uae30\ubcf4\ub2e4 \uac00\uacf5 \uacfc\uc815\uc5d0\uc11c \ud30c\uad34\ub41c \ubcf4\ud638\uce35\uc744 \ubcf5\uc6d0\ud558\ub294 \uac83\uc5d0 \uac00\uae5d\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

\ud2f0\ud0c0\ub284\uc740 \uc2a4\uc2a4\ub85c \ubd80\ub3d9\ud0dc\ud654\ub429\ub2c8\ub2e4. \uc0c8\ub85c \ub178\ucd9c\ub41c \uae08\uc18d\uc774 \uacf5\uae30\ub098 \uc0b0\uc18c\uc640 \uc811\ucd09\ud558\uba74 TiO2 \ub9c9\uc774 \uc790\uc5f0\uc801\uc73c\ub85c \ud615\uc131\ub418\uba70, \uae30\uacc4\uc801 \ucda9\uaca9 \uc774\ud6c4\uc758 \uc7ac\ubd80\ub3d9\ud0dc\ud654\ub294 \uc218 \ubc00\ub9ac\ucd08 \uc774\ub0b4\uc5d0 \uc77c\uc5b4\ub0a9\ub2c8\ub2e4. \uc774 \uc0b0\ud654\ub9c9\uc740 \uc911\uac04 \uc544\uc0b0\ud654\ubb3c \ub2e8\uacc4(TiO, \uc774\ud6c4 Ti2O3)\ub97c \uac70\uccd0 \uc548\uc815\uc801\uc778 TiO2 \uc0c1\ud0dc\uc5d0 \ub3c4\ub2ec\ud569\ub2c8\ub2e4. \uc774\ub807\uac8c \ud615\uc131\ub41c \ud53c\ub9c9\uc740 \ub450\uaed8\uac00 2~6nm\uc5d0 \ubd88\uacfc\ud558\uc5ec \uac00\uc2dc\uad11\uc120 \ud30c\uc7a5\ubcf4\ub2e4 \uc57d 20~60\ubc30 \ub354 \uc587\uc9c0\ub9cc, \ubc00\ub3c4\uac00 \ub192\uace0 \uc774\uc628 \uc800\ud56d\uc131\uc774 \uac15\ud558\uba70 \uc790\uac00 \uce58\uc720 \ub2a5\ub825\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uae01\ud788\ub354\ub77c\ub3c4 \uc0b0\uc18c\ub098 \uc218\ubd84\uc774 \uc788\ub294 \ud55c \uc2a4\uc2a4\ub85c \ub2e4\uc2dc \ud615\uc131\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubb38\uc81c\ub294 \uac00\uacf5 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc120\uc0ad, \ubc00\ub9c1, \uc5f0\uc0ad \ubc0f \uc640\uc774\uc5b4 \ubc29\uc804 \uac00\uacf5(EDM) \uacfc\uc815\uc5d0\uc11c \uacf5\uad6c, \uace0\uc815\uad6c, \uac00\uacf5\ubb3c \uc720\uc9c0 \uc7a5\uce58\uc5d0 \uc788\ub358 \ucca0 \uc785\uc790\uac00 \ud2f0\ud0c0\ub284 \ud45c\uba74\uc5d0 \ubc15\ud788\uac8c \ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \uce68\ud22c\ud55c \ucca0 \uc785\uc790\ub294 \uc0ac\uc6a9 \uc911 \ubd80\uc2dd\ub418\uc5b4 \ubd80\ub3d9\ud0dc \ud53c\ub9c9 \ud558\ubd80\ub97c \ud6fc\uc190\uc2dc\ud0a4\uba70, \uc8fc\ubcc0\uc758 \uc774\uc0b0\ud654\ud2f0\ud0c0\ub284(TiO2) \uce35\uc73c\ub85c\ub294 \ud68c\ubcf5\ud560 \uc218 \uc5c6\ub294 \uc810\uc2dd(pitting) \ud604\uc0c1\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac\ub098 \uc6a9\uc811\uc740 \ub610 \ub2e4\ub978 \ubb38\uc81c\ub97c \uc720\ubc1c\ud569\ub2c8\ub2e4. \uc0b0\ud654 \uc2a4\ucf00\uc77c\uc774 \ubd88\uade0\uc77c\ud558\uac8c \uc313\uc774\uba74\uc11c \ub450\uaebc\uc6b4 \uc601\uc5ed\uc744 \ud615\uc131\ud558\uace0, \uc774\ub294 \uc790\uc5f0\uc2a4\ub7ec\uc6b4 \ubd80\ub3d9\ud0dc\ud654 \uacfc\uc815\uc744 \ubc29\ud574\ud569\ub2c8\ub2e4. \ud654\ud559\uc801 \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\ub294 \ucca0 \uc624\uc5fc\ubb3c\uacfc \uc0b0\ud654 \uc2a4\ucf00\uc77c\uc744 \ubaa8\ub450 \uc81c\uac70\ud558\uc5ec, \ud2f0\ud0c0\ub284 \ud45c\uba74\uc774 \uade0\uc77c\ud558\uace0 \uc5f0\uc18d\uc801\uc778 \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc744 \ud615\uc131\ud560 \uc218 \uc788\ub3c4\ub85d \uae68\ub057\ud55c \uc0c1\ud0dc\ub85c \ub9cc\ub4e4\uc5b4 \uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\uac83\uc774 \ubc14\ub85c \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd80\ub3d9\ud0dc\ud654\uc640 \ucc28\ubcc4\ud654\ub418\ub294 \ud575\uc2ec\uc801\uc778 \ucc28\uc774\uc810\uc785\ub2c8\ub2e4.<\/strong> \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \uacbd\uc6b0 \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc740 \uc0b0\ud654\ud06c\ub86c(Cr2O3)\uc774\uba70, \ubd80\ub3d9\ud0dc\ud654 \ud654\ud559 \uacf5\uc815\uc740 \ud45c\uba74\uc5d0 \ud06c\ub86c \ub18d\ub3c4\ub97c \ub192\uc774\uba74\uc11c \ucca0\uc744 \uc6a9\ud574\ud558\ub3c4\ub85d \uc124\uacc4\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ubc18\uba74 \ud2f0\ud0c0\ub284\uc5d0\ub294 \ud06c\ub86c\uc774 \uc5c6\uc2b5\ub2c8\ub2e4. \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc740 \uc804\uc801\uc73c\ub85c TiO2\ub85c \uad6c\uc131\ub418\uba70, \ubd80\ub3d9\ud0dc\ud654\ub294 \uc8fc\ub85c \uc138\ucc99 \ub2e8\uacc4\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \uc989, \ud654\ud559\uc801 \uc6d0\ub9ac\ub3c4, \ud45c\uc900\ub3c4, \uac80\uc99d \ubc29\ubc95\ub3c4 \ubaa8\ub450 \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\uc190\uc0c1\ub418\uc9c0<\/figure>\n\n\n\n

\ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654\uc5d0 \ub300\ud55c ASTM \ud45c\uc900 \u2014 \uc5b4\ub5a4 \uac83\uc774 \uc801\uc6a9\ub418\ub294\uac00<\/h2>\n\n\n\n

\ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654\uc640 \uad00\ub828\ud558\uc5ec 4\uac00\uc9c0 ASTM \ubc88\ud638\uac00 \uc778\uc6a9\ub418\ub294\ub370, \uadf8\uc911 2\uac1c\ub294 \uacf5\uc2dd\uc801\uc73c\ub85c \ud2f0\ud0c0\ub284\uc744 \ub2e4\ub8e8\uc9c0 \uc54a\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud45c\uc900\uc785\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

\uc5ec\uae30\uc11c \ub300\ubd80\ubd84\uc758 \uc0ac\uc591 \uc624\ub958\uac00 \uc2dc\uc791\ub429\ub2c8\ub2e4. \uadc0\ud558\uc758 \ubd80\ud488\uc5d0 \uc5b4\ub5a4 \ud45c\uc900\uc774 \uc801\uc6a9\ub418\ub294\uc9c0 \ud30c\uc545\ud558\ub294 \ub370\ub294 5\ubd84\ub3c4 \uac78\ub9ac\uc9c0 \uc54a\uc9c0\ub9cc, \ubd80\uc801\ud569\ud55c \ud45c\uba74 \ucc98\ub9ac\uac00 \ub41c \uc758\ub8cc \uae30\uae30\ub098 \uc798\ubabb\ub41c \uc0ac\uc591\uc73c\ub85c \ubd80\ub3d9\ud0dc\ud654\ub41c \ud56d\uacf5 \uc6b0\uc8fc\uc6a9 \ud328\uc2a4\ub108 \ub4f1 \uc798\ubabb \uc120\ud0dd\ud588\uc744 \ub54c\uc758 \uacb0\uacfc\ub294 \ub9e4\uc6b0 \uce58\uba85\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud45c\uc900<\/th>\uacf5\uc2dd \ubc94\uc704<\/th>\uacf5\uc815 \ubc29\uc2dd<\/th>\uc8fc\uc694 \uc0b0\uc5c5<\/th><\/tr><\/thead>
ASTM B600<\/strong><\/td>\ud2f0\ud0c0\ub284 \ubc0f \ud2f0\ud0c0\ub284 \ud569\uae08<\/td>\ud0c8\ub9bc(HNO3\/HF \ubd80\uc2dd \ub610\ub294 \uae30\uacc4\uc801) + \ud328\uc2dc\ubca0\uc774\uc158(A967 \uae30\ubc18 \ucc98\ub9ac, \uad6c\uc5f0\uc0b0 \uc635\uc158 \ud3ec\ud568)<\/td>\uc0b0\uc5c5, \uc758\ub8cc \uae30\uae30, \ud56d\uacf5\uc6b0\uc8fc \uc81c\uc870\uc5c5\uccb4<\/td><\/tr>
ASTM F86<\/strong><\/td>\uae08\uc18d \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8(\ud2f0\ud0c0\ub284 \ud3ec\ud568)<\/td>\uc9c8\uc0b0\ub9cc \uc0ac\uc6a9(20\u201345%, 20\u201330\u00b0C, \ucd5c\uc18c 30\ubd84)<\/td>\uc758\ub8cc \uae30\uae30 \ubc0f \uc784\ud50c\ub780\ud2b8<\/td><\/tr>
ASTM A380<\/td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ub9cc \uc0ac\uc6a9<\/strong> (200, 300, 400 \uc2dc\ub9ac\uc988)<\/td>\uc9c8\uc0b0(\uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc804\uc6a9 \uc808\ucc28)<\/td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd80\ud488 \u2014 not<\/em> \ud2f0\ud0c0\ub284<\/td><\/tr>
ASTM A967<\/td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\ub9cc \uc0ac\uc6a9<\/strong><\/td>\uc9c8\uc0b0 \ub610\ub294 \uad6c\uc5f0\uc0b0(\ub2e4\uc591\ud55c \ubc29\ubc95 \uc635\uc158)<\/td>\uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd80\ud488 \u2014 not<\/em> \ud2f0\ud0c0\ub284<\/td><\/tr>
AMS 2487<\/td>\ud2f0\ud0c0\ub284 \ud569\uae08 \u2014 \uc804\uae30 \uc808\uc5f0 \uc544\ub178\ub2e4\uc774\uc9d5 \ucf54\ud305<\/td>\uc804\uae30 \ud654\ud559\uc801 \uc591\uadf9 \uc0b0\ud654 (pH 12.4 \ucd5c\ub300 \uc695\uc870)<\/td>\ud56d\uacf5\uc6b0\uc8fc (\uc804\uae30 \uc808\uc5f0 \uc751\uc6a9)<\/td><\/tr>
AMS 2488<\/td>\ud2f0\ud0c0\ub284 \ud569\uae08 \u2014 \uacbd\uc9c8 \ucf54\ud305 \uc591\uadf9 \uc0b0\ud654<\/td>\uc720\ud615 I: \uc587\uc740 \uc7a5\uc2dd\uc6a9; \uc720\ud615 II: \ub450\uaebc\uc6b4 \ub0b4\ub9c8\ubaa8\uc131<\/td>\ud56d\uacf5\uc6b0\uc8fc \ud328\uc2a4\ub108, \uad6c\uc870\uc6a9 \ube0c\ub798\ud0b7<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

