{"id":4349,"date":"2026-07-29T08:37:38","date_gmt":"2026-07-29T08:37:38","guid":{"rendered":"https:\/\/hontitan.com\/?p=4349"},"modified":"2026-07-27T08:40:47","modified_gmt":"2026-07-27T08:40:47","slug":"grade-7-vs-grade-2-titanium","status":"publish","type":"post","link":"https:\/\/hontitan.com\/ko\/grade-7-vs-grade-2-titanium\/","title":{"rendered":"7\ub4f1\uae09 \ub300 2\ub4f1\uae09 \ud2f0\ud0c0\ub284: \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c\ub294 \uc5b4\ub290 \ub4f1\uae09\uc774 \ub354 \uc6b0\uc218\ud560\uae4c?"},"content":{"rendered":"

2\ub4f1\uae09\uacfc 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \uae30\uacc4\uc801 \ud2b9\uc131\uc774 \ub3d9\uc77c\ud558\uace0 \ud654\ud559 \uc870\uc131\ub3c4 \uac70\uc758 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc720\uc77c\ud55c \ucc28\uc774\uc810\uc740 7\ub4f1\uae09\uc5d0 0.12\u20130.25%\uc758 \ud314\ub77c\ub4d0\uc774 \ucca8\uac00\ub418\uc5b4 \uc788\ub2e4\ub294 \uc810\uc785\ub2c8\ub2e4. \uc774 \uc18c\ub7c9\uc758 \ucca8\uac00\ub9cc\uc73c\ub85c\ub3c4 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c\ub294 \ubaa8\ub4e0 \uac83\uc774 \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \ub053\ub294 5% HCl\uc5d0\uc11c 7\ub4f1\uae09\uc740 \uc5f0\uac04 0.18 mm\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub97c \ubcf4\uc774\ub294 \ubc18\uba74, 2\ub4f1\uae09\uc740 \uc5f0\uac04 10 mm \uc774\uc0c1 \ubd80\uc2dd\ub429\ub2c8\ub2e4. \ub053\ub294 5% H\u2082SO\u2084\uc5d0\uc11c 7\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 0.50 mm\/yr\uc778 \ubc18\uba74, 2\ub4f1\uae09\uc740 48 mm\/yr\uc5d0 \ub2ec\ud569\ub2c8\ub2e4. \uacf5\uc815\uc5d0\uc11c \uc5fc\uc0b0, \ud669\uc0b0, \ud3ec\ub984\uc0b0 \ub610\ub294 \uae30\ud0c0 \ud658\uc6d0\uc131 \uc0b0 \uc720\uccb4\uac00 \uc0ac\uc6a9\ub418\ub294 \uacbd\uc6b0 \u2014 \ud2b9\ud788 \uace0\uc628 \ud658\uacbd\uc5d0\uc11c \u2014 7\ub4f1\uae09\uc774 \uac70\uc758 \ud56d\uc0c1 \uc62c\ubc14\ub978 \uc0ac\uc591\uc785\ub2c8\ub2e4. \ud658\uacbd\uc774 \uc0b0\ud654\uc131, \uc57d\uc0b0\uc131 \ub610\ub294 \uc8fc\ub85c \uc5fc\ubd84 \uc131\ubd84\uc774 \ub9ce\uc740 \uacbd\uc6b0, 2\ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\uba74 \ud6e8\uc52c \uc800\ub834\ud55c \ube44\uc6a9\uc73c\ub85c \ub300\uc751\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\ub294 \uc774\ub7ec\ud55c \uacb0\uc815\uc744 \ub0b4\ub9ac\ub294 \ub370 \ud544\uc694\ud55c \ub370\uc774\ud130\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144\uc740 2\ud559\ub144\uacfc \ubb34\uc5c7\uc774 \ub2e4\ub978\uac00<\/h2>\n\n\n\n
\"2\uae09<\/figure>\n\n\n\n

\uc131\ubd84 \uce21\uba74\uc5d0\uc11c \ubcfc \ub54c, 7\ud638\uae09\uacfc 2\ud638\uae09\uc740 \uac70\uc758 \ub3d9\uc77c\ud55c \uc18c\uc7ac\uc785\ub2c8\ub2e4. \ub458 \ub2e4 \uc0c1\uc5c5\uc6a9 \uc21c\uc218(CP) \ud2f0\ud0c0\ub284\uc73c\ub85c, \uc0b0\uc18c, \uc9c8\uc18c, \ud0c4\uc18c, \uc218\uc18c\uc758 \uc0bd\uc785 \uc6d0\uc18c \ub18d\ub3c4\ub97c \uc870\uc808\ud558\ub294 \uac83 \uc678\uc5d0\ub294 \uc720\uc758\ubbf8\ud55c \ud569\uae08 \uc6d0\uc18c\uac00 \ucca8\uac00\ub418\uc9c0 \uc54a\uc740 \uc54c\ud30c\uc0c1 \ud569\uae08\uc785\ub2c8\ub2e4. \uc774 \ub458\uc758 \ubaa8\ub4e0 \ucc28\uc774\ub294 ASTM \uaddc\uaca9\uc758 \ub2e8 \ud55c \uc904\uc5d0 \ubaa8\ub450 \ub2f4\uaca8 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144 \uacfc\uc815\uc5d0\ub294 \ub2e4\uc74c\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4. 0.12\u20130.25% \ud314\ub77c\ub4d0<\/strong> (ASTM B338\uc5d0\uc11c \uc774 \ubc94\uc704\ub97c \uaddc\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4). 2\ub4f1\uae09\uc5d0\ub294 \ud3ec\ud568\ub418\uc5b4 \uc788\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8\uac8c \uc804\ubd80\uc785\ub2c8\ub2e4. \ud2f0\ud0c0\ub284 \ub9e4\ud2b8\ub9ad\uc2a4, \ucd5c\uc18c \uae30\uacc4\uc801 \ud2b9\uc131, \uac00\uacf5\uc131, \uc6a9\uc811\uc131, \ubc00\ub3c4\uac00 \ubaa8\ub450 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ud638\ud658\uc131 \ubb38\uc81c \uc5c6\uc774 7\ub4f1\uae09\uc744 2\ub4f1\uae09\uc5d0 \uc6a9\uc811\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud574\ub2f9 \uc81c\ud488\uc758 ASTM \uaddc\uaca9 \u2014 B265(\uc2dc\ud2b8\/\ud50c\ub808\uc774\ud2b8), B337(\ud30c\uc774\ud504), B338(\ud29c\ube0c), B348(\ubd09), B381(\ub2e8\uc870\ud488) \u2014 \uc740 \ud314\ub77c\ub4d0 \uc694\uad6c \uc0ac\ud56d\uacfc UNS \uba85\uce6d\uc744 \uc81c\uc678\ud558\uace0\ub294 \ubaa8\ub450 \ub3d9\uc77c\ud569\ub2c8\ub2e4. 2\ub4f1\uae09\uc740 R50400, 7\ub4f1\uae09\uc740 R52400\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uadf8\ub7ec\ub098 \uac00\uaca9 \ucc28\uc774\ub294 \uc0c1\ub2f9\ud569\ub2c8\ub2e4. \ud314\ub77c\ub4d0\uc740 \ubc31\uae08\uc871 \uae08\uc18d\uc785\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud604\uc7ac \ud314\ub77c\ub4d0 \ud604\ubb3c \uac00\uaca9\uacfc \uc81c\ud488 \ud615\ud0dc\uc5d0 \ub530\ub77c 2\ub4f1\uae09\ubcf4\ub2e4 3~5\ubc30 \ub192\uc740 \uac00\uaca9\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \ub300\ud615 \uc5f4\uad50\ud658\uae30 \ubc88\ub4e4\uc758 \uacbd\uc6b0, \uc774\ub7ec\ud55c \uac00\uaca9 \ucc28\uc774\ub294 \uae08\uc138 \ud070 \uae08\uc561\uc73c\ub85c \ubd88\uc5b4\ub0a9\ub2c8\ub2e4. \uadf8\ub807\uae30 \ub54c\ubb38\uc5d0 7\ub4f1\uae09\uc774 \ubc18\ub4dc\uc2dc \ud544\uc694\ud55c \uc2dc\uc810\uacfc 2\ub4f1\uae09\uc73c\ub85c \ucda9\ubd84\ud55c \uc2dc\uc810\uc744 \uc815\ud655\ud788 \ud30c\uc545\ud558\ub294 \uac83\uc740 \ud50c\ub79c\ud2b8\uc758 \uc2e0\ub8b0\uc131\ub9cc\ud07c\uc774\ub098 \ud504\ub85c\uc81d\ud2b8 \uc608\uc0b0 \uce21\uba74\uc5d0\uc11c\ub3c4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144 \ub300 2\ud559\ub144: \ud55c\ub208\uc5d0 \ubcf4\uae30<\/h2>\n\n\n\n

