{"id":4381,"date":"2026-07-29T08:49:59","date_gmt":"2026-07-29T08:49:59","guid":{"rendered":"https:\/\/hontitan.com\/?p=4381"},"modified":"2026-07-29T08:52:48","modified_gmt":"2026-07-29T08:52:48","slug":"grade-7-titanium-palladium","status":"publish","type":"post","link":"https:\/\/hontitan.com\/ko\/grade-7-titanium-palladium\/","title":{"rendered":"7\ub4f1\uae09 \ud2f0\ud0c0\ub284: 0.2% \ud314\ub77c\ub4d0\uc774 \ub0b4\uc2dd\uc131\uc744 \uc5b4\ub5bb\uac8c \ubcc0\ud654\uc2dc\ud0a4\ub294\uac00 \u2014 \uadf8\ub9ac\uace0 11\ub4f1\uae09\uc774 \ub354 \ub098\uc740 \uc120\ud0dd\uc774 \ub418\ub294 \uacbd\uc6b0"},"content":{"rendered":"

7\uae09 \ud2f0\ud0c0\ub284(UNS R52400, ASTM B265)\uc740 0.12~0.25 wt%\uc758 \ud314\ub77c\ub4d0\uc774 \ucca8\uac00\ub41c \uc0c1\uc5c5\uc6a9 \uc21c\uc218 \ud2f0\ud0c0\ub284\uc785\ub2c8\ub2e4. \uc774 \uc18c\ub7c9\uc758 \ud314\ub77c\ub4d0 \ucca8\uac00\ub294 \ud45c\uc900 \ud2f0\ud0c0\ub284 \ub4f1\uae09\uc774 \ube60\ub974\uac8c \ubd80\uc2dd\ub418\ub294 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \ud569\uae08\uc758 \uac70\ub3d9\uc744 \uadfc\ubcf8\uc801\uc73c\ub85c \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4. 11\ub4f1\uae09\uc740 \ub3d9\uc77c\ud55c \ud314\ub77c\ub4d0 \ud568\ub7c9 \ubc94\uc704\ub97c \uac00\uc9c0\uc9c0\ub9cc, \uc0b0\uc18c \ubc0f \ucca0 \ud568\ub7c9\uc774 \ub354 \ub0ae\uc740 \uae30\uc9c0(1\ub4f1\uae09 \uc0c1\uc5c5\uc6a9 \uc21c\uc218 \ud2f0\ud0c0\ub284\uc5d0 \ud574\ub2f9)\ub97c \uc0ac\uc6a9\ud558\uc5ec, \ub3d9\uc77c\ud55c \ub0b4\uc2dd\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c\ub3c4 \ub354 \uc6b0\uc218\ud55c \uc5f0\uc131\uacfc \ub0c9\uac04 \uc131\ud615\uc131\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uad6c\uc870\uc6a9 \ubc0f \ud654\ud559 \uacf5\uc815 \uc6a9\ub3c4\uc5d0\uc11c\ub294 \ub4f1\uae09 7\uc774 \uae30\ubcf8 \uc120\ud0dd\uc9c0\uc785\ub2c8\ub2e4. \ub4f1\uae09 11\uc740 \uc2ec\uc555 \uc131\ud615, \ud29c\ube0c \uad7d\ud798 \ub610\ub294 \ubc15\ubcbd \uc131\ud615\uc774 \ud544\uc694\ud55c \uc81c\uc791 \uc2dc\uc5d0 \uc9c0\uc815\ub429\ub2c8\ub2e4. \uc774 \uac00\uc774\ub4dc\uc5d0\uc11c\ub294 \ud314\ub77c\ub4d0\uc758 \uc791\uc6a9 \uba54\ucee4\ub2c8\uc998, \ub450 \ub4f1\uae09 \uac04\uc758 \ud2b9\uc131 \ucc28\uc774 \ubc0f \uc2e4\uc6a9\uc801\uc778 \uc120\uc815 \uc9c0\uce68\uc744 \ub2e4\ub8f9\ub2c8\ub2e4.<\/p>\n\n\n\n

7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n

Grade 7\uc740 \ub2e8\uc77c \uc131\ubd84\uc758 \uc815\ubc00 \uc870\uc808\ub41c \ucca8\uac00\ub97c \ud1b5\ud574 \uc815\uc758\ub418\ub294 \uc54c\ud30c \uc0c1\uc758 \uc0c1\uc5c5\uc6a9 \uc21c\uc218 \ud2f0\ud0c0\ub284 \ud569\uae08\uc785\ub2c8\ub2e4: 0.12\u20130.25 wt% \ud314\ub77c\ub4d0<\/strong>. \uadf8 \uc678\uc758 \ubaa8\ub4e0 \uc870\uc131 \ud2b9\uc131\uc740 2\ub4f1\uae09 CP \ud2f0\ud0c0\ub284\uacfc \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc989, 0.30%\uc640 \ub3d9\uc77c\ud55c \ucca0 \ud568\ub7c9 \uc0c1\ud55c\uce58, 0.25%\uc640 \ub3d9\uc77c\ud55c \uc0b0\uc18c \ud568\ub7c9 \uc0c1\ud55c\uce58, \uadf8\ub9ac\uace0 \ud0c4\uc18c, \uc9c8\uc18c, \uc218\uc18c\uc5d0 \ub300\ud55c \uc0bd\uc785 \uc6d0\uc18c \ud568\ub7c9 \ud55c\ub3c4\ub3c4 \ub3d9\uc77c\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc694\uc18c<\/th>7\ud559\ub144 \ud55c\uacc4<\/th><\/tr><\/thead>
\ud314\ub77c\ub4d0<\/td>0.12\u20130.25%<\/td><\/tr>
Iron<\/td>\u2264 0.30%<\/td><\/tr>
\uc0b0\uc18c<\/td>\u2264 0.25%<\/td><\/tr>
\ud0c4\uc18c<\/td>\u2264 0.08%<\/td><\/tr>
\uc9c8\uc18c<\/td>\u2264 0.03%<\/td><\/tr>
\uc218\uc18c<\/td>\u2264 0.015%<\/td><\/tr>
\ud2f0\ud0c0\ub284<\/td>\uc794\uc561<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n
\"\uc0c1\uc5c5\uc6a9<\/figure>\n\n\n\n

\uc774 \uc18c\uc7ac\uc758 UNS \uba85\uce6d\uc740 R52400\uc785\ub2c8\ub2e4. \uc720\ub7fd \ud45c\uc900\uc5d0\uc11c\ub294 \uc7ac\ub8cc \ubc88\ud638 3.7235\ub85c \ud45c\uae30\ub429\ub2c8\ub2e4. ASTM\uc740 B265(\uc2a4\ud2b8\ub9bd, \uc2dc\ud2b8, \ud50c\ub808\uc774\ud2b8), B337\/B338(\ud29c\ube0c), B348(\ubd09 \ubc0f \ube4c\ub81b), B861(\uc774\uc74c\ub9e4 \uc5c6\ub294 \ud30c\uc774\ud504) \ub4f1 \ub2e4\uc591\ud55c \uc81c\ud488 \ud615\ud0dc \ud45c\uc900\uc5d0 \uac78\uccd0 7\ub4f1\uae09\uc744 \uaddc\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\ubcf8 \uc131\ubd84\uc774 \ubcf8\uc9c8\uc801\uc73c\ub85c 2\ub4f1\uae09\uc774\ubbc0\ub85c, \uae30\uacc4\uc801 \ud2b9\uc131\uc740 2\ub4f1\uae09\uacfc \uac70\uc758 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4\ub294 275 MPa (40 ksi), \ucd5c\ub300 \uc778\uc7a5 \uac15\ub3c4\ub294 345 MPa (50 ksi)\uc774\uba70, \ucd5c\uc18c \uc5f0\uc2e0\uc728\uc740 20%\uc785\ub2c8\ub2e4.<\/strong> \ud0c4\uc131 \uacc4\uc218\ub294 108 GPa\uc785\ub2c8\ub2e4. \ubc00\ub3c4\ub294 4.51 g\/cm\u00b3\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0 \ud568\ub7c9\uc740 \uadf8\ub808\uc774\ub4dc 7\uc774 \uc0ac\uc591\uc5d0\uc11c \uadf8 \uc704\uc0c1\uc744 \ud655\ub9bd\ud558\ub294 \ud575\uc2ec \uc694\uc18c\uc785\ub2c8\ub2e4. 0.2 wt%(0.2%) \u2014 0.25% \ubbf8\ub9cc\uc758 \ud568\ub7c9 \u2014 \uc758 \ud314\ub77c\ub4d0\uc740 \ud658\uc6d0\uc131 \ud658\uacbd\uc5d0\uc11c \ud569\uae08\uc758 \ub0b4\uc2dd\uc131\uc744 \ud68d\uae30\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0a4\uba74\uc11c\ub3c4, \uae30\uacc4\uc801 \ud2b9\uc131\uacfc \uac00\uacf5\uc131\uc740 \uadf8\ub808\uc774\ub4dc 2\uc640 \uac70\uc758 \ub3d9\uc77c\ud55c \uc218\uc900\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\n

7H\ubc18\uc5d0 \uad00\ud55c \ucc38\uace0 \uc0ac\ud56d:<\/strong> ASTM\uc740 \ub610\ud55c \ub3d9\uc77c\ud55c \ud314\ub77c\ub4d0(Pd) \ud568\ub7c9 \ubc94\uc704\uc640 \uc870\uc131 \ud55c\uacc4\ub97c \uac00\uc9c0\ub418, \ucd5c\uc18c \uc778\uc7a5 \uac15\ub3c4(UTS)\ub97c 400 MPa(58 ksi)\ub85c \ub354 \ub192\uac8c \uc124\uc815\ud55c 7H \ub4f1\uae09\uc744 \uc815\uc758\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. 7H \ub4f1\uae09\uc740 \uc124\uacc4\uc790\uac00 Ti-6Al-4V\uc640 \uac19\uc740 \ud569\uae08 \ub4f1\uae09\uc73c\ub85c \uc804\ud658\ud558\uc9c0 \uc54a\uace0\ub3c4 \ub354 \ub192\uc740 \uac15\ub3c4\ub97c \ud655\ubcf4\ud574\uc57c \ud560 \ub54c \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n

\ud314\ub77c\ub4d0 \uba54\ucee4\ub2c8\uc998: 0.2%\uac00 \ubaa8\ub4e0 \uac83\uc744 \ubc14\uafb8\ub294 \uc774\uc720<\/h2>\n\n\n\n