ASTM B600<\/strong> \uc740 \ud2b9\ud788 \ud2f0\ud0c0\ub284\uc744 \uc704\ud55c \ud45c\uc900 \uaddc\uaca9\uc785\ub2c8\ub2e4. \uc774 \uaddc\uaca9\uc740 \uc81c\uc870\uc5c5\uccb4, \uac00\uacf5\uc5c5\uccb4 \ubc0f \ucd5c\uc885 \uc0ac\uc6a9\uc790\ub97c \uc704\ud55c \ud2f0\ud0c0\ub284 \ubc0f \ud2f0\ud0c0\ub284 \ud569\uae08 \ud45c\uba74\uc758 \uc2a4\ucf00\uc77c \uc81c\uac70 \ubc0f \uccad\uc18c\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. B600\uc758 \uc8fc\uc694 \uc2a4\ucf00\uc77c \uc81c\uac70 \ubc29\ubc95\uc740 HNO3\/HF \uc5d0\uce6d \uc6a9\uc561(\ub610\ub294 \uae30\uacc4\uc801 \uc2a4\ucf00\uc77c \uc81c\uac70)\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc2a4\ucf00\uc77c\uc744 \uc81c\uac70\ud558\uace0, ASTM A967\uc5d0\uc11c \uc81c\uacf5\ud558\ub294 \ud328\uc2dc\ubca0\uc774\uc158 \ucc98\ub9ac\uc5d0 \uc774\uc5b4 \uc9c4\ud589\ub429\ub2c8\ub2e4. \uc774\ub294 \uc801\uc6a9\uc5d0 \ub530\ub77c \uc9c8\uc0b0 \ubc0f \uad6c\uc5f0\uc0b0 \uc635\uc158\uc744 \ud5c8\uc6a9\ud569\ub2c8\ub2e4. \uc758\ub8cc \uae30\uae30 \uc81c\uc870\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 B600 \uc900\uc218 \uc808\ucc28 \uc911 \ud558\ub098\ub294 \uc2a4\ucf00\uc77c\uc744 \uc81c\uac70\ud558\uae30 \uc704\ud574 \ubb34\ucca0 \ub9e4\uccb4\ub85c \uc720\ub9ac \ube44\ub4dc \ube14\ub77c\uc2a4\ud305\uc744 \uc218\ud589\ud55c \ud6c4, A967 \uae30\ubc18 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc0ac\uc6a9\ud558\uc5ec \uad6c\uc5f0\uc0b0 \ud328\uc2dc\ubca0\uc774\uc158 \uc695\uc870\uc5d0 \ub2f4\uadf8\ub294 \uac83\uc785\ub2c8\ub2e4. \uc5f4 \ucc98\ub9ac\ub97c \uac70\uce58\uc9c0 \uc54a\uc740 CNC \uac00\uacf5 \ubd80\ud488\uc740 \uc885\uc885 \uae30\uacc4\uc801 \uc2a4\ucf00\uc77c \uc81c\uac70 \ub2e8\uacc4\ub97c \uc0dd\ub7b5\ud558\uace0 \ubc14\ub85c \uc0b0 \ud328\uc2dc\ubca0\uc774\uc158 \ub2e8\uacc4\ub85c \ub118\uc5b4\uac11\ub2c8\ub2e4.<\/p>\n\n\n\n

ASTM F86<\/strong> \uc740 \uae08\uc18d \uc218\uc220\uc6a9 \uc784\ud50c\ub780\ud2b8\uc5d0 \ub300\ud55c \ud328\uc2dc\ubca0\uc774\uc158 \ud45c\uc900\uc73c\ub85c, \uac00\uc7a5 \ub192\uc740 \uc704\ud5d8\uc774 \uc788\ub294 \ud2f0\ud0c0\ub284 \uc801\uc6a9 \ubd84\uc57c\ub97c \ub2e4\ub8f9\ub2c8\ub2e4. \uc774 \ud45c\uc900\uc740 \ud2f0\ud0c0\ub284\uc5d0 \ub300\ud574 \uc624\uc9c1 \uc9c8\uc0b0\ub9cc\uc744 \uaddc\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud45c\uc900\uc740 \ub450 \uac00\uc9c0 \uc870\uac74\uc744 \uc815\uc758\ud569\ub2c8\ub2e4: \uc77c\ubc18 \uc870\uac74(20\u201345% v\/v HNO3, 20\u201330\u00b0C, \ucd5c\uc18c 30\ubd84)\uacfc \uac00\uc18d \uc870\uac74(20\u201325% v\/v HNO3, 50\u201360\u00b0C, \uc9e7\uc740 \uccb4\ub958 \uc2dc\uac04)\uc785\ub2c8\ub2e4. \uad6c\uc5f0\uc0b0\uc740 ASTM F86\uc5d0 \ub530\ub77c \ud5c8\uc6a9\ub41c \ub300\uccb4\uc81c\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/strong> \uadc0\ud558\uc758 \ubd80\ud488\uc774 \ud2f0\ud0c0\ub284 \uc784\ud50c\ub780\ud2b8\uc774\uac70\ub098 \uc2e0\uccb4\uc5d0 \uc774\uc2dd\ub41c \uacbd\uc6b0 F86\uc774 \uc801\uc6a9\ub418\uba70, \uacf5\uc2dd\uc801\uc73c\ub85c \uac80\uc99d\ub418\uc9c0 \uc54a\ub294 \ud55c \ubaa8\ub4e0 \ucc98\ub9ac \ub300\uccb4\ub294 \ubd88\uc77c\uce58\ub85c \uac04\uc8fc\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc65c ASTM A380\uc774 \uadf8\ub807\uac8c \ub9ce\uc740 \ud2f0\ud0c0\ub284 \ub3c4\uba74\uc5d0 \uc788\uc744\uae4c\uc694?<\/strong> \ud45c\uba74 \ucc98\ub9ac \uc5c5\uccb4\ub4e4\uc774 \uc218\uc2ed \ub144\uac04 A380\uc758 \uc9c8\uc0b0 \uc138\ucc99 \uc808\ucc28\ub97c \ud2f0\ud0c0\ub284\uc5d0 \uc801\uc6a9\ud574 \uc654\uace0, \uc0b0\uc131 \ud654\ud559 \uc791\uc6a9\uc774 \uc720\uc0ac\ud558\uac8c \uc77c\uc5b4\ub098\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. A380\uc740 \uc9c8\uc0b0 \ubd80\ub3d9\ud0dc\ud654 \ucf54\ub4dc(\ub2e4\uc591\ud55c \uc628\ub3c4\uc640 \uc2dc\uac04 \uc870\uac74\uc5d0\uc11c\uc758 20~50% HNO3)\ub97c \uc815\uc758\ud558\uace0 \uc788\uc73c\uba70, \uc5c5\uccb4\ub4e4\uc740 \uad00\ud589\uc774\ub098 \ud3b8\uc758\uc0c1 \uc774\ub97c \ud2f0\ud0c0\ub284\uc5d0\ub3c4 \uc801\uc6a9\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \uc774 \ud45c\uc900\uc758 \uacf5\uc2dd\uc801\uc778 \ubc94\uc704\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc774\uba70, A380\uc5d0\ub294 \ud2f0\ud0c0\ub284 \uc804\uc6a9 \uc808\ucc28\ub098 \ud2f0\ud0c0\ub284 \uc0b0\ud654 \uc2a4\ucf00\uc77c\uc5d0 \ub300\ud55c \uc81c\uac70 \uc9c0\uce68, \ub610\ub294 \ud569\uae08\ubcc4 \uc720\uc758 \uc0ac\ud56d\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub9cc\uc57d \ub3c4\uba74\uc5d0\uc11c \ud2f0\ud0c0\ub284 \ubd80\ud488\uc5d0 \ub300\ud574 A380\uc744 \ucc38\uc870\ud558\uace0 \uc788\ub2e4\uba74, \uc774\ub294 \uac70\uc758 \ud655\uc2e4\ud788 \uc9c8\uc0b0 \uc138\ucc99 \uc808\ucc28\ub97c \ub530\ub974\ub77c\ub294 \uc758\ub3c4\uc774\uaca0\uc73c\ub098, \uc6a9\ub3c4\uc5d0 \ub530\ub978 \uc815\ud655\ud55c \ucc38\uc870 \ud45c\uc900\uc740 B600 \ub610\ub294 F86\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

ASTM A967<\/strong> \uc740 A380\uacfc \ub3d9\uc77c\ud55c \uc704\uce58\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uac00\ub054 \ud0c0\uc774\ud0c0\ub284\uc744 \uc704\ud574 \ub9c8\uac10 \uc791\uc5c5\uc7a5\uc5d0\uc11c \uc778\uc6a9\ub418\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \uc0ac\uc591\uc785\ub2c8\ub2e4. A967\uc740 \ud2b9\uc815 \ub9e4\uac1c\ubcc0\uc218\ub97c \uac00\uc9c4 \uc5ec\ub7ec \uac00\uc9c0 \uad6c\uc5f0\uc0b0 \ubc0f \uc9c8\uc0b0 \ubc29\ubc95 \uc635\uc158\uc744 \uc815\uc758\ud569\ub2c8\ub2e4. \uc774 \ubc29\ubc95\ub4e4\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uc5d0 \ub300\ud574 \uc720\ud6a8\ud558\uba70, \ud45c\uc900\uc5d0 \uc758\ud574 \ud0c0\uc774\ud0c0\ub284\uc5d0 \ub300\ud574 \uacf5\uc2dd\uc801\uc73c\ub85c \uac80\uc99d\ub418\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc804\uae30\ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158(\uc544\ub178\ub2e4\uc774\uc9d5)\uc744 \uc694\uad6c\ud558\ub294 \ud56d\uacf5\uc6b0\uc8fc \ubd80\ud488\uc758 \uacbd\uc6b0, AMS 2487<\/strong> (\uc804\uae30 \uc808\uc5f0 \uc751\uc6a9\uc744 \uc704\ud574 \uc0ac\uc6a9\ub418\ub294 \uc804\uae30\uc801\uc73c\ub85c \uc808\uc5f0\ub41c \uc544\ub178\ub515 \ucf54\ud305) \ubc0f AMS 2488<\/strong> (\ud558\ub4dc \ucf54\ud305 - \uc81c1\uc885 \uc587\uc740 \uc7a5\uc2dd\uc6a9, \uc81c2\uc885 \ub450\uaebc\uc6b4 \ub0b4\ub9c8\ubaa8\uc131)\uac00 \ud574\ub2f9 SAE \uc0ac\uc591\uc785\ub2c8\ub2e4. AMS 2488 \uc81c2\uc885\uc740 \ud328\uc2a4\ub108, \uad6c\uc870 \ube0c\ub798\ud0b7 \ubc0f \ud574\uc800 \ucee4\ub125\ud130\uc5d0 \uc0ac\uc6a9\ub418\ub294 \ud68c\uc0c9\uc758 \ub0b4\ub9c8\ubaa8\uc131 \uc0b0\ud654\uce35\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\ud0c0\uc774\ud0c0\ub284<\/figure>\n\n\n\n

\uc9c8\uc0b0 \ub300 \uad6c\uc5f0\uc0b0 - \uc62c\ubc14\ub978 \ubc29\ubc95 \uc120\ud0dd\ud558\uae30<\/h2>\n\n\n\n

\uc758\ub8cc\uc6a9 \uc784\ud50c\ub780\ud2b8\uc758 \uacbd\uc6b0 ASTM F86 \uaddc\uaca9\uc5d0 \ub530\ub77c \uc9c8\uc0b0\uc744 \ubc18\ub4dc\uc2dc \uc0ac\uc6a9\ud574\uc57c \ud558\uba70, \uad6c\uc5f0\uc0b0\uc740 \uc120\ud0dd \uc0ac\ud56d\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uadf8 \uc678\uc758 \ubaa8\ub4e0 \uc6a9\ub3c4\uc5d0\uc11c\ub294 \uc548\uc804\uc131, \ud658\uacbd \uc694\uad6c \uc0ac\ud56d \ubc0f \uacf5\uc815 \uc2dc\uac04\uc5d0 \ub530\ub77c \uc120\ud0dd\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