\uc544\ub798 \ud45c\ub294 \uad6c\uc131, \uae30\uacc4\uc801 \uc131\ub2a5, \ubd80\uc2dd \uac70\ub3d9 \ubc0f \uc2e4\uc6a9\uc801 \uace0\ub824 \uc0ac\ud56d\uc5d0 \ub300\ud55c \uc885\ud569\uc801\uc778 \ube44\uad50\ub97c \ub2f4\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uae30\uacc4\uc801 \ud2b9\uc131\uc740 \ubaa8\ub450 \ub3d9\uc77c\ud558\uba70, \ucc28\uc774\uc810\uc740 \uc804\uc801\uc73c\ub85c \ub0b4\uc2dd\uc131\uacfc \ube44\uc6a9\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc18d\uc131<\/th>2\ub4f1\uae09 (CP-Ti)<\/th>7\ub4f1\uae09 (Ti-0.15Pd)<\/th><\/tr><\/thead>
\uc720\uc5d4 \uc9c0\uc815<\/strong><\/td>R50400<\/td>R52400<\/td><\/tr>
\ud314\ub77c\ub4d0 \ud568\ub7c9<\/strong><\/td>\uc5c6\uc74c<\/td>0.12\u20130.25%<\/td><\/tr>
\uc778\uc7a5 \uac15\ub3c4(\ucd5c\uc18c)<\/strong><\/td>345 MPa<\/td>345 MPa<\/td><\/tr>
\ud56d\ubcf5\uac15\ub3c4 (0.2%, \ucd5c\uc18c)<\/strong><\/td>275 MPa<\/td>275 MPa<\/td><\/tr>
\uc5f0\uc2e0\uc728(\ubd84)<\/strong><\/td>20%<\/td>20%<\/td><\/tr>
\ubc00\ub3c4<\/strong><\/td>4.51g\/cm\u00b3<\/td>4.51g\/cm\u00b3<\/td><\/tr>
\ud0c4\uc131 \uacc4\uc218<\/strong><\/td>103 GPa<\/td>103 GPa<\/td><\/tr>
\ub179\ub294 \ubc94\uc704<\/strong><\/td>1,668 \u00b1 10\u00b0C<\/td>1,668 \u00b1 10\u00b0C<\/td><\/tr>
\uc5f4 \uc804\ub3c4\uc131<\/strong><\/td>11.4 W\/m\u00b7\u00b0C<\/td>11.4 W\/m\u00b7\u00b0C<\/td><\/tr>
\uc0b0\ud654\uc131 \uc0b0\uc5d0 \ub300\ud55c \ub0b4\uc131<\/strong><\/td>\uc6b0\uc218<\/td>\uc6b0\uc218<\/td><\/tr>
\uc0b0 \ub0b4\uc131 \uac10\uc18c<\/strong><\/td>\ud55c\uc815\ud310<\/td>\uc6b0\uc218<\/td><\/tr>
\ud2c8\uc0c8 \ubd80\uc2dd \uc800\ud56d\uc131<\/strong><\/td>\ubcf4\ud1b5<\/td>\ub192\uc74c<\/td><\/tr>
\uace0\uc628 \uc5fc\ud654\ubb3c \uc5fc\uc218 \ub0b4\uc131<\/strong><\/td>Good<\/td>\uc6b0\uc218<\/td><\/tr>
\uc6a9\uc811\uc131<\/strong><\/td>\uc6b0\uc218<\/td>\uc6b0\uc218<\/td><\/tr>
\uc131\ud615\uc131<\/strong><\/td>\uc6b0\uc218<\/td>\uc6b0\uc218<\/td><\/tr>
\uc0c1\ub300\uc801 \ube44\uc6a9<\/strong><\/td>\uae30\uc900\uc120<\/td>3~5\ubc30 \ub354 \ub192\ub2e4<\/td><\/tr>
ASTM \uaddc\uaca9<\/strong><\/td>B265, B337, B338, B348, B381<\/td>B265, B337, B338, B348, B381<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc694\uc810 \uc815\ub9ac:<\/strong> \uc0ac\uc6a9 \ud658\uacbd\uc774 \uc0b0\ud654\uc131\uc774\ub098 \uc57d\ud55c \ubd80\uc2dd\uc131\uc778 \uacbd\uc6b0, \uc131\ub2a5 \uc9c0\ud45c\ub294 \ub3d9\uc77c\ud558\uba70 7\ub4f1\uae09\uc744 \uc120\ud0dd\ud560 \ub54c \ubc1c\uc0dd\ud558\ub294 \ucd94\uac00 \ube44\uc6a9\uc740 \uc544\ubb34\ub7f0 \uc774\ub4dd\uc744 \uac00\uc838\ub2e4\uc8fc\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \uc0b0\uc131 \ud658\uacbd\uc774\ub098 \uce68\uc2dd\uc131\uc774 \uac15\ud55c \ud2c8\uc0c8 \uc870\uac74\uc5d0\uc11c\ub9cc \uadf8 \uac00\uaca9 \ub300\ube44 \uac00\uce58\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0\uc774 \ud6a8\uacfc\uc801\uc778 \uc774\uc720 \u2014 \uc804\uae30\ud654\ud559<\/h2>\n\n\n\n
\"7\ub4f1\uae09<\/figure>\n\n\n\n

\ub300\ubd80\ubd84\uc758 \uc7ac\ub8cc \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\ub294 \ud314\ub77c\ub4d0\uc774 \ud2f0\ud0c0\ub284\uc758 \ub0b4\uc2dd\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a8\ub2e4\uace0 \uba85\uc2dc\ub418\uc5b4 \uc788\uc9c0\ub9cc, \uadf8 \uc6d0\ub9ac\uc5d0 \ub300\ud574\uc11c\ub294 \uc124\uba85\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8 \uc791\uc6a9 \uae30\uc804\uc744 \uc774\ud574\ud558\ub294 \uac83\uc740 \uc2dc\uac04\uc744 \ub4e4\uc5ec \uc54c\uc544\ubcfc \ub9cc\ud55c \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub97c \ud1b5\ud574 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc774 \uc5b4\ub5a4 \ud658\uacbd\uc5d0\uc11c\ub294 \ud6a8\uacfc\uac00 \uc788\uace0 \uc5b4\ub5a4 \ud658\uacbd\uc5d0\uc11c\ub294 \ud6a8\uacfc\uac00 \uc5c6\ub294\uc9c0 \uc815\ud655\ud788 \ud30c\uc545\ud560 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0\ud654\uc131 \ud658\uacbd\uc5d0\uc11c \ud2f0\ud0c0\ub284\uc758 \ub0b4\uc2dd\uc131\uc740 \ud328\uc2dc\ube0c \uc0b0\ud654\ub9c9, \uc989 \uacf5\uae30\ub098 \ubb3c\uc5d0 \ub178\ucd9c\ub418\uba74 \uc989\uc2dc \ud615\uc131\ub418\ub294 \uc587\uace0 \uc790\uac00 \uce58\uc720 \ub2a5\ub825\uc774 \uc788\ub294 TiO\u2082 \uce35\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uac15\ub825\ud55c \uc0b0\ud654\uc131 \ub9e4\uccb4\uc5d0\uc11c\ub294 \uc774 \ub9c9\uc774 \uc548\uc815\uc801\uc774\uba70 \uae08\uc18d\uc740 \uac70\uc758 \ubd80\uc2dd\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubb38\uc81c\ub294 \ud658\uc6d0\uc131 \ud658\uacbd, \ud2b9\ud788 \ud658\uc6d0\uc131 \uc0b0\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \uc804\uae30\ud654\ud559\uc801 \uad6c\ub3d9\ub825\uc774 \ub9c9 \ud615\uc131\ubcf4\ub2e4\ub294 \ub9c9 \uc6a9\ud574 \ucabd\uc73c\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4. \uc0b0\ud654\ub9c9\uc774 \ud30c\uad34\ub418\uace0 \ub178\ucd9c\ub41c \uae08\uc18d \ud45c\uba74\uc774 \ub4dc\ub7ec\ub098\uba74\uc11c \ubd80\uc2dd\uc774 \uae09\uc18d\ud788 \uc9c4\ud589\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \uba54\ucee4\ub2c8\uc998\uc744 \ud1b5\ud574 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4. \uc74c\uadf9 \ud0c8\ubd84\uadf9<\/strong>. \ub0ae\uc740 Pd \ub18d\ub3c4(7\ub4f1\uae09\uc5d0\uc11c 0.12\u20130.25%)\uc5d0\uc11c\ub294 \ud314\ub77c\ub4d0\uc774 \uc0b0\uc5d0 \uc6a9\ud574\ub418\uc9c0 \uc54a\ub294\ub2e4. \ub300\uc2e0, TiO\u2082\uac00 \uadf8 \uc8fc\ubcc0\uc5d0\uc11c \uc6b0\uc120\uc801\uc73c\ub85c \uc6a9\ud574\ub418\uba74\uc11c \ud314\ub77c\ub4d0\uc740 \uae08\uc18d \ud45c\uba74\uc5d0 \ub18d\ucd95\ub418\uc5b4, \uc791\uc740 Pd\uac00 \ud48d\ubd80\ud55c \uae08\uc18d\uac04 \ud654\ud569\ubb3c \uc601\uc5ed(\uc8fc\ub85c TiPd)\uc744 \ud615\uc131\ud55c\ub2e4. \uc774\ub7ec\ud55c \ud314\ub77c\ub4d0\uc774 \ud48d\ubd80\ud55c \ubd80\uc704\ub294 \ud6a8\uc728\uc801\uc778 \uc74c\uadf9 \ubd80\uc704 \uc5ed\ud560\uc744 \ud558\uba70, \ud2f0\ud0c0\ub284\ubcf4\ub2e4 \ud6e8\uc52c \ub354 \ud6a8\uacfc\uc801\uc73c\ub85c \uc218\uc18c \uc774\uc628(H\u207a \u2192 H\u2082)\uc758 \ud658\uc6d0\uc744 \ucd09\ub9e4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\ub7ec\ud55c \uc74c\uadf9 \ucd09\ub9e4 \uc791\uc6a9\uc740 \ub450 \uac00\uc9c0 \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. \uc989, \uc74c\uadf9 \ubc18\uc751 \uc18d\ub3c4\ub97c \uac00\uc18d\ud654\ud558\uace0, \uae08\uc18d \ud45c\uba74\uc758 \ud63c\ud569 \uc804\uc704\ub97c \ub354 \uadc0\uae08\uc18d\uc801\uc778(\uc591\uadf9\uc131) \uac12 \ucabd\uc73c\ub85c \uc0c1\uc2b9\uc2dc\ud0b5\ub2c8\ub2e4. \ub9cc\uc57d \uadf8 \ud63c\ud569 \uc804\uc704\uac00 \ud2b9\uc815 \ub9e4\uc9c8\uc5d0\uc11c \ud2f0\ud0c0\ub284\uc758 \uc784\uacc4 \ubd80\ub3d9\ud0dc\ud654 \uc804\uc704 \uc774\uc0c1\uc73c\ub85c \uc0c1\uc2b9\ud558\uba74, \ud2f0\ud0c0\ub284 \ud45c\uba74\uc740 \ub2e4\uc2dc \ubd80\ub3d9\ud0dc \uc0c1\ud0dc\ub85c \ub3cc\uc544\uac00 \ubd80\uc2dd\uc774 \uc0ac\uc2e4\uc0c1 \uc911\ub2e8\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2e4\uc9c8\uc801\uc73c\ub85c \uc774\ub294, 2\ub4f1\uae09 \uac15\uc7ac\uac00 \uc5f0\uac04 \uc218\uc2ed \ubc00\ub9ac\ubbf8\ud130\uc529 \uad00\ud1b5 \ubd80\uc2dd\uc774 \ubc1c\uc0dd\ud558\ub294 \uc0b0 \ub18d\ub3c4\uc640 \uc628\ub3c4 \uc870\uac74\uc5d0\uc11c\ub3c4 7\ub4f1\uae09 \uac15\uc7ac\ub294 \uc790\uccb4 \ud328\uc2dc\ubca0\uc774\uc158\uc774 \uac00\ub2a5\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774 \uba54\ucee4\ub2c8\uc998\uc5d0\ub294 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0 \ub18d\ub3c4\uac00 \ub9e4\uc6b0 \ub192\uac70\ub098 \uc628\ub3c4\uac00 \ub9e4\uc6b0 \ub192\uc740 \uacbd\uc6b0, \ud53c\ub9c9 \uc6a9\ud574\uc758 \uad6c\ub3d9\ub825\uc774 \ud314\ub77c\ub4d0(Pd) \ucd09\ub9e4 \uc791\uc6a9\uc774 \uc0c1\uc1c4\ud560 \uc218 \uc788\ub294 \uc218\uc900\uc744 \ucd08\uacfc\ud558\uc5ec 7\ub4f1\uae09\ub3c4 \ubd80\uc2dd\ub429\ub2c8\ub2e4. Austral Wright\uc758 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74, N\u2082 \ud3ec\ud654 \uc0c1\ud0dc\uc758 190\u00b0C\uc5d0\uc11c 10% HCl \uc6a9\uc561 \ub0b4 Grade 7\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 8.8 mm\/yr\uc5d0 \ub2ec\ud569\ub2c8\ub2e4. \uc774\ub294 Grade 2(>28 mm\/yr)\ubcf4\ub2e4\ub294 \uc5ec\uc804\ud788 \uc6b0\uc218\ud558\uc9c0\ub9cc, \ub354 \uc774\uc0c1 \uc900\ubd80\ub3d9 \uc0c1\ud0dc\ub77c\uace0 \ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud55c \uac00\uc9c0 \uc911\uc694\ud55c \uc8fc\uc758\uc0ac\ud56d: \ud2f0\ud0c0\ub284\uc758 \uc0b0\ud654\ub9c9\uc740 \uc7ac\ud615\uc131\ub418\uae30 \uc704\ud574 \uc218\ubd84\uc758 \uc874\uc7ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ubb34\uc218(\uac74\uc870) \ud658\uc6d0 \uc870\uac74 \u2014 \uac74\uc870 \uc5fc\ud654\uc218\uc18c \uac00\uc2a4, \uac74\uc870 HF, \uc801\uc0c9 \ubc1c\uc5f0 \uc9c8\uc0b0 \u2014 \uc5d0\uc11c\ub294 7\ub4f1\uae09\uc774 2\ub4f1\uae09\uc5d0 \ube44\ud574 \uc544\ubb34\ub7f0 \uc774\uc810\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ub450 \ub4f1\uae09 \ubaa8\ub450 \uae09\uc18d\ud558\uace0 \uc7a0\uc7ac\uc801\uc73c\ub85c \uc790\uc5f0\ubc1c\ud654\uc131 \ubd80\uc2dd\uc744 \uacaa\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc0c1\uc6a9 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0\uc11c \ud754\ud788 \uc5b8\uae09\ub418\ub294 \uc81c\ud55c \uc0ac\ud56d\uc740 \uc544\ub2c8\uc9c0\ub9cc, \uc2e4\uc81c\ub85c \uc874\uc7ac\ud558\ub294 \ud55c\uacc4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0 \uc885\ub958\ubcc4 \ubd80\uc2dd \uc131\ub2a5<\/h2>\n\n\n\n
\"\uc5fc\uc0b0,<\/figure>\n\n\n\n

