{"id":1182,"date":"2018-05-28T07:09:15","date_gmt":"2018-05-28T07:09:15","guid":{"rendered":"https:\/\/www.mcctcarbide.com\/research-progress-of-nano-ultrafine-wc-co-cemented-carbides\/"},"modified":"2020-05-04T13:31:39","modified_gmt":"2020-05-04T13:31:39","slug":"research-progress-of-nano-ultrafine-wc-co-cemented-carbides","status":"publish","type":"post","link":"https:\/\/www.meetyoucarbide.com\/ko\/research-progress-of-nano-ultrafine-wc-co-cemented-carbides\/","title":{"rendered":"Nano \/ Ultrafine WC\uc758 \uc5f0\uad6c \uc9c4\ud589 \u2013 \ucd08\uacbd\ud569\uae08"},"content":{"rendered":"<div class=\"vgblk-rw-wrapper limit-wrapper\">\uac1c\uc694 : \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC \u2013 Co \ucd08\uacbd\ud569\uae08\uc758 \uc81c\uc870\ub97c\uc704\ud55c \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc694\uc18c\ub294 \uace0\ud488\uc9c8 \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC \u2013 Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc900\ube44 \ubc0f \uc18c\uacb0 \uc911 \uc785\uc790 \uc131\uc7a5 \uc81c\uc5b4\uc785\ub2c8\ub2e4. \ucd5c\uadfc \uba87 \ub144\uac04 \uad6d\ub0b4\uc678\uc5d0\uc11c \uc9c4\ud589\ub41c \uc5f0\uad6c\ub294 nano \/ ultrafine WC \u2013 Co \ubcf5\ud569 \ubd84\ub9d0 \uc81c\uc870 \ubc29\ubc95\uacfc nano \/ ultrafine WC \u2013 Co \ucd08\uacbd\ud569\uae08 \ub9c1 \uae30\uc220\uc5d0 \ub300\ud574 \uc885\ud569\uc801\uc73c\ub85c \uac80\ud1a0\ub429\ub2c8\ub2e4. \ub610\ud55c, \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC \u2013 Co \ucd08\uacbd\ud569\uae08\uc758 \uac1c\ubc1c \uc804\ub9dd\uacfc \ud5a5\ud6c4 \uc5f0\uad6c \ucd08\uc810\uc5d0 \ub300\ud574\uc11c\ub3c4 \ub17c\uc758\ud569\ub2c8\ub2e4. \ud0a4\uc6cc\ub4dc : \ucd08\uacbd\ud569\uae08, \ub098\ub178 \/ \ucd08 \ubbf8\uc138 \uacb0\uc815; WC \u2013 Co \ubcf5\ud569 \ubd84\ub9d0; \ucd08\uacbd\uc740 \ub0b4\ud654 \uae08\uc18d \uacbd\uc9c8 \ud654\ud569\ubb3c (\uc8fc\ub85c WC, TiC, TaC, NbC, VC, Cr 3 C 2, Mo 2 C \ub4f1)\uc744 \uacbd\uc0c1 \ubc0f \uacb0\ud569 \uae08\uc18d (\uc8fc\ub85c Fe\ub97c \ub098\ud0c0\ub0c4) , Co, Ni \ub4f1) \uacb0\ud569\uc81c \uc0c1\uc73c\ub85c\uc11c, \ubd84\ub9d0 \uc57c\uae08\uc5d0 \uc758\ud574 \uc81c\uc870 \ub41c \ud569\uae08 \uc7ac\ub8cc. \ucd08\uacbd\ud569\uae08\uc740 \ucd08\uace0\uc18d \uac15, \ub2e4\uc774\uc544\ubaac\ub4dc, \uc138\ub77c\ubbf9 \ubc0f \uae30\ud0c0 \uc7ac\ub8cc\uc5d0 \ube44\ud574 \uac15\ub3c4\uac00 \uc6b0\uc218 \ud560\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc778\uc131\uc774 \uc6b0\uc218\ud569\ub2c8\ub2e4. \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \uacf5\uad6c \uc7ac\ub8cc \uc911 \ud558\ub098\uc774\uba70 \uc911\uad6d\uc758 \uc0b0\uc5c5 \uc81c\uc870 \ubc0f \uad6d\uac00 \uacbd\uc81c \uac1c\ubc1c\uc744 \ucd09\uc9c4\ud558\ub294 \uc5ed\ud560\uc744\ud569\ub2c8\ub2e4. \uacb0\uc815\uc801\uc778 \uc5ed\ud560. \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \ud0c4\ud654\ubb3c (\ud569\uae08\uc758 \ud3c9\uade0 WC \uc785\uc790 \ud06c\uae30\uac00 0.1 ~ 0.6 \u03bcm \uc778 \uacbd\uc6b0)\uc740 \uae30\uc874\uc758 \ucd08\uacbd\ud569\uae08\uc758 \uacbd\ub3c4\uc640 \uc778\uc131\uc758 \ubd88\uc77c\uce58\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uadf9\ubcf5 \ud560\ubfd0\ub9cc \uc544\ub2c8\ub77c \ucde8\uc131 \ubc0f \uacf5\uc815 \uc5f0\ud654\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uadf9\ubcf5 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubb38\uc81c\ub294 \ub192\uc740 \uacbd\ub3c4\uc640 \uc778\uc131\uc758 \ub450 \ubc30 \ub192\uc740 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \uc774\uc81c \uc9d1\uc801 \ud68c\ub85c \uae30\ud310 \ucc98\ub9ac \uc6a9 \ub9c8\uc774\ud06c\ub85c \ub4dc\ub9b4, \ub3c4\ud2b8 \ub9e4\ud2b8\ub9ad\uc2a4 \ud504\ub9b0\ud130 \uc778\uc1c4 \ub2c8\ub4e4, \uc804\uccb4 \ud640 \uac00\uacf5 \ud234 \ubc0f \ubc00\ub9c1 \ucee4\ud130\uc640 \uac19\uc740 \uc77c\ub828\uc758 \uace0\uae09 \uce74\ubc14\uc774\ub4dc \uc81c\ud488\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. , \uce58\uacfc \uc6a9 \ub4dc\ub9b4 \ubc0f \uc815\ubc00 \uae08\ud615 \ub4f1\uc740 \ud56d\uacf5 \uc6b0\uc8fc, \uc815\ubc00 \uac00\uacf5, \uc804\uc790 \uc0b0\uc5c5, \uc815\ubc00 \uc81c\uc870 \ubc0f \uae30\ud0c0 \ubd84\uc57c\uc5d0\uc11c \ub110\ub9ac \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ubd84\ub9d0 \uc57c\uae08 \ubc95\uc740 \ucd08\uacbd\ud569\uae08\uc758 \uc81c\uc870\uc5d0 \ucc44\ud0dd\ub418\uae30 \ub54c\ubb38\uc5d0, \ub2e8\uacc4\ub294 \ubd84\ub9d0 \uc81c\uc870, \uc555\ucd95 \ubc0f \uc18c\uacb0\uc744 \ud3ec\ud568\ud55c\ub2e4. \ub530\ub77c\uc11c, \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 WC-Co \ucd08\uacbd\ud569\uae08\uc758 \uc81c\uc870\ub97c\uc704\ud55c \ub450 \uac00\uc9c0 \uc8fc\uc694 \uc694\uc18c\ub294 \uace0\ud488\uc9c8 \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \uacb0\uc815 \ubd84\ub9d0\uc774\ub2e4. \uc900\ube44 \ubc0f \uc18c\uacb0 \uc911 \uace1\ubb3c \uc131\uc7a5 \uc81c\uc5b4. \ubcf8 \ub17c\ubb38\uc5d0\uc11c\ub294 \ucd5c\uadfc \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uacfc \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 \uc785\uc790 \ud0c4\ud654\ubb3c \uc18c\uacb0 \uae30\uc220\uc758 \ud569\uc131\uc744 \uac80\ud1a0\ud558\uace0 \uac80\ud1a0\ud558\uace0\uc788\ub2e4 .1 \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc81c\uc870 \ubc29\ubc95 \uacf5\ub3d9 \ubcf5\ud569 \ubd84\ub9d0\uc740 \ub2e4\uc74c\uacfc \uac19\ub2e4 : 1) WO 3\uc740 700-900 \u2103\uc758 \uc628\ub3c4 \ubc94\uc704\uc5d0\uc11c \uc218\uc18c \ud658\uc6d0\uc5d0 \uc758\ud574 \uc5bb\uc5b4 W \ubd84\ub9d0\uc744 \uc5bb\ub294\ub2e4; 2) W \ubd84\ub9d0 \ubc0f C \ubd84\ub9d0\uc740 1400 \ub0b4\uc9c0 1600 \u2103\uc758 \uc628\ub3c4 \ubc94\uc704\uc5d0\uc11c \ud63c\ud569\ub41c\ub2e4. \ud0c4\ud654\uc2dc\ucf1c WC \ubd84\ub9d0\uc744 \uc5bb\ub294 \ub2e8\uacc4; 3) WC \ubd84\ub9d0\uacfc Co \ubd84\ub9d0\uc744 \ud63c\ud569\ud558\uc5ec WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\uc5c8\ub2e4. \uc804\ud1b5\uc801\uc778 \uacf5\uc815 \ubc29\ubc95\uc740 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc81c\uc870\ud558\uae30\uc704\ud55c \uc774\uc0c1\uc801\uc778 \ubc29\ubc95\uc774 \uc544\ub2c8\uba70, \ub9ce\uc740 \ub2e8\uc810\uc774\uc788\ub2e4. \uc6b0\uc120, W \ubc0f C \ubd84\ub9d0\uc758 \ub192\uc740 \ud0c4\ud654 \uc628\ub3c4\ub294 \ubd84\ub9d0\uc758 \uc785\uc790 \uc131\uc7a5\uc744 \uc27d\uac8c \uc720\ubc1c\ud560 \uc218 \uc788\uace0 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec\uc758 \uade0\uc77c\uc131\uc5d0 \uc601\ud5a5\uc744 \uc904 \uc218\uc788\ub2e4. \ub458\uc9f8, \uc804\ud1b5\uc801\uc778 \uacf5\uc815\uc5d0\uc11c \ubd84\ub9d0\uc758 \ud488\uc9c8\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ub9ce\uc740 \uc694\uc18c\uac00 \uc788\uc73c\uba70, \ubd84\ub9d0 \ud2b9\uc131\uc744 \uc81c\uc5b4\ud558\ub294 \uac83\uc740 \uc5b4\ub835\ub2e4. \ub9c8\uc9c0\ub9c9\uc73c\ub85c \uc804\ud1b5\uc801\uc778 \ubc29\ubc95 \uae34 \uacf5\uc815 \ud750\ub984 \ubc0f \uc0dd\uc0b0\uc8fc\uae30, \ub192\uc740 \uc0dd\uc0b0 \ube44\uc6a9 \uac70\uc758 20 \ub144\uc758 \uac1c\ubc1c \ub05d\uc5d0 \uc804\uc138\uacc4\uc758 \uc5f0\uad6c\uc6d0\ub4e4\uc758 \ub04a\uc784\uc5c6\ub294 \ub178\ub825\uc73c\ub85c \ub9ce\uc740 \uc0c8\ub85c\uc6b4 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0 \uc81c\uc870 \ubc29\ubc95\uc774 \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\ub4e4\uc740 \ud558\ud5a5\uc2dd \ubc0f \uc0c1\ud5a5\uc2dd \uc811\uadfc \ubc29\uc2dd\uc758 \ub450 \uac00\uc9c0 \uc8fc\uc694 \ubc94\uc8fc\ub85c \ub098\ub20c \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc0c1\ud5a5\uc2dd \ubc29\ubc95\uc740 \ubbf8\uc138\ud55c \uc218\uc900\uc758 \uc6d0\uc790 \ub610\ub294 \ubd84\uc790 \uc218\uc900\uc5d0\uc11c \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 \uacb0\uc815 \uc131 \ubd84\ub9d0\uc744 \uc5bb\ub294 \uac83\uc744 \ub9d0\ud558\uba70, \uc5ec\uae30\uc5d0\ub294 \uc8fc\ub85c \uc6a9\uc561 \ubc29\ubc95 (\uc878-\uac94\ubc95, \uacf5 \uce68\ubc95, \ubd84\ubb34 \uac74\uc870 \ubcc0\ud658\ubc95) \ubc0f \uae30\uc0c1 \ud569\uc131\uc774 \ud3ec\ud568\ub429\ub2c8\ub2e4 . \ubc95\ub960 \ub4f1. \ud558\ud5a5\uc2dd \ubc29\ubc95\uc740 \ud070 \uc785\uc790\uc640 \uac19\uc740 \uac70\uc2dc\uc801 \uad00\uc810\uc5d0\uc11c \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \uacb0\uc815 \ubd84\ub9d0\uc744 \uc5bb\ub294 \uac83\uc744 \ub9d0\ud55c\ub2e4. \uc8fc\uc694 \ubc29\ubc95\uc73c\ub85c\ub294 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub9bc 1 \ub098\ub178 \uacb0\uc815 \ud0c4\ud654\ubb3c WC-7Co \ubc0f WC-10Co1\uc758 \uc785\uc790 \ud06c\uae30. 1 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1 \uc804\ud1b5\uc801\uc778 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc740 \uc6d0\ub8cc \ubd84\ub9d0\uacfc \uadf8\ub77c\uc778\ub529 \ubcfc\uc744 \uc77c\uc815\ud55c \ube44\uc728\ub85c \ubcfc \ubc00 \ud0f1\ud06c\uc5d0 \ucda9\uc804\ud558\uace0 \uadf8\ub77c\uc778\ub529 \ubcfc\uc758 \uc601\ud5a5\uc744 \ud1b5\ud574 \ubd84\ub9d0\uc774 \uc555\ucd9c\ub418\ub3c4\ub85d \uac15\uc81c\ud558\ub294 \ubd88\ud65c\uc131 \uac00\uc2a4\ub97c \ub3c4\uc785\ud569\ub2c8\ub2e4 \u2013 \ub0c9\uac04 \uc6a9\uc811 \u2013 \uc785\uc790 \uc815\uc81c\ub97c\uc704\ud55c \ubd84\uc1c4 \uacf5\uc815 \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc81c\uc870. EL-ESKANDARANY MS\ub294 \ubcfc \ubd84\ub9d0\ub85c \uac15\ucca0 \ubcfc\uc744 \uc0ac\uc6a9\ud558\uc5ec W \ubd84\ub9d0 (d &lt;196 \u03bcm) \ubc0f C \ubd84\ub9d0 (d &lt;45 \u03bcm)\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uace0 10 : 1\uc758 \ubcfc \uc7ac\ub8cc \ube44\uc728\ub85c \uc804\uccb4 \ubcfc \ubc00\ub9c1\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. 