\uc220\uc5b4<\/strong>\n\t<\/h2>\n\t\ucd08\uacbd\ud569\uae08<\/h4>\n
\uc774\uac83\uc740 \ub0b4\ud654\uc131 \uae08\uc18d \ud0c4\ud654\ubb3c \ubc0f \uae08\uc18d \uacb0\ud569 \uc81c\ub85c \uad6c\uc131\ub41c \uc18c\uacb0 \ubcf5\ud569\uc7ac\ub97c \ub9d0\ud569\ub2c8\ub2e4. \ud604\uc7ac \uc0ac\uc6a9\ub418\ub294 \uae08\uc18d \ud0c4\ud654\ubb3c \uc911\uc5d0\uc11c \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc (WC), \ud2f0\ud0c0\ub284 \uce74\ubc14\uc774\ub4dc (TiC), \ud0c4\ud0c8 \ud0c4\ud654\ubb3c (TaC) \ubc0f \ud0c4\ud0c8 \ud0c4\ud654\ubb3c (NbC)\uc774 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \uc131\ubd84\uc785\ub2c8\ub2e4. \ucf54\ubc1c\ud2b8 \uae08\uc18d\uc740 \ucd08\uacbd\ud569\uae08 \uc0dd\uc0b0\uc5d0 \ubc14\uc778\ub354\ub85c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ud2b9\uc815 \ud2b9\uc218 \uc6a9\ub3c4\ub97c \uc704\ud574 \ub2c8\ucf08 (Ni), \ucca0 (Fe) \ub4f1\uacfc \uac19\uc740 \ub2e4\ub978 \uae08\uc18d \uacb0\ud569\uc81c\ub97c \uc0ac\uc6a9\ud560 \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n
\ubc00\ub3c4<\/h4>\n\uc774\uac83\uc740 \ubb3c\uc9c8\uc758 \ubd80\ud53c\uc5d0 \ub300\ud55c \uc9c8\ub7c9\uc758 \ube44\uc728\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uadf8\uac83\uc758 \ubd80\ud53c\ub294 \ub610\ud55c \ubb3c\uc9c8 \ub0b4\uc758 \uae30\uacf5\uc758 \ubd80\ud53c\ub97c \ud3ec\ud568\ud55c\ub2e4. \ube44\uc911\uc774\ub77c\uace0\ub3c4\ud569\ub2c8\ub2e4.
\n\ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc (WC)\uc758 \ubc00\ub3c4\ub294 15.7 g \/ cm3\uc774\uace0, \ucf54\ubc1c\ud2b8 (Co)\uc758 \ubc00\ub3c4\ub294 8.9 g \/ cm3\uc774\uc5c8\ub2e4. \ub530\ub77c\uc11c, \ud145\uc2a4\ud150-\ucf54\ubc1c\ud2b8 \ud569\uae08 (WC-Co)\uc758 \ucf54\ubc1c\ud2b8 (Co) \ud568\ub7c9\uc774 \uac10\uc18c\ud568\uc5d0 \ub530\ub77c \uc804\uccb4 \ubc00\ub3c4\uac00 \uc99d\uac00 \ud560 \uac83\uc774\ub2e4. \ud2f0\ud0c0\ub284 \uce74\ubc14\uc774\ub4dc (TiC)\uc758 \ubc00\ub3c4\ub294 \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc\uc758 \ubc00\ub3c4\ubcf4\ub2e4 \uc791\uc9c0\ub9cc 4.9 g \/ cm3\uc5d0 \ubd88\uacfc\ud558\ubbc0\ub85c TiC\ub97c \ucca8\uac00\ud558\uac70\ub098 \ubc00\ub3c4\uac00 \ub0ae\uc740 \ub2e4\ub978 \uc131\ubd84\uc744 \uc0ac\uc6a9\ud558\uba74 \uc804\uccb4 \ubc00\ub3c4\uac00 \uac10\uc18c\ud569\ub2c8\ub2e4.
\n\uc7ac\ub8cc\uc758 \ud2b9\uc815 \ud654\ud559\uc801 \uc870\uc131\uc758 \uacbd\uc6b0, \uc7ac\ub8cc\uc758 \uae30\uacf5\uc758 \uc99d\uac00\ub294 \ubc00\ub3c4\uc758 \uac10\uc18c\ub97c \ucd08\ub798\ud55c\ub2e4.