\ub2e4\uc74c \ub370\uc774\ud130\ub294 \ud1b5\uc81c\ub41c \uc870\uac74 \ud558\uc5d0\uc11c 7\ub4f1\uae09\uacfc 2\ub4f1\uae09\uc744 \ube44\uad50 \uc2dc\ud5d8\ud55c \uacb0\uacfc\uc785\ub2c8\ub2e4. 0.1 mm\/yr \ubbf8\ub9cc\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc7a5\uae30 \uc0ac\uc6a9\uc5d0 \uc801\ud569\ud55c \uac83\uc73c\ub85c \uac04\uc8fc\ub418\uba70, 1.0 mm\/yr\uc744 \ucd08\uacfc\ud558\ub294 \uc18d\ub3c4\ub294 \ub300\uac1c \uc7ac\ub8cc \uad50\uccb4\uac00 \ud544\uc694\ud568\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5fc\uc0b0 (HCl)<\/h3>\n\n\n\n

HCl\uc740 \ud658\uc6d0\uc131 \uc0b0\uc73c\ub85c, 7\ud559\ub144 \uacfc\uc815\uc758 \uc7a5\uc810\uc744 \uac00\uc7a5 \uc798 \ubcf4\uc5ec\uc8fc\ub294 \uc608\uc2dc\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc870\uac74<\/th>\uc9d1\uc911\ub825<\/th>\uc628\ub3c4<\/th>7\ub4f1\uae09 (mm\/\ub144)<\/th>2\ub4f1\uae09 (mm\/\ub144)<\/th><\/tr><\/thead>
\ud45c\uc900<\/td>5%<\/td>\ub053\uc774\uae30<\/td>0.18<\/td>>10<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>3%<\/td>190\u00b0C<\/td>0.025<\/td>>28<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>5%<\/td>190\u00b0C<\/td>0.10<\/td>>28<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>10%<\/td>190\u00b0C<\/td>8.8<\/td>>28<\/td><\/tr>
O\u2082 \ud3ec\ud654<\/td>3%<\/td>190\u00b0C<\/td>0.13<\/td>>28<\/td><\/tr>
O\u2082 \ud3ec\ud654<\/td>5%<\/td>190\u00b0C<\/td>0.13<\/td>>28<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc2e4\uc628\uc5d0\uc11c 2\ub4f1\uae09\uc758 \uc2e4\uc6a9\uc801 \ud55c\uacc4\ub294 \uc57d 7% HCl\uc785\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \ubd80\uc2dd \uc18d\ub3c4\uac00 \ubb38\uc81c\uac00 \ub418\uae30 \uc804\uae4c\uc9c0 \uc774 \ud55c\uacc4\ub97c \uc57d 27% HCl\uae4c\uc9c0 \ud655\uc7a5\ud569\ub2c8\ub2e4. \ube44\ub4f1 \uc628\ub3c4\uc5d0\uc11c 2\ub4f1\uae09\uc740 1\u20132% HCl \uc774\uc0c1\uc5d0\uc11c\ub294 \uc0ac\uc2e4\uc0c1 \uc0ac\uc6a9\ud558\uae30\uc5d0 \ubd80\uc801\ud569\ud569\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 5% \ube44\ub4f1 \uc628\ub3c4\uae4c\uc9c0 \uc0ac\uc6a9 \uac00\ub2a5\ud558\uba70, \uc774 \ub54c \ubd80\uc2dd \uc18d\ub3c4(0.18 mm\/yr)\ub294 \ubbf8\ubbf8\ud55c \uc218\uc900\uc774\uc9c0\ub9cc, \uace0\uc628\uc5d0\uc11c 10% \uc774\uc0c1\uc5d0\uc11c\ub294 \uc0ac\uc6a9\uc774 \ubd88\uac00\ub2a5\ud574\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud669\uc0b0 (H\u2082SO\u2084)<\/h3>\n\n\n\n

\ud669\uc0b0\uc740 \ucc28\uc774\uac00 \uadf9\uba85\ud558\uac8c \ub098\ud0c0\ub098\ub294 \ub610 \ub2e4\ub978 \ud658\uc6d0\uc131 \uc0b0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc870\uac74<\/th>\uc9d1\uc911\ub825<\/th>\uc628\ub3c4<\/th>7\ub4f1\uae09 (mm\/\ub144)<\/th>2\ub4f1\uae09 (mm\/\ub144)<\/th><\/tr><\/thead>
\ud45c\uc900<\/td>5%<\/td>\ub053\uc774\uae30<\/td>0.50<\/td>48<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>1%<\/td>100\u00b0C<\/td>\u2014<\/td>7<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>1%<\/td>190\u00b0C<\/td>0.13<\/td>\u2014<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>5%<\/td>190\u00b0C<\/td>0.13<\/td>\u2014<\/td><\/tr>
N\u2082\ub85c \ud3ec\ud654\ub41c<\/td>10%<\/td>190\u00b0C<\/td>1.5<\/td>\u2014<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

5% \ub4f1\uae09 \uac15\uc7ac\ub294 \ub053\ub294 H\u2082SO\u2084\uc5d0\uc11c \uc5f0\uac04 48 mm\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub97c \ubcf4\uc774\uba70, \uc0ac\uc2e4\uc0c1 \uba70\uce60 \ub9cc\uc5d0 \uc6a9\ud574\ub429\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uc870\uac74\uc5d0\uc11c 7\ub4f1\uae09 \uac15\uc7ac\ub294 \uc5f0\uac04 0.50 mm\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub97c \ubcf4\uc774\uba70, \uc774\ub294 \uc77c\ubd80 \uc6a9\ub3c4\uc5d0\uc11c \uac04\uc2e0\ud788 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc218\uc900\uc785\ub2c8\ub2e4. \uace0\uc628\uc758 \ud76c\uc11d H\u2082SO\u2084 \ud658\uacbd\uc5d0\uc11c, 1\u20135% \ub18d\ub3c4\uc758 7\ub4f1\uae09\uc740 0.15 mm\/yr \ubbf8\ub9cc\uc758 \uc900\ubd80\ub3d9\ud654 \ubd80\uc2dd \uc18d\ub3c4\ub97c \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\uae30\uc0b0 (\ud3ec\ub984\uc0b0, \uad6c\uc5f0\uc0b0, \uc625\uc0b4\uc0b0)<\/h3>\n\n\n\n