\uc21c\uc218\ud558\uace0 \ud569\uae08\ub418\uc9c0 \uc54a\uc740 \ud2f0\ud0c0\ub284\uc740 \uc0b0\ud654\uc131 \ubc0f \uc911\uc131 \ud658\uacbd\uc5d0\uc11c \uc870\ubc00\ud558\uace0 \uc790\uac00 \ubcf5\uad6c \uae30\ub2a5\uc774 \uc788\ub294 TiO\u2082 \ubd80\ub3d9\ud0dc\ub9c9\uc744 \ud615\uc131\ud569\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c 2\uae09 \ud2f0\ud0c0\ub284\uc774 \ud574\uc218, \ud76c\uc11d\ub41c \uc0b0\ud654\uc131 \uc0b0, \uadf8\ub9ac\uace0 \ub300\ubd80\ubd84\uc758 \uc5fc\ud654\ubb3c \ud658\uacbd\uc5d0\uc11c \ubb38\uc81c\uc5c6\uc774 \uc0ac\uc6a9\ub420 \uc218 \uc788\ub294 \uc774\uc720\uc785\ub2c8\ub2e4. \ubb38\uc81c\ub294 \ud658\uc6d0\uc131 \ud658\uacbd, \uc989 \ud76c\uc11d \uc5fc\uc0b0, \ub530\ub73b\ud55c \ud669\uc0b0, \ub610\ub294 \uc800\ub18d\ub3c4\uc758 \ubd88\ud654\uc218\uc18c\uc0b0\uacfc \uac19\uc740 \uc870\uac74\uc785\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc870\uac74\uc5d0\uc11c\ub294 \ud328\uc2dc\ube0c \ud544\ub984\uc744 \uc720\uc9c0\ud560 \ub9cc\ud07c\uc758 \uc0b0\ud654\uc131 \ubb3c\uc9c8\uc774 \ubd80\uc871\ud558\uc5ec \ud2f0\ud0c0\ub284 \ud45c\uba74\uc774 \uc6a9\ud574\ub418\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0\uc740 \uc74c\uadf9 \ud0c8\ubd84\uadf9 \uae30\uc804\uc744 \ud1b5\ud574 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud569\ub2c8\ub2e4.<\/strong><\/p>\n\n\n\n

Pd\ub294 \ud2f0\ud0c0\ub284\ubcf4\ub2e4 \uc218\uc18c \uacfc\uc804\uc704\uac00 \ud6e8\uc52c \ub0ae\uc740 \uadc0\uae08\uc18d\uc785\ub2c8\ub2e4. \ud45c\uba74\uc5d0 Pd\uac00 \uc874\uc7ac\ud560 \uacbd\uc6b0 \u2014 \uc2ec\uc9c0\uc5b4 0.15\u20130.20 wt% \uc218\uc900\uc77c \ub54c\uc870\ucc28 \u2014 \uc774\ub294 \uc218\uc18c \ubc1c\uc0dd \ubc18\uc751\uc758 \uc6b0\uc120\uc801 \ubd80\uc704\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4:<\/p>\n\n\n\n

\n

2H\u207a + 2e\u207b \u2192 H\u2082<\/p>\n<\/blockquote>\n\n\n\n

\uc774 \ubc18\uc751\uc740 Pd \ubd80\uc704\uc5d0\uc11c \uc591\uc131\uc790\ub97c \uc18c\ubaa8\ud558\uba70, \uc774\ub85c \uc778\ud574 \ud569\uae08 \ud45c\uba74\uc758 \ud63c\ud569 \uc804\uc704\uac00 \uc0c1\uc2b9\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ubcc0\ud654\ub294 \ubd80\uc2dd \uc804\uc704\ub97c \ud65c\uc131 \uc6a9\ud574 \uc601\uc5ed\uc5d0\uc11c TiO\u2082 \ub9c9\uc774 \uc548\uc815\uc801\uc778 \ubd80\ub3d9\ud0dc \uc601\uc5ed\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a4\uae30\uc5d0 \ucda9\ubd84\ud558\uba70, \uc774 \uacbd\uc6b0 \uc678\ubd80 \uc0b0\ud654\uc81c\uac00 \uc5c6\uc5b4\ub3c4 TiO\u2082 \ub9c9\uc740 \uc548\uc815\uc801\uc73c\ub85c \uc720\uc9c0\ub429\ub2c8\ub2e4. \uadf8 \uacb0\uacfc, \uc21c\uc218 \ud2f0\ud0c0\ub284\uc774 \ud65c\ubc1c\ud558\uac8c \ubd80\uc2dd\ub418\ub294 \ud658\uc6d0\uc131 \uc0b0 \ud658\uacbd\uc5d0\uc11c\ub3c4 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \ubd80\ub3d9\ud0dc \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uba54\ucee4\ub2c8\uc998\uc740 1960\ub144\ub300 \ucd08 \uc874\uc2a8 \ub9e4\ud2f0(Johnson Matthey)\uac00 \ubc1c\ud45c\ud55c \uc5f0\uad6c\uc5d0\uc11c \ucc98\uc74c \uaddc\uba85\ub418\uc5c8\uc73c\uba70, 1990\ub144\ub300\ubd80\ud130 2000\ub144\ub300\uc5d0 \uac78\uccd0 \uc218\ud589\ub41c \uc804\uae30\ud654\ud559\uc801 \uc5f0\uad6c\ub97c \ud1b5\ud574 \ud655\uc778\ub418\uc5c8\ub294\ub370, \uc5ec\uae30\uc5d0\ub294 \ud575\ud3d0\uae30\ubb3c \ucc98\ubd84\uc7a5 \ud658\uacbd\uc5d0\uc11c\uc758 \ud2f0\ud0c0\ub284 \ud569\uae08 \uac70\ub3d9\uc5d0 \ub300\ud55c NRC \uc758\ub8b0 \uc5f0\uad6c\ub3c4 \ud3ec\ud568\ub41c\ub2e4.<\/p>\n\n\n\n

\ud314\ub77c\ub4d0\uc774 \ubc29\uc5b4\ud558\uc9c0 \ubabb\ud558\ub294 \uac83:<\/strong><\/p>\n\n\n\n

\uc74c\uadf9 \ud0c8\ubd84\uadf9 \uba54\ucee4\ub2c8\uc998\uc5d0\ub294 \ud55c\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \ub192\uc740 \uc0b0 \ub18d\ub3c4(\uace0\uc628\uc5d0\uc11c \uc57d 20% \uc774\uc0c1\uc758 \ub18d\ucd95 HCl, \ub610\ub294 ~10% \uc774\uc0c1\uc758 \ube44\ub4f1\ud558\ub294 H\u2082SO\u2084)\uc5d0\uc11c\ub294 Pd \ud45c\uba74 \ubd80\uc704\uac00 \uacfc\ubd80\ud558 \uc0c1\ud0dc\uac00 \ub418\uc5b4 \ubd80\ub3d9\ud0dc\ub9c9\uc774 \ud30c\uad34\ub429\ub2c8\ub2e4. \ub610\ud55c 7\ub4f1\uae09\uc740 \uac15\ud55c \ud658\uc6d0\uc131 \ubd88\uc18c \ud658\uacbd(\ubb34\uc218 HF) \ubc0f pH 12 \uc774\uc0c1\uc758 \uac15\uc54c\uce7c\ub9ac \uc870\uac74\uc5d0\uc11c\ub3c4 \uc5ec\uc804\ud788 \ubd80\uc2dd\ub418\uae30 \uc27d\uc2b5\ub2c8\ub2e4. \uace0\uc628\uc758 \ub18d\ucd95 \uc5fc\ud654\ubb3c \uc6a9\uc561\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \ud2c8\uc0c8 \ubd80\uc2dd\uc740 \uc5ec\uc804\ud788 \uc6b0\ub824 \uc0ac\ud56d\uc774\uc9c0\ub9cc, \uc774 \uc810\uc5d0 \uc788\uc5b4 7\ub4f1\uae09\uc758 \ub0b4\uc2dd\uc131\uc740 2\ub4f1\uae09\ubcf4\ub2e4 \uc0c1\ub2f9\ud788 \uc6b0\uc218\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774\uac83\uc774 \uacf5\ud559\uc801\uc73c\ub85c \uc2dc\uc0ac\ud558\ub294 \ud575\uc2ec\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \uc5fc\ud654\uc0b0 \ud658\uacbd\uc744 \uc904\uc784\uc73c\ub85c\uc368 \uc548\uc804\ud55c \uc791\ub3d9 \ubc94\uc704\ub97c \ud68d\uae30\uc801\uc73c\ub85c \ub113\ud600\uc8fc\uc9c0\ub9cc, \ud2f0\ud0c0\ub284\uc774 \ubd80\uc2dd\uc5d0 \ub300\ud574 \uc644\uc804\ud788 \uba74\uc5ed\uc774 \ub418\ub294 \uac83\uc740 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

\"0.15%<\/figure>\n\n\n\n

7\ub4f1\uae09 \ud2f0\ud0c0\ub284 \ub300 11\ub4f1\uae09 \ud2f0\ud0c0\ub284: \uc8fc\uc694 \ucc28\uc774\uc810<\/h2>\n\n\n\n

7\ub4f1\uae09\uacfc 11\ub4f1\uae09\uc740 \ud314\ub77c\ub4d0 \ud568\ub7c9(0.12\u20130.25 wt%)\uc774 \ub3d9\uc77c\ud558\ubbc0\ub85c \ub0b4\uc2dd\uc131\ub3c4 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \ucc28\uc774\uc810\uc740 \uc804\uc801\uc73c\ub85c \ud2f0\ud0c0\ub284 \ubaa8\uc7ac\uc758 \uc21c\ub3c4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

    \n
  • 7\ud559\ub144<\/strong>\u00a02\ub4f1\uae09 \uc6d0\uad11\uc744 \uae30\ubc18\uc73c\ub85c \uc0dd\uc0b0\ub418\uba70, \ud5c8\uc6a9 \uc0b0\uc18c \ud568\ub7c9(\u2264 0.25%) \ubc0f \ucca0 \ud568\ub7c9(\u2264 0.30%)\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4.<\/li>\n\n\n\n
  • 11\ud559\ub144<\/strong>\u00a01\ub4f1\uae09 \uad11\uc11d\uc744 \uae30\ubc18\uc73c\ub85c \ucc44\uad74\ub418\uc5c8\uc73c\uba70, \uc0b0\uc18c \ud568\ub7c9(< 0.18%)\uacfc \ucca0 \ud568\ub7c9(< 0.20%)\uc774 \ub0ae\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