\n\ubc00\ub3c4\ub294 \ubc30\uc218 \ubc95 (\uc544\ud0a4 \uba54\ub4dc \ubc95\uce59)\uc5d0 \uc758\ud574 \uce21\uc815\ub429\ub2c8\ub2e4.\n\uacbd\ub3c4<\/h4>\n\uc18c\uc131 \ubcc0\ud615\uc5d0 \uc800\ud56d\ud558\ub294 \uc7ac\ub8cc\uc758 \ub2a5\ub825\uc744 \ub9d0\ud569\ub2c8\ub2e4.
\n\ube44\ucee4\uc2a4 \uacbd\ub3c4 (HV)\ub294 \uad6d\uc81c\uc801\uc73c\ub85c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uc774 \uacbd\ub3c4 \uce21\uc815 \ubc29\ubc95\uc740 \ud2b9\uc815 \ud558\uc911 \uc870\uac74 \ud558\uc5d0\uc11c \uc0d8\ud50c\uc758 \ud45c\uba74\uc744 \uad00\ud1b5\ud558\uae30 \uc704\ud574 \ub2e4\uc774\uc544\ubaac\ub4dc\ub97c \uc0ac\uc6a9\ud558\uc5ec \uc555\uc785\uc758 \ud06c\uae30\ub97c \uce21\uc815\ud568\uc73c\ub85c\uc368 \uc5bb\uc5b4\uc9c4 \uacbd\ub3c4 \uac12\uc744 \uc9c0\uce6d\ud55c\ub2e4.
\n\ub85c\ud06c\uc6f0 \uacbd\ub3c4 (HRA)\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc0ac\uc6a9\ub418\ub294 \ub610 \ub2e4\ub978 \uacbd\ub3c4 \uce21\uc815 \ubc29\ubc95\uc785\ub2c8\ub2e4. \ud45c\uc900 \ub2e4\uc774\uc544\ubaac\ub4dc \ucf58\uc758 \uad00\ud1b5 \uae4a\uc774\ub97c \uc0ac\uc6a9\ud558\uc5ec \uacbd\ub3c4\ub97c \uce21\uc815\ud569\ub2c8\ub2e4.
\n\ucd08\uacbd\ud569\uae08\uc758 \uacbd\ub3c4 \uce21\uc815\uc5d0\ub294 \ube44\ucee4\uc2a4 \uacbd\ub3c4 \uce21\uc815\ubc95\uacfc \ub85c\ud06c\uc6f0 \uacbd\ub3c4 \uce21\uc815\ubc95\uc744 \ubaa8\ub450 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc73c\uba70, \ub450 \uac00\uc9c0\ub97c \uc11c\ub85c \ubcc0\ud658 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n\uad7d\ud798 \uac15\ub3c4<\/h4>\n\uc0d8\ud50c\uc740 \ub450 \uac1c\uc758 \ubc1b\uce68\uc810\uc5d0\uc11c \uac04\ub2e8\ud788\uc9c0\uc9c0\ub418\ub294 \ube54\uc73c\ub85c \uacf1\ud574\uc9c0\uba70, \uc0d8\ud50c\uc774 \ud30c\uc190\ub420 \ub54c\uae4c\uc9c0 \ub450 \ubc1b\uce68\uc810\uc758 \uc911\uc2ec\uc120\uc5d0 \ud558\uc911\uc774 \uac00\ud574\uc9d1\ub2c8\ub2e4. \uad8c\uc120 \uacf5\uc2dd\uc5d0 \uc758\ud574 \uacc4\uc0b0 \ub41c \uac12\uc740 \ud30c\ub2e8\uc5d0 \ud544\uc694\ud55c \ud558\uc911\uacfc \uc0d8\ud50c\uc758 \ub2e8\uba74\uc801\uc5d0 \ub530\ub77c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \uac00\ub85c \ud30c\uc5f4 \uac15\ub3c4 \ub610\ub294 \uad7d\ud798 \uc800\ud56d\uc774\ub77c\uace0\ub3c4\ud569\ub2c8\ub2e4.