\uc720\uae30\uc0b0\uc740 \uc7a5\ub2e8\uc810\uc774 \uacf5\uc874\ud558\ub294 \uc591\uc0c1\uc744 \ubcf4\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0<\/th>\uc9d1\uc911\ub825<\/th>\uc628\ub3c4<\/th>7\ub4f1\uae09 (mm\/\ub144)<\/th>2\ub4f1\uae09 (mm\/\ub144)<\/th><\/tr><\/thead>
\ud3ec\ub984\uc0b0<\/td>50%<\/td>\ub053\uc774\uae30<\/td>0.075<\/td>3.6<\/td><\/tr>
\uad6c\uc5f0\uc0b0<\/td>50%<\/td>\ub053\uc774\uae30<\/td><0.025<\/td>0.40<\/td><\/tr>
\uc625\uc0b4\uc0b0<\/td>1%<\/td>\ub053\uc774\uae30<\/td>1.13<\/td>45<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ud3ec\ub984\uc0b0 \ubc0f \uad6c\uc5f0\uc0b0: 7\ub4f1\uae09\uc740 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\uc9c0\ub9cc, 2\ub4f1\uae09\uc740 \uc7a5\uae30 \uc0ac\uc6a9 \uc2dc \ubb38\uc81c\uac00 \ub420 \uc815\ub3c4\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub97c \ubcf4\uc778\ub2e4. \uc625\uc0b4\uc0b0\uc740 \ub450 \ub4f1\uae09 \ubaa8\ub450\uc5d0 \ub300\ud574 \uacf5\uaca9\uc801\uc785\ub2c8\ub2e4. 7\ub4f1\uae09\uc758 \uacbd\uc6b0 1% \uc625\uc0b4\uc0b0 \uc6a9\uc561\uc5d0\uc11c \ub053\ub294 \uc0c1\ud0dc\uc5d0\uc11c \uc5f0\uac04 1.13 mm\uc758 \ubd80\uc2dd \uc18d\ub3c4\uac00 \ub192\uc740 \ud3b8\uc774\uba70, 2\ub4f1\uae09\uc758 \uacbd\uc6b0 \uc5f0\uac04 45 mm\ub85c \uce58\uba85\uc801\uc778 \uc218\uc900\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc778\uc0b0 (H\u2083PO\u2084)<\/h3>\n\n\n\n
\uc9d1\uc911\ub825<\/th>\uc628\ub3c4<\/th>7\ub4f1\uae09 (mm\/\ub144)<\/th>2\ub4f1\uae09 (mm\/\ub144)<\/th><\/tr><\/thead>
50%<\/td>70\u00b0C<\/td>1.8<\/td>10<\/td><\/tr>
10%<\/td>\ub053\uc774\uae30<\/td>3.2<\/td>11<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\ub450 \ub4f1\uae09 \ubaa8\ub450 \ub18d\ucd95 \uc778\uc0b0\uc5d0\uc11c\ub294 \uc131\ub2a5\uc774 \uc800\uc870\ud569\ub2c8\ub2e4. 7\ub4f1\uae09\uc774 \ub354 \ub098\uc740 \uc131\ub2a5\uc744 \ubcf4\uc774\uc9c0\ub9cc, \ub450 \uc7ac\ub8cc \ubaa8\ub450 \ud76c\uc11d \ud658\uc6d0\uc0b0\uc5d0\uc11c \ub098\ud0c0\ub098\ub294 \uc900\uc218\ub3d9\uc131 \uc218\uc900\uc758 \uc131\ub2a5\uc744 \uc81c\uacf5\ud558\uc9c0\ub294 \ubabb\ud569\ub2c8\ub2e4. 10% \uc870\uac74\uc5d0\uc11c 3.2 mm\/yr\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 \uacc4\ud68d\ub41c \uc720\uc9c0\ubcf4\uc218 \uc8fc\uae30\uac00 \uc788\ub294 \ud2b9\uc815 \uacf5\uc815 \uc124\uacc4\uc758 \uacbd\uc6b0 \uc5ec\uc804\ud788 \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc218\uc900\uc77c \uc218 \uc788\uc9c0\ub9cc, \uc7a5\uae30\uc801\uc774\uace0 \uc720\uc9c0\ubcf4\uc218\uac00 \ud544\uc694 \uc5c6\ub294 \ud574\uacb0\ucc45\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5fc\ud654\ubb3c \ud568\uc720 \ub9e4\uccb4 (\uc5fc\uc218, AlCl\u2083)<\/h3>\n\n\n\n
Medium<\/th>\uc9d1\uc911\ub825<\/th>\uc628\ub3c4<\/th>7\ub4f1\uae09 (mm\/\ub144)<\/th>2\ub4f1\uae09 (mm\/\ub144)<\/th><\/tr><\/thead>
NaCl \uc5fc\uc218<\/td>\ud1a0.<\/td>93\u00b0C<\/td><0.025<\/td>\u2014<\/td><\/tr>
AlCl\u2083<\/td>10%<\/td>100\u00b0C<\/td><0.025<\/td><0.025<\/td><\/tr>
AlCl\u2083<\/td>25%<\/td>100\u00b0C<\/td>0.025<\/td>50<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc911\uc131\uc5d0\uc11c \uc57d\uc54c\uce7c\ub9ac\uc131 \uc5fc\uc218 \ud658\uacbd\uc5d0\uc11c\ub294 \ub450 \ub4f1\uae09 \ubaa8\ub450 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\uba70, \uadf8\uc911 2\ub4f1\uae09\uc774 \ube44\uc6a9 \ub300\ube44 \ud6a8\uc728\uc774 \ub192\uc740 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4. \uc0b0\uc131\ud654\ub418\uac70\ub098 \uc5fc\ud654\ubb3c \ub18d\ub3c4\uac00 \ub192\uc740 \ud658\uacbd\uc5d0\uc11c\ub294 7\ub4f1\uae09\uc774 \ud604\uc800\ud788 \ub6f0\uc5b4\ub09c \uc131\ub2a5\uc744 \ubc1c\ud718\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2\ud559\ub144\uc774 \uac00\uc7a5 \uc801\ud569\ud55c \uc2dc\uae30\uc778 \uacbd\uc6b0<\/h2>\n\n\n\n

\ubd80\uc2dd \uacf5\ud559 \ub17c\uc758\uc5d0\uc11c\ub294 \uc8fc\ub85c 7\ub4f1\uae09\uc5d0 \uc8fc\ubaa9\ud558\uc9c0\ub9cc, \uc0c1\ub2f9\uc218\uc758 \uc0b0\uc5c5\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 2\ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ub354 \uc801\ud569\ud569\ub2c8\ub2e4. 2\ub4f1\uae09\uc73c\ub85c\ub3c4 \ub3d9\uc77c\ud55c \uc131\ub2a5\uc744 \ubc1c\ud718\ud560 \uc218 \uc788\ub294 \uc0c1\ud669\uc5d0\uc11c 7\ub4f1\uae09\uc744 \uacfc\ub3c4\ud558\uac8c \uc9c0\uc815\ud558\ub294 \uac83\uc740 \uc9c1\uc811\uc801\uc774\uace0 \ubd88\ud544\uc694\ud55c \ube44\uc6a9 \ubc1c\uc0dd\uc744 \ucd08\ub798\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0\ud654\uc131 \uc0b0\uc131 \ud658\uacbd.<\/strong> \uac15\ub825\ud55c \uc0b0\ud654\uc131 \uc0b0\uc778 \uc9c8\uc0b0\uc5d0\uc11c \ub450 \ub4f1\uae09 \ubaa8\ub450 \ube44\uc2b7\ud55c \uc218\uc900\uc758 \uc131\ub2a5\uc744 \ubcf4\uc785\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc758 \ubd80\ub3d9\ub9c9\uc740 \ud314\ub77c\ub4d0 \ud568\ub7c9\uacfc \uad00\uacc4\uc5c6\uc774 \uc0b0\ud654 \uc870\uac74\uc5d0\uc11c \ub9e4\uc6b0 \uc548\uc815\uc801\uc785\ub2c8\ub2e4. \ud06c\ub86c\uc0b0 \ubc0f \uae30\ud0c0 \uc0b0\ud654\uc131 \ub9e4\uccb4\uc5d0\uc11c\ub3c4 \ub9c8\ucc2c\uac00\uc9c0\uc785\ub2c8\ub2e4. \ube44\uc6a9\uc774 \ud6e8\uc52c \uc800\ub834\ud55c 2\ub4f1\uae09\uc774 \uc62c\ubc14\ub978 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc720\uae30\uc0b0\uc740 \uc801\ub2f9\ud55c \uc628\ub3c4\uc5d0\uc11c \ud76c\uc11d\ud558\uc2ed\uc2dc\uc624.<\/strong> \uc800\ub18d\ub3c4 \uc870\uac74\uc5d0\uc11c, \uadf8\ub9ac\uace0 \ube44\ub4f1\uc810\ubcf4\ub2e4 \ud6e8\uc52c \ub0ae\uc740 \uc628\ub3c4\uc5d0\uc11c\ub294 \uc720\uae30\uc0b0 \ub0b4 2\ub4f1\uae09 \uc7ac\uc9c8\uc758 \ubd80\uc2dd \uc18d\ub3c4\uac00 \ub300\uac1c \ud5c8\uc6a9 \uac00\ub2a5\ud55c \uc218\uc900\uc785\ub2c8\ub2e4. 10% \ub18d\ub3c4\uc758 50\u00b0C \ud3ec\ub984\uc0b0 \uc720\ub3d9\uc740 50% \ub18d\ub3c4\uc758 \ud3ec\ub984\uc0b0\uc744 \ub053\uc774\ub294 \uac83\uacfc\ub294 \uc804\ud600 \ub2e4\ub978 \uc0c1\ud669\uc785\ub2c8\ub2e4. \ubb34\uc791\uc815 7\ub4f1\uae09\uc744 \uc120\ud0dd\ud558\uae30 \uc804\uc5d0, \uad6c\uccb4\uc801\uc778 \uc6b4\uc804 \uc870\uac74\uc744 \ubd80\uc2dd \ub370\uc774\ud130\uc640 \ub300\uc870\ud558\uc5ec \uac80\ud1a0\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

\ud574\uc218, \uc5fc\uc218 \ubc0f \uc5fc\ud654\ubb3c \ud658\uacbd.<\/strong> \uc911\uc131 pH\uc758 \ud574\uc218 \ubc0f \uc5fc\uc218 \ud658\uacbd\uc5d0\uc11c\ub294 \ub450 \ub4f1\uae09 \ubaa8\ub450 \uc0ac\uc2e4\uc0c1 \ubd80\uc2dd\uc5d0 \uc601\ud5a5\uc744 \ubc1b\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc0b0\ud654\ub9c9\uc774 \uc548\uc815\uc801\uc774\uba70, \ubd80\uc2dd \uc18d\ub3c4\ub294 \ubb34\uc2dc\ud560 \uc218 \uc788\uc744 \uc815\ub3c4\ub85c \ub0ae\uace0, \ud2c8\uc0c8 \ubd80\uc2dd \uc704\ud5d8\uc740 \ub450 \ub4f1\uae09 \ubaa8\ub450\uc5d0\uc11c \uc2e4\uc81c\ub85c \uc874\uc7ac\ud558\uc9c0\ub9cc, \ud45c\uc900 \ud574\uc591 \uc0ac\uc6a9 \uc628\ub3c4 \ubc94\uc704\uc5d0\uc11c\ub294 \ub450 \ub4f1\uae09 \uac04\uc5d0 \ud070 \ucc28\uc774\uac00 \ub098\ud0c0\ub098\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 2\ub4f1\uae09\uc740 \ud574\uc218\uc6a9 \ud574\uc591 \uc5f4\uad50\ud658\uae30\uc5d0\uc11c \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uc18c\uc7ac\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc54c\uce7c\ub9ac\uc131 \ud658\uacbd.<\/strong> \uac15\uc54c\uce7c\ub9ac(\uac00\uc131\uc18c\ub2e4, \uc218\uc0b0\ud654\uce7c\ub968)\ub294 \ub450 \ub4f1\uae09 \ubaa8\ub450\uc5d0 \uc788\uc5b4 \ubb38\uc81c\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. 2\ub4f1\uae09\uc740 \uc774\ub97c \uc798 \uacac\ub514\uba70, 7\ub4f1\uae09\uc5d0 \ucca8\uac00\ub41c \ud314\ub77c\ub4d0\uc740 \uc774 \ubd80\ubd84\uc5d0\uc11c \ubd80\uc2dd \uc131\ub2a5\uc5d0 \uc544\ubb34\ub7f0 \uae30\uc5ec\ub3c4 \ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc608\uc0c1 \uc218\uba85\uc774 \ube44\uad50\uc801 \uc9e7\uc740, \ube44\uc6a9\uc5d0 \ubbfc\uac10\ud55c \uc751\uc6a9 \ubd84\uc57c.<\/strong> \uc77c\ubd80 \uacf5\uc815 \ud658\uacbd\uc5d0\uc11c\ub294 \ubd80\uc2dd\ub41c \ubd80\ud488\uc744 \uc8fc\uae30\uc801\uc73c\ub85c \uad50\uccb4\ud558\ub294 \uc0ac\ud56d\uc774 \uc720\uc9c0\ubcf4\uc218 \uc77c\uc815\uc5d0 \ubc18\uc601\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, 2\ub4f1\uae09 \uc18c\uc7ac\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub85c \uc778\ud574 \ubd80\ud488 \uc218\uba85\uc774 3~5\ub144 \uc815\ub3c4\uc774\uba70, \uc774\uac83\uc774 \uacc4\ud68d\ub41c \uc815\ube44 \uc8fc\uae30(\ud134\uc5b4\ub77c\uc6b4\ub4dc)\uc640 \uc77c\uce58\ud558\ub294 \uacbd\uc6b0, \ub2e8\uc21c\ud788 \uc218\uba85\uc744 \uc5f0\uc7a5\ud558\uae30 \uc704\ud574 7\ub4f1\uae09 \uc18c\uc7ac\ub97c \uc9c0\uc815\ud55c\ub2e4\uace0 \ud574\uc11c \ud22c\uc790 \ub300\ube44 \uae0d\uc815\uc801\uc778 \uc131\uacfc\ub97c \uc5bb\uc9c0 \ubabb\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc2e4\uc6a9\uc801\uc778 \uacb0\uc815 \uaddc\uce59:<\/strong> \uacf5\uc815 \ud654\ud559 \ubb3c\uc9c8\uc774 \ud658\uc6d0\uc131 \uc0b0 \uacc4\uc5f4(HCl, H\u2082SO\u2084, H\u2083PO\u2084, \uc720\uae30\uc0b0)\uc5d0 \uc18d\ud558\uc9c0 \uc54a\uac70\ub098, \ud574\ub2f9 \uacc4\uc5f4\uc5d0 \uc18d\ud558\ub354\ub77c\ub3c4 \ub18d\ub3c4\uac00 \ub0ae\uace0 \uc628\ub3c4\uac00 \uc801\ub2f9\ud55c \uc218\uc900(2\ub4f1\uae09 \ubd80\uc2dd \uc18d\ub3c4\uac00 0.25 mm\/yr \ubbf8\ub9cc\uc778 \uacbd\uc6b0)\uc774\ub77c\uba74 2\ub4f1\uae09\uc73c\ub85c \ucda9\ubd84\ud569\ub2c8\ub2e4. \ub370\uc774\ud130(\ud2b9\ud788 \ud574\ub2f9 \uc0b0\uc5d0\uc11c \uc791\ub3d9 \uc628\ub3c4 \uc870\uac74 \ud558\uc758 \ubd80\uc2dd \uc18d\ub3c4)\uac00 \uc774\ub97c \ub4b7\ubc1b\uce68\ud558\ub294 \uacbd\uc6b0\uc5d0\ub9cc \uc0ac\uc591\uc5d0 7\ub4f1\uae09\uc744 \ucd94\uac00\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