\ub450 \uc0b0 \ubaa8\ub450 \uc11c\ub85c \ub2e4\ub978 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 \uc720\ub9ac \ucca0\uacfc \ud45c\uba74 \uc624\uc5fc\ubb3c\uc9c8\uc774\ub77c\ub294 \ub3d9\uc77c\ud55c \ub300\uc0c1\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \uc9c8\uc0b0\uc740 \ucca0\uc744 \ube60\ub974\uac8c \uc6a9\ud574\ud558\ub294 \ub3d9\uc2dc\uc5d0 \ud2f0\ud0c0\ub284 \ud45c\uba74\uc744 \ubd80\ub3d9\ud0dc\ud654\ud558\ub294 \uac15\ub825\ud55c \uc0b0\ud654\uc131 \uc0b0\uc785\ub2c8\ub2e4. \ubc18\uba74 \uad6c\uc5f0\uc0b0\uc740 \ud569\uae08 \uad6c\uc870\ub97c \uc190\uc0c1\uc2dc\ud0a4\uc9c0 \uc54a\uc73c\uba74\uc11c \ucca0\uc744 \ud0ac\ub808\uc774\ud2b8\ud654\ud558\uc5ec \uc6a9\ud574\ud558\ub294 \uc21c\ud55c \uc720\uae30\uc0b0(FDA\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc548\uc804\ud558\ub2e4\uace0 \uc778\uc815\ud558\ub294 GRAS \ub4f1\uae09\uc73c\ub85c \ubd84\ub958\ub428)\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub9e4\uac1c\ubcc0\uc218<\/th>\uc9c8\uc0b0 (HNO3)<\/th>\uad6c\uc5f0\uc0b0<\/th><\/tr><\/thead>
\uc9d1\uc911\ub825<\/strong><\/td>20\u201345% v\/v<\/td>4\u201310% w\/v<\/td><\/tr>
\uc628\ub3c4<\/strong><\/td>20\u201330\u00b0C (ASTM F86)<\/td>70\u2013160\u00b0F \/ 21\u201371\u00b0C (\ubc29\ubc95\uc5d0 \ub530\ub77c \ub2e4\ub984)<\/td><\/tr>
\ucd5c\uc18c \uce68\uc9c0 \uc2dc\uac04<\/strong><\/td>30\ubd84<\/td>4\u201320\ubd84<\/td><\/tr>
\uad00\ub828 \ud45c\uc900 (Ti)<\/strong><\/td>ASTM F86 (\uc758\ub8cc\uc6a9); \uad00\ub840\uc5d0 \ub530\ub77c A380\/A967 \uc808\ucc28 \uc801\uc6a9<\/td>ASTM B600<\/td><\/tr>
\uc758\ub8cc\uc6a9 \uc784\ud50c\ub780\ud2b8 \ud5c8\uc6a9 \uc5ec\ubd80 (F86)<\/strong><\/td>\uc608 \u2014 \ud544\uc218 \uc758\ubb34 \uc0ac\ud56d<\/strong><\/td>\uc544\ub2c8\uc694 \u2014 \ud5c8\uc6a9\ub418\uc9c0 \uc54a\uc74c<\/strong><\/td><\/tr>
\ud658\uacbd \ubc0f \uc548\uc804<\/strong><\/td>\uc720\ub3c5 \uac00\uc2a4(NOx) \ubc1c\uc0dd, \ud744 \ucd94\ucd9c \uc124\ube44 \ubc0f \uc0b0\uc131 \ud3d0\uae30\ubb3c \ucc98\ub9ac \ud544\uc694<\/td>\uc0dd\ubd84\ud574\uc131, \ub3c5\uc131 \uac00\uc2a4 \uc5c6\uc74c, \uac1c\uc778 \ubcf4\ud638 \uc7a5\uad6c(PPE) \ubd80\ub2f4 \ub0ae\uc74c<\/td><\/tr>
\ud50c\ub798\uc2dc \uc5b4\ud0dd(Flash attack) \uc704\ud5d8<\/strong><\/td>\uc911\uac04 \uc218\uc900 (\uace0\uc628 \ub610\ub294 \uace0\ub18d\ub3c4 \uc2dc \uc704\ud5d8\ub3c4 \uc0c1\uc2b9)<\/td>Lower<\/td><\/tr>
\uc218\uc18c \ucde8\uc131 \uc704\ud5d8<\/strong><\/td>\ub0ae\uc74c<\/td>\ub0ae\uc74c<\/td><\/tr>
\uc77c\ubc18\uc801\uc778 \uc2dc\uc124 \ube44\uc6a9<\/strong><\/td>\ub192\uc74c (\ud658\uae30, \uc911\ud654, \ud3d0\uae30 \ucc98\ub9ac \ube44\uc6a9)<\/td>Lower<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud50c\ub798\uc2dc \uc5b4\ud0dd(Flash attack)<\/strong> \ud2f0\ud0c0\ub284\uc5d0 \uc9c8\uc0b0\uc744 \uc0ac\uc6a9\ud560 \ub54c \uac00\uc7a5 \uc8fc\uc694\ud55c \uacf5\uc815\uc0c1 \uc704\ud5d8 \uc694\uc18c\ub294 \ud50c\ub798\uc2dc \uc5b4\ud0dd\uc785\ub2c8\ub2e4. \ub18d\ub3c4\uac00 \ub108\ubb34 \ub192\uac70\ub098, \uc628\ub3c4\uac00 \uc0c1\uc2b9\ud558\uac70\ub098, \uce68\uc9c0 \uc2dc\uac04\uc774 \uae38\uc5b4\uc9c0\uba74 \uc0b0\uc774 \ud45c\uba74\uc744 \ubd80\ub3d9\ud0dc\ud654\ud558\ub294 \ub300\uc2e0 \uc5d0\uce6d\ud558\uac70\ub098 \uad6c\uba4d\uc744 \ub0bc(\ud53c\ud305) \uc218 \uc788\uc2b5\ub2c8\ub2e4. ASTM F86\uc5d0\uc11c \uaddc\uc815\ud55c \ubc94\uc704(20~45% HNO3, 20~30\u00b0C)\ub97c \uc720\uc9c0\ud558\uba74 \uc774\ub7ec\ud55c \uc704\ud5d8\uc744 \ucd5c\uc18c\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ud2f0\ud0c0\ub284\uc744 \ub3d9\uc77c\ud55c \ubc30\uc2a4(bath)\uc5d0\uc11c \ucc98\ub9ac\ud558\ub294 \uc791\uc5c5\uc7a5\uc774\ub77c\uba74, \uace0\uc628\uc758 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \uacf5\uc815(\uc77c\ubd80 A380 \uaddc\uaca9\uc740 120~160\u00b0F\uc5d0\uc11c \uc791\ub3d9)\uc774 \ud2f0\ud0c0\ub284\uc744 \uc704\ud55c F86\uc758 \uc628\ub3c4 \ubc94\uc704\ub97c \ubc97\uc5b4\ub09c\ub2e4\ub294 \uc810\uc5d0 \uc720\uc758\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc791\uc5c5\uc7a5\uc758 \uc548\uc804\uacfc \ud658\uacbd \uaddc\uc815 \uc900\uc218\uac00 \uc911\uc694\ud55c \ube44\uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub294 \uad6c\uc5f0\uc0b0(Citric acid)\uc774 \uc120\ud638\ub418\ub294 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4. ASTM B600\uc758 \uad6c\uc5f0\uc0b0 \ucc98\ub9ac \uc808\ucc28(4~10 \uc911\ub7c9% \uc6a9\uc561, \uc0c1\uc628~71\u00b0C, 4~20\ubd84)\ub294 \ubcc4\ub3c4\uc758 \ud744 \ucd94\ucd9c \uc2dc\uc2a4\ud15c \uc5c6\uc774\ub3c4 \uac04\ud3b8\ud558\uac8c \ub3c4\uc785\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc \uace0\ub824\ud574\uc57c \ud560 \uc810\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. \uad6c\uc5f0\uc0b0 \ub2e8\ub3c5\uc73c\ub85c\ub294 \uc720\ub9ac \ube44\ub4dc \ube14\ub77c\uc2a4\ud305(glass bead blasting)\uc758 \uc2a4\ucf00\uc77c \uc81c\uac70 \uae30\ub2a5\uc744 \ub300\uccb4\ud560 \uc218 \uc5c6\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4.<\/strong> \uc2a4\ucf00\uc77c\uc774 \uc2ec\ud558\uac8c \ubc1c\uc0dd\ud55c \ubd80\ud488\uc758 \uacbd\uc6b0, B600\uc758 2\ub2e8\uacc4 \uc2dc\ud000\uc2a4(1\ub2e8\uacc4 \uae30\uacc4\uc801 \uc2a4\ucf00\uc77c \uc81c\uac70, 2\ub2e8\uacc4 \uad6c\uc5f0\uc0b0 \ubd80\ub3d9\ud0dc\ud654)\ub97c \ubaa8\ub450 \uac70\uccd0\uc57c \uc644\uc804\ud55c \ucc98\ub9ac\uac00 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\uae08\uc18d<\/figure>\n\n\n\n

Ti-6Al-4V \ub300 \uc21c\uc218 \ud2f0\ud0c0\ub284 \u2014 \ud569\uae08\uc5d0 \ub530\ub77c \ubd80\ub3d9\ud0dc\ud654 \uacf5\uc815\uc774 \ub2ec\ub77c\uc9c0\ub294\uac00?<\/h2>\n\n\n\n

\ud569\uae08\uc758 \ub4f1\uae09\uc740 \ub2e8\uc21c\ud788 \ubd80\ub3d9\ud0dc\ud654 \ud654\ud559 \ubc18\uc751\ubfd0\ub9cc \uc544\ub2c8\ub77c, \uc801\uc6a9\ub418\ub294 \ubd80\ub3d9\ud0dc\ud654 \uc808\ucc28, \ud45c\uba74 \ud654\ud559\uc801 \uac70\ub3d9, \uadf8\ub9ac\uace0 \uc5b4\ub5a4 \uc758\ub8cc \ud45c\uc900\uc744 \ub530\ub97c\uc9c0 \uc5ec\ubd80\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

\uc0b0\uc5c5\uc6a9 \ud2f0\ud0c0\ub284\uc740 \ud06c\uac8c \uc0c1\uc5c5\uc6a9 \uc21c\uc218 \ud2f0\ud0c0\ub284(cp-Ti, 1~4 \ub4f1\uae09)\uacfc \ud569\uae08(5 \ub4f1\uae09 \uc774\uc0c1)\uc758 \ub450 \uac00\uc9c0 \ubc94\uc8fc\ub85c \ub098\ub269\ub2c8\ub2e4. \ub450 \uc885\ub958 \ubaa8\ub450 \ub3d9\uc77c\ud55c \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 TiO2 \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc744 \ud615\uc131\ud558\uc9c0\ub9cc, \ubbf8\uc138 \uad6c\uc870, \uac00\uacf5 \ud6c4 \ud45c\uba74 \ud654\ud559 \ud2b9\uc131 \ubc0f \uaddc\uc81c \ub9e5\ub77d\uc740 \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\uc5d0 \uc788\uc5b4 \uc911\uc694\ud55c \ucc28\uc774\ub97c \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0c1\uc5c5\uc6a9 \uc21c\uc218 \ud2f0\ud0c0\ub284(cp-Ti, 1~4 \ub4f1\uae09)<\/strong> \uc740 \ubbf8\ub7c9\uc758 \ubd88\uc21c\ubb3c(\uc0b0\uc18c, \uc9c8\uc18c, \ucca0, \ud0c4\uc18c)\uc744 \ud3ec\ud568\ud55c \uc21c\uc218 \ud2f0\ud0c0\ub284(unalloyed titanium)\uc785\ub2c8\ub2e4. Grade 2\ub294 \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 cp-Ti \ub4f1\uae09\uc73c\ub85c, \ub0b4\uc2dd\uc131\uacfc \uc131\ud615\uc131\uc758 \uade0\ud615\uc774 \ub6f0\uc5b4\ub098 \ud654\ud559 \ucc98\ub9ac \uc124\ube44, \uc5f4\uad50\ud658\uae30 \ubc0f \ud574\uc218 \ub2f4\uc218\ud654 \ubd84\uc57c\uc5d0 \ud65c\uc6a9\ub429\ub2c8\ub2e4. Grade 4\ub294 cp-Ti \uc81c\ud488\uad70 \uc911 \uac00\uc7a5 \ub192\uc740 \uac15\ub3c4\ub97c \uc790\ub791\ud558\uba70 \uc77c\ubd80 \uc815\ud615\uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. ASTM B600 \uaddc\uaca9\uc5d0 \ub530\ub974\uba74, cp-Ti \ubd80\ud488\uc740 \uc720\ub9ac \ube44\ub4dc \ube14\ub77c\uc2a4\ud305(glass bead blasting)\uacfc \uad6c\uc5f0\uc0b0 \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac \ubaa8\ub450\uc5d0\uc11c \uc608\uce21 \uac00\ub2a5\ud55c \ubc18\uc751\uc744 \ubcf4\uc785\ub2c8\ub2e4. cp-Ti\uc758 \uc54c\ud30c\uc0c1 \ubbf8\uc138\uad6c\uc870\ub294 \uade0\uc77c\ud558\uc5ec \uc0b0 \ubd80\uc2dd\uc774 \uace0\ub974\uac8c \uc77c\uc5b4\ub098\ubbc0\ub85c, 2\uc0c1 \ud569\uae08\uc5d0 \ube44\ud574 \ud50c\ub798\uc2dc \uc5b4\ud0dd(flash attack) \uc704\ud5d8\uc774 \ub354 \ub0ae\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