\n\ud145\uc2a4\ud150 \ucf54\ubc1c\ud2b8 \ud569\uae08 (WC-Co)\uc5d0\uc11c, \ud145\uc2a4\ud150 \ucf54\ubc1c\ud2b8 \ud569\uae08\uc758 \ucf54\ubc1c\ud2b8 (Co) \ud568\ub7c9\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uad74\uace1 \uac15\ub3c4\uac00 \uc99d\uac00\ud558\uc9c0\ub9cc, \ucf54\ubc1c\ud2b8 (Co) \ud568\ub7c9\uc774 \uc57d 15%\uc5d0 \ub3c4\ub2ec\ud558\uba74, \uad74\uace1 \uac15\ub3c4\uac00 \ucd5c\ub300 \uac12\uc5d0 \ub3c4\ub2ec\ud55c\ub2e4 . \ub5a8\uc5b4\uc9c0\uae30 \uc2dc\uc791\ud569\ub2c8\ub2e4.
\n\uad7d\ud798 \uac15\ub3c4\ub294 \uc5ec\ub7ec \uce21\uc815 \uac12\uc758 \ud3c9\uade0\uc73c\ub85c \uce21\uc815\ub429\ub2c8\ub2e4. \uc774 \uac12\uc740 \uc2dc\ud3b8\uc758 \uc9c0\uc624\uba54\ud2b8\ub9ac, \ud45c\uba74 \uc0c1\ud0dc (\ubd80\ub4dc\ub7ec\uc6c0), \ub0b4\ubd80 \uc751\ub825 \ubc0f \uc7ac\ub8cc\uc758 \ub0b4\ubd80 \uacb0\ud568\uc774 \ubcc0\ud568\uc5d0 \ub530\ub77c \ubcc0\uacbd\ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uad7d\ud798 \uac15\ub3c4\ub294 \uac15\ub3c4\uc758 \uce21\uc815\uce58 \uc77c \ubfd0\uc774\uba70, \uad7d\ud798 \uac15\ub3c4 \uac12\uc740 \uc7ac\ub8cc \uc120\ud0dd\uc758 \uae30\ucd08\ub85c \uc0ac\uc6a9\ub420 \uc218 \uc5c6\ub2e4.\n\uc720\ud574\uc131<\/h4>\n\ucd08\uacbd\ud569\uae08\uc740 \uc555\ucd95 \ubc0f \uc18c\uacb0\uc744 \ud1b5\ud574 \ubd84\ub9d0 \uc57c\uae08 \uacf5\uc815\uc5d0 \uc758\ud574 \uc0dd\uc131\ub429\ub2c8\ub2e4. \uacf5\uc815\uc758 \ud2b9\uc131\uc73c\ub85c \uc778\ud574, \ubbf8\ub7c9\uc758 \uc794\ub958 \ub2e4\uacf5\uc131\uc774 \uc81c\ud488\uc758 \uc57c\uae08 \uad6c\uc870\uc5d0 \uc874\uc7ac\ud560 \uc218\uc788\ub2e4.
\n\uc794\ub958 \uacf5\uadf9 \ubd80\ud53c\ub294 \uacf5\uadf9 \ud06c\uae30 \ubc94\uc704 \ubc0f \ubd84\ud3ec\uc5d0 \ub300\ud55c \ub9f5 \ube44\uad50 \uc808\ucc28\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud3c9\uac00\ub41c\ub2e4.
\n\ud0c0\uc785 A (A- \ud0c0\uc785) : 10 \u03bcm \ubbf8\ub9cc.
\n\ud0c0\uc785 B (B- \ud0c0\uc785) : 10 \u03bcm ~ 25 \u03bcm.
\n\ub2e4\uacf5\uc131\uc758 \uac10\uc18c\ub294 \uc81c\ud488\uc758 \uc804\ubc18\uc801\uc778 \uc131\ub2a5\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc555\ub825 \uc18c\uacb0 \uacf5\uc815\uc740 \ub2e4\uacf5\uc131\uc744 \uac10\uc18c\uc2dc\ud0a4\ub294 \ud6a8\uacfc\uc801\uc778 \uc218\ub2e8\uc774\ub2e4.\n\uac10\uc1c4<\/h4>\n\ucd08\uacbd\ud569\uae08\uc774 \uc18c\uacb0 \ub41c \ud6c4, \ud0c4\uc18c \ud568\ub7c9\uc774 \ubd88\ucda9\ubd84\ud558\ub2e4.