7\ub4f1\uae09\uc774 \uadf8 \uac00\uce58\ub97c \uc785\uc99d\ud558\ub294 \uc801\uc6a9 \ubd84\uc57c<\/h2>\n\n\n\n

\uc0ac\uc6a9 \uc870\uac74\uc774 \uba85\ubc31\ud788 \ud658\uc6d0\uc131 \uc0b0 \ubc94\uc8fc\uc5d0 \uc18d\ud560 \uacbd\uc6b0, 7\ub4f1\uae09\uc758 \ucd94\uac00 \ube44\uc6a9\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc218\uba85 \uc8fc\uae30 \uad00\uc810\uc5d0\uc11c \uc27d\uac8c \uc815\ub2f9\ud654\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubd80\uc2dd\ub41c \uc6a9\uae30\ub85c \uc778\ud574 \ubc1c\uc0dd\ud558\ub294 \uad50\uccb4 \ube44\uc6a9, \uacf5\uc815 \uac00\ub3d9 \uc911\ub2e8 \uc2dc\uac04, \uc81c\ud488 \uc624\uc5fc \uc704\ud5d8 \ub4f1\uc774 \ubaa8\ub450 \ud574\ub2f9 \uacc4\uc0b0\uc5d0 \ubc18\uc601\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5fc\uc18c-\uc54c\uce7c\ub9ac \ubc0f \uc5fc\uc18c \ud654\ud559.<\/strong> \uc5fc\uc18c \uc0dd\uc0b0 \uacf5\uc815\uc5d0\uc11c \uc140 \uad6c\uc131 \uc694\uc18c, \uc591\uadf9 \uc5b4\uc148\ube14\ub9ac \ubc0f \ubc30\uad00\uc740 \uc2b5\uc2dd \uc5fc\uc18c \uac00\uc2a4\uc640 \uc5fc\uc0b0 \uc720\uccb4 \ubaa8\ub450\uc5d0 \ub178\ucd9c\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc0ac\uc6a9 \ud658\uacbd\uc758 \uc0c1\ub2f9\uc218\uc5d0\uc11c \ub4f1\uae09 7\uc774 \ud45c\uc900 \uc7ac\ub8cc \uc0ac\uc591\uc73c\ub85c \uc801\uc6a9\ub429\ub2c8\ub2e4. \uc2b5\uc2dd \uc5fc\uc18c, HCl \ubc0f \uc5fc\uc218\uac00 \uc628\ub3c4 \ubcc0\ud654\uc640 \uacb0\ud569\ub418\uc5b4 \ubc1c\uc0dd\ud558\ub294 \ud658\uacbd\uc740, \uc811\ucd09 \ud45c\uba74\uc758 \ub4f1\uae09 2 \uc7ac\uc9c8\uc5d0 \ub300\ud574\uc11c\ub294 \ubd80\uc2dd\uc131\uc774 \ub108\ubb34 \uac15\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud654\ud559 \uacf5\uc815\uc6a9 \ubc18\uc751\uae30 \ubc0f \uc624\ud1a0\ud074\ub808\uc774\ube0c.<\/strong> \ud658\uc6d0\uc131 \uc0b0 \ubd84\ud574\ub97c \uc218\ud589\ud558\ub294 \ubc18\uc751\uae30 \uc6a9\uae30 \u2014 \ub2c8\ucf08, \ucf54\ubc1c\ud2b8 \ubc0f \uad6c\ub9ac \ud68c\uc218\ub97c \uc704\ud55c \uc218\ub825\uc57c\uae08\ud559\uc801 \uc0b0 \uce68\ucd9c \ud68c\ub85c\uac00 \ub300\ud45c\uc801\uc778 \uc608\uc785\ub2c8\ub2e4 \u2014 \ub294 7\ub4f1\uae09\uc758 \uc0ac\uc6a9 \uac00\ub2a5 \ubc94\uc704\uc5d0 \uc815\ud655\ud788 \ud574\ub2f9\ud558\ub294 \ub18d\ub3c4\uc758 HCl \ub610\ub294 H\u2082SO\u2084\ub97c \uc0ac\uc6a9\ud558\uc5ec \uace0\uc628\uc5d0\uc11c \uc791\ub3d9\ud569\ub2c8\ub2e4. 2010\ub144\uc5d0 \uc218\ud589\ub41c \ub2c8\ucf08 \uc0b0 \uce68\ucd9c \uacf5\uc815\uc5d0\uc11c Ti-2\uc640 Ti-7\uc5d0 \ub300\ud55c \ubd80\uc2dd \uc5f0\uad6c(Vaughan, ScienceDirect)\uc5d0 \ub530\ub974\uba74, \ub450 \uc18c\uc7ac\ub294 \ud45c\uba74 \ud615\ud0dc\uc640 \ubd80\uc2dd \uac70\ub3d9\uc5d0\uc11c \ud604\uc800\ud55c \ucc28\uc774\ub97c \ubcf4\uc600\uc73c\uba70, Ti-2\uc5d0\uc11c \uc2ec\ud55c \ud45c\uba74 \uac70\uce60\uc5b4\uc9d0\uacfc \uacb0\uc815\uacc4 \ubd80\uc2dd\uc774 \ubc1c\uc0dd\ud558\ub294 \uc870\uac74\uc5d0\uc11c\ub3c4 Ti-7\uc740 \ub9e4\ub044\ub7ec\uc6b4 \ud45c\uba74\uc744 \uc720\uc9c0\ud558\uace0 \uae08\uc18d \uc190\uc2e4\ub3c4 \ud604\uc800\ud788 \ub0ae\uac8c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc5f4\uad50\ud658\uae30.<\/strong> ASTM B338 \uaddc\uaca9\uc740 \ud2f0\ud0c0\ub284 \uc5f4\uad50\ud658\uae30 \ud29c\ube0c \uc804\uc6a9\uc73c\ub85c \uc81c\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \uc0b0\uc131 \ud658\uacbd\uc758 \uc751\ucd95\uae30 \ubc0f \uc5f4\uad50\ud658\uae30\uc5d0 \uc801\uc6a9\ub418\uba70, \ud2b9\ud788 \uc258 \uce21 \ub610\ub294 \ud29c\ube0c \uce21 \uc720\uccb4\uac00 \ud658\uc6d0\uc131 \uc0b0 \uacf5\uc815 \uc720\uccb4\uc778 \uacbd\uc6b0, \ub610\ub294 \uc124\ube44\uac00 \ud658\uc6d0\uc131 \ubc0f \uc0b0\ud654\uc131 \ud654\ud559 \ubc18\uc751\uc774 \ubc88\uac08\uc544 \ubc1c\uc0dd\ud558\ub294 \uad50\ub300 \uc791\ub3d9 \uc870\uac74\uc744 \ucc98\ub9ac\ud558\ub294 \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc81c\uc57d \ubc0f \uc815\ubc00 \ud654\ud559 \uc81c\ud488 \uc0dd\uc0b0.<\/strong> \uc81c\uc57d \ud569\uc131 \uacf5\uc815\uc5d0\uc11c \uc0b0 \ubd84\ud574 \uc6a9\uae30 \ubc0f \uacf5\uc815 \ubc30\uad00\uc5d0\ub294 \uc885\uc885 \ub053\ub294\uc810\uc5d0 \uac00\uae4c\uc6b4 \uc628\ub3c4\uc5d0\uc11c \ud3ec\ub984\uc0b0, \uc625\uc0b4\uc0b0 \ub610\ub294 \ud76c\uc11d \uc5fc\uc0b0\uc774 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc81c\ud488 \uc21c\ub3c4 \uc694\uac74\uc73c\ub85c \uc778\ud574 \uae08\uc18d \uc624\uc5fc\uc740 \uc808\ub300 \ud5c8\uc6a9\ub420 \uc218 \uc5c6\uc73c\ubbc0\ub85c, \ubd80\uc2dd \uc18d\ub3c4\uac00 \uac70\uc758 \uc218\ub3d9 \uc0c1\ud0dc\uc5d0 \uac00\uae4c\uc6cc\uc57c \ud560 \ud544\uc694\uc131\uc774 \ub354\uc6b1 \uac15\uc870\ub429\ub2c8\ub2e4. \uc774 \uacbd\uc6b0 \ub4f1\uae09 7\uc774 \uc801\uc808\ud55c \uc0ac\uc591\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub300\uae30 \uc624\uc5fc \ubc29\uc9c0.<\/strong> SO\u2082 \ubc0f HCl \uac00\uc2a4 \ud750\ub984\uc744 \ucc98\ub9ac\ud558\ub294 \uc2b5\uc2dd \uc2a4\ud06c\ub7ec\ubc84, \ud2b9\ud788 \uc0b0\uc131 \uc138\uc815\uc561\uc744 \uc0ac\uc6a9\ud558\ub294 \uc2a4\ud06c\ub7ec\ubc84\uc758 \uacbd\uc6b0, 2\ub4f1\uae09 \uc7ac\uc9c8\uc5d0\uc11c \ubd80\uc2dd \uc774\ub825\uc774 \uae30\ub85d\ub41c \uc0ac\uc6a9 \uc870\uac74\uc774 \ub098\ud0c0\ub0a9\ub2c8\ub2e4. \uc2a4\ud06c\ub7ec\ubc84 \ub0b4\ubd80 \uad6c\uc870\ubb3c \ubc0f \ucda9\uc9c4\uce35 \uc9c0\uc9c0\ub300\uc5d0\ub294 \uc77c\ubc18\uc801\uc73c\ub85c 7\ub4f1\uae09 \uc7ac\uc9c8\uc774 \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