Ti-6Al-4V(5\ub4f1\uae09)<\/strong> \uc740 \uc804\uccb4 \ud2f0\ud0c0\ub284 \uc0dd\uc0b0\ub7c9\uc758 \uc57d 50%\ub97c \ucc28\uc9c0\ud558\ub294 \uac00\uc7a5 \uc8fc\uc694\ud55c \uc0b0\uc5c5\uc6a9 \ud2f0\ud0c0\ub284 \ud569\uae08\uc785\ub2c8\ub2e4. \uc774 \ud569\uae08\uc758 \uc54c\ud30c-\ubca0\ud0c0 2\uc0c1 \ubbf8\uc138\uad6c\uc870(\uc54c\ub8e8\ubbf8\ub284\uc73c\ub85c \uc548\uc815\ud654\ub41c \uc54c\ud30c\uc0c1 + \ubc14\ub098\ub4d0\uc73c\ub85c \uc548\uc815\ud654\ub41c \ubca0\ud0c0\uc0c1)\ub294 \ub450 \uc0c1\uc774 \uc11c\ub85c \ub2e4\ub978 \uc804\uae30\ud654\ud559\uc801 \uc804\uc704\ub97c \uac00\uc9d0\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uacf5\uaca9\uc801\uc778 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \ubca0\ud0c0\uc0c1\uc740 \uc6b0\uc120\uc801\uc73c\ub85c \ubd80\uc2dd\ub420 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \ub54c\ub54c\ub85c \u2019\uc120\ud0dd\uc801 \uc0c1 \ubd80\uc2dd(selective phase attack)'\uc774\ub77c \ubd88\ub9ac\ub294 \ud604\uc0c1\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4. \uc774\ub294 \ud50c\ub798\uc2dc \ubd80\uc2dd(flash attack)\uacfc\ub294 \ub2e4\ub974\uc9c0\ub9cc, ASTM F86\uc758 \ubcf4\uc218\uc801\uc778 \ub9e4\uac1c\ubcc0\uc218\ub97c \uc900\uc218\ud558\ub294 \uac83\uc774 \uc5bc\ub9c8\ub098 \uc911\uc694\ud55c\uc9c0\ub97c \uc798 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc0c1\uc628(20~30\u00b0C)\uc5d0\uc11c 20~45% \ub18d\ub3c4\uc758 HNO3\ub97c \uc0ac\uc6a9\ud558\uba74 \uc774\ub7ec\ud55c \uc120\ud0dd\uc801 \ubd80\uc2dd\uc744 \uc720\ubc1c\ud558\ub294 \uad6c\ub3d9\ub825\uc744 \ub0ae\uac8c \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

Ti-6Al-4V ELI(23\ub4f1\uae09)<\/strong> \uc740 \uace0\uad00\uc808 \uc2a4\ud15c, \ubb34\ub98e \uad00\uc808 \ubd80\ud488, \ucc99\ucd94 \uace0\uc815 \ub85c\ub4dc \ub4f1 \ud558\uc911\uc744 \uacac\ub38c\uc57c \ud558\ub294 \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8\uc5d0 \uc9c0\uc815\ub41c \ucd08\uc800 \uaca9\uc790\uac04 \uc6d0\uc18c(Extra-Low Interstitial) \ubcc0\ud615 \uc18c\uc7ac\uc785\ub2c8\ub2e4. \u201cELI\u201d\ub294 Grade 5\uc5d0 \ube44\ud574 \uc0b0\uc18c, \uc9c8\uc18c \ubc0f \ucca0 \ud568\ub7c9\uc744 \uc904\uc600\uc74c\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. Grade 23 \uc784\ud50c\ub780\ud2b8\uc758 \ud45c\uba74 \ucc98\ub9ac \uc0ac\uc591\uc740 \uc608\uc678 \uc5c6\uc774 ASTM F86\uc744 \ub530\ub974\uba70, \uc218\uc2ed \ub144 \ub3d9\uc548 \ubf08 \ubc0f \uc870\uc9c1\uacfc \uc811\ucd09\ud574\uc57c \ud558\ubbc0\ub85c \uc0b0\uc5c5\uc6a9 \ubd80\ud488\ubcf4\ub2e4 \uc138\ucc99 \uc694\uac74\uc774 \ud6e8\uc52c \ub354 \uc5c4\uaca9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub4f1\uae09<\/th>\ud569\uae08<\/th>\uc77c\ubc18\uc801\uc778 \uc560\ud50c\ub9ac\ucf00\uc774\uc158<\/th>\ubd80\ub3d9\ud0dc\ud654 \ud45c\uc900<\/th><\/tr><\/thead>
1\ub4f1\uae09<\/td>\uc21c\uc218 \ud2f0\ud0c0\ub284 (cp-Ti)<\/td>\ud654\ud559 \uacf5\uc815, \ubcf4\uc11d\ub958<\/td>ASTM B600<\/td><\/tr>
2\ub4f1\uae09<\/td>\uc21c\uc218 \ud2f0\ud0c0\ub284 (cp-Ti)<\/td>\uc5f4\uad50\ud658\uae30, \ub2f4\uc218\ud654, \ubc30\uad00<\/td>ASTM B600<\/td><\/tr>
4\ud559\ub144<\/td>\uc21c\uc218 \ud2f0\ud0c0\ub284 (cp-Ti)<\/td>\uc815\ud615\uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8 \ubd80\ud488, \ud328\uc2a4\ub108(\uace0\uc815 \uc7a5\uce58)<\/td>ASTM B600 \/ ASTM F86<\/td><\/tr>
5\ub4f1\uae09(Ti-6Al-4V)<\/td>Ti-6Al-4V<\/td>\ud56d\uacf5\uc6b0\uc8fc, \uc0b0\uc5c5\uc6a9, \uc758\ub8cc \uae30\uae30<\/td>ASTM B600 \/ AMS 2487<\/td><\/tr>
23\ub4f1\uae09(Ti-6Al-4V ELI)<\/td>Ti-6Al-4V ELI<\/td>\ud558\uc911 \uc9c0\uc9c0\uc6a9 \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8<\/td>ASTM F86 (\ud544\uc218)<\/strong><\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc2e4\ubb34\uc801\uc778 \ucc38\uace0 \uc0ac\ud56d: \uac19\uc740 \uc791\uc5c5 \uacf5\uc815\uc5d0\uc11c Grade 5\uc640 Grade 23 \ubd80\ud488\uc744 \uac00\uacf5\ud560 \ub54c, \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac \uc0ac\uc591\uc774 \ub2e4\ub97c \uc218 \uc788\uc2b5\ub2c8\ub2e4. Grade 5 \ud56d\uacf5 \uc6b0\uc8fc\uc6a9 \ube0c\ub798\ud0b7\uacfc Grade 23 \ub300\ud1f4\uace8 \uc2a4\ud15c\uc740 \ubc18\ub4dc\uc2dc \ub3d9\uc77c\ud55c \uc218\uc870\ub97c \uacf5\uc720\ud558\uac70\ub098 \ub3d9\uc77c\ud55c \uc0ac\uc591\uc73c\ub85c \ucc98\ub9ac\ub420 \uc218 \uc788\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\ud328\uc2dc\ubca0\uc774\uc158<\/figure>\n\n\n\n

\ub2e8\uacc4\ubcc4 \uac00\uc774\ub4dc: \ud2f0\ud0c0\ub284 \ubd80\ud488 \ubd80\ub3d9\ud0dc\ud654 \ubc29\ubc95<\/h2>\n\n\n\n

\uaddc\uc815\uc744 \uc900\uc218\ud558\ub294 \ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654 \uacf5\uc815\uc740 \uc138\ucc99, \uc2a4\ucf00\uc77c \uc81c\uac70, \ubd80\ub3d9\ud0dc\ud654, \ud5f9\uad7c, \uac80\uc99d\uc758 5\ub2e8\uacc4 \uc21c\uc11c\ub97c \ub530\ub974\uba70, \uac01 \ub2e8\uacc4\ub9c8\ub2e4 \uc815\ud655\ud55c \ub9e4\uac1c\ubcc0\uc218\uac00 \uc801\uc6a9\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

\uc774 \uc808\ucc28\ub294 \uc0b0\uc5c5\uc6a9 \ubc0f \ube44\uc774\uc2dd\uc6a9 \uc758\ub8cc \uae30\uae30 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub300\ud55c ASTM B600 \uaddc\uaca9\uc744 \ubc18\uc601\ud569\ub2c8\ub2e4. \uc678\uacfc\uc6a9 \uc774\uc2dd\uc7ac\uc758 \uacbd\uc6b0, 3\ub2e8\uacc4\uc5d0\uc11c ASTM F86 \uc9c8\uc0b0 \uc218\uc870\ub85c \ub300\uccb4\ud558\uace0 \uc7a5\uce58 \ub9c8\uc2a4\ud130 \ub808\ucf54\ub4dc(DMR)\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \ucd94\uac00 \uc138\ucc99 \ub610\ub294 \ub9c8\ud0b9 \ub2e8\uacc4\ub97c \ucd94\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

1\ub2e8\uacc4 \u2014 \uc0ac\uc804 \uc138\ucc99 \ubc0f \ud0c8\uc9c0<\/strong><\/p>\n\n\n\n

\uc0b0 \uc138\ucc99 \uc804\uc5d0 \ubaa8\ub4e0 \uac00\uacf5\uc720, \ub0c9\uac01\uc81c \ubc0f \ub290\uc2a8\ud55c \uae08\uc18d \uc794\uc5ec\ubb3c\uc744 \uc81c\uac70\ud558\uc2ed\uc2dc\uc624. \uc54c\uce7c\ub9ac \uc138\uc81c \uc138\ucc99 \ub610\ub294 \uc628\ud654\ud55c \uc218\uc6a9\uc561\uc5d0\uc11c\uc758 \ucd08\uc74c\ud30c \uc138\ucc99\uc774 \ud2f0\ud0c0\ub284\uc5d0 \uc798 \uc791\uc6a9\ud569\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc5d0 \ud074\ub85c\ub9b0 \uc6a9\uc81c\ub97c \ud53c\ud558\uc2ed\uc2dc\uc624. \ud2f0\ud0c0\ub284\uc740 \ub300\ubd80\ubd84\uc758 \ud654\ud559\ubb3c\uc9c8\uc5d0 \uc800\ud56d\ub825\uc774 \uc788\uc9c0\ub9cc, \uace0\uc628\uc758 \uc5fc\uc18c\ub97c \ud3ec\ud568\ud55c \ud658\uacbd\uc740 \uc77c\ubd80 \ud569\uae08\uc5d0\uc11c \uc751\ub825 \ubd80\uc2dd \uade0\uc5f4\uc744 \ucd08\ub798\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud0c8\uc774\uc628\uc218\ub85c \ucda9\ubd84\ud788 \ud5f9\uad6c\uc2ed\uc2dc\uc624. \uc218\uc870 \ud14c\uc2a4\ud2b8(\uac80\uc99d \uc139\uc158 \ucc38\uc870)\ub294 \uc9c4\ud589\ud558\uae30 \uc804\uc5d0 \ud45c\uba74\uc774 \uae68\ub057\ud55c\uc9c0 \ud655\uc778\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2\ub2e8\uacc4 \u2014 \uc2a4\ucf00\uc77c \uc81c\uac70(\uc801\uc6a9 \uac00\ub2a5\ud55c \uacbd\uc6b0)<\/strong><\/p>\n\n\n\n

\uc5f4\ucc98\ub9ac, \uc5b4\ub2d0\ub9c1, \uc6a9\uc811\uc744 \uac70\ucce4\uac70\ub098 \uc131\ud615 \uacfc\uc815\uc5d0\uc11c \uac00\uc5f4\ub41c \ubd80\ud488\uc5d0\ub294 \uc0b0\ud654 \uc2a4\ucf00\uc77c\uc774 \ud615\uc131\ub429\ub2c8\ub2e4. \ubb34\ucca0(iron-free) \uc5f0\ub9c8\uc7ac\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc720\ub9ac \ube44\ub4dc \ube14\ub77c\uc2a4\ud305\uc744 \uc218\ud589\ud574\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc2a4\ud2f8 \uc0f7\uc774\ub098 \ud0c4\uc18c\uac15 \ube14\ub77c\uc2a4\ud305 \uc5f0\ub9c8\uc7ac\ub97c \uc0ac\uc6a9\ud558\uba74 \ud2f0\ud0c0\ub284 \ud45c\uba74\uc5d0 \ucca0\uc774 \uce68\ud22c\ud558\uac8c \ub418\uc5b4 \ud6c4\uc18d \ud328\uc2dc\ubca0\uc774\uc158\uc758 \ubaa9\uc801\uc744 \ubb34\ud6a8\ud654\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc774\uc720\ub85c ASTM B600 \ud45c\uc900\uc5d0\uc11c\ub294 \ubb34\ucca0 \uc720\ub9ac \ube44\ub4dc \ub9e4\uccb4\ub97c \uaddc\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc5f4\ucc98\ub9ac\ub97c \uac70\uce58\uc9c0 \uc54a\uace0 CNC \uac00\uacf5\uc5d0\uc11c \ubc14\ub85c \ub098\uc628 \ubd80\ud488\uc758 \uacbd\uc6b0, \uae30\uacc4\uc801 \uc2a4\ucf00\uc77c \uc81c\uac70 \uacf5\uc815\uc744 \uc0dd\ub7b5\ud558\uace0 \uc0b0\uc695\uc73c\ub85c \ubc14\ub85c \uc9c4\ud589\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