\n\uc81c\ud488\uc774 \ud0c8\ud0c4\ub418\uba74 \uc870\uc9c1\uc774 WC-Co\uc5d0\uc11c W2CCo2 \ub610\ub294 W3CCo3\uc73c\ub85c \ubc14\ub01d\ub2c8\ub2e4. \ucd08\uacbd\ud569\uae08 (WC)\uc5d0\uc11c \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc\uc758 \uc774\uc0c1\uc801\uc778 \ud0c4\uc18c \ud568\ub7c9\uc740 6.13%\uc785\ub2c8\ub2e4. \ud0c4\uc18c \ud568\ub7c9\uc774 \ub108\ubb34 \ub0ae \uc73c\uba74, \uc81c\ud488\uc5d0 \uba85\ubc31\ud55c \ud0c4\uc18c \ubd80\uc871 \uad6c\uc870\uac00\uc788\uc744 \uac83\uc774\ub2e4.
\n\ud0c8\ud0c4 \ucc98\ub9ac\ub294 \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc \uc2dc\uba58\ud2b8\uc758 \uac15\ub3c4\ub97c \ud06c\uac8c \uc904\uc774\uace0 \ucde8\uc131\uc744 \ub354 \ub192\uc5ec\uc90d\ub2c8\ub2e4.\n\uce68\ud0c4<\/h4>\n\ucd08\uacbd\ud569\uae08 \uc18c\uacb0 \ud6c4 \uacfc\ub3c4\ud55c \ud0c4\uc18c \ud568\ub7c9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\ucd08\uacbd\ud569\uae08 (WC)\uc5d0\uc11c \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc\uc758 \uc774\uc0c1\uc801\uc778 \ud0c4\uc18c \ud568\ub7c9\uc740 6.13%\uc785\ub2c8\ub2e4. \ud0c4\uc18c \ud568\ub7c9\uc774 \ub108\ubb34 \ub192\uc73c\uba74, \uc81c\ud488 \ub0b4\uc5d0 \uba85\ubc31\ud55c \uce68\ud0c4 \uad6c\uc870\uac00\uc788\uc744 \uac83\uc774\ub2e4. \uc81c\ud488\uc5d0 \uacfc\ub7c9\uc758 \uc720\ub9ac \ud0c4\uc18c\uac00\uc788\uc744 \uac83\uc785\ub2c8\ub2e4.
\n\uc720\ub9ac \ud0c4\uc18c\ub294 \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc\uc758 \uac15\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud06c\uac8c \uc904\uc785\ub2c8\ub2e4.
\n\uc0c1 \uac80\ucd9c\uc5d0\uc788\uc5b4\uc11c\uc758 C \ud615 \uc138\uacf5\uc740 \uce68\ud0c4\ub3c4\ub97c \ub098\ud0c0\ub0b8\ub2e4.\n\uac15\uc81c\ub825<\/h4>\n\ubcf4\uc790\ub825\uc740 \ucd08\uacbd\ud569\uae08\uc758 \uc790\uc131 \ubb3c\uc9c8\uc744 \ud3ec\ud654 \uc0c1\ud0dc\ub85c \uc790\ud654\uc2dc\ud0a8 \ud6c4 \uc790\uae30 \ud654\ud558\uc5ec \uce21\uc815 \ub41c \uc794\ub958 \uc790\ub825\uc785\ub2c8\ub2e4.
\n\ucd08\uacbd\ud569\uae08\uc758 \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\uc640 \ubcf4\uc790\ub825 \uc0ac\uc774\uc5d0\ub294 \uc9c1\uc811\uc801\uc778 \uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc790\ud654\uc0c1\uc758 \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\uac00 \ub192\uc744\uc218\ub85d \ubcf4\uc790\ub825 \uac12\uc774 \ub192\uc2b5\ub2c8\ub2e4.