AS1210\/ASME \uc555\ub825 \uc6a9\uae30, \ucd5c\ub300 300\u00b0C\uae4c\uc9c0 \uc0ac\uc6a9 \uac00\ub2a5.<\/strong> \ub450 \uaddc\uaca9 \ubaa8\ub450 300\u00b0C \uc774\ud558\uc758 \uc555\ub825 \uc6a9\uae30 \uc81c\uc791\uc5d0 \uadf8\ub808\uc774\ub4dc 7(ASME BPVC)\uc744, 325\u00b0C \uc774\ud558\uc758 \ud30c\uc774\ud504\uc5d0 \uadf8\ub808\uc774\ub4dc 7(AS4041 \uc555\ub825 \ubc30\uad00)\uc744 \uc0ac\uc804 \uc2b9\uc778\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ub418\ub294 \uc555\ub825 \uc6a9\uae30\ub97c \uc774\ub7ec\ud55c \uaddc\uaca9\uc5d0 \ub530\ub77c \uc124\uacc4\ud560 \uacbd\uc6b0, 7\ub4f1\uae09\uc740 \uc561\uccb4\uc5d0 \uc9c1\uc811 \uc811\ucd09\ud558\ub294 \uc555\ub825 \uc6a9\uae30 \ubd80\ud488\uc5d0 \ub300\ud55c \ub2f9\uc5f0\ud55c \uc9c0\uc815 \ub4f1\uae09\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0 \ub4f1\uae09 \uc81c\ud488\uad70 \u2014 7, 11, 16 \ubc0f 12 \ub4f1\uae09<\/h2>\n\n\n\n

7\ub4f1\uae09\uc744 \uac80\ud1a0\ud558\uace0 \uc788\ub2e4\uba74, \ub2e4\ub978 \ud314\ub77c\ub4d0 \ud568\uc720 \ub4f1\uae09\uacfc \ubab0\ub9ac\ube0c\ub374-\ub2c8\ucf08 \ub300\uccb4\uc7ac(12\ub4f1\uae09)\uc5d0 \ub300\ud574\uc11c\ub3c4 \uc54c\uc544\ub450\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc65c\ub0d0\ud558\uba74 \u201c\uadf8\ub0e5 7\ub4f1\uae09\uc744 \uc0ac\uc6a9\ud558\uba74 \ub41c\ub2e4\u201d\ub294 \ub2f5\ubcc0\uc774 \ub54c\ub85c\ub294 \uac00\uc7a5 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ud574\uacb0\ucc45\uc774 \uc544\ub2d0 \uc218 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub4f1\uae09<\/th>\uc8fc\uc694 \ud569\uae08 \uc6d0\uc18c \ucca8\uac00<\/th>Pd \ud568\ub7c9<\/th>\uae30\ubcf8 \ud798<\/th>\uc8fc\uc694 \uc0ac\uc6a9 \uc0ac\ub840<\/th><\/tr><\/thead>
7\ud559\ub144<\/strong><\/td>0.12\u20130.25% Pd<\/td>\uc804\uccb4 \ub77c\uc778\uc5c5<\/td>CP-Ti (2\ub4f1\uae09\uc5d0 \ud574\ub2f9)<\/td>\ud658\uc6d0\uc131 \uc0b0, \ud2c8\uc0c8 \ud658\uacbd, \ud45c\uc900 \uc6a9\ub3c4<\/td><\/tr>
11\ud559\ub144<\/strong><\/td>0.12\u20130.25% Pd<\/td>\uc804\uccb4 \ub77c\uc778\uc5c5<\/td>CP-Ti (1\ub4f1\uae09 \ubca0\uc774\uc2a4 \u2014 \ub0ae\uc740 \uc0b0\uc18c \ud568\ub7c9)<\/td>1\ub4f1\uae09\uc758 Pd \ubcc0\ud615\uc7ac; 7\ub4f1\uae09\uacfc \ub3d9\uc77c\ud55c \ub0b4\uc2dd\uc131\uc744 \uac00\uc9c0\uba70, \uac15\ub3c4\ub294 \uc57d\uac04 \ub0ae\uc74c<\/td><\/tr>
16\ud559\ub144<\/strong><\/td>0.04\u20130.08% Pd<\/td>\ud560\uc778<\/td>CP-Ti<\/td>\ubcf4\ub2e4 \uc628\ud654\ud55c \ud658\uc6d0 \uc870\uac74\uc5d0\uc11c 7\uae09\uc5d0 \ub300\ud55c \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ub300\uc548<\/td><\/tr>
12\ud559\ub144<\/strong><\/td>0.3% Mo + 0.8% Ni<\/td>\uc5c6\uc74c<\/td>2\ub4f1\uae09\ubcf4\ub2e4 \ub192\uc74c<\/td>\uace0\uc628 \uc5fc\uc218\uc5d0\uc11c\uc758 \ud2c8\uc0c8 \ubd80\uc2dd; \ud314\ub77c\ub4d0(Pd) \ubbf8\uc0ac\uc6a9 (\ube44\uc6a9 \uc808\uac10, \ub2e4\ub978 \uc791\uc6a9 \uae30\uc804)<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

7\ud559\ub144 \ub300 11\ud559\ub144:<\/strong> \uc774 \ub450 \ub4f1\uae09\uc740 \ud314\ub77c\ub4d0 \ud568\ub7c9 \ubc94\uc704\uac00 \ub3d9\uc77c\ud558\ubbc0\ub85c \ub0b4\uc2dd\uc131\ub3c4 \ube44\uc2b7\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ucc28\uc774\uc810\uc740 \ubaa8\uc7ac\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. 11\ub4f1\uae09\uc740 1\ub4f1\uae09\uc5d0 \ub300\ud574 7\ub4f1\uae09\uc774 2\ub4f1\uae09\uc5d0 \ud574\ub2f9\ud558\ub294 \uad00\uacc4\uc640 \uac19\uc2b5\ub2c8\ub2e4. \ub458 \ub2e4 \ud314\ub77c\ub4d0\uc744 \ud568\uc720\ud55c \ubcc0\uc885\uc774\uc9c0\ub9cc, \uc0b0\uc18c \ud568\ub7c9 \uc218\uc900\uc774 \ub2e4\ub985\ub2c8\ub2e4. 11\ub4f1\uae09\uc740 1\ub4f1\uae09 \ubaa8\uc7ac(\uc0b0\uc18c \ud568\ub7c9\uc774 \ub354 \ub0ae\uc74c, \ucd5c\ub300 \uc0b0\uc18c \ud568\ub7c9 ~0.18% vs 2\ub4f1\uae09\uc758 \ucd5c\ub300 0.25%)\ub97c \uc0ac\uc6a9\ud558\ubbc0\ub85c, \uc0bd\uc785\uac15\ub3c4\uac00 \uc57d\uac04 \ub0ae\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c \ubd80\uc2dd \uc131\ub2a5\uc758 \ucc28\uc774\ub294 \ubbf8\ubbf8\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc0b0\uc131 \ud658\uacbd \uc6a9\ub3c4\uc5d0\uc11c, \ubd80\uc2dd \uad00\uc810\uc5d0\uc11c \ubcfc \ub54c \ub4f1\uae09 7\uacfc \ub4f1\uae09 11\uc740 \uc0c1\ud638 \ub300\uccb4 \uac00\ub2a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144 \ub300 16\ud559\ub144:<\/strong> 16\ub4f1\uae09\uc740 0.04\u20130.08% Pd\ub9cc\uc744 \ud568\uc720\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 7\ub4f1\uae09\uc758 \ud558\ud55c\uce58\uc758 \ub300\ub7b5 \uc808\ubc18 \uc218\uc900\uc785\ub2c8\ub2e4. \ud658\uc6d0\uc131 \uc0b0\uc5d0\uc11c\uc758 \ub0b4\uc2dd\uc131\uc740 2\ub4f1\uae09\ubcf4\ub2e4 \ud5a5\uc0c1\ub418\uc5c8\uc73c\ub098, 7\ub4f1\uae09\ub9cc\ud07c \uac15\ub825\ud558\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4. 16\ub4f1\uae09\uc740 7\ub4f1\uae09\uc758 \uc804\uccb4 \uc131\ub2a5 \uc5ec\uc720\uac00 \ud544\uc694 \uc774\uc0c1\uc778 \ud658\uacbd\uc5d0\uc11c \ube44\uc6a9\uc744 \uc808\uac10\ud558\uae30 \uc704\ud55c \uc870\uce58\uc785\ub2c8\ub2e4. \ud2b9\uc815 \uc870\uac74\uc5d0\uc11c 16\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\uac00 0.1 mm\/yr \ubbf8\ub9cc\uc73c\ub85c \uc548\uc804\ud558\uac8c \uc720\uc9c0\ub41c\ub2e4\uba74, 7\ub4f1\uae09\uc5d0 \ube44\ud574 \uc0c1\ub2f9\ud55c \ube44\uc6a9 \uc808\uac10 \ud6a8\uacfc\ub97c \uae30\ub300\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144 \ub300 12\ud559\ub144:<\/strong> 12\ub4f1\uae09\uc740 \uc644\uc804\ud788 \ub2e4\ub978 \uc811\uadfc \ubc29\uc2dd\uc744 \ucde8\ud558\ub294\ub370, \ud314\ub77c\ub4d0 \ub300\uc2e0 \ubab0\ub9ac\ube0c\ub374\uacfc \ub2c8\ucf08\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 12\ub4f1\uae09\uc740 2\ub4f1\uae09\ubcf4\ub2e4 \uac15\ub3c4\uac00 \ub192\uc73c\uba70(\uc778\uc7a5 \uac15\ub3c4 \u2265 483 MPa \ub300 345 MPa), \uace0\uc628 \uc911\uc131 pH \uc5fc\ud654\ubb3c \ud658\uacbd\uc5d0\uc11c \ub354 \uc6b0\uc218\ud55c \ud2c8\uc0c8 \ubd80\uc2dd \uc800\ud56d\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud658\uc6d0\uc131 \uc0b0 \ud658\uacbd\uc5d0\uc11c\uc758 \uc131\ub2a5\uc740 7\ub4f1\uae09\uc5d0 \ubbf8\uce58\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \uc0b0\uc5d0 \ud06c\uac8c \ub178\ucd9c\ub418\uc9c0 \uc54a\ub294 \uace0\uc628 \uc5fc\uc218 \ud658\uacbd\uc5d0\uc11c \ud2c8\uc0c8 \ubd80\uc2dd\uc774 \uc8fc\uc694 \uc6b0\ub824 \uc0ac\ud56d\uc774\ub77c\uba74, 12\ub4f1\uae09\uc774 \ube44\uc6a9 \ud6a8\uc728\uc131\uc774 \ub354 \ub192\uc744 \ubfd0\ub9cc \uc544\ub2c8\ub77c \uac15\ub3c4 \uba74\uc5d0\uc11c\ub3c4 \uc774\uc810\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc9c4\uc815\ud55c \ud658\uc6d0\uc131 \uc0b0 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uc5d0\ub294 7\ub4f1\uae09\uc774 \uc62c\ubc14\ub978 \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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