3\ub2e8\uacc4 \u2014 \uc0b0 \ud328\uc2dc\ubca0\uc774\uc158 \uc695<\/strong><\/p>\n\n\n\n

\uad6c\uc5f0\uc0b0(ASTM A967 \ubc29\ubc95 \uae30\uc900, ASTM B600\uc5d0\uc11c \uc0c1\ud638 \ucc38\uc870 \u2014 \ube44\uc774\uc2dd\uc6a9 \uc751\uc6a9 \ubd84\uc57c):<\/em><\/p>\n\n\n\n

    \n
  • \uc6a9\uc561: \ud0c8\uc774\uc628\uc218\uc5d0 4\u201310 w%\uc758 \uad6c\uc5f0\uc0b0\uc744 \uc6a9\ud574\uc2dc\ud0a8 \uac83<\/li>\n\n\n\n
  • \uc628\ub3c4: \ub300\ubd80\ubd84\uc758 \ubd80\ud488\uc758 \uacbd\uc6b0 \uc2e4\uc628\uc73c\ub85c \ucda9\ubd84\ud558\uba70, \uc628\ub3c4\ub97c \ub192\uc774\uba74(\ucd5c\ub300 70\u00b0C) \uce68\uc9c0 \uc2dc\uac04\uc744 \ub2e8\ucd95\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • \uce68\uc9c0 \uc2dc\uac04: \uace0\uc628\uc5d0\uc11c\ub294 \ucd5c\uc18c 4\ubd84, \uc2e4\uc628\uc5d0\uc11c\ub294 \ucd5c\uc18c 20\ubd84<\/li>\n\n\n\n
  • \uc790\uadf9\uc740 \uc120\ud0dd \uc0ac\ud56d\uc774\uc9c0\ub9cc \ubcf5\uc7a1\ud55c \uae30\ud558\ud559 \uad6c\uc870\uc5d0\uc11c \uade0\uc77c\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

    \uc9c8\uc0b0 (ASTM F86, \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8 \u2014 \uc77c\ubc18 \uc870\uac74):<\/em><\/p>\n\n\n\n

      \n
    • \uc6a9\uc561: 20\u201345% v\/v \uc9c8\uc0b0 (HNO3)\uacfc \ud0c8\uc774\uc628\uc218 \ud63c\ud569.<\/li>\n\n\n\n
    • \uc628\ub3c4: 20\u201330\u00b0C \u2014 \uc774 \uc695\uc870\ub97c F86 \uc77c\ubc18 \ubc94\uc704\ub97c \ucd08\uacfc\ud558\uc5ec \uac00\uc5f4\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624.<\/strong><\/li>\n\n\n\n
    • \uce68\uc218 \uc2dc\uac04: \ucd5c\uc18c 30\ubd84.<\/li>\n\n\n\n
    • \ud658\uae30\uac00 \ud544\uc694\ud569\ub2c8\ub2e4: \uc2e4\uc628\uc5d0\uc11c \uc9c8\uc0b0\ub3c4 NOx \uc5f0\uae30\ub97c \uc0dd\uc131\ud558\ubbc0\ub85c \ubc30\uae30 \ud6c4\ub4dc \ub610\ub294 \ubc00\ud3d0\ub41c \uc0b0\uc5d0 \uc800\ud56d\uc131 \uce90\ube44\ub2db\uc5d0\uc11c \uc791\uc5c5\ud574\uc57c \ud569\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uac00\uc18d \uc870\uac74 \uac00\ub2a5: 50\u201360\u00b0C\uc5d0\uc11c 20\u201325% v\/v HNO3 (\uc9e7\uc740 \uccb4\ub958 \uc2dc\uac04), F86\uc5d0 \ub530\ub77c.<\/li>\n<\/ul>\n\n\n\n

      \ubc30\uce58 \ub18d\ub3c4\ub97c \uc8fc\uae30\uc801\uc73c\ub85c \ubaa8\ub2c8\ud130\ub9c1\ud558\uc2ed\uc2dc\uc624 \u2014 \ud328\uc2dc\ubca0\uc774\uc158\uc774 \ubd80\ud488\uc5d0\uc11c \ucca0\uc744 \uc81c\uac70\ud568\uc5d0 \ub530\ub77c \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc6a9\uc561\uc5d0 \uc6a9\ud574\ub41c \uae08\uc18d\uc774 \ucd95\uc801\ub429\ub2c8\ub2e4. \ubc30\uce58\ub2f9 \ucc98\ub9ac\ub41c \ubd80\ud488 \uc218\ub97c \uae30\uc900\uc73c\ub85c \uc695\uc870 \uc218\uba85 \ud504\ub85c\ud1a0\ucf5c\uc744 \uc124\uc815\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

      \ub2e8\uacc4 4 \u2014 \ud5f9\uad6c\uae30.<\/strong><\/p>\n\n\n\n

      \uc0b0\uc695\uc5d0\uc11c \ubd80\ud488\uc744 \uc81c\uac70\ud55c \uc9c1\ud6c4 \uc989\uc2dc \ud5f9\uad6c\uc2ed\uc2dc\uc624. 2\uc911 \ud5f9\uad7c: \uccab \ubc88\uc9f8\ub294 \ud750\ub974\ub294 \ubb3c\ub85c \ubd80\uc2dd\uc0b0\uc744 \uc81c\uac70\ud55c \ud6c4, \ub450 \ubc88\uc9f8\ub294 \ubbf8\ub124\ub784 \uce68\ucc29\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 \ud0c8\uc774\uc628\uc218\ub85c \ud5f9\uad7d\ub2c8\ub2e4. \uc758\ub8cc\uae30\uae30 \ubd80\ud488\uc758 \uacbd\uc6b0, \uace0\uc21c\ub3c4 \ud0c8\uc774\uc628\uc218(\uc800\ud56d \u2265 1 M\u03a9\u00b7cm)\ub85c \ucd5c\uc885 \ud5f9\uad7c\uc744 \ud558\ub294 \uac83\uc774 \uc77c\ubc18\uc801\uc778 \uad00\ud589\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      5\ub2e8\uacc4 \u2014 \uac74\uc870 \ubc0f \uac80\uc0ac<\/strong><\/p>\n\n\n\n

      \ud544\ud130\ub9c1\ub41c \uc555\ucd95 \uacf5\uae30\ub098 \uae68\ub057\ud55c \uc624\ube10(150\u00b0C \uc774\ud558, \uc5f4 \uc0b0\ud654\ub97c \ubc29\uc9c0\ud558\uae30 \uc704\ud574)\uc5d0\uc11c \uac74\uc870\ud558\uc2ed\uc2dc\uc624. \uc0ac\uc774\uc988\ub97c \ud655\ub300\ud558\uc5ec \uc5bc\ub8e9, \uc5d0\uce6d \uc790\uad6d \ub610\ub294 \ubcc0\uc0c9\uc774 \uc788\ub294\uc9c0 \uac80\uc0ac\ud558\uc2ed\uc2dc\uc624. \uc774\ub294 \ud50c\ub798\uc2dc \uacf5\uaca9\uc774\ub098 \ubd88\ucda9\ubd84\ud55c \ud5f9\uad7c\uc744 \ub098\ud0c0\ub0bc \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc790\uc5f0\uc801\uc778 \ud2f0\ud0c0\ub284 \ud45c\uba74\uc758 \uc57d\uac04 \ubc1d\uc544\uc9d0 \uc678\uc758 \ubcc0\uc0c9 \uc788\ub294 \ubd80\ud488\uc740 \uadfc\ubcf8 \uc6d0\uc778 \ubd84\uc11d\uc744 \uc704\ud574 \uaca9\ub9ac\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      \"\uc804\ucc98\ub9ac,<\/figure>\n\n\n\n

      \ud328\uc2dc\ubca0\uc774\uc158\uacfc \uc544\ub178\ub2e4\uc774\uc9d5 \u2014 \uac01\uac01\uc744 \uc0ac\uc6a9\ud560 \ub54c<\/h2>\n\n\n\n

      \ud328\uc2dc\ubca0\uc774\uc158\uc740 \uc6d0\ub798\uc758 \uc0b0\ud654\ub9c9\uc744 \ubcf5\uc6d0\ud558\uace0, \uc544\ub178\ub2e4\uc774\uc9d5\uc740 \ub450\uaebc\uc6b4 \uc0b0\ud654\ub9c9\uc744 \uc0c8\ub85c \ud615\uc131\ud558\uc5ec \ub450\uaed8, \uc0c9\uc0c1 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc744 \uc870\uc808\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4 \u2014 \ub2e4\uc591\ud55c \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub9de\ub294 \uc11c\ub85c \ub2e4\ub978 \ub3c4\uad6c\ub4e4\uc785\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

      \ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158\uacfc \uc804\uae30\ud654\ud559\uc801 \uc544\ub178\ub2e4\uc774\uc9d5\uc740 \ubaa8\ub450 \ub113\uc740 \uc758\ubbf8\uc5d0\uc11c \u201c\ud328\uc2dc\ubca0\uc774\uc158\u201d\uc785\ub2c8\ub2e4(\ub458 \ub2e4 \ubcf4\ud638 \uc0b0\ud654\ub9c9\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4), \ud558\uc9c0\ub9cc \uadfc\ubcf8\uc801\uc73c\ub85c\ub294 \ub2e4\ub978 \uacb0\uacfc\ub97c \uac00\uc838\uc624\ub294 \uc11c\ub85c \ub2e4\ub978 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158\uc740 \uc138\ucc99 \ubc0f \ubcf5\uc6d0 \uacfc\uc815\uc785\ub2c8\ub2e4. 2\u20136nm\uc758 \uc790\uc5f0 \uc0b0\ud654\ub9c9\uc774 \uc720\uc9c0\ub418\uba70, \ud328\uc2dc\ubca0\uc774\uc158\uc740 \uade0\uc77c\ud558\uac8c \ud615\uc131\ub418\ub294 \uac83\uc744 \ubc29\ud574\ud558\ub294 \uc624\uc5fc \ubb3c\uc9c8\uc744 \uc81c\uac70\ud569\ub2c8\ub2e4. \ud45c\uba74\uc740 \ucc98\ub9ac\ub418\uc9c0 \uc54a\uc740 \ud2f0\ud0c0\ub284\uacfc \ub3d9\uc77c\ud558\uac8c \ubcf4\uc774\uba70 \u2014 \uc0c9\uc0c1 \ubcc0\ud654\ub098 \uce58\uc218 \ubcc0\ud654\uac00 \uc5c6\uc2b5\ub2c8\ub2e4. \uc774\ub294 \ucf54\ud305\uc774 \uc544\ub2c8\ub77c \ud45c\uba74 \uc900\ube44\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc544\ub178\ub2e4\uc774\uc9d5(anodizing)\uc740 \ud2f0\ud0c0\ub284 \ubd80\ud488\uc774 \uc804\ud574\uc9c8 \uc695\uc870\uc5d0\uc11c \uc591\uadf9(anode)\uc73c\ub85c \uc5f0\uacb0\ub418\uace0 DC \uc804\uc555\uc774 \uc801\uc6a9\ub418\ub294 \uc804\uae30\ud654\ud559\uc801 \uacfc\uc815\uc785\ub2c8\ub2e4. \uc804\ud574\uc9c8\uc5d0\uc11c \uc0b0\uc18c \uc774\uc628\uc774 \ud2f0\ud0c0\ub284 \ud45c\uba74\uc73c\ub85c \uc8fc\uc785\ub418\uc5b4 \uae08\uc18d \uc790\uccb4\uc5d0\uc11c TiO2\uac00 \uc131\uc7a5\ud558\uac8c \ub429\ub2c8\ub2e4 \u2014 not<\/strong> \uc678\ubd80 \ud544\ub984\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \ud544\ub984 \ub450\uaed8\ub294 \uc801\uc6a9\ub41c \uc804\uc555\uc5d0 \ub530\ub77c \uc9c1\uc811 \uc81c\uc5b4\ub418\uba70, \uc57d 2nm\uc758 \ub450\uaed8\uac00 1V\ub2f9 \ud615\uc131\ub429\ub2c8\ub2e4. \uc587\uc740 \ud544\ub984\uc758 \uad11\ud559\uc801 \uac04\uc12d\uc740 \uc0b0\ud654\ubb3c \ub450\uaed8\uc5d0 \uc758\uc874\ud558\ubbc0\ub85c \uc544\ub178\ub2e4\uc774\uc988\ub41c \ud45c\uba74\uc740 \uc5fc\ub8cc \uc5c6\uc774 \uc0c9\uc0c1\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4: \uc0b0\ud654\ubb3c \ub450\uaed8\uac00 \uc5b4\ub5a4 \ud30c\uc7a5\uc758 \ube5b\uc774 \uac15\ud654\ub418\uac70\ub098 \uc0c1\uc1c4\ub418\ub294\uc9c0\ub97c \uacb0\uc815\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc804\uc555\uc5d0 \ub530\ub978 \ub300\ud45c\uc801\uc778 \uc0c9\uc0c1 (\uac12\uc740 \uc804\ud574\uc9c8\uc5d0 \uc758\uc874\ud558\uba70 \uacf5\uc815 \uc870\uac74\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4 \u2014 \uc774\ub4e4\uc740 \ub300\ub7b5\uc801\uc778 \ubc94\uc704\uc774\uba70 \uace0\uc815 \uac12\uc774 \uc544\ub2d9\ub2c8\ub2e4):<\/p>\n\n\n\n