    \uac04\uc9c8 \ud568\ub7c9\uc774 \ub0ae\uc744\uc218\ub85d \ud56d\ubcf5 \uac15\ub3c4\ub294 \ub0ae\uc544\uc9c0\uc9c0\ub9cc \uc5f0\uc131\uc740 \ub192\uc544\uc9d1\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c \uadf8\ub808\uc774\ub4dc 7\uacfc \uadf8\ub808\uc774\ub4dc 11\uc758 \uc7a5\ub2e8\uc810\uc744 \ud55c \ubb38\uc7a5\uc73c\ub85c \uc694\uc57d\ud55c \uac83\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc18d\uc131<\/th>7\ud559\ub144 (UNS R52400)<\/th>11\ud559\ub144 (UNS R52250)<\/th><\/tr><\/thead>
    Pd \ud568\ub7c9<\/td>0.12\u20130.25%<\/td>0.12\u20130.25%<\/td><\/tr>
    Fe max<\/td>0.30%<\/td>0.20%<\/td><\/tr>
    O max<\/td>0.25%<\/td>0.18%<\/td><\/tr>
    \ud56d\ubcf5 \uac15\ub3c4 (\ucd5c\uc18c)<\/td>275MPa(40ksi)<\/td>172 MPa (25 ksi)<\/td><\/tr>
    \uc778\uc7a5 \uac15\ub3c4 (\ucd5c\uc18c)<\/td>345MPa(50ksi)<\/td>241 MPa (35 ksi)<\/td><\/tr>
    \uc5f0\uc2e0\uc728(\ubd84)<\/td>20%<\/td>25%<\/td><\/tr>
    \ud0c4\uc131 \uacc4\uc218<\/td>108 GPa<\/td>103 GPa<\/td><\/tr>
    \ubc00\ub3c4<\/td>4.51g\/cm\u00b3<\/td>4.51g\/cm\u00b3<\/td><\/tr>
    \uc5f4\uc804\ub3c4\uc728<\/td>~17 W\/m\u00b7K<\/td>~20.6 W\/m\u00b7K<\/td><\/tr>
    \ub0b4\uc2dd\uc131<\/td>\uc6b0\uc218<\/td>\uc6b0\uc218 (7\ub4f1\uae09\uacfc \ub3d9\uc77c)<\/td><\/tr>
    \ub0c9\uac04 \uc131\ud615\uc131<\/td>Good<\/td>\ub9e4\uc6b0 \uc88b\uc74c<\/td><\/tr>
    1\ucc28 \uae30\uc800 \ub4f1\uac00\ubb3c<\/td>2\ub4f1\uae09 CP Ti<\/td>1\ub4f1\uae09 CP \ud2f0\ud0c0\ub284<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

    \ub450 \ub4f1\uae09 \uac04\uc758 \ud56d\ubcf5 \uac15\ub3c4 \ucc28\uc774\uc778 103 MPa\ub294 \uc555\ub825 \uc6a9\uae30 \ubc0f \uad6c\uc870 \ubd80\uc7ac \uc124\uacc4\uc5d0 \uc788\uc5b4 \uacb0\ucf54 \uc0ac\uc18c\ud55c \ucc28\uc774\uac00 \uc544\ub2d9\ub2c8\ub2e4. Grade 7 \uae30\uc900\uc5d0 \ub530\ub77c \uacc4\uc0b0\ub41c \uc6a9\uae30 \ubcbd \ub450\uaed8\ub294 Grade 11\uc758 \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4 \uae30\uc900\uc5d0 \ub530\ub77c \uc124\uacc4\ub41c \uc6a9\uae30\ubcf4\ub2e4 20\u201325% \ub354 \uc587\uc744 \uc218 \uc788\uc73c\uba70, \uc774\ub294 \uc7ac\ub8cc \ube44\uc6a9\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \ube44\ub85d \ud314\ub77c\ub4d0 \ud568\uc720 \ud569\uae08\uc758 \ud0ac\ub85c\uadf8\ub7a8\ub2f9 \uc6d0\uc790\uc7ac \uac00\uaca9\uc774 \uc21c\uc218 \ud2f0\ud0c0\ub284 \ub4f1\uae09\ubcf4\ub2e4 \ube44\uc2f8\ub354\ub77c\ub3c4 \ub9d0\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \ub0b4\uc2dd\uc131\uc740 7\ub4f1\uae09\uacfc 11\ub4f1\uae09\uc744 \uad6c\ubd84\ud558\ub294 \uae30\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/strong> \uc8fc\ub85c \u201c\ub354 \ub6f0\uc5b4\ub09c \ub0b4\uc2dd\uc131\u201d\uc744 \uc774\uc720\ub85c 11\ub4f1\uae09\uc744 \uc9c0\uc815\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc798\ubabb\ub41c \uc778\uc2dd\uc744 \ubc14\ud0d5\uc73c\ub85c \uc77c\ud558\uace0 \uc788\ub294 \uac83\uc785\ub2c8\ub2e4. \ub450 \ub4f1\uae09 \ubaa8\ub450 \ub3d9\uc77c\ud55c Pd \ubc94\uc704\ub97c \uac00\uc9c0\uba70, \ud604\uc7ac\uae4c\uc9c0 \ud14c\uc2a4\ud2b8\ub41c \ubaa8\ub4e0 \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \ub3d9\uc77c\ud55c \ud2b9\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uc120\uc815 \uae30\uc900\uc740 \ub0b4\uc2dd \uc131\ub2a5\uc774 \uc544\ub2c8\ub77c \uc81c\uc791 \ubc0f \uad6c\uc870\uc801 \uc694\uad6c \uc0ac\ud56d\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

    \"7\ub4f1\uae09\uacfc<\/figure>\n\n\n\n

    7\uae09 \ud2f0\ud0c0\ub284\uc758 \ub0b4\uc2dd\uc131: \uacac\ub51c \uc218 \uc788\ub294 \uac83\uacfc \uacac\ub51c \uc218 \uc5c6\ub294 \uac83<\/h2>\n\n\n\n

    7\ub4f1\uae09 \ud314\ub77c\ub4d0\uc758 \uc2e4\uc6a9\uc801 \uac00\uce58\ub294 2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc774 \uacac\ub514\uc9c0 \ubabb\ud558\ub294 \ub124 \uac00\uc9c0 \uc720\ud615\uc758 \uac00\ud639\ud55c \ud658\uacbd\uc5d0\uc11c \uac00\uc7a5 \ub450\ub4dc\ub7ec\uc9c0\uac8c \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n\n\n\n

    1. \uc801\uc815 \ub18d\ub3c4\uc5d0\uc11c \uc0b0\uc758 \ub18d\ub3c4 \ub0ae\ucd94\uae30<\/strong><\/p>\n\n\n\n

    \uc774\uac83\uc774 \uadf8\ub808\uc774\ub4dc 7\uc758 \uc8fc\ub41c \uc801\uc6a9 \ubd84\uc57c\uc785\ub2c8\ub2e4. \uc21c\uc218 \ud2f0\ud0c0\ub284\uc740 \ube44\uc0b0\ud654\uc131 \uc0b0\uc5d0\uc11c\ub294 TiO\u2082 \ub9c9\uc744 \uc720\uc9c0\ud560 \uc0b0\ud654\uc81c\uac00 \uc5c6\uae30 \ub54c\ubb38\uc5d0 \ubd80\ub3d9\ud0dc\ud654\uac00 \uc798 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc740 \uc55e\uc11c \uc124\uba85\ud55c Pd \ucd09\ub9e4\uc5d0 \uc758\ud55c \uc218\uc18c \ubc1c\uc0dd \uae30\uc804\uc744 \ud1b5\ud574 \uc774\ub7ec\ud55c \ud55c\uacc4\ub97c \uadf9\ubcf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

    \uc2e4\uc81c\ub85c 7\ud559\ub144 \uacfc\uc815\uc5d0\uc11c\ub294 \ub2e4\uc74c \ub0b4\uc6a9\uc744 \ub2e4\ub8f9\ub2c8\ub2e4:<\/p>\n\n\n\n

      \n
    • \uc5fc\uc0b0(HCl): \uc2e4\uc628\uc5d0\uc11c\ub294 \uc57d 20% \ub18d\ub3c4\uae4c\uc9c0 \ub0b4\uc131\uc744 \ubcf4\uc774\uba70, \uace0\uc628\uc5d0\uc11c\ub294 \ud76c\uc11d\ub41c \ub18d\ub3c4\uc5d0\uc11c \ub0b4\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4(60\u201380\u00b0C\uc5d0\uc11c \uc801\uc808\ud55c \uc124\uacc4 \uc5ec\uc720\uce58\ub97c \uc801\uc6a9\ud560 \uacbd\uc6b0 5\u201310%).<\/li>\n\n\n\n
    • \ud669\uc0b0(H\u2082SO\u2084): \uc801\ub2f9\ud55c \uc628\ub3c4\uc5d0\uc11c \uc57d 5%\uae4c\uc9c0\uc758 \ud76c\uc11d \uc0c1\ud0dc\uc5d0\uc11c\ub294 \ub0b4\uc131\uc774 \uc788\uc73c\ub098, \uadf8 \ubc94\uc704\ub97c \ucd08\uacfc\ud558\uba74 \uc131\ub2a5\uc774 \uae09\uaca9\ud788 \uc800\ud558\ub429\ub2c8\ub2e4.<\/li>\n\n\n\n
    • \uc778\uc0b0(H\u2083PO\u2084): \ud76c\uc11d\ub41c \ub18d\ub3c4\uc5d0\uc11c \uc911\uac04 \ub18d\ub3c4\uae4c\uc9c0 \uc77c\ubc18\uc801\uc73c\ub85c \ub0b4\uc131\uc774 \uc788\uc74c<\/li>\n\n\n\n
    • \uc5fc\ud654\ubb3c\uc744 \ud568\uc720\ud55c \ud63c\ud569 \uc0b0 \uc720\ub3d9: 7\ub4f1\uae09\uc740 2\ub4f1\uae09\uc5d0 \ube44\ud574 \uc548\uc804\ud55c \uc6b4\uc804 \ubc94\uc704\ub97c \uc0c1\ub2f9\ud788 \ud655\ub300\ud569\ub2c8\ub2e4.<\/li>\n<\/ul>\n\n\n\n