2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uacfc 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc758 \ucc28\uc774\uc810\uc740 \ubb34\uc5c7\uc778\uac00\uc694?<\/strong>
7\ub4f1\uae09\uc740 2\ub4f1\uae09\uc5d0 0.12\u20130.25%\uc758 \ud314\ub77c\ub4d0\uc744 \ucca8\uac00\ud55c \uac83\uc785\ub2c8\ub2e4. \ub450 \ub4f1\uae09 \ubaa8\ub450 \uc0c1\uc5c5\uc6a9 \uc21c\uc218 \uc54c\ud30c \ud2f0\ud0c0\ub284\uc73c\ub85c, \uae30\uacc4\uc801 \ud2b9\uc131, \ubc00\ub3c4 \ubc0f \uc6a9\uc811\uc131\uc774 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc720\uc77c\ud55c \uae30\ub2a5\uc801 \ucc28\uc774\ub294 \ub0b4\uc2dd\uc131\uc785\ub2c8\ub2e4: \uadf8\ub808\uc774\ub4dc 7\uc740 \ud314\ub77c\ub4d0 \ucd09\ub9e4\uc5d0 \uc758\ud55c \uc804\uae30\ud654\ud559\uc801 \uae30\uc804\uc744 \ud1b5\ud574 \ud658\uc6d0\uc131 \uc0b0(HCl, H\u2082SO\u2084, \uc720\uae30\uc0b0)\uc5d0 \ub300\ud55c \ub0b4\uc2dd\uc131\uc774 \uadf8\ub808\uc774\ub4dc 2\ubcf4\ub2e4 \ud604\uc800\ud788 \uc6b0\uc218\ud558\uba70, \uc774\ub85c \uc778\ud574 \uadf8\ub808\uc774\ub4dc 2\uac00 \uc5f0\uac04 10\u201350 mm \uc774\uc0c1\uc758 \uc18d\ub3c4\ub85c \ubd80\uc2dd\ub418\ub294 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uae08\uc18d\uc774 \uc790\uac00 \ud328\uc2dc\ubca0\uc774\uc158\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc5fc\uc0b0 \uc0ac\uc6a9 \ud658\uacbd\uc5d0\ub294 \uc5b4\ub5a4 \ud2f0\ud0c0\ub284 \ub4f1\uae09\uc774 \uac00\uc7a5 \uc801\ud569\ud560\uae4c\uc694?<\/strong>
HCl \uc0ac\uc6a9 \ud658\uacbd\uc5d0\uc11c\ub294 7\ub4f1\uae09\uc774 \ud45c\uc900 \uad8c\uc7a5 \uc0ac\uc591\uc785\ub2c8\ub2e4. \uc2e4\uc628\uc5d0\uc11c 2\ub4f1\uae09\uc740 \uc57d 7% HCl\ub85c \uc0ac\uc6a9\uc774 \uc81c\ud55c\ub418\ub294 \ubc18\uba74, 7\ub4f1\uae09\uc740 \uadf8 \ud55c\uacc4\ub97c \uc57d 27%\uae4c\uc9c0 \ud655\uc7a5\ud569\ub2c8\ub2e4. \ube44\ub4f1 \uc628\ub3c4\uc5d0\uc11c 5% \ub18d\ub3c4\uc758 \uc5fc\uc0b0(HCl) \uc6a9\uc561 \ub0b4\uc5d0\uc11c\ub294 2\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\uac00 \uc5f0\uac04 10 mm \uc774\uc0c1\uc778 \ubc18\uba74, 7\ub4f1\uae09\uc740 \uc5f0\uac04 0.18 mm\uc5d0 \uadf8\uce69\ub2c8\ub2e4. 10% \uc774\uc0c1\uc758 \ub18d\ub3c4(190\u00b0C)\uc758 \uc5fc\uc0b0 \ud658\uacbd\uc5d0\uc11c\ub294 \uace0\uc628 \uc870\uac74\uc5d0\uc11c Grade 7\uc758 \ub0b4\uc2dd\uc131\uc870\ucc28\ub3c4 \ud604\uc800\ud788 \uc800\ud558\ub418\ubbc0\ub85c, \uc774\ub7ec\ud55c \uadf9\ud55c \uc870\uac74\uc5d0\uc11c\ub294 Hastelloy C-276 \ub610\ub294 \uc774\uc640 \uc720\uc0ac\ud55c \ud569\uae08\uc744 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \uadf8 \uac00\uaca9 \ucc28\uc774\ub97c \uac10\uc218\ud560 \ub9cc\ud55c \uac00\uce58\uac00 \uc788\uc744\uae4c\uc694?<\/strong>
\uc774\ub294 \uc804\uc801\uc73c\ub85c \uc0ac\uc6a9 \ud658\uacbd\uc5d0 \ub2ec\ub824 \uc788\uc2b5\ub2c8\ub2e4. \uc57d\uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uadf8\ub808\uc774\ub4dc 7\uc740 \uc6a9\uae30 \uad50\uccb4, \uacf5\uc815 \uac00\ub3d9 \uc911\ub2e8 \ubc0f \uc7a0\uc7ac\uc801\uc778 \uc624\uc5fc \uc0ac\uace0\ub97c \ucd08\ub798\ud560 \uc218 \uc788\ub294 \uce58\uba85\uc801\uc778 \ubd80\uc2dd \uace0\uc7a5\uc744 \ubc29\uc9c0\ud558\ubbc0\ub85c, \uc218\uba85 \uc8fc\uae30 \ube44\uc6a9 \uce21\uba74\uc5d0\uc11c \uadf8\ub808\uc774\ub4dc 7\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc774 \ud6e8\uc52c \uc720\ub9ac\ud569\ub2c8\ub2e4. \ube44\uc0b0\uc131 \ub610\ub294 \ube44\uc0b0\ud654\uc131 \ud658\uacbd\uc5d0\uc11c\ub294 \uadf8\ub808\uc774\ub4dc 7\uc774 \uadf8\ub808\uc774\ub4dc 2\uc5d0 \ube44\ud574 \ubd80\uc2dd \ubc29\uc9c0 \uce21\uba74\uc5d0\uc11c \ucd94\uac00\uc801\uc778 \uc774\uc810\uc744 \uc804\ud600 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc73c\uba70, 3~5\ubc30\uc5d0 \ub2ec\ud558\ub294 \ube44\uc6a9 \ucc28\uc774\ub294 \uc21c\uc804\ud788 \ubd88\ud544\uc694\ud55c \uc9c0\ucd9c\uc5d0 \ubd88\uacfc\ud569\ub2c8\ub2e4. \ub2e8\uc21c\ud788 \u201c\ub354 \uc88b\uc740\u201d \uc7ac\ub8cc\ub97c \uc120\ud638\ud558\ub294 \uc77c\ubc18\uc801\uc778 \uae30\uc900\uc774 \uc544\ub2c8\ub77c, \uc0ac\uc6a9 \ud658\uacbd\uc758 \ud654\ud559\uc801 \ud2b9\uc131\uc5d0 \ub9de\ucdb0 \uc7ac\uc9c8 \ub4f1\uae09\uc744 \uc120\uc815\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \ud669\uc0b0\uc744 \uacac\ub51c \uc218 \uc788\ub098\uc694?<\/strong>
2\ub4f1\uae09\uc740 \uace0\uc628\uc758 \ud669\uc0b0\uc5d0\uc11c \uc2ec\ud55c \ubd80\uc2dd\uc744 \uc77c\uc73c\ud0b5\ub2c8\ub2e4. \ub053\ub294 5% H\u2082SO\u2084\uc5d0\uc11c 2\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 \uc5f0\uac04 48 mm\uc5d0 \ub2ec\ud558\uc5ec \uc0ac\uc2e4\uc0c1 \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4. \uc2e4\uc628 \ubc0f \ub9e4\uc6b0 \ub0ae\uc740 \ub18d\ub3c4(\uc57d 5% \ubbf8\ub9cc)\uc5d0\uc11c\ub294 2\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\uac00 \ube44\uad50\uc801 \uc644\ub9cc\ud558\uc9c0\ub9cc, \uc791\ub3d9 \uc628\ub3c4\ub098 \ub18d\ub3c4\uac00 \ubcc0\ub3d9\ud560 \uacbd\uc6b0 \ud5c8\uc6a9 \uc624\ucc28 \ubc94\uc704\uac00 \ub9e4\uc6b0 \uc881\uc2b5\ub2c8\ub2e4. \uc2e4\uc9c8\uc801\uc778 H\u2082SO\u2084 \uc0ac\uc6a9 \ud658\uacbd\uc5d0\uc11c\ub294 7\ub4f1\uae09\uc774 \uc62c\ubc14\ub978 \uc0ac\uc591\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0\uc740 \ud2f0\ud0c0\ub284\uc758 \ud2c8\uc0c8 \ubd80\uc2dd\uc744 \ubc29\uc9c0\ud558\ub098\uc694?<\/strong>
\ub124, \uc0c1\ub2f9\ud55c \uc815\ub3c4\ub294 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ud2f0\ud0c0\ub284\uc758 \ud2c8\uc0c8 \ubd80\uc2dd\uc740 \ud2c8\uc0c8\uc5d0 \uace0\uc778 \uc720\uccb4 \ub0b4\uc758 \uc0b0\ud654\uc131 \ubb3c\uc9c8\uc774 \uace0\uac08\ub418\uc5b4 \uad6d\ubd80\uc801\uc778 \uc804\uae30\ud654\ud559\uc801 \ud658\uacbd\uc774 \ud658\uc6d0 \uc870\uac74\uc73c\ub85c \uc804\ud658\ub420 \ub54c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ud314\ub77c\ub4d0\uc758 \uc74c\uadf9 \ucd09\ub9e4 \ud6a8\uacfc\ub294 \uc774\ub7ec\ud55c \uad6d\ubd80\uc801\uc778 \ud658\uc6d0 \uc870\uac74\uc5d0\uc11c\ub3c4 \ub0b4\uc2dd\uc131\uc744 \uc720\uc9c0\uc2dc\ucf1c \uc8fc\uba70, \uc774\uac83\uc774 \ubc14\ub85c \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uac1c\uc2a4\ud0b7, \ud29c\ube0c-\ud29c\ube0c\uc2dc\ud2b8 \uc811\ud569\ubd80, \ubcfc\ud2b8\uc2dd \ud50c\ub79c\uc9c0\uac00 \uc0ac\uc6a9\ub418\ub294 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c 2\ub4f1\uae09\ubcf4\ub2e4 7\ub4f1\uae09\uc774 \uc120\ud638\ub418\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud658\uc6d0\uc131 \uc0b0\uc6a9 \uc5f4\uad50\ud658\uae30\uc5d0\ub294 \uc5b4\ub5a4 \ub4f1\uae09\uc758 \ud2f0\ud0c0\ub284\uc744 \uc9c0\uc815\ud574\uc57c \ud560\uae4c\uc694?<\/strong>
\ud29c\ube0c \ubc88\ub4e4\uc5d0\ub294 ASTM B338 \uaddc\uaca9\uc758 7\ub4f1\uae09(\uc774\uc74c\ub9e4 \uc5c6\ub294 \ud29c\ube0c \ub610\ub294 \uc6a9\uc811 \ud29c\ube0c)\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \uc258\uc758 \uacbd\uc6b0, \uc258 \uce21 \uc720\uccb4\uac00 \ud658\uc6d0\uc131 \uc0b0\uc774 \uc544\ub2cc \uacbd\uc6b0 ASTM B265(\ud310\uc7ac)\uc758 2\ub4f1\uae09\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc258 \uce21\uacfc \ud29c\ube0c \uce21 \ubaa8\ub450\uc5d0 \ud658\uc6d0\uc131 \uc0b0\uc774 \ud750\ub974\ub294 \uacbd\uc6b0\uc5d0\ub294 \uc804\uccb4\uc5d0 \uac78\uccd0 7\ub4f1\uae09\uc744 \uc9c0\uc815\ud558\uc2ed\uc2dc\uc624. \ud604\uc7a5 \uc6a9\uc811 \uc2dc\uc5d0\ub294 AWS ERTi-7 \uc6a9\uac00\uc7ac\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624.<\/p>\n\n\n\n