        \n
      • 10\u201315 V: \uccad\ub3d9\uc0c9 \/ \uac08\uc0c9<\/li>\n\n\n\n
      • 20\u201325 V: \ubcf4\ub77c\uc0c9 \/ \uc790\uc8fc\uc0c9<\/li>\n\n\n\n
      • 30\u201335 V: \ud30c\ub780\uc0c9<\/li>\n\n\n\n
      • 40\u201350 V: \uccad\ub85d\uc0c9 \/ \ud558\ub298\uc0c9<\/li>\n\n\n\n
      • 70\u201390 V: \ub179\uc0c9\uc5d0\uc11c \ub178\ub780\uc0c9 (\ub450 \ubc88\uc9f8 \uc0ac\uc774\ud074 \uac04\uc12d)<\/li>\n<\/ul>\n\n\n\n
        \uae30\uc900<\/th>\ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158<\/th>\uc544\ub178\ub2e4\uc774\uc9d5<\/th><\/tr><\/thead>
        \uc0b0\ud654\ubb3c \ub450\uaed8<\/strong><\/td>2\u20136 nm (\uc790\uc5f0 \uc0c1\ud0dc)<\/td>\uc218\ubc31 \ub098\ub178\ubbf8\ud130\uae4c\uc9c0 (\uc7a5\uc2dd\uc6a9); \ub9c8\uc774\ud06c\ub85c\ubbf8\ud130 \ubc94\uc704 (\uacbd\uc9c8 \ucf54\ud305)<\/td><\/tr>
        \uc0c9\uc0c1<\/strong><\/td>\uc5c6\uc74c \u2014 \uc790\uc5f0 \ud2f0\ud0c0\ub284<\/td>\uc5fc\ub8cc \uc5c6\uc774 \uc804\uc555 \uc81c\uc5b4 \uc0c9\uc0c1<\/td><\/tr>
        \uce58\uc218 \ubcc0\ud654<\/strong><\/td>\uce21\uc815\ud560 \uc218 \uc5c6\ub294 \uc5c6\uc74c<\/td>\ucd5c\uc18c (<1 \u00b5m \uc7a5\uc2dd\uc6a9; \ucd5c\ub300 10 \u00b5m \uacbd\uc9c8 \ucf54\ud305)<\/td><\/tr>
        \ub0b4\ub9c8\ubaa8\uc131<\/strong><\/td>\uac1c\uc120\ub418\uc9c0 \uc54a\uc74c<\/td>\uac1c\uc120\ub428 (AMS 2488 \ud0c0\uc785 II \uacbd\uc9c8 \ucf54\ud305)<\/td><\/tr>
        \uad00\ub9ac \uae30\uc900 (\ud56d\uacf5\uc6b0\uc8fc)<\/strong><\/td>ASTM B600 \/ F86<\/td>AMS 2487 (\uc804\uae30 \uc808\uc5f0) \/ AMS 2488 (\uac08\ub9bc \ubc29\uc9c0 \/ \uacbd\uc9c8 \ucf54\ud305)<\/td><\/tr>
        \uacf5\uc815 \uc720\ud615<\/strong><\/td>\ud654\ud559\uc801 (\uc804\ub958 \ud544\uc694 \uc5c6\uc74c)<\/td>\uc804\uae30\ud654\ud559\uc801 (DC \uc804\uc6d0 \uacf5\uae09 \ud544\uc694)<\/td><\/tr>
        \uc804\ud615\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840<\/strong><\/td>\uc784\ud50c\ub780\ud2b8, \uae30\uacc4 \uac00\uacf5 \ubd80\ud488, \ud654\ud559 \uc7a5\ube44<\/td>\ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ud328\uc2a4\ub108 (AMS 2488 Type II), \uace0\uc628 \uc131\ud615 (AMS 2488 Type I), \uc0c9\uc0c1 \uad6c\ubd84\uc774 \ud544\uc694\ud55c \uc218\uc220\uc6a9 \uae30\uad6c<\/td><\/tr>
        \ube44\uc6a9<\/strong><\/td>Lower<\/td>\ub354 \ub192\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

        \ucc9c\uc5f0 TiO2 \ud53c\ub9c9\uc774 \ubd80\ud488\uc744 \ubcf4\ud638\ud560 \uc218 \uc788\ub3c4\ub85d \uc624\uc5fc \ubb3c\uc9c8\uc744 \uc81c\uac70\ud558\uc5ec \uae68\ub057\ud558\uace0 \uaddc\uaca9\uc5d0 \ub9de\ub294 \ud45c\uba74\uc744 \ub9cc\ub4dc\ub294 \uac83\uc774 \ubaa9\uc801\uc77c \ub54c\ub294 \ubd80\ub3d9\ud0dc\ud654(Passivation)\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \uc2dd\ubcc4\uc6a9 \uc0c9\uc0c1, \ub0b4\ub9c8\ubaa8\uc131 \uac15\ud654 \ub610\ub294 \ud6e8\uc52c \ub354 \ub450\uaebc\uc6b4 \ubcf4\ud638\uce35\uc774 \ud544\uc694\ud560 \ub54c\ub294 \uc544\ub178\ub2e4\uc774\uc9d5(Anodizing)\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

        \"\uc804\uc555<\/figure>\n\n\n\n

        \ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654 \uc131\uacf5 \uc5ec\ubd80 \ud655\uc778<\/h2>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc758 \uac80\uc99d \ubc29\uc2dd\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uacfc \ub2e4\ub985\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc5d0\ub294 \uc790\uccb4 \ucca0 \uc131\ubd84\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\ubbc0\ub85c \ud669\uc0b0\uad6c\ub9ac \ud14c\uc2a4\ud2b8\ub294 \ud6a8\uc6a9\uc131\uc774 \uc81c\ud55c\uc801\uc774\uba70, ASTM B600 \ub610\ub294 F86 \uaddc\uaca9\uc5d0\uc11c\ub3c4 \uc774 \ud14c\uc2a4\ud2b8\ub97c \uc694\uad6c\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

        \ud669\uc0b0\uad6c\ub9ac \ud14c\uc2a4\ud2b8\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc758 \ud45c\uc900\uc801\uc778 \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac \ud6c4 \ud655\uc778 \uc808\ucc28\uc785\ub2c8\ub2e4. \ud669\uc0b0\uad6c\ub9ac \uc6a9\uc561\uc744 \ub3c4\ud3ec\ud55c \ud6c4 \ubd89\uc740\uc0c9 \uce68\uc804\ubb3c\uc774 \ub098\ud0c0\ub098\uba74 \ud45c\uba74\uc5d0 \uc720\ub9ac \ucca0(free iron)\uc774 \uc874\uc7ac\ud55c\ub2e4\ub294 \uc758\ubbf8\uc774\uba70, \uc774\ub294 \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\uac00 \uc2e4\ud328\ud588\uc74c\uc744 \ub098\ud0c0\ub0b4\ub294 \uc2e0\ud638\uc785\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ud2f0\ud0c0\ub284\uc758 \uacbd\uc6b0 \uc774 \ud14c\uc2a4\ud2b8\uc758 \uac00\uce58\ub294 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \ucca0\uc774 \uae30\uc9c8 \uc6d0\uc18c\uc778 \uac15\ucca0 \ud569\uae08\uacfc \ub2ec\ub9ac, \ud2f0\ud0c0\ub284\uc758 \uae30\ubcf8 \ud569\uae08\uc5d0\ub294 \uac80\ucd9c\ub420 \ucca0\uc774 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uac00\uacf5 \uacfc\uc815\uc5d0\uc11c \uc720\uc785\ub41c \ucca0 \uc624\uc5fc\uc744 \uc2dd\ubcc4\ud558\ub294 \uc6a9\ub3c4\ub85c\ub294 \uc5ec\uc804\ud788 \ud65c\uc6a9\ub420 \uc218 \uc788\uc73c\ub098, ASTM B600 \ub610\ub294 F86\uc5d0\uc11c \uc694\uad6c\ud558\ub294 \ud2f0\ud0c0\ub284 \uac80\uc99d \ubc29\ubc95\uc73c\ub85c \uba85\uc2dc\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc73c\uba70, \ub300\ubd80\ubd84\uc758 \ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654 \uaddc\uaca9\uc5d0\uc11c\ub3c4 \uc774\ub97c \uc644\uc804\ud788 \ubc30\uc81c\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc5d0 \ud669\uc0b0\uad6c\ub9ac \ud14c\uc2a4\ud2b8\ub97c \uc2e4\uc2dc\ud558\uace0 \uadf8 \uae68\ub057\ud55c \uacb0\uacfc\ub97c \ubd80\ub3d9\ud0dc\ud654 \uac80\uc99d\uc73c\ub85c \uac04\uc8fc\ud558\ub294 \uac83\uc740 \uc798\ubabb\ub41c \uc2e0\ub8b0\ub97c \uc720\ubc1c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uae68\ub057\ud55c \uacb0\uacfc\ub294 \ub2e8\uc9c0 \ucca0 \uc624\uc5fc\uc774 \uac10\uc9c0\ub418\uc9c0 \uc54a\uc558\uc74c\uc744 \uc758\ubbf8\ud560 \ubfd0, \uc774\uc0b0\ud654\ud2f0\ud0c0\ub284(TiO2) \ud53c\ub9c9\uc774 \uc81c\ub300\ub85c \ubcf5\uad6c\ub418\uc5c8\ub2e4\ub294 \uac83\uc744 \ub73b\ud558\uc9c0\ub294 \uc54a\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc5d0 \ud6a8\uacfc\uc801\uc778 \uac80\uc99d \ubc29\ubc95\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n\n\n\n