      \uc774\ub7ec\ud55c \ud55c\uacc4\uce58\ub294 \uace0\uc815\ub41c \uae30\uc900\uce58\uac00 \uc544\ub2d9\ub2c8\ub2e4. \uc628\ub3c4, \uc720\uc18d, \ud1b5\uae30 \uc0c1\ud0dc, \uadf8\ub9ac\uace0 \ub2e4\ub978 \uc885\uc758 \uc874\uc7ac \uc5ec\ubd80 \ub4f1\uc774 \ubaa8\ub450 \ubd80\uc2dd \uacbd\uacc4\ub97c \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4. \uc911\uc694\ud55c \uc7a5\ube44\uc758 \uacbd\uc6b0, \uc2e4\uc81c \uacf5\uc815 \ud658\uacbd\uc5d0\uc11c \uc218\ud589\ud558\ub294 \uc801\ud569\uc131 \uc2dc\ud5d8\uc774 \ud45c\uc900 \uad00\ud589\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      2. \uace0\uc628 \uc5fc\uc218 \ubc0f \uc5fc\ud654\ubb3c \uc6a9\uc561<\/strong><\/p>\n\n\n\n

      \ud569\uae08\uc774 \ucca8\uac00\ub418\uc9c0 \uc54a\uc740 \ud2f0\ud0c0\ub284\uc740 \uc77c\ubc18\uc801\uc778 \ud574\uc218 \ud658\uacbd\uc5d0\uc11c\ub3c4 \uc774\ubbf8 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc774\uc9c0\ub9cc, \uace0\uc628\uc758 \ub18d\ucd95 \uc5fc\uc218(70~80\u00b0C \uc774\uc0c1)\ub098 \ud29c\ube0c\uc640 \ud29c\ube0c\uc2dc\ud2b8 \uc811\ud569\ubd80\uc640 \uac19\uc740 \uc5fc\ud654\ubb3c \uc815\uccb4 \uad6c\uc5ed\uc5d0\uc11c\ub294 \ud2c8\uc0c8 \ubd80\uc2dd\uc774 \ubb38\uc81c\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \uc774\ub7ec\ud55c \uc870\uac74\uc5d0\uc11c \ud2c8\uc0c8 \ubd80\uc2dd \uc784\uacc4 \uc628\ub3c4\ub97c \ub192\uc5ec \uc0ac\uc6a9 \uc218\uba85\uc744 \uc5f0\uc7a5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc774 \ub54c\ubb38\uc5d0 \uace0\uc628 \uc5fc\uc218 \ud658\uacbd\uc5d0\uc11c \uc791\ub3d9\ud558\ub294 \ub2f4\uc218\ud654 \ud50c\ub79c\ud2b8\uc758 \uc5f4\uad50\ud658\uae30\uc640 \uc99d\ubc1c\uae30 \ud29c\ube0c\ub294 \ud754\ud788 \uc0ac\uc6a9\ub418\ub294 \uc0ac\ub840\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      3. \ud63c\ud569 \uc0b0\ud654\uc81c \ud658\uacbd: \uc2b5\uc2dd \uc5fc\uc18c \ubc0f \ucc28\uc544\uc5fc\uc18c\uc0b0\uc5fc<\/strong><\/p>\n\n\n\n

      7\ub4f1\uae09\uc740 \ud384\ud504 \ubc0f \uc81c\uc9c0 \ud45c\ubc31 \uacf5\uc7a5\uc774\ub098 \uc218\ucc98\ub9ac \uc2dc\uc124\uc5d0\uc11c \ud754\ud788 \ubcfc \uc218 \uc788\ub294 \uc2b5\uc2dd \uc5fc\uc18c \uac00\uc2a4, \uc774\uc0b0\ud654\uc5fc\uc18c, \ucc28\uc544\uc5fc\uc18c\uc0b0\ub098\ud2b8\ub968 \ud658\uacbd\uc5d0 \ub6f0\uc5b4\ub09c \ub0b4\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4. \ud314\ub77c\ub4d0(Pd)\uc744 \ucca8\uac00\ud568\uc73c\ub85c\uc368, \uac74\uc870\ud558\uac70\ub098 \ub18d\ucd95\ub41c \uc5fc\uc18c \ud658\uacbd\uc5d0\uc11c \uc21c\uc218 \ud2f0\ud0c0\ub284 \uc0ac\uc6a9 \uc2dc \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ubc1c\ud654 \uc704\ud5d8\uc774\ub098 \ud2c8\uc0c8 \ubd80\uc2dd \uc704\ud5d8\uc744 \uc904\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

      4. \uc2b5\uc2dd \ud575\ud3d0\uae30\ubb3c \ud658\uacbd (\uc7a5\uae30 \uc6b4\uc6a9)<\/strong><\/p>\n\n\n\n

      7\ub4f1\uae09 \uc554\uc11d\uc740 \ud575\ud3d0\uae30\ubb3c \uc800\uc7a5\uc18c \uc6a9\ub3c4\ub85c \uad11\ubc94\uc704\ud558\uac8c \uc5f0\uad6c\ub418\uc5c8\ub2e4(\ud2b9\ud788 \ubbf8\uad6d \uc5d0\ub108\uc9c0\ubd80\uc758 \uc720\uce74 \ub9c8\uc6b4\ud2f4 \ud504\ub85c\uc81d\ud2b8). \ud559\uc220\uc9c0\uc5d0 \uac8c\uc7ac\ub41c \uc5f0\uad6c\uc5d0 \ub530\ub974\uba74 \ubd80\uc2dd<\/em> (\uc81c61\uad8c \uc81c10\ud638, AMPP)\uc5d0\uc11c\ub294 \uc0b0\uc131 \uc9c0\ud558\uc218, \uac10\ub9c8\uc120 \uc870\uc0ac \ud658\uacbd, \uc7a0\uc7ac\uc801 \ud2c8\uc0c8 \ud658\uacbd \ub4f1 \uc7a5\uae30 \uc800\uc7a5\uc18c \uc870\uac74 \ud558\uc5d0\uc11c \uadf8\ub808\uc774\ub4dc 7 \ubc0f \uad00\ub828 \ud569\uae08\uc744 \ud3c9\uac00\ud588\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc740 \uc774\ub7ec\ud55c \uc870\uac74\uc5d0\uc11c \uadf8\ub808\uc774\ub4dc 2\uc5d0 \ube44\ud574 \uce21\uc815 \uac00\ub2a5\ud55c \uac1c\uc120 \ud6a8\uacfc\ub97c \ubcf4\uc600\uc73c\uba70, \ud2b9\ud788 \ud2c8\uc0c8 \ubd80\uc2dd \uc800\ud56d\uc131\uc774 \uc8fc\uc694 \uc7a5\uc810\uc73c\ub85c \uaf3d\ud614\ub2e4.<\/p>\n\n\n\n

      7\ub4f1\uae09\uc774 \uc2e0\ub8b0\ud560 \ub9cc\ud55c \ubcf4\ud638 \ud6a8\uacfc\ub97c \uc81c\uacf5\ud558\uc9c0 \uc54a\ub294 \uacbd\uc6b0:<\/strong><\/p>\n\n\n\n

      \ud658\uacbd<\/th>7\ud559\ub144 \uacf5\uc5f0<\/th>\ucc38\uace0<\/th><\/tr><\/thead>
      \ub18d\ucd95 \uc5fc\uc0b0(\uc2e4\uc628\uc5d0\uc11c >20%, \ub610\ub294 100\u00b0C \uc774\uc0c1\uc5d0\uc11c \ud76c\uc11d\ub41c \uac83)<\/td>\ud65c\uc131 \ubd80\uc2dd<\/td>Pd\uc870\ucc28\ub3c4 \uc218\ub3d9\uc131\uc744 \uc720\uc9c0\ud560 \uc218\ub294 \uc5c6\ub2e4<\/td><\/tr>
      \ub18d\ucd95 H\u2082SO\u2084 (>10\u201315%)<\/td>\ud65c\uc131 \ubd80\uc2dd<\/td>\ud558\uc2a4\ud154\ub85c\uc774 C-276 \ub610\ub294 \ud0c4\ud0c8\ub968\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624<\/td><\/tr>
      \ubb34\uc218 HF<\/td>\ud65c\uc131 \ubd80\uc2dd<\/td>\uc21c\uc218\ud55c HF\uc5d0\ub294 \ubd88\uc18c \uc800\ud56d\uc131\uc774 \uc5c6\ub2e4<\/td><\/tr>
      \uac15\uc54c\uce7c\ub9ac (NaOH >30%, \uace0\uc628\uc5d0\uc11c)<\/td>\ubd80\uc2dd \uc704\ud5d8<\/td>pH 12 \uc774\uc0c1\uc5d0\uc11c\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \ud2f0\ud0c0\ub284 \ud569\uae08\uc774 \ubd80\uc2dd\uc5d0 \ucde8\uc57d\ud574\uc9d1\ub2c8\ub2e4.<\/td><\/tr>
      \uc801\uc0c9 \ubc1c\uc5f0 \uc9c8\uc0b0<\/td>\uc790\uc5f0\ubc1c\ud654 \uc704\ud5d8<\/td>\ud2f0\ud0c0\ub284 \uc0ac\uc6a9 \uae08\uc9c0<\/td><\/tr>
      \uace0\uc628\uc758 \uac74\uc870 \uc5fc\uc18c \uac00\uc2a4<\/td>\ud2f0\ud0c0\ub284\uc758 \ud654\uc7ac \uc704\ud5d8<\/td>7\ud559\ub144 \uacfc\uc815\ub9cc\uc73c\ub85c\ub294 \uc774 \ubb38\uc81c\ub97c \ud574\uacb0\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      7\ud559\ub144 \ub300\uc2e0 11\ud559\ub144\uc744 \uc120\ud0dd\ud574\uc57c \ud560 \ub54c<\/h2>\n\n\n\n