120 \uc2dc\uac04 \ub3d9\uc548. \ub098\ub178 WC \ud30c\uc6b0\ub354. \uadf8\ub7ec\ub098, \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc81c\uc870\ud558\uae30 \uc704\ud574 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc744 \uc0ac\uc6a9\ud558\uba74 \ubcfc \ubc00\ub9c1 \uc2dc\uac04\uc774 \uae38\uace0 \ubc00\ub9c1 \ud6c4 \ubd84\ub9d0\uc774 \ubd88\uc21c\ud558\uba70 \uc791\uc5c5 \ud6a8\uc728\uc774 \ub0ae\ub2e4\ub294 \ub2e8\uc810\uc774\uc788\ub2e4. \uae30\uc874\uc758 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc758 \ub2e8\uc810\uc744 \uadf9\ubcf5\ud558\uae30 \uc704\ud574 \uce74\ubc14\uc774\ub4dc \ubcfc\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubd84\ub9d0\uc758 \uc624\uc5fc\uc744 \uc904\uc774\uae30 \uc704\ud574 \uadf8\ub77c\uc778\ub529 \ubcfc\ub85c \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0 \uace0 \uc5d0\ub108\uc9c0 \uc774\uc911 \uad6c\ub3d9 \uc720\uc131 \ubc00, \uae30\uacc4 \ud654\ud559 \ud569\uc131 \ubc0f \ud1b5\ud569 \uae30\uacc4 \ubc0f \uc5f4 \ud65c\uc131\ud654\uc640 \uac19\uc740 \uc0c8\ub85c\uc6b4 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1 \uacf5\uc815\ub3c4 \uac1c\ubc1c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc8fc\ub85c \ubc00 \ubc30\ub7f4\uc758 \ud68c\uc804\uacfc \ud68c\uc804\uc744 \uacb0\ud569\ud558\uace0 \ubcfc \ubc00\ub9c1 \uacf5\uc815\uc5d0\uc11c \uc0dd\uc131 \ub41c \uc911\ub825 \uac00\uc18d \ud544\ub4dc\ub97c \ud1b5\ud574 \ud6a8\uc728\uc744 \ub192\uc785\ub2c8\ub2e4. BUTLER BG et al. \uace0 \uc5d0\ub108\uc9c0 \ub4c0\uc5bc \ub4dc\ub77c\uc774\ube0c \uc720\uc131 \ubcfc \ubc00\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub2e8 10 \uc2dc\uac04 \ub9cc\uc5d0 0.8\u03bcm WC \ubc0f WC-Co \ubd84\ub9d0\uc758 \uc785\uc790 \ud06c\uae30\ub97c 10-20nm\ub85c \uc904\uc600\uc2b5\ub2c8\ub2e4. \uae30\uacc4\uc801 \ud654\ud559\uc801 \ud569\uc131\uc740 \ubcfc \ubc00\ub9c1 \uacf5\uc815\uc5d0\uc11c \ud654\ud559 \ubc18\uc751\uc758 \ub3c4\uc785\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\uc5d0 \uc758\ud574 \ubc00\ub9c1 \uc2dc\uac04\uc774 \ub2e8\ucd95\ub418\uace0 \ubc00\ub9c1 \ud6a8\uc728\uc774 \ud5a5\uc0c1\ub41c\ub2e4. \uae30\uacc4 \ud654\ud559\uc801 \ud569\uc131\uc740 \uc8fc\ub85c \ub450 \ub2e8\uacc4\ub85c \ub098\ub25c\ub2e4 : \uccab \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ud658\uc6d0\uc81c\ub85c Mg \ubc0f Zn\uacfc \uac19\uc740 \ud65c\uc131 \uae08\uc18d\uc744 \uc0ac\uc6a9\ud558\uace0 \ud0c4\ud654 \uc81c\ub85c \uce74\ubcf8 \ube14\ub799 \ubc0f \uc77c\ubd80 \ud0c4\uc18c \ud568\uc720 \uc720\uae30\ubb3c\uc744 WO 3\uc640 \ud568\uaed8 \ubcfc \ubc00 \ud0f1\ud06c\uc5d0 \ucca8\uac00\ud558\ub294 \uac83\uc774\ub2e4. \ubcfc \ubc00\ub9c1 \uacf5\uc815\uc740 \ub9ce\uc740 \uc591\uc758 \uc5d0\ub108\uc9c0\ub97c \uc0dd\uc131\ud558\uae30 \ub54c\ubb38\uc5d0, WO3\ub294 \uba3c\uc800 \ud65c\uc131 \uae08\uc18d\uacfc \ubc18\uc751\ud558\uc5ec W\ub97c \ud615\uc131 \ud55c \ub2e4\uc74c C\ub294 W\uc640 \ubc18\uc751\ud558\uc5ec \ub098\ub178 WC\ub97c \uc0dd\uc131\ud55c\ub2e4. \ub450 \ubc88\uc9f8 \ub2e8\uacc4\ub294 \ubcfc \ubc00\ub9c1\uc774 \uc644\ub8cc\ub41c \ud6c4 \uc5bb\uc740 \ubd84\ub9d0\uc744 HCl\uacfc \uac19\uc740 \uc0b0\uc131 \uc6a9\uc561\uc5d0 \ub123\uc5b4 \uae08\uc18d \uc0b0\ud654\ubb3c\uc744 \uc81c\uac70\ud558\uc5ec \uc21c\uc218\ud55c \ub098\ub178 WC \ubd84\ub9d0\uc744 \uc5bb\ub294 \uac83\uc785\ub2c8\ub2e4. HO-SEINPUR A \uc678. WO3, Zn \ubc0f C\ub97c \ubcfc \ubc00 \ud0f1\ud06c\uc5d0 \ub123\uace0, \ubcfc \ubc00\ub9c1 \ud6c4 36 \uc2dc\uac04 \ub3d9\uc548, \uc0dd\uc131 \ub41c \ubd84\ub9d0\uc744 \ud76c\uc11d \ub41c \uc5fc\uc0b0\uc5d0 2 \uc2dc\uac04 \ub3d9\uc548 \uce68\uc9c0\uc2dc\ucf1c \uc57d 20 nm\uc758 WC \ubd84\ub9d0\uc744 \uc218\ub4dd \ud558\uc600\ub2e4. \ubcfc \ubc00\ub9c1 \uacf5\uc815\uacfc \ud658\uc6d0 \ud0c4\ud654 \uacf5\uc815\uc744 \uacb0\ud569\ud55c \uc0c8\ub85c\uc6b4 \ubc29\ubc95. \uc8fc\uc694 \ud2b9\uc9d5\uc740 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc73c\ub85c \uc0dd\uc131 \ub41c \uace0 \ud65c\uc131 \ud45c\uba74\uc744 \ucd5c\ub300\ud55c \ud65c\uc6a9\ud558\uc5ec \ud658\uc6d0 \ud0c4\ud654 \uc628\ub3c4\ub97c \ub0ae\ucd94\uace0 \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc900\ube44\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. 1 : 2.4 : 0\uc73c\ub85c SHAWLL \ub4f1. 7 (\ubab0\ube44) \uc0b0\ud654 \ud145\uc2a4\ud150, \ud751\uc5f0 \ubc0f 20\u03bcm\uc758 \uc0b0\ud654 \ucf54\ubc1c\ud2b8\ub97c 6 \uc2dc\uac04 \ub3d9\uc548 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc744 \uc704\ud574 \ubcfc \ubc00\uc5d0 \ub123\uc740 \ud6c4, \uc5bb\uc5b4\uc9c4 \ubd84\ub9d0\uc744 \uc544\ub974\uace4 \uac00\uc2a4 \ud558\uc5d0\uc11c 1,000 \u2103\uc5d0\uc11c \ud658\uc6d0-\ud0c4\ud654 \ubc18\uc751\uc2dc\ucf30\ub2e4. \uacb0\uc815\uc744 \uc5bb\uae30\uc704\ud55c \ubcf4\ud638. \uc785\uc790 \ud06c\uae30\uac00 80 \ub0b4\uc9c0 200 nm \uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0. Song Xiaoyan\uc758 \ud300\uc740 \uc804\ud1b5\uc801\uc778 \uae30\uacc4\uc801 \uc5f4 \ud65c\uc131\ud654 \ud569\uc131 \ubc29\ubc95\uc744 \uc7ac\ubc1c \uba85\ud558\uace0 \ubcfc \ubc00\ub9c1\uc73c\ub85c \uc5bb\uc740 \ubcf5\ud569 \uc0b0\ud654\ubb3c\uc744 \uc9c4\uacf5\ub85c\uc5d0 \uc9c1\uc811 \ub123\uc5b4 \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \ud604\uc7a5 \ud658\uc6d0-\ud0c4\ud654 \ud569\uc131\uc744 \uc218\ud589\ud569\ub2c8\ub2e4. \uc81c\uc870 \ub41c \ubd84\ub9d0\uc758 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec \ubc0f \uc870\uc131\uc740 \uade0\uc77c\ud558\uc600\uace0, \uc785\uc790 \ud06c\uae30\ub294 70 \ub0b4\uc9c0 500 nm \ubc94\uc704\uc600\ub2e4. 