7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc758 UNS \uba85\uce6d\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong>
7\uae09 \ud2f0\ud0c0\ub284\uc740 UNS R52400\uc73c\ub85c \uc9c0\uc815\ub429\ub2c8\ub2e4. 2\uae09\uc740 UNS R50400\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ud559\ub144\uacfc 11\ud559\ub144\uc740 \uc11c\ub85c \ubc14\uafd4 \uc4f8 \uc218 \uc788\ub098\uc694?<\/strong>
\ub300\ubd80\ubd84\uc758 \uc0b0\uc131 \ud658\uacbd \uc801\uc6a9 \uc0ac\ub840\uc5d0\uc11c\ub294 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ub450 \uc81c\ud488 \ubaa8\ub450 0.12\u20130.25% Pd\ub97c \ud568\uc720\ud558\uace0 \uc788\uc73c\uba70, \uc720\uc0ac\ud55c \ub0b4\uc2dd\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. 11\ub4f1\uae09\uc740 1\ub4f1\uae09\uc5d0 \ub300\ud55c 7\ub4f1\uae09\uc758 \uad00\uacc4\uc640 \ub9c8\ucc2c\uac00\uc9c0\ub85c, \ub3d9\uc77c\ud55c \uae30\ubcf8 \uc0b0\uc18c \ub4f1\uae09\uc5d0 \uc18d\ud558\ub294 \ud314\ub77c\ub4d0 \ud568\uc720 \ubcc0\ud615\uc7ac\uc785\ub2c8\ub2e4. 11\ub4f1\uae09\uc740 \uc0bd\uc785 \uc0b0\uc18c \ud568\ub7c9\uc774 \ub354 \ub0ae\uae30 \ub54c\ubb38\uc5d0 7\ub4f1\uae09\ubcf4\ub2e4 \uac15\ub3c4\uac00 \uc57d\uac04 \ub0ae\uc2b5\ub2c8\ub2e4. 7\ub4f1\uae09\uc774 \uae30\uacc4\uc801 \uc694\uad6c \uc0ac\ud56d\uc744 \ucda9\uc871\ud558\ub294 \uacbd\uc6b0, \uc77c\ubc18\uc801\uc73c\ub85c \uc785\uc218\uc131\uc774 \ub354 \ub6f0\uc5b4\ub098\uae30 \ub54c\ubb38\uc5d0 7\ub4f1\uae09\uc774 \uc120\ud638\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc694\uc57d<\/h2>\n\n\n\n

7\ub4f1\uae09\uacfc 2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \ud55c \uac00\uc9c0, \uc989 \ud314\ub77c\ub4d0\uc744 \uc81c\uc678\ud558\uba74 \ub3d9\uc77c\ud55c \uc18c\uc7ac\uc785\ub2c8\ub2e4. \ud314\ub77c\ub4d0\uc744 \ucca8\uac00\ud558\uba74 \ube44\uc6a9\uc774 \uc0c1\ub2f9\ud788 \ub354 \ub4e4\uc9c0\ub9cc, \ud2b9\uc815 \uc131\ub2a5 \ubd80\ubb38\uc778 \ud658\uc6d0\uc131 \uc0b0\uc5d0 \ub300\ud55c \ub0b4\uc131\uc5d0\uc11c \ud68d\uae30\uc801\uc778 \uac1c\uc120\uc744 \uac00\uc838\uc635\ub2c8\ub2e4. \ub053\ub294 HCl \ubc0f H\u2082SO\u2084 \ud658\uacbd\uc5d0\uc11c 7\ub4f1\uae09\uc758 \ubd80\uc2dd \uc18d\ub3c4\ub294 2\ub4f1\uae09\ubcf4\ub2e4 50~300\ubc30 \ub354 \ub290\ub9bd\ub2c8\ub2e4. \uc0b0\ud654 \ud658\uacbd, \uc5fc\uc218 \ud658\uacbd \ubc0f \uc54c\uce7c\ub9ac\uc131 \uc870\uac74\uc5d0\uc11c\ub294 \ub450 \ub4f1\uae09\uc758 \uc131\ub2a5\uc774 \ub3d9\uc77c\ud558\ubbc0\ub85c 2\ub4f1\uae09\uc774 \ud655\uc2e4\ud55c \uc120\ud0dd\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacb0\uc815 \uae30\uc900\uc740 \uac04\ub2e8\ud569\ub2c8\ub2e4. \uacf5\uc815 \uc2a4\ud2b8\ub9bc\uc5d0\uc11c \uc8fc\uc694 \ubd80\uc2dd \ubb3c\uc9c8\uc744 \ud30c\uc545\ud558\uace0, \ud574\ub2f9 \uc0b0\uc758 \uc791\ub3d9 \uc628\ub3c4 \ubc0f \ub18d\ub3c4 \uc870\uac74\uc5d0\uc11c \ubd80\uc2dd \uc18d\ub3c4\ub97c \ud655\uc778\ud55c \ub4a4, \ubd80\uc2dd \uc18d\ub3c4\uac00 0.1 mm\/yr \ubbf8\ub9cc\uc774\uba74\uc11c \ucda9\ubd84\ud55c \uc5ec\uc720\ub97c \ud655\ubcf4\ud560 \uc218 \uc788\ub294 \ub4f1\uae09\uc744 \uc120\ud0dd\ud558\uba74 \ub429\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \ub4f1\uae09 2\ub85c \ud310\uba85\ub41c\ub2e4\uba74, \ub4f1\uae09 7\uc5d0 \ub300\ud55c \ucd94\uac00 \ube44\uc6a9\uc744 \uc9c0\ubd88\ud558\uc9c0 \ub9c8\uc2ed\uc2dc\uc624. \ub4f1\uae09 7\ub85c \ud310\uba85\ub41c\ub2e4\uba74, \uc218\uba85 \uc8fc\uae30 \ube44\uc6a9 \uce21\uba74\uc5d0\uc11c \ubcfc \ub54c \uc870\uae30 \uc7a5\ube44 \uace0\uc7a5\uc73c\ub85c \uc778\ud55c \ube44\uc6a9\ubcf4\ub2e4 \ub192\uc740 \uac00\uaca9\uc744 \uc9c0\ubd88\ud558\ub294 \uac83\uc774 \uac70\uc758 \ud56d\uc0c1 \ud569\ub9ac\uc801\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacbd\ubbf8\ud55c \ud658\uc6d0\uc131 \uc0b0\uc131 \uc870\uac74, \ubcc0\ud654\ubb34\uc30d\ud55c \uacf5\uc815 \ud654\ud559 \uc870\uac74, \ub610\ub294 \uc608\uc0b0 \uc81c\uc57d\uacfc \uac19\uc740 \u2018\ud68c\uc0c9 \uc9c0\ub300\u2019\uc5d0 \uc18d\ud558\ub294 \ud658\uacbd\uc758 \uacbd\uc6b0, \ub300\uaddc\ubaa8 \uc124\ube44 \uc804\uccb4\uc5d0 \uac78\uccd0 \ubb34\uc870\uac74 Grade 7\uc744 \uc801\uc6a9\ud558\uae30 \uc804\uc5d0, \ube44\uc6a9 \uba74\uc5d0\uc11c \uc911\uac04 \uc218\uc900\uc758 \ub300\uc548\uc778 Grade 16(\ud658\uc6d0\ub41c \ud314\ub77c\ub4d0)\uacfc Grade 12(\ubab0\ub9ac\ube0c\ub374-\ub2c8\ucf08)\uc744 \uac80\ud1a0\ud574 \ubcfc \uac00\uce58\uac00 \uc788\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

Grade 2 and Grade 7 titanium share identical mechanical properties and nearly identical chemical compositions \u2014 the only difference is 0.12\u20130.25% palladium in Grade 7. That small addition changes everything in reducing acid environments. In boiling 5% HCl, Grade 7 corrodes at 0.18 mm\/yr; Grade 2 loses more than 10 mm\/yr. In boiling 5% H\u2082SO\u2084, […]<\/p>\n","protected":false},"author":1,"featured_media":4352,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4349","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4349","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=4349"}],"version-history":[{"count":1,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4349\/revisions"}],"predecessor-version":[{"id":4353,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4349\/revisions\/4353"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/media\/4352"}],"wp:attachment":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/media?parent=4349"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/categories?post=4349"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/tags?post=4349"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}