      11\ub4f1\uae09\uc774 \uc874\uc7ac\ud558\ub294 \uc8fc\ub41c \uc774\uc720\ub294, 7\ub4f1\uae09\ubcf4\ub2e4 \uac15\ub3c4\uac00 \uc57d\uac04 \ub192\uc544 \uc131\ud615\uc5d0 \uc5b4\ub824\uc6c0\uc744 \ucd08\ub798\ud558\ub294 \uac00\uacf5 \uc0c1\ud669\uc5d0\uc11c, \uc124\uacc4\uc790\uac00 \uade0\uc5f4\uc774\ub098 \uc2a4\ud504\ub9c1\ubc31\uc758 \uc704\ud5d8\uc744 \uac10\uc218\ud560 \uc218 \uc5c6\uc744 \ub54c\ub97c \ub300\ube44\ud558\uae30 \uc704\ud568\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      11\ub4f1\uae09\uc774 \uc62c\ubc14\ub978 \uc120\ud0dd\uc778 \uc81c\uc791 \uc0ac\ub840:<\/strong><\/p>\n\n\n\n

      \uad7d\ud798 \ubc18\uacbd\uc774 \uc791\uc740 \uc587\uc740 \ubcbd \ub450\uaed8\uc758 \ud29c\ube0c.<\/strong> 11\ub4f1\uae09\uc758 \ucd5c\uc18c \ud56d\ubcf5 \uac15\ub3c4\uac00 172 MPa\uc778 \ubc18\uba74, 7\ub4f1\uae09\uc740 275 MPa\uc774\ubbc0\ub85c, 11\ub4f1\uae09 \uc18c\uc7ac\ub294 \uac00\uacf5 \uacbd\ud654\uac00 \ub35c \uc2ec\ud558\uace0 \uad7d\ud798 \uc2dc \ud0c4\uc131 \ud68c\ubcf5\uc774 \ub35c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uace8\ud615 \uc5f4\uad50\ud658\uae30 \ud29c\ube0c, U\uc790\ud615 \uad7d\ud798 \uad6c\uc870, \ub610\ub294 \uc18c\uad6c\uacbd \uc6a9\uc811\uc2dd \uc2e0\ucd95 \uc774\uc74c\ub9e4\uc758 \uacbd\uc6b0, 11\ub4f1\uae09\uc758 \uc5f0\uc131\uc740 \uc7a5\uc810\uc73c\ub85c \uc791\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc2ec\uc555 \uc131\ud615 \ubd80\ud488.<\/strong> \ud29c\ube0c \uc2dc\ud2b8, \uc131\ud615\ub41c \uc5d4\ub4dc \ucea1, \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc758 \ud50c\ub79c\uc9c0 \ub4f1 \uba74\uc801 \uac10\uc18c\uac00 \uc0c1\ub2f9\ud55c \uc131\ud615 \ud504\ub808\uc2a4 \uacf5\uc815\uc740 \uadf8\ub808\uc774\ub4dc 11\uc758 \ub354 \ub192\uc740 \uc5f0\uc2e0\uc728(25% \ub300 \uadf8\ub808\uc774\ub4dc 7\uc758 20%)\uacfc \ub354 \ub0ae\uc740 \uc720\ub3d9 \uc751\ub825 \ub355\ubd84\uc5d0 \uc774\uc810\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \uc131\ud615 \uacfc\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ud30c\uc190 \uc704\ud5d8\uc740 \uadf8\ub808\uc774\ub4dc 11\uc744 \uc0ac\uc6a9\ud568\uc73c\ub85c\uc368 \uc644\ud654\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc6a9\uc811\ubd80\uc758 \uc5f0\uc131\uc774 \ub9e4\uc6b0 \uc911\uc694\ud55c \uc6a9\ub3c4.<\/strong> \ub450 \ub4f1\uae09 \ubaa8\ub450 \uc6a9\uc811\uc774 \uac00\ub2a5\ud558\uc9c0\ub9cc, 11\ub4f1\uae09\uc740 \uc794\ub958 \uc751\ub825\uc774 \uc57d\uac04 \ub0ae\uace0 \uc5f0\uc131\uc774 \ub354 \ub192\uc740 \uc6a9\uc811\ubd80\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. \uc5f4 \uc0ac\uc774\ud074\uc744 \uacaa\uac8c \ub420 \uc7a5\ube44\uc758 \uacbd\uc6b0, 11\ub4f1\uae09 \uc6a9\uc811\ubd80\ub294 \uade0\uc5f4\uc774 \ubc1c\uc0dd\ud558\uae30\uae4c\uc9c0 \ub354 \ud070 \uc5ec\uc720\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\ud559\ub144\uc774 \ub354 \ub098\uc740 \uc120\ud0dd\uc778 \uacbd\uc6b0:<\/strong><\/p>\n\n\n\n

      \uc2dc\ub098\ub9ac\uc624<\/th>\uc120\ud638 \ub4f1\uae09<\/th>\uc774\uc720<\/th><\/tr><\/thead>
      \uc555\ub825 \uc6a9\uae30 \ubc0f \uceec\ub7fc<\/td>7\ud559\ub144<\/td>\uc218\uc728 \uc99d\uac00 \u2192 \ubcbd \ub450\uaed8 \uac10\uc18c, \uc7ac\ub8cc\ube44 \uc808\uac10<\/td><\/tr>
      \uad6c\uc870\uc6a9 \ud504\ub808\uc784 \ubc0f \uc9c0\uc9c0\ub300<\/td>7\ud559\ub144<\/td>\ud56d\ubcf5 \uac15\ub3c4\uc5d0 \uc758\ud574 \uc81c\ud55c\ub418\ub294 \uad6c\uc870 \uc124\uacc4\uc5d0\uc11c, 7\ub4f1\uae09 \uac15\uc7ac\ub294 \ub354 \uc791\uc740 \ub2e8\uba74\uc801\uc744 \ud5c8\uc6a9\ud55c\ub2e4<\/td><\/tr>
      \uae30\uc874 \uc131\ud615 \uacf5\ubc95\uc744 \uc774\uc6a9\ud55c \uc2dc\ud2b8 \ubc0f \ud310\uc7ac \uac00\uacf5<\/td>7\ud559\ub144<\/td>2\ub4f1\uae09\uc5d0 \uc0c1\uc751\ud558\ub294 \uc131\ud615\uc131\uc740 \ub300\ubd80\ubd84\uc758 \ud310\uc7ac \uac00\uacf5\uc5d0 \ucda9\ubd84\ud569\ub2c8\ub2e4.<\/td><\/tr>
      \uace0\uc628 \uc0ac\uc6a9 \uc870\uac74 (\uc555\ub825 \ud3ec\ud568)<\/td>7\ud559\ub144<\/td>\uace0\uc628 \ud658\uacbd\uc5d0\uc11c \uac15\ub3c4\uac00 \ub354 \ub192\uc740 \ubc14\ub2e5\uc7ac<\/td><\/tr>
      \uc9c1\uc120 \uad6c\uac04\uc758 \ud45c\uc900 \ubc30\uad00<\/td>7\ud559\ub144<\/td>11\ud559\ub144\uc5d0\uc11c \ud615\uc131\ub41c \uc774\uc810\uc740 \uc5c6\uc74c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

      \ub300\ubd80\ubd84\uc758 \uc870\ub2ec \uc0c1\ud669\uc5d0\uc11c \uc2e4\uc81c\ub85c \ub098\ud0c0\ub098\ub294 \ud604\uc2e4\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4: 7\ub4f1\uae09 \uc81c\ud488\uc740 \ub354 \ub110\ub9ac \uad6c\ud560 \uc218 \uc788\ub294 \ubc18\uba74, 11\ub4f1\uae09 \uc81c\ud488\uc740 \ub300\ubd80\ubd84\uc758 \uc11c\ube44\uc2a4 \uc13c\ud130\uc5d0\uc11c \ud2b9\ubcc4 \uc8fc\ubb38\ud574\uc57c \ud569\ub2c8\ub2e4.<\/strong> \uc81c\uc870\uc0c1\uc758 \uc81c\uc57d\uc774 \uc5c6\ub294 \uacbd\uc6b0, \uc2dc\uc7a5 \uacf5\uae09 \uc0c1\ud669\ub9cc \uace0\ub824\ud55c\ub2e4\uba74 7\ub4f1\uae09\uc774 \uae30\ubcf8\uc801\uc73c\ub85c \uc120\ud0dd\ub418\ub294 \uc635\uc158\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\ud559\ub144\uacfc 11\ud559\ub144 \uacfc\uc815\uc758 \uc2e4\uc81c \uc801\uc6a9 \uc0ac\ub840<\/h2>\n\n\n\n

      \ub450 \ub4f1\uae09 \ubaa8\ub450 \ub3d9\uc77c\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\uc815 \ud504\ub85c\uc81d\ud2b8\uc5d0\uc11c \uc5b4\ub5a4 \ub4f1\uae09\uc744 \uc120\ud0dd\ud560\uc9c0\ub294 \ubd80\uc2dd \ud658\uacbd\uc774 \uc544\ub2c8\ub77c \ubd80\ud488\uc758 \ud615\uc0c1\uacfc \uc751\ub825 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub77c \uacb0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ud654\ud559 \uac00\uacf5 \uc0b0\uc5c5<\/strong><\/p>\n\n\n\n

      \ud63c\ud569 \uc0b0 \uc720\uccb4\ub97c \ucc98\ub9ac\ud558\ub294 \uc5f4\uad50\ud658\uae30, HCl \uac00\uc2a4 \ucc98\ub9ac\uc6a9 \uc2a4\ud06c\ub7ec\ubc84, \uc720\uae30\uc0b0 \ud569\uc131\uc6a9 \ubc18\uc751 \uc6a9\uae30\uac00 \uc8fc\uc694 \uc801\uc6a9 \uc0ac\ub840\uc785\ub2c8\ub2e4. \uacf5\uc815 \uce21\uc5d0 \ud76c\uc11d HCl \ub610\ub294 \uc628\ub09c\ud55c \ud669\uc0b0\uc774 \ud3ec\ud568\ub41c \uacbd\uc6b0, \uc258 \uc564 \ud29c\ube0c(shell-and-tube) \uc5f4\uad50\ud658\uae30 \ud29c\ube0c\uc5d0\ub294 7\ub4f1\uae09\uc774 \uc9c0\uc815\ub429\ub2c8\ub2e4. \uacbd\uc81c\uc801 \ud0c0\ub2f9\uc131\uc740 \uba85\ubc31\ud569\ub2c8\ub2e4. \ub3d9\uc77c\ud55c \uc218\uba85 \ubaa9\ud45c\ub97c \uae30\uc900\uc73c\ub85c \ubcbd \ub450\uaed8, \uc6a9\uc811 \ubcf5\uc7a1\ub3c4 \ubc0f \uc81c\uc791 \uc778\uac74\ube44\ub97c \uace0\ub824\ud560 \ub54c, Pd \ud569\uae08 \ud504\ub9ac\ubbf8\uc5c4\uc774 \uc801\uc6a9\ub41c 7\ub4f1\uae09\uc740 \uc804\uccb4 Hastelloy C-276 \uad6c\uc870\uc758 \uc81c\uc791 \ube44\uc6a9\ubcf4\ub2e4 \uc5ec\uc804\ud788 \ube44\uc6a9 \ud6a8\uc728\uc774 \ub192\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc81c\uc57d \ubc0f \uc815\ubc00 \ud654\ud559 \uc81c\ud488 \uc81c\uc870<\/strong><\/p>\n\n\n\n