        \uc6cc\ud130 \ube0c\ub808\uc774\ud06c \ud14c\uc2a4\ud2b8 (\uc218\ub3d9\ud0dc\ud654 \uc804 \uccad\uc815\ub3c4 \ud655\uc778)<\/strong>
        \uc0b0\uc138\ucc99(Acid bath) \uc804, \ud0c8\uc774\uc628\uc218\ub85c \ud5f9\uad88 \ud45c\uba74 \uccad\uc815\ub3c4\ub97c \ud655\uc778\ud569\ub2c8\ub2e4. \uae68\ub057\ud55c \ud45c\uba74\uc5d0\ub294 \ubb3c\uc774 \ub04a\uae40 \uc5c6\uc774 \uade0\uc77c\ud55c \ub9c9\uc744 \ud615\uc131\ud558\uba70 \ud750\ub985\ub2c8\ub2e4(\uc218\ub9c9 \ud615\uc131). \ud45c\uba74\uc774 \uc624\uc5fc\ub41c \uacbd\uc6b0\uc5d0\ub294 \ubb3c\uc774 \uad6c\uc2ac\ucc98\ub7fc \ub9fa\ud788\uac70\ub098 \ubc29\uc6b8\ub85c \uac08\ub77c\uc9c0\ub294 \u201c\uc6cc\ud130 \ube0c\ub808\uc774\ud06c\u201d \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc6cc\ud130 \ube0c\ub808\uc774\ud06c \ud14c\uc2a4\ud2b8\ub294 \ud569\uaca9\/\ubd88\ud569\uaca9 \uc5ec\ubd80\ub97c \ud310\ub2e8\ud558\ub294 \uc0ac\uc804 \uc810\uac80\uc73c\ub85c, \uc218\ub3d9\ud0dc\ud654 \uacf5\uc815 \uc2dc\uc791 \uc804 \uc138\ucc99 \ub2e8\uacc4\uac00 \uc81c\ub300\ub85c \uc774\ub8e8\uc5b4\uc84c\ub294\uc9c0 \ud655\uc778\ud558\ub294 \uc808\ucc28\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud655\ub300\uacbd\uc744 \uc774\uc6a9\ud55c \uc721\uc548 \uac80\uc0ac<\/strong>
        \uc218\ub3d9\ud0dc\ud654 \ubc0f \uac74\uc870 \ud6c4 10~40\ubc30\uc728 \ud655\ub300\uacbd\uc73c\ub85c \uac80\uc0ac\ud569\ub2c8\ub2e4. \ud45c\uba74\uc740 \ud2f0\ud0c0\ub284 \uace0\uc720\uc758 \ubb34\uad11 \ub610\ub294 \ubc18\ubb34\uad11 \ub9c8\uac10\uacfc \ud568\uaed8 \uade0\uc77c\ud558\uac8c \ubc1d\uc740 \uc0c1\ud0dc\uc5ec\uc57c \ud569\ub2c8\ub2e4. \ud50c\ub798\uc2dc \uc5b4\ud0dd(Flash attack)\uc774 \ubc1c\uc0dd\ud558\uba74 \ubd88\uaddc\uce59\ud55c \ud53c\ud305(Pitting), \ubb34\uad11 \uc5d0\uce6d \ub610\ub294 \ud45c\uba74 \uac70\uce60\uc5b4\uc9d0 \ud604\uc0c1\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc794\ub958 \uc2a4\ucf00\uc77c\uc740 \uad11\ud0dd\uc774 \uc5c6\uace0 \ubd88\uade0\uc77c\ud55c \uc5bc\ub8e9 \ud615\ud0dc\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc774 \uc788\ub294 \ubd80\ud488\uc740 \ubd88\ud569\uaca9 \ucc98\ub9ac\ud558\uace0 \uacf5\uc815 \ud30c\ub77c\ubbf8\ud130\ub97c \uc7ac\uac80\ud1a0\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \uc5fc\uc218 \ubd84\ubb34 \uc2dc\ud5d8 (ASTM B117)<\/strong>
        \uc81c\uc5b4\ub41c \ucc54\ubc84(5% NaCl, 35\u00b0C) \ub0b4\uc5d0\uc11c\uc758 \uc5fc\uc218 \ubd84\ubb34 \ub178\ucd9c\uc740 \uac00\uc18d \ubd80\uc2dd \uc800\ud56d\uc131\uc744 \ud655\uc778\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc801\uc808\ud788 \ubd80\ub3d9\ud0dc\ud654\ub41c \ud2f0\ud0c0\ub284\uc740 \uc6a9\ub3c4\ubcc4 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c 72~168\uc2dc\uac04 \ud6c4\uc5d0\ub3c4 \uacf5\uc2dd(pitting)\uc774\ub098 \ubd80\uc2dd \uc0dd\uc131\ubb3c\uc774 \ub098\ud0c0\ub098\uc9c0 \uc54a\uc544\uc57c \ud569\ub2c8\ub2e4. \uc774\ub294 \uac1c\ubcc4 \ubd80\ud488\uc5d0 \ub300\ud55c \uac80\uc0ac \ubc29\ubc95\uc774 \uc544\ub2c8\ub77c, \ud30c\uad34 \uc2dc\ud5d8\uc744 \ud1b5\ud55c \ub85c\ud2b8 \ud569\uaca9 \ud310\uc815 \uc2dc\ud5d8\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

        XPS (X\uc120 \uad11\uc804\uc790 \ubd84\uad11\ubc95)<\/strong>
        \uc0dd\uc0b0 \ud604\uc7a5\ubcf4\ub2e4\ub294 \uc5f0\uad6c \ubc0f \uc758\ub8cc \uae30\uae30 \uac80\uc99d \ub2e8\uacc4\uc5d0\uc11c \uc8fc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. XPS\ub294 \ubd80\ub3d9\ud0dc \ub9c9\uc758 \uad6c\uc131 \uc131\ubd84, \ub450\uaed8, \uadf8\ub9ac\uace0 \ub2e4\ub978 \ud2f0\ud0c0\ub284 \uc0b0\ud654\ubb3c \uc0c1(TiO, Ti2O3) \ub300\ube44 TiO2\uc758 \ube44\uc728\uc744 \ubd84\uc11d\ud569\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 \uc0b0\ud654\ubb3c\uc774 \ubcf4\ud638 \uc131\ub2a5\uc774 \ub5a8\uc5b4\uc9c0\ub294 \ud558\uc704 \uc0b0\ud654\ubb3c\uc774 \uc544\ub2cc TiO2 \uc0c1\uc784\uc744 \ud655\uc778\ud569\ub2c8\ub2e4. XPS\ub294 \uc804\ubb38 \uc7a5\ube44\uac00 \ud544\uc694\ud55c \ud2b9\uc218 \ubd84\uc11d\ubc95\uc73c\ub85c, \ubaa8\ub4e0 \ub85c\ud2b8\ub97c \uac80\uc0ac\ud558\ub294 \uc6a9\ub3c4\uac00 \uc544\ub2c8\ub77c \uacf5\uc815 \uc801\uaca9\uc131 \ud3c9\uac00 \uc911 \ubd80\ub3d9\ud0dc\ud654 \uacf5\uc815\uc744 \uac80\uc99d\ud558\uae30 \uc704\ud574 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

        \"ASTM<\/figure>\n\n\n\n

        \uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc744 \ud328\uc2dc\ubca0\uc774\ud2b8\ud560 \uc218 \uc788\ub098\uc694?<\/strong><\/p>\n\n\n\n

        \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc740 \ud654\ud559\uc801 \ubc29\ubc95\uacfc \uc804\uae30\ud654\ud559\uc801 \ubc29\ubc95 \ubaa8\ub450\ub97c \ud1b5\ud574 \ud328\uc2dc\ubca0\uc774\uc158 \ucc98\ub9ac\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc9c8\uc0b0(ASTM F86 \uae30\uc900) \ub610\ub294 \uad6c\uc5f0\uc0b0(ASTM B600 \uae30\uc900)\uc744 \uc774\uc6a9\ud55c \ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158\uc740 \ud45c\uba74 \uc624\uc5fc \ubb3c\uc9c8\uc744 \uc81c\uac70\ud558\uace0 \uc790\uc5f0\uc801\uc73c\ub85c \ud615\uc131\ub41c TiO\u2082 \ub9c9\uc744 \ubcf5\uc6d0\ud569\ub2c8\ub2e4. \uc804\uae30\ud654\ud559\uc801 \ud328\uc2dc\ubca0\uc774\uc158(\uc591\uadf9 \uc0b0\ud654 \ucc98\ub9ac)\uc740 \ud6e8\uc52c \ub354 \ub450\uaebc\uc6b4 \uc0b0\ud654\ub9c9\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc740 \uc790\uccb4 \ud328\uc2dc\ubca0\uc774\uc158 \uc131\uc9c8\uc744 \uac00\uc9c0\uace0 \uc788\uc5b4 \uae30\ubcf8 \uc0b0\ud654\ub9c9\uc774 \ud56d\uc0c1 \uc874\uc7ac\ud558\uba70, \ud328\uc2dc\ubca0\uc774\uc158\uc740 \uc774 \uc0b0\ud654\ub9c9\uc774 \uade0\uc77c\ud558\uac8c \ud615\uc131\ub418\ub294 \uac83\uc744 \ubc29\ud574\ud558\ub294 \uc624\uc5fc \ubb3c\uc9c8\uc744 \uc81c\uac70\ud558\ub294 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc5d0 \ub300\ud55c ASTM A380\uacfc ASTM F86\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><\/p>\n\n\n\n

        ASTM A380\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ud45c\uc900\uc785\ub2c8\ub2e4. \uadf8 \uacf5\uc2dd \ubc94\uc704\ub294 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ubd80\ud488(200, 300, 400 \uc2dc\ub9ac\uc988)\uc758 \uc138\ucc99, \ud0c8\uc0b0\ud654 \ubc0f \ud328\uc2dc\ubca0\uc774\uc158\uc785\ub2c8\ub2e4. \ub9c8\uac10 \uc791\uc5c5\uc7a5\uc5d0\uc11c A380\uc758 \uc9c8\uc0b0 \ucc98\ub9ac \ubc29\ubc95\uc774 \ud0c0\uc774\ud0c0\ub284\uc5d0 \uc801\uc6a9\ud558\ub294 \ubc29\uc2dd\uacfc \ube44\uc2b7\ud558\ub2e4\uace0 \uc778\uc6a9\ud558\uc9c0\ub9cc, A380\uc740 \ud0c0\uc774\ud0c0\ub284 \uc804\uc6a9 \uc808\ucc28, \ud0c0\uc774\ud0c0\ub284\uc758 \uc0b0\ud654\ubb3c \uc2a4\ucf00\uc77c\uc5d0 \ub300\ud55c \ud0c8\uc0b0\ud654 \uc9c0\uce68, \ub610\ub294 \ud569\uae08\ubcc4 \uacf5\uc815 \ub178\ud2b8\ub97c \ud3ec\ud568\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ud0c0\uc774\ud0c0\ub284\uc5d0 \ub300\ud55c \uc62c\ubc14\ub978 \uc758\ub8cc \ud45c\uc900\uc740 ASTM F86\uc785\ub2c8\ub2e4. \uc774\ub294 \uae08\uc18d \uc678\uacfc \uc784\ud50c\ub780\ud2b8\uc758 \ud45c\uba74 \uc900\ube44\ub97c \uaddc\uc815\ud558\uace0, \ub450 \uac00\uc9c0 \uc870\uac74\uc5d0\uc11c \uc9c8\uc0b0 \ud328\uc2dc\ubca0\uc774\uc158\uc744 \uba85\uc2dc\ud569\ub2c8\ub2e4: \uc77c\ubc18(20\u201345% HNO3, 20\u201330\u00b0C, \ucd5c\uc18c 30\ubd84)\uacfc \uac00\uc18d(20\u201325% HNO3, 50\u201360\u00b0C). \ub9cc\uc57d \uadc0\ud558\uc758 \ud0c0\uc774\ud0c0\ub284 \ubd80\ud488\uc774 \uc678\uacfc \uc784\ud50c\ub780\ud2b8\ub77c\uba74, F86\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. \ube44\uc784\ud50c\ub780\ud2b8 \uc0b0\uc5c5\uc6a9 \ud0c0\uc774\ud0c0\ub284\uc758 \uacbd\uc6b0, ASTM B600\uc774 \uc62c\ubc14\ub978 \ucc38\uc870\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud2f0\ud0c0\ub284 \ud328\uc2dc\ubca0\uc774\uc158\uc774 \uc0c9\uc0c1\uc774\ub098 \uce58\uc218\ub97c \ubcc0\uacbd\ud558\ub098\uc694?<\/strong><\/p>\n\n\n\n

        \ud654\ud559 \ud328\uc2dc\ubca0\uc774\uc158\uc740 \ud2f0\ud0c0\ub284 \ubd80\ud488\uc758 \uc0c9\uc0c1\uc774\ub098 \uce58\uc218\ub97c \ubcc0\uacbd\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc0b0\uc695\uc740 \uc624\uc5fc\ubb3c\uacfc \ud45c\uba74 \uc2a4\ucf00\uc77c\uc744 \uc81c\uac70\ud558\uc9c0\ub9cc, \ubb3c\uc9c8\uc744 \uce68\ucc29\uc2dc\ud0a4\uac70\ub098 \ucf54\ud305\uc744 \ud615\uc131\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubd80\ud488\uc740 \uc790\uc5f0\uc801\uc778 \ud2f0\ud0c0\ub284 \ud45c\uba74\uacfc \ud568\uaed8 \ub098\uc635\ub2c8\ub2e4 - \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0\ub294 \uac00\uacf5 \uc790\uad6d\uacfc \uc2a4\ucf00\uc77c\uc774 \uc81c\uac70\ub418\uc5b4 \uc57d\uac04 \ub354 \ubc1d\uc544\uc9c8 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce58\uc218 \ubcc0\ud654\ub294 \uac00\uacf5 \ud5c8\uc6a9 \uc624\ucc28 \ub0b4\uc5d0\uc11c\ub294 \uce21\uc815\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \ubc18\uba74, \uc544\ub178\ub2e4\uc774\uc9d5\uc740 \uc0c9\uc0c1\uc744 \uc0dd\uc131\ud558\uace0 \uc18c\ub7c9\uc758 \uc0b0\ud654\ubb3c \ub450\uaed8(\uc8fc\ub85c \uc7a5\uc2dd\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 1\u00b5m \uc774\ud558)\ub97c \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \uad6c\uc5f0\uc0b0\uc774 \uc758\ub8cc\uc6a9 \ud2f0\ud0c0\ub284 \ud328\uc2dc\ubca0\uc774\uc158\uc5d0 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub098\uc694?<\/strong><\/p>\n\n\n\n