\n\uc790\uae30 \ud3ec\ud654<\/h4>\n\ucf54\ubc1c\ud2b8 (Co)\ub294 \uc790\uc131 \uc778 \ubc18\uba74 \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc (WC), \ud2f0\ud0c0\ub284 \uce74\ubc14\uc774\ub4dc (TiC), \ud0c4\ud0c8 \ud0c4\ud654\ubb3c (TaC) \ubc0f \ud0c4\ud0c8 \ud0c4\ud654\ubb3c (VC)\uc740 \ube44\uc790 \uc131\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c, \uba3c\uc800, \ud558\ub098\uc758 \ubb3c\uc9c8\uc5d0\uc11c \ucf54\ubc1c\ud2b8\uc758 \uc790\uae30 \ud3ec\ud654 \uac12\uc774 \uce21\uc815\ub418\uace0, \uc21c\uc218\ud55c \ucf54\ubc1c\ud2b8 \uc0d8\ud50c\uc758 \ud574\ub2f9 \uac12\uacfc \ube44\uad50 \ub420 \ub54c, \uc790\uae30 \ud3ec\ud654\uac00 \ud569\uae08 \uc6d0\uc18c\uc5d0 \uc758\ud574 \uc601\ud5a5\uc744 \ubc1b\uae30 \ub54c\ubb38\uc5d0 \ucf54\ubc1c\ud2b8 \ubc14\uc778\ub354\uc0c1\uc758 \ud569\uae08 \uc218\uc900\uc774 \uc5bb\uc5b4 \uc9c8 \uc218\uc788\ub2e4 . \ub530\ub77c\uc11c, \ubc14\uc778\ub354\uc0c1\uc758 \uc784\uc758\uc758 \ubcc0\ud654\uac00 \uce21\uc815 \ub420 \uc218\uc788\ub2e4. \uc774 \ubc29\ubc95\uc740 \ud0c4\uc18c\uac00 \uc870\uc131 \uc81c\uc5b4\uc5d0\uc11c \uc911\uc694\ud55c \uc5ed\ud560\uc744\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774\uc0c1\uc801\uc778 \ud0c4\uc18c \ud568\ub7c9\uc758 \ud3b8\ucc28\ub97c \uacb0\uc815\ud558\ub294 \ub370 \uc0ac\uc6a9\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
\n\ub0ae\uc740 \uc790\uae30 \ud3ec\ud654\ub3c4 \uac12\uc740 \ub0ae\uc740 \ud0c4\uc18c \ud568\ub7c9 \ubc0f \ud0c8\ud0c4 \uac00\ub2a5\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.
\n\ub192\uc740 \uc790\uae30 \ud3ec\ud654 \uac12\uc740 \uc720\ub9ac \ud0c4\uc18c \ubc0f \uce68\ud0c4\uc758 \uc874\uc7ac\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4.\n\ucf54\ubc1c\ud2b8 \ud480<\/h4>\n\uae08\uc18d \ucf54\ubc1c\ud2b8 (Co) \uacb0\ud569\uc81c \ubc0f \ud145\uc2a4\ud150 \uce74\ubc14\uc774\ub4dc\uac00 \uc18c\uacb0 \ub41c \ud6c4, \uacfc\ub3c4\ud55c \uc591\uc758 \ucf54\ubc1c\ud2b8\uac00 \uc0dd\uc131 \ub420 \uc218 \uc788\uc73c\uba70, \ud604\uc0c1\uc740 "\ucf54\ubc1c\ud2b8 \ud480"\ub85c \uc54c\ub824\uc838\uc788\ub2e4. \uc774\ub294 \uc8fc\ub85c \uc18c\uacb0 \uc628\ub3c4\uac00 \ub108\ubb34 \ub0ae\uac70\ub098, \uc7ac\ub8cc \ud615\uc131 \ubc00\ub3c4\uac00 \ubd88\ucda9\ubd84\ud558\uac70\ub098, HIP (\uc555\ub825 \uc18c\uacb0) \ucc98\ub9ac \ub3d9\uc548 \uae30\uacf5\uc774 \ucf54\ubc1c\ud2b8\ub85c \ucc44\uc6cc\uc838 \uc788\uae30 \ub54c\ubb38\uc774\ub2e4. \ucf54\ubc1c\ud2b8 \ud480\uc758 \ud06c\uae30\ub294 \uae08\uc18d \uc0ac\uc9c4\uc744 \ube44\uad50\ud558\uc5ec \uacb0\uc815\ub429\ub2c8\ub2e4.
\n\ucd08\uacbd\ud569\uae08\uc5d0 \ucf54\ubc1c\ud2b8 \ud480\uc774 \uc788\uc73c\uba74 \ub0b4\ub9c8\ubaa8\uc131\uacfc \uc7ac\ub8cc \uac15\ub3c4\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\n\t\t\ub354 \uc54c\uc544\ubcfc \uc900\ube44\uac00 \ub418\uc168\uc2b5\ub2c8\uae4c?<\/h3>\n\t\t
\uc790\uc138\ud55c \ub0b4\uc6a9\uc740 \uc624\ub298 \ubb38\uc758\ud558\uc2ed\uc2dc\uc624!<\/p>\n\t\n\t\t\t\t\t\uc5ec\uae30\ub97c \ud074\ub9ad\ud558\uc2ed\uc2dc\uc624\n\t<\/a>\n