      \uc5fc\uc18c\uacc4 \uc6a9\ub9e4, HCl \ucd09\ub9e4 \ud68c\uc218 \ub8e8\ud504, \uadf8\ub9ac\uace0 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c \uc774\ub8e8\uc5b4\uc9c0\ub294 \uc758\uc57d\ud488 \uc911\uac04\uccb4 \ucc98\ub9ac \uacf5\uc815. \uc2e4\ud5d8\uc2e4 \uaddc\ubaa8 \ud14c\uc2a4\ud2b8\uc5d0\uc11c 2\ub4f1\uae09 \uc7ac\uc9c8\uc774 \ud65c\ubc1c\ud55c \ubd80\uc2dd\uc744 \ubcf4\uc778 \uacbd\uc6b0, 7\ub4f1\uae09 \uc6a9\uae30 \ub0b4\ubcbd \ub77c\uc774\ub2dd \ubc0f \uc811\ucd09\uba74 \ubd80\ud488\uc774 \uc9c0\uc815\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ub2f4\uc218\ud654<\/strong><\/p>\n\n\n\n

      \ub2e4\ub2e8\uacc4 \ud50c\ub798\uc2dc(MSF) \ubc0f \ub2e4\uc911 \ud6a8\uacfc \uc99d\ub958(MED)\uc6a9 \ube0c\ub77c\uc778 \uac00\uc5f4\uae30 \uad00\ub2e4\ubc1c. 7\ub4f1\uae09\uc740 \ube0c\ub77c\uc778 \ub18d\ub3c4\uac00 \uac00\uc7a5 \ub192\uace0 \uac00\ub3d9 \uc815\uc9c0 \uc2dc \uc815\uccb4 \ud604\uc0c1\uc774 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \uad00\uacfc \uad00\ud310 \uc0ac\uc774\uc758 \ud2c8\uc0c8\uc5d0\uc11c \ud2c8\uc0c8 \ubd80\uc2dd \uc800\ud56d\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ud384\ud504 \ubc0f \uc81c\uc9c0 \u2014 \ud45c\ubc31 \uacf5\uc7a5<\/strong><\/p>\n\n\n\n

      \uc774\uc0b0\ud654\uc5fc\uc18c(ClO\u2082), \ucc28\uc544\uc5fc\uc18c\uc0b0 \ud45c\ubc31\uc561 \ubc0f \ud63c\ud569\uc0b0 \uc138\uc815 \uc5ec\uacfc\uc561\uc744 \ucde8\uae09\ud558\ub294 \uc138\ucc99\uc870, \ubc30\uad00 \ubc0f \uc6a9\uae30. \uc774\uacf3\uc5d0\uc11c\ub294 7\ub4f1\uae09\uacfc 11\ub4f1\uae09\uc774 \ubaa8\ub450 \uc0ac\uc6a9\ub418\uba70, 11\ub4f1\uae09\uc740 \uc131\ud615\ub41c \uc6a9\uae30 \uc0c1\ubd80\uc5d0, 7\ub4f1\uae09\uc740 \ubc30\uad00 \ubc0f \ud310\uc7ac \uad6c\uc870\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ud575\ud3d0\uae30\ubb3c \uaca9\ub9ac<\/strong><\/p>\n\n\n\n

      7\ub4f1\uae09 \uac15\ud310\uc740 \uc81c\uc548\ub41c \uace0\uc900\uc704 \ubc29\uc0ac\uc131 \ud3d0\uae30\ubb3c \ucc98\ubd84\uc7a5\uc758 \ub4dc\ub9bd \uc2e4\ub4dc \ubc0f \ud3d0\uae30\ubb3c \ud3ec\uc7a5 \uad6c\uc131\uc694\uc18c \uc678\uacfd \ucc28\ud3d0\uc7ac\uc758 \uc8fc\uc694 \ud6c4\ubcf4 \uc18c\uc7ac\uc600\uc2b5\ub2c8\ub2e4. \ud575\uc2ec \uc124\uacc4 \uc694\uac74\uc740 \uc2dc\uac04\uc774 \uc9c0\ub0a8\uc5d0 \ub530\ub77c \uc0b0\uc131\uc73c\ub85c \ubcc0\ud560 \uc218 \uc788\ub294 \uc9c0\ud558\uc218 \ud658\uacbd\uc5d0\uc11c 10,000\ub144 \uc774\uc0c1\uc758 \ub0b4\uc2dd\uc131\uc744 \ud655\ubcf4\ud558\ub294 \uac83\uc774\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc5d0 \ud314\ub77c\ub4d0(Pd)\uc774 \ucca8\uac00\ub41c \uc810\uc774 \uadf8\ub808\uc774\ub4dc 2 \ubc0f \uadf8\ub808\uc774\ub4dc 12 \ub300\uc548\ubcf4\ub2e4 \uc6b0\uc704\ub97c \uc810\ud55c \uacb0\uc815\uc801\uc778 \uc694\uc778\uc774\uc5c8\ub2e4.<\/p>\n\n\n\n

      \ud574\uc0c1 \ubc0f \ud574\uc591<\/strong><\/p>\n\n\n\n

      \ud2f0\ud0c0\ub284 \ud574\uc218 \ubc30\uad00\uc740 \uc218\uc2ed \ub144 \ub3d9\uc548 \ud574\uc591 \ud50c\ub7ab\ud3fc\uc5d0\uc11c \ud45c\uc900\uc73c\ub85c \uc0ac\uc6a9\ub418\uc5b4 \uc654\uc2b5\ub2c8\ub2e4. \uacf5\uc815 \ud750\ub984\uc5d0\uc11c \ud574\uc218\uac00 \uc2dc\ucd94 \uc720\uccb4\ub098 \uc0b0\uc131 \uba38\ub4dc \ucca8\uac00\uc81c\uc640 \ud63c\ud569\ub418\ub294 \uacbd\uc6b0, 7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \uc720\uc815 \uc0b0 \ucc98\ub9ac \uc791\uc5c5 \uc911 \ubc1c\uc0dd\ud560 \uc218 \uc788\ub294 \ud658\uc6d0\uc131 \uc0b0 \ud604\uc0c1\uc5d0 \ub300\ud55c \uc548\uc804 \uc7a5\uce58\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      \"\uc0b0\uc5c5
      \uc0ac\uc9c4 \ucd9c\ucc98: Uwe Aranas \/ \uc704\ud0a4\ubbf8\ub514\uc5b4 \uacf5\uc6a9 (CC BY-SA 4.0)<\/em><\/p>\n\n\n\n

      7\ud559\ub144 \uac00\uc871\uc744 \ud5e4\uccd0\ub098\uac00\uae30: \ub2e4\uc591\ud55c \ud615\ud0dc\uc640 \ub300\uc548<\/h2>\n\n\n\n