        \uc774\ub294 \uc751\uc6a9 \ud504\ub85c\uadf8\ub7a8\uc5d0 \ub530\ub77c \ub2e4\ub985\ub2c8\ub2e4. \ube44\uc784\ud50c\ub780\ud2b8 \uc758\ub8cc\uae30\uae30 \ubd80\ud488(\uc218\uc220 \ub3c4\uad6c, \ud2b8\ub808\uc774, \ub3c4\uad6c \uc190\uc7a1\uc774)\uc758 \uacbd\uc6b0 ASTM B600\uc5d0 \ub530\ub77c \uad6c\uc5f0\uc0b0\uc774 \ud5c8\uc6a9\ub429\ub2c8\ub2e4. \uccb4\ub0b4\uc5d0 \uc774\uc2dd\ub418\ub294 \uc218\uc220 \uc784\ud50c\ub780\ud2b8\uc758 \uacbd\uc6b0 ASTM F86\uc774 \uc801\uc6a9\ub429\ub2c8\ub2e4. F86\uc740 \uc624\uc9c1 \uc9c8\uc0b0\ub9cc\uc744 \uba85\uc2dc\ud569\ub2c8\ub2e4. \ubd80\ud488\uc758 \ud45c\uba74 \ucc98\ub9ac \uacb0\uacfc\uc640 \uad00\uacc4\uc5c6\uc774 \uad6c\uc5f0\uc0b0\uc740 ASTM F86 \uc218\ub3d9\ud654\uc5d0 \ub300\ud55c \ud5c8\uc6a9\ub41c \ub300\uccb4\ubb3c\uc774 \uc544\ub2d9\ub2c8\ub2e4. F86 \uba85\uc138\uac00 \uc788\ub294 \uc784\ud50c\ub780\ud2b8\uc5d0 \uad6c\uc5f0\uc0b0\uc744 \ub300\uccb4\ud558\ub294 \uac83\uc740 \ud504\ub85c\uc138\uc2a4 \ube44\uc77c\uce58\uc131\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud2f0\ud0c0\ub284 \ubd80\ub3d9\ud0dc\ud654\uc758 \ud6a8\uacfc\ub294 \uc5bc\ub9c8\ub098 \uc624\ub798 \uc9c0\uc18d\ub418\ub098\uc694?<\/strong><\/p>\n\n\n\n

        TiO2 \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc740 \uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc870\uac74\uc5d0\uc11c \uc601\uad6c\uc801\uc785\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc758 \ubd80\ub3d9\ud0dc \ud2b9\uc131\uc740 \ub9c8\ubaa8\ub418\uc5b4 \uc5c6\uc5b4\uc9c0\ub294 \ucf54\ud305\uc774 \uc544\ub2c8\ub77c \uae08\uc18d \uace0\uc720\uc758 \ud654\ud559\uc801 \uc131\uc9c8\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ubd80\ud488\uc744 \uae30\uacc4 \uac00\uacf5\ud558\uac70\ub098, \uc5f0\ub9c8\ud558\uc5ec \uae08\uc18d \ud45c\uba74\uc744 \ub178\ucd9c\uc2dc\ud0a4\uac70\ub098, \uc0b0\ud654\ub9c9\uc744 \ud30c\uad34\ud558\ub294 \ud658\uacbd(\uc608: \ub18d\ucd95 \ubd88\ud654\uc218\uc18c\uc0b0)\uc5d0 \ub178\ucd9c\uc2dc\ud0a4\uc9c0 \uc54a\ub294 \ud55c, \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc740 \ubbf8\uc138\ud55c \uae01\ud798\uc5d0\ub3c4 \uc2a4\uc2a4\ub85c \uce58\uc720\ub418\uba70 \uc628\uc804\ud55c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4. \uc2e4\uc9c8\uc801\uc778 \ub2f5\ubcc0\uc744 \ub4dc\ub9ac\uc790\uba74, \uc77c\ubc18\uc801\uc778 \uc11c\ube44\uc2a4 \ud658\uacbd(\uc758\ub8cc, \ud56d\uacf5\uc6b0\uc8fc, \ud654\ud559 \uacf5\uc815)\uc5d0\uc11c \ubd80\ub3d9\ud0dc\ud654\ub41c \ud2f0\ud0c0\ub284\uc740 \uc77c\ubd80 \ub2e4\ub978 \uae08\uc18d\ub4e4\ucc98\ub7fc \uc8fc\uae30\uc801\uc778 \uc7ac\ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\uac00 \ud544\uc694\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub2e4\ub9cc, \ucca0 \uc624\uc5fc\uc744 \ub2e4\uc2dc \uc720\ubc1c\ud560 \uc218 \uc788\ub294 \ud6c4\uc18d \uae30\uacc4 \uac00\uacf5 \uc791\uc5c5\uc774 \uc774\ub8e8\uc5b4\uc9c4 \ud6c4\uc5d0\ub294 \uc7ac\ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc774 \uac00\uacf5 \ud6c4 \ud328\uc2dc\ubca0\uc774\ud305\ub418\uc9c0 \uc54a\uc73c\uba74 \ubb34\uc5c7\uc774 \ubc1c\uc0dd\ud558\ub098\uc694?<\/strong><\/p>\n\n\n\n

        \uac00\uacf5 \uacf5\uad6c\uc5d0\uc11c \ubc1c\uc0dd\ud55c \ucca0 \uc785\uc790\uac00 \ud45c\uba74\uc5d0 \ubc15\ud600 \uc788\ub294 \uacbd\uc6b0\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc785\uc790\ub294 \uc0ac\uc6a9 \uc911 \ubd80\uc2dd\ub418\uc5b4 \ub9c8\uce58 \ud2f0\ud0c0\ub284 \uc790\uccb4\uac00 \ubd80\uc2dd\ub418\ub294 \uac83\ucc98\ub7fc \ubcf4\uc774\ub294 \ubd89\uc740 \ub179 \uc5bc\ub8e9\uc744 \ud615\uc131\ud569\ub2c8\ub2e4(\uc2e4\uc81c\ub85c\ub294 \ud2f0\ud0c0\ub284\uc774 \ubd80\uc2dd\ub418\ub294 \uac83\uc774 \uc544\ub2d9\ub2c8\ub2e4). \ub354 \uc2ec\uac01\ud55c \uc810\uc740 \ucca0 \ubd80\uc2dd \uc0dd\uc131\ubb3c\uc774 \uad6d\ubd80\uc801\uc73c\ub85c TiO2 \ub9c9\uc758 \ud558\ubd80\ub97c \ud30c\uace0\ub4e4\uc5b4, \uc8fc\ubcc0 \uc0b0\ud654\ubb3c\uc774 \ubcf5\uad6c\ud560 \uc218 \uc5c6\ub294 \ud53c\ud305(pitting) \ud604\uc0c1\uc744 \uc720\ubc1c\ud55c\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc758\ub8cc \ubd84\uc57c\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ud45c\uba74 \uc624\uc5fc\uc774 \uc0dd\ubb3c\ud559\uc801 \uc704\ud5d8\uc744 \ucd08\ub798\ud558\uace0 \uae08\uc18d \uc774\uc628 \ubc29\ucd9c\ub7c9\uc744 \ub192\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud654\ud559 \uacf5\uc815\uc758 \uacbd\uc6b0, \uac00\ud639\ud55c \ud658\uacbd\uc5d0 \ub178\ucd9c\ub41c \ube44\ubd80\ub3d9\ud0dc\ud654 \ud2f0\ud0c0\ub284\uc740 \uad6d\ubd80\uc801\uc778 \ud53c\ud305\uc744 \ubcf4\uc77c \uc218 \uc788\uc73c\uba70, \ubbf8\uad00\uc6a9 \ub610\ub294 \ube44\uad6c\uc870\uc6a9 \uc18c\ube44\uc790 \ud2f0\ud0c0\ub284 \uc81c\ud488\uc5d0\uc11c\ub294 \ud45c\uba74 \uc5bc\ub8e9\uc774 \uc2e4\uc9c8\uc801\uc778 \uacb0\uacfc\ub85c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n

        \uacb0\ucf54 \ud754\uc801\uc744 \ub0a8\uae30\uc9c0 \uc54a\ub294 \uc0b0\ud654\uce35<\/h2>\n\n\n\n

        \ud2f0\ud0c0\ub284\uc758 \ubd80\ub3d9\ud0dc \ud53c\ub9c9\uc740 \uacf5\ud559 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \ud6a8\uacfc\uc801\uc774\uba74\uc11c\ub3c4 \ub208\uc5d0 \uc798 \ub744\uc9c0 \uc54a\ub294 \ubd80\uc2dd \ubc29\uc9c0\ub9c9 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4. \uc790\ubc1c\uc801\uc73c\ub85c \ud615\uc131\ub418\uace0 \uc790\uac00 \uce58\uc720\ub418\ub294 2~6\ub098\ub178\ubbf8\ud130 \ub450\uaed8\uc758 TiO2 \uce35 \ub355\ubd84\uc5d0 \ud2f0\ud0c0\ub284\uc740 \uc815\ud615\uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8, \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ud328\uc2a4\ub108, \ud654\ud559 \ubc18\uc751\uae30 \ubc0f \ud574\uc800 \ud30c\uc774\ud504\ub77c\uc778 \ub4f1\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\ub3d9\ud0dc\ud654 \ucc98\ub9ac\uac00 \uc5ec\uc804\ud788 \uc911\uc694\ud55c \uc774\uc720\ub294 \ud53c\ub9c9 \uc790\uccb4\uac00 \ubd80\uc801\uc808\ud574\uc11c\uac00 \uc544\ub2c8\ub77c, \uc81c\uc870 \uacfc\uc815\uc5d0\uc11c \ud53c\ub9c9\uc774 \uc190\uc0c1\ub418\uac70\ub098 \uc624\uc5fc\ub418\uace0, \uc815\uc791 \ud544\uc694\ud55c \ubd80\uc704\uc5d0 \ud53c\ub9c9\uc774 \ud615\uc131\ub418\ub294 \uac83\uc744 \ubc29\ud574\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

        \ud45c\uc900 \uaddc\uaca9\uc744 \uba85\ud655\ud788 \uc774\ud574\ud55c\ub2e4\uba74 \uacf5\uc815 \uc808\ucc28\ub294 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uc0b0\uc5c5\uc6a9 \ubc0f \ube44\uc784\ud50c\ub780\ud2b8 \uc758\ub8cc\uc6a9 \ubd80\ud488\uc740 ASTM B600\uc744, \uc9c8\uc0b0\ub9cc\uc744 \uc0ac\uc6a9\ud558\ub294 \uc678\uacfc\uc6a9 \uc784\ud50c\ub780\ud2b8\ub294 ASTM F86\uc744, \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \uc544\ub178\ub2e4\uc774\uc9d5\uc740 AMS 2487\/2488\uc744 \ub530\ub985\ub2c8\ub2e4.<\/strong> \ub3c4\uba74\uc758 \ud45c\uae30\uc640 \uc0c1\uad00\uc5c6\uc774 ASTM A380\uc740 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15\uc5d0 \ud574\ub2f9\ud569\ub2c8\ub2e4. \uc0b0\uc131 \uc6a9\uc561 \uc120\ud0dd\uc740 \ud45c\uc900\uc744 \ub530\ub985\ub2c8\ub2e4. F86\uc740 \uc9c8\uc0b0 \uc0ac\uc6a9\uc744 \uac15\uc81c\ud558\ub294 \ubc18\uba74, \uadf8 \uc678\uc758 \uacbd\uc6b0\uc5d0\ub294 \uc548\uc804\uc131\uacfc \ud658\uacbd\uc801 \uc774\uc810\uc774 \uc911\uc694\ud55c \uad6c\uc5f0\uc0b0\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\ub294 \uae30\ud68c\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

        \uaddc\uaca9\uc5d0 \ub9de\ub294 \ubd80\ub3d9\ud0dc\ud654 \uacf5\uc815\uc744 \uac70\uce5c \ubd80\ud488\uc740 \ucc98\ub9ac \uc804\uacfc \uac70\uc758 \ub3d9\uc77c\ud574 \ubcf4\uc785\ub2c8\ub2e4. \uc0c9\uc0c1\uacfc \uce58\uc218\uac00 \uadf8\ub300\ub85c \uc720\uc9c0\ub418\uba70 \ub208\uc5d0 \ubcf4\uc774\ub294 \ucf54\ud305\ub3c4 \uc5c6\uc2b5\ub2c8\ub2e4. \ucc28\uc774\uc810\uc740 \ubd80\ud488\uc758 \uc218\uba85 \ub3d9\uc548 TiO2 \ud53c\ub9c9\uc744 \uade0\uc77c\ud558\uac8c \uc720\uc9c0\ud560 \uc218 \uc788\ub294 \ud45c\uba74 \uc0c1\ud0dc\uac00 \ub41c\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

        Titanium forms a protective TiO2 oxide layer spontaneously, but machining, welding, and handling damage this layer and introduce free iron contamination that defeats it. Chemical passivation \u2014 using nitric acid or citric acid in a controlled bath \u2014 removes that contamination and restores the passive film. The correct standards depend on application: ASTM B600 for […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4523","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4523","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/comments?post=4523"}],"version-history":[{"count":1,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4523\/revisions"}],"predecessor-version":[{"id":4531,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4523\/revisions\/4531"}],"wp:attachment":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/media?parent=4523"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/categories?post=4523"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/tags?post=4523"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}