      7H\ubc18<\/strong> \u2014 \ub4f1\uae09 7\uacfc \ub3d9\uc77c\ud55c \uc131\ubd84\uc744 \uac00\uc9c0\uba70, ASTM \uae30\uc900 \ucd5c\uc18c UTS\uac00 400 MPa(58 ksi)\ub85c \uc0c1\ud5a5 \uc870\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ub4f1\uae09 7\uc758 \ub0b4\uc2dd\uc131\uc744 \uc720\uc9c0\ud558\uba74\uc11c \uc54c\ub8e8\ubbf8\ub284\uc774\ub098 \ubc14\ub098\ub4d0\uacfc \uac19\uc740 \ud569\uae08 \uc6d0\uc18c\ub97c \ucca8\uac00\ud558\uc9c0 \uc54a\uace0 \ub354 \ub192\uc740 \uc124\uacc4 \uc751\ub825\uc774 \ud544\uc694\ud55c \uacbd\uc6b0\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub4f1\uae09 7\uacfc \ub3d9\uc77c\ud55c \uc81c\ud488 \ud615\ud0dc\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      11\ud559\ub144 \ub300 17\ud559\ub144<\/strong> \u2014 17\ub4f1\uae09\uc740 11\ub4f1\uae09\uacfc \ub3d9\uc77c\ud55c 1\ub4f1\uae09 \ubca0\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc9c0\ub9cc, \ud314\ub77c\ub4d0 \ud568\ub7c9\uc740 0.04\u20130.08 wt%\uc5d0 \ubd88\uacfc\ud558\uc5ec 11\ub4f1\uae09\uc758 \uc57d \uc808\ubc18 \uc218\uc900\uc785\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 \uc6d0\uc790\uc7ac \ube44\uc6a9\uc740 \uc808\uac10\ub418\uc9c0\ub9cc, \uc720\ud6a8 \ubd80\uc2dd \ubc94\uc704\ub294 \uc881\uc544\uc9d1\ub2c8\ub2e4. 17\ub4f1\uae09\uc740 11\/7\ub4f1\uae09\uc758 \uc804\uccb4 \ud314\ub77c\ub4d0 \ud568\ub7c9\uc774 \uacfc\uc789 \uc0ac\uc591\uc73c\ub85c \uac04\uc8fc\ub420 \uc218 \uc788\ub294 \uc57d\ud55c \ud658\uc6d0 \ud658\uacbd\uc5d0\uc11c\ub294 \uc801\uc808\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uacf5\uaca9\uc801\uc778 HCl \ub610\ub294 \uc628\ub09c\ud55c \ud669\uc0b0 \uc0ac\uc6a9 \ud658\uacbd\uc5d0\uc11c\ub294 17\ub4f1\uae09\uc744 \uc548\uc804\ud55c \ub300\uccb4\uc7ac\ub85c \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\ud559\ub144 \ub300\uc2e0 12\ud559\ub144<\/strong> \u2014 \uc77c\ubd80 \uc870\ub2ec \ud300\uc740 7\ub4f1\uae09\uacfc 12\ub4f1\uae09\uc744 \u201c\ub0b4\uc2dd\uc131\uc774 \ud5a5\uc0c1\ub41c\u201d \ud2f0\ud0c0\ub284\uc73c\ub85c \ube44\uad50\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc774 \ub450 \ub4f1\uae09\uc740 \ub3d9\ub4f1\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. Grade 12(Ti-0.3Mo-0.8Ni, UNS R53400)\ub294 \ud314\ub77c\ub4d0\ubcf4\ub2e4 \ud6e8\uc52c \uc800\ub834\ud55c \ub2c8\ucf08\uacfc \ubab0\ub9ac\ube0c\ub374\uc744 \ucca8\uac00\ud558\uc5ec \ud2c8\uc0c8 \ubd80\uc2dd \uc800\ud56d\uc131\uc744 \ud5a5\uc0c1\uc2dc\ucf30\uc2b5\ub2c8\ub2e4. Grade 12\ub294 \ud0ac\ub85c\uadf8\ub7a8\ub2f9 \ube44\uc6a9\uc774 \ub354 \uc800\ub834\ud569\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c Grade 12\ub294 Grade 7\uc5d0 \ubbf8\uce58\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \ub2c8\ucf08\uacfc \ubab0\ub9ac\ube0c\ub374\uc740 \ud314\ub77c\ub4d0\uc774 \uc81c\uacf5\ud558\ub294 \uc74c\uadf9 \ud0c8\ubd84\uadf9 \uba54\ucee4\ub2c8\uc998\uc744 \uc7ac\ud604\ud558\uc9c0 \ubabb\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc774 \ud2b9\ubcc4\ud788 \ud3c9\uac00\ub41c \ud658\uacbd(\ub530\ub73b\ud55c \ud76c\uc11d HCl, \ud658\uc6d0\uc131 \uc5fc\ud654\uc0b0 \ud658\uacbd)\uc758 \uacbd\uc6b0, \uadf8\ub808\uc774\ub4dc 12\ub294 \ub3d9\ub4f1\ud55c \ub300\uccb4\uc7ac\uac00 \uc544\ub2d9\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc0ac\uc591\uc11c\uc5d0 \u201829\ub4f1\uae09\u2019\uc774 \uba85\uc2dc\ub41c \uacbd\uc6b0<\/strong> \u2014 29\ud638 \ub4f1\uae09(Ti-3Al-2.5V + Pd)\uc740 \ud314\ub77c\ub4d0\uc744 \uc54c\ub8e8\ubbf8\ub284 \ubc0f \ubc14\ub098\ub4d0\uacfc \uacb0\ud569\uc2dc\ucf1c, \ud658\uc6d0\uc131 \ud658\uacbd\uc5d0\uc11c \ub0b4\uc2dd\uc131\uc774 \uc694\uad6c\ub418\ub294 \uace0\uac15\ub3c4 \uc6a9\ub3c4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \ub4f1\uae09\uc740 \ud56d\uacf5\uc6b0\uc8fc \ubd84\uc57c\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uac83\uc73c\ub85c, \uc77c\ubc18 \ud654\ud559 \uacf5\uc815 \uc7a5\ube44\uc5d0\ub294 \ud754\ud788 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

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

      7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc5d0\ub294 \ud314\ub77c\ub4d0\uc774 \uba87 \ud37c\uc13c\ud2b8 \ud3ec\ud568\ub418\uc5b4 \uc788\ub098\uc694?<\/strong><\/p>\n\n\n\n

      ASTM\uc740 7\ub4f1\uae09\uc5d0 \ub300\ud574 0.12~0.25 wt%\uc758 \ud314\ub77c\ub4d0 \ud568\ub7c9\uc744 \uaddc\uc815\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub370\uc774\ud130 \ucc38\uc870 \uc790\ub8cc \ubc0f \uc5c5\uacc4 \ubb38\ud5cc\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \uacf5\uce6d \uac12\uc740 0.15~0.20%\uc774\uba70, \ub54c\ub85c\ub294 \u201cTi-0.2Pd\u201d\ub85c \uc57d\uce6d\ub418\uae30\ub3c4 \ud569\ub2c8\ub2e4. 11\ub4f1\uae09\ub3c4 \ub3d9\uc77c\ud55c \ud314\ub77c\ub4d0 \ud568\ub7c9 \ubc94\uc704\ub97c \uac16\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ub0b4\uc2dd\uc131 \uce21\uba74\uc5d0\uc11c 7\uae09 \ud2f0\ud0c0\ub284\uc740 11\uae09 \ud2f0\ud0c0\ub284\uacfc \ub3d9\uc77c\ud55c\uac00\uc694?<\/strong><\/p>\n\n\n\n

      \ub124. \ub450 \ub4f1\uae09 \ubaa8\ub450 0.12\u20130.25 wt% Pd\ub97c \ud568\uc720\ud558\uace0 \uc788\uc73c\uba70, \ud604\uc7ac\uae4c\uc9c0 \uc5f0\uad6c\ub41c \ubaa8\ub4e0 \ubd80\uc2dd \ud658\uacbd\uc5d0\uc11c \ub3d9\uc77c\ud55c \uac70\ub3d9\uc744 \ubcf4\uc785\ub2c8\ub2e4. 7\ub4f1\uae09\uc740 \uae30\ubcf8 \uc870\uc131\uc774 1\ub4f1\uae09\uc5d0 \uc0c1\uc751\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c 2\ub4f1\uae09\uc5d0 \uc0c1\uc751\ud558\uae30 \ub54c\ubb38\uc5d0 \ud56d\ubcf5 \uac15\ub3c4\uac00 \ub354 \ub192\uc2b5\ub2c8\ub2e4(\ucd5c\uc18c 275 MPa \ub300 172 MPa). \uc0ac\uc591\uc5d0\uc11c \ucd5c\ub300 \uc131\ud615\uc131\uc744 \uac16\ucd98 7\ub4f1\uae09 \uc218\uc900\uc758 \ub0b4\uc2dd\uc131\uc744 \uc694\uad6c\ud558\ub294 \uacbd\uc6b0, \ud314\ub77c\ub4d0 \ud568\ub7c9\uc774 \ub354 \ub192\uc740 \ub4f1\uae09\uc774 \uc544\ub2cc 11\ub4f1\uae09\uc744 \uc120\ud0dd\ud574\uc57c \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \uc5fc\uc0b0\uc5d0 \uacac\ub51c \uc218 \uc788\uc744\uae4c\uc694?<\/strong><\/p>\n\n\n\n

      7\ub4f1\uae09\uc740 \uc2e4\uc628\uc5d0\uc11c \uc57d 20% \ub18d\ub3c4\uae4c\uc9c0\uc758 \ud76c\uc11d HCl\uc5d0 \ub0b4\uc131\uc744 \ubcf4\uc785\ub2c8\ub2e4. \uace0\uc628\uc5d0\uc11c\ub294 \ub18d\ub3c4 \ud55c\uacc4\uac00 \ub0ae\uc544\uc9c0\uba70, \uacf5\ud559\uc801 \uc5ec\uc720\ub97c \uc801\uc6a9\ud588\uc744 \ub54c 60\u00b0C\uc5d0\uc11c\ub294 \uc57d 5\u201310% \uc218\uc900\uc785\ub2c8\ub2e4. \uc815\ud655\ud55c \ud55c\uacc4\uce58\ub294 \uc628\ub3c4, \uc720\uc18d, \ud1b5\uae30 \uc0c1\ud0dc \ubc0f \uae30\ud0c0 \uc131\ubd84\uc758 \uc874\uc7ac \uc5ec\ubd80\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. \uc911\uc694\ud55c \uc6a9\ub3c4\uc758 \uacbd\uc6b0, \uc2e4\uc81c \uacf5\uc815 \ud750\ub984 \ub0b4\uc5d0\uc11c \ubd80\uc2dd \uc2dc\ud5d8\ud3b8\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \ud45c\uc900 \uc801\uaca9\uc131 \ud3c9\uac00 \ubc29\ubc95\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      \ud2f0\ud0c0\ub284\uc758 \uc21c\ub3c4\ub97c \ub354 \ub192\uc774\ub294 \ub300\uc2e0 \uc65c \ud314\ub77c\ub4d0\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc77c\uae4c\uc694?<\/strong><\/p>\n\n\n\n

      \uc21c\ub3c4\uac00 \ub354 \ub192\uc740 \ud2f0\ud0c0\ub284(1\ub4f1\uae09)\uc740 \uae30\uacc4\uc801 \uc5f0\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uc9c0\ub9cc, \ud658\uc6d0\uc131 \uc0b0 \ud658\uacbd\uc5d0\uc11c\uc758 \ub0b4\uc2dd\uc131\uc740 \uac1c\uc120\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4. \ud658\uc6d0\uc131 \ud658\uacbd\uc5d0\uc11c 2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc774 \uacaa\ub294 \ubb38\uc81c\ub294 \uc804\uae30\ud654\ud559\uc801 \uc131\uc9c8\uc5d0 \uae30\uc778\ud569\ub2c8\ub2e4. \uc989, \ubd80\uc2dd \uc804\uc704\uac00 \ud65c\uc131 \uc6a9\ud574 \uc601\uc5ed\uc5d0 \uc704\uce58\ud574 \uc788\uc73c\uba70, \uc774\ub97c \ubd80\ub3d9\ud0dc \uc601\uc5ed\uc73c\ub85c \ubc00\uc5b4\ub0bc \uc0b0\ud654\uc131 \ubb3c\uc9c8\uc774 \uc5c6\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uc21c\ub3c4\ub97c \ub192\uc5ec\ub3c4 \uc804\uae30\ud654\ud559\uc801 \ud2b9\uc131\uc740 \ubcc0\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \ubc18\uba74 \ud314\ub77c\ub4d0\uc740 \uc678\ubd80 \uc0b0\ud654 \ud658\uacbd\uacfc \ubb34\uad00\ud558\uac8c \uc804\uc704\ub97c \ubd80\ub3d9\ud0dc \uc601\uc5ed\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0a4\ub294 \uc74c\uadf9 \ubd80\uc704\ub97c \uc81c\uacf5\ud568\uc73c\ub85c\uc368 \uc774\ub7ec\ud55c \ud2b9\uc131\uc744 \ubcc0\ud654\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c 7\uae09 \uac15\uc885\uc740 \ud558\uc2a4\ud154\ub85c\uc774 C-276\uacfc \ube44\uad50\ud588\uc744 \ub54c \uc5b4\ub5a4\uac00\uc694?<\/strong><\/p>\n\n\n\n

      \ud558\uc2a4\ud154\ub85c\uc774 C-276(Ni-Mo-Cr \ud569\uae08)\uc740 \ud658\uc6d0\uc131 \ubc0f \uc0b0\ud654\uc131 \ud658\uacbd\uc744 \ud3ec\ud568\ud558\uc5ec \ub354 \ub113\uc740 \ubc94\uc704\uc758 \uc0b0 \ub18d\ub3c4\uc640 \uc628\ub3c4 \uc870\uac74\uc5d0\uc11c \ub354 \ud3ed\ub113\uc740 \ub0b4\uc2dd\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc740 C-276\uc774 \uacfc\uc0ac\uc591\uc73c\ub85c \uac04\uc8fc\ub420 \uc218 \uc788\ub294 \uc800\ub18d\ub3c4\uc5d0\uc11c \uc911\ub18d\ub3c4\uc758 \ud658\uc6d0\uc131 \uc0b0 \uc0ac\uc6a9 \ud658\uacbd\uc5d0\uc11c \ube44\uc6a9 \uba74\uc5d0\uc11c \ub354 \uacbd\uc7c1\ub825\uc774 \uc788\uc2b5\ub2c8\ub2e4. \ub610\ud55c \uadf8\ub808\uc774\ub4dc 7\uc740 C-276(8.89 g\/cm\u00b3)\uc5d0 \ube44\ud574 \ubc00\ub3c4\uac00 \ud604\uc800\ud788 \ub0ae\uc544(4.51 g\/cm\u00b3), \uad6c\uc870\uc801 \uc9c0\uc9c0 \uc694\uac74\uc744 \uc904\uc774\uace0 \uc911\ub7c9\uc5d0 \ubbfc\uac10\ud55c \uc124\uce58 \ube44\uc6a9\uc744 \uc808\uac10\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc758 \ubb38\uc11c\ud654\ub41c \uc801\uc6a9 \ubc94\uc704\ub97c \ucd08\uacfc\ud558\ub294 \ub18d\ub3c4\ub098 \uc628\ub3c4\uc758 \uacbd\uc6b0, C-276 \ub610\ub294 \ud0c4\ud0c8\ub7fc\uc774 \uc77c\ubc18\uc801\uc778 \ub300\uc548\uc73c\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\uae09\uacfc 11\uae09\uc740 \uc6a9\uc811\uc774 \uac00\ub2a5\ud55c\uac00\uc694?<\/strong><\/p>\n\n\n\n

      \ub124. \ub450 \ub4f1\uae09 \ubaa8\ub450 GTAW(TIG), GMAW, \ud50c\ub77c\uc988\ub9c8 \uc544\ud06c \ubc0f \uc804\uc790\ube54 \uacf5\uc815\uc744 \ud1b5\ud574 \uc6a9\uc811\uc774 \uc6a9\uc774\ud569\ub2c8\ub2e4. \ub2e4\ub978 \ud2f0\ud0c0\ub284 \uc6a9\uc811\uacfc \ub9c8\ucc2c\uac00\uc9c0\ub85c \uc6a9\uc811\uba74\uc5d0\ub294 \ubd88\ud65c\uc131 \uac00\uc2a4 \ucc28\ud3d0\ub97c, \uc6a9\uc811 \ubfcc\ub9ac\ubd80\uc5d0\ub294 \ubc31\ud37c\uc9c0 \ucc28\ud3d0\ub97c \uc801\uc6a9\ud574\uc57c \ud558\uba70, \uc6a9\uc811\ubd80\uac00 \uc57d 427\u00b0C(800\u00b0F) \uc774\ud558\ub85c \ub0c9\uac01\ub420 \ub54c\uae4c\uc9c0 \ub300\uae30 \uc624\uc5fc\uc73c\ub85c\ubd80\ud130 \ubcf4\ud638\ud574\uc57c \ud569\ub2c8\ub2e4. 11 \ub4f1\uae09 \uc6a9\uc811\ubd80\ub294 \uc5f4\uc601\ud5a5\ubd80\uc5d0\uc11c \uc794\ub958 \uc751\ub825\uc774 \uc57d\uac04 \ub0ae\uace0 \uc5f0\uc131\uc774 \ub2e4\uc18c \uc6b0\uc218\ud558\uba70, \uc774\ub294 \uc774 \ub4f1\uae09\uc774 \uc8fc\uae30\uc801 \uc0ac\uc6a9\uc5d0 \uc801\ud569\ud55c \uc694\uc778 \uc911 \ud558\ub098\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

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

      7\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc740 \ud314\ub77c\ub4d0\uc774 \ucca8\uac00\ub41c 2\ub4f1\uae09 \ud2f0\ud0c0\ub284\uc785\ub2c8\ub2e4. \ucca8\uac00 \ube44\uc6a9\uc740 \ud0ac\ub85c\uadf8\ub7a8\ub2f9 \ub354 \ub4e4\uc9c0\ub9cc, \ud45c\uc900 CP \ud2f0\ud0c0\ub284\uc774 \uacac\ub514\uc9c0 \ubabb\ud558\ub294 \ud658\uacbd\uc5d0\uc11c\ub294 \uadf8 \ube44\uc6a9\uc744 \uc0c1\uc1c4\ud558\uace0\ub3c4 \ub0a8\uc2b5\ub2c8\ub2e4. \ud314\ub77c\ub4d0\uc758 \uc791\uc6a9 \uba54\ucee4\ub2c8\uc998\uc740 \uc804\uae30\ud654\ud559\uc801\uc785\ub2c8\ub2e4. Pd\ub294 \ud569\uae08 \ud45c\uba74\uc758 \uc218\uc18c \uacfc\uc804\uc704\ub97c \ub0ae\ucd94\uc5b4, TiO\u2082 \ubd80\ub3d9\ud0dc\ub9c9\uc744 \uc790\uccb4\uc801\uc73c\ub85c \uc720\uc9c0\ud560 \uc218 \uc5c6\ub294 \ud658\uc6d0\uc131 \uc0b0\uc131 \ud658\uacbd\uc5d0\uc11c\ub3c4 \ubd80\uc2dd \uc804\uc704\ub97c \ubd80\ub3d9\ud0dc \uc601\uc5ed\uc73c\ub85c \uc774\ub3d9\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\uac83\uc774 \ubc14\ub85c 0.2%\uc758 \uadc0\uae08\uc18d\uc774 \uc2e4\uc6a9\uc801\uc778 \uce21\uba74\uc5d0\uc11c \uadf8\ud1a0\ub85d \uacb0\uc815\uc801\uc778 \ucc28\uc774\ub97c \ub9cc\ub4e4\uc5b4\ub0b4\ub294 \uc774\uc720\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

      11\ub4f1\uae09\uc740 7\ub4f1\uae09\uacfc \ub3d9\uc77c\ud55c \ud314\ub77c\ub4d0 \ud568\ub7c9\uc744 \uac00\uc9c0\ubbc0\ub85c \ub0b4\uc2dd\uc131\ub3c4 \ub3d9\uc77c\ud569\ub2c8\ub2e4. \uc774 \ub4f1\uae09\uc740 \ucd5c\ub300 \uc5f0\uc131, \uc791\uc740 \uad7d\ud798 \ubc18\uacbd \ub610\ub294 \uc2ec\uc555 \uc131\ud615\uc774 \uc694\uad6c\ub418\ub294 \uc6a9\ub3c4\uc5d0 \uc120\ud0dd\ub418\uba70, \uc774\ub7ec\ud55c \ud2b9\uc131\uc740 \uc0bd\uc785 \uc6d0\uc790 \ud568\ub7c9\uc774 \ub354 \ub0ae\uc740 1\ub4f1\uae09\uc744 \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc81c\uc57d \uc870\uac74\uc774 \uc5c6\ub294 \uacbd\uc6b0, \uadf8\ub808\uc774\ub4dc 7\uc774 \ud45c\uc900\uc801\uc778 \uc120\ud0dd\uc785\ub2c8\ub2e4. \uadf8\ub808\uc774\ub4dc 7\uc740 \uc785\uc218\uc131\uc774 \ub354 \ub6f0\uc5b4\ub098\uace0, \ud56d\ubcf5 \uac15\ub3c4\uac00 \ub354 \ub192\uc73c\uba70, \ub3d9\uc77c\ud55c \ub0b4\uc2dd\uc131\uc744 \uac16\ucd94\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

      7\ub4f1\uae09\uc758 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \uc801\uc6a9 \ubc94\uc704\ub97c \ubc97\uc5b4\ub09c \ud658\uacbd \u2014 20% \uc774\uc0c1\uc758 \ub18d\ucd95 HCl, \ub053\ub294 \ud76c\uc11d \ud669\uc0b0, \ubb34\uc218 HF \u2014 \uc758 \uacbd\uc6b0, \uc62c\ubc14\ub978 \ub300\uc548\uc740 \ud314\ub77c\ub4d0\uc744 \ub354 \uc0ac\uc6a9\ud558\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \uc644\uc804\ud788 \ub2e4\ub978 \ud569\uae08 \uacc4\uc5f4\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4: \ud2b9\uc815 \ud654\ud559\uc801 \uc131\ubd84\uc5d0 \ub530\ub77c \ud558\uc2a4\ud154\ub85c\uc774 C-276, \uc778\ucf54\ub12c 625 \ub610\ub294 \ud0c4\ud0c8\ub7fc\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

      Grade 7 titanium (UNS R52400, ASTM B265) is commercially pure titanium with 0.12\u20130.25 wt% palladium added. That small Pd addition fundamentally changes how the alloy behaves in reducing acid environments \u2014 environments where standard titanium grades corrode rapidly. Grade 11 carries the same palladium range but uses a lower-oxygen, lower-iron base (equivalent to Grade 1 […]<\/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-4381","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4381","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=4381"}],"version-history":[{"count":1,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4381\/revisions"}],"predecessor-version":[{"id":4387,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/posts\/4381\/revisions\/4387"}],"wp:attachment":[{"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/media?parent=4381"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/categories?post=4381"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/hontitan.com\/ko\/wp-json\/wp\/v2\/tags?post=4381"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}