2 \ucd08\uacbd\ud569\uae08 \ubc0f \uc77c\ubc18 \ucd08\uacbd\ud569\uae08\uc758 \ud45c\uba74 \ub9c8\ubaa8 SEM \uc0ac\uc9c4 1. 2 \uc6a9\uc561 \ubc95 \uc6a9\uc561 \ubc95\uc5d0\uc11c, \uc6a9\ud574\uc131 \ud145\uc2a4\ud150 \uc5fc, \ucf54\ubc1c\ud2b8 \uc5fc \ubc0f \uae30\ud0c0 \uc6d0\ub8cc\ub97c \uc6a9\uc561\uc5d0 \ucca8\uac00\ud558\uc5ec \uc6d0\uc790 \ub610\ub294 \ubd84\uc790 \uc218\uc900\uc73c\ub85c \ubd84\uc0b0\uc2dc\ud0a4\uace0, \uc804\uad6c\uccb4 \ubd84\ub9d0\uc740 \ud2b9\uc815 \ubc29\ubc95\uc73c\ub85c \uc81c\uc870\ub41c\ub2e4; \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 \uac74\uc870, \ud658\uc6d0, \ud0c4\ud654 \ub4f1\ud558\uc5ec \ub098\ub178 \ubbf8\ud130\ub97c \uc81c\uc870\ud55c\ub2e4. \/ \ucd08\ubbf8\ub9bd\uc790 WC-Co \ubcf5\ud569 \ubd84\ub9d0. \uc6a9\uc561 \ubc95\uc5d0 \uc758\ud574 \uc218\ub4dd \ub41c \uc804\uad6c\uccb4 \ubd84\ub9d0\uc5d0\uc11c, \uac01\uc0c1\uc740 \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub418\uace0 \ubd84\uc790 \ubc0f \uc6d0\uc790 \uc218\uc900\uc73c\ub85c \uc874\uc7ac\ud558\uba70, \ud654\ud559\uc801 \ud65c\uc131\uc774 \ub192\uc73c\uba70, \uc774\ub294 \ud658\uc6d0 \ubc0f \ud0c4\ud654 \uc628\ub3c4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uac10\uc18c\uc2dc\ud0a4\uace0, \uc81c\uc870 \uc2dc\uac04\uc744 \ub2e8\ucd95\uc2dc\ud0a4\uace0, \ub098\ub178\ub97c \uc120\ud638\ud55c\ub2e4 \ucd08\uadf9\uc138 \uacb0\uc815. WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc81c\uc870 : \uc6a9\uc561 \ubc95\uc740 \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 \uc5bb\uae30\uc704\ud55c \ub2e4\ub978 \ubc29\ubc95\uc5d0 \ub530\ub77c \uc878-\uac94\ubc95, \uacf5 \uce68\ubc95 \ubc0f \ubd84\ubb34-\uac74\uc870 \ubcc0\ud658\ubc95\uc73c\ub85c \ub098\ub20c \uc218\uc788\ub2e4. \uc878-\uac94\ubc95\uc740 \uac00\uc6a9\uc131 \uc5fc\uc758 \uac00\uc218 \ubd84\ud574 \ubc0f \uc911\ucd95 \ud569 \uacf5\uc815\uc5d0 \uc758\ud574 \uc810\uc131 \ucf5c\ub85c\uc774\ub4dc \uc804\uad6c\uccb4\ub97c \uc810\uc9c4\uc801\uc73c\ub85c \ud615\uc131 \ud55c \ud6c4 \uac74\uc870 \ubc0f \uc18c\uacb0\ud558\uc5ec \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \uacb0\uc815 \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\ub294 \ubc29\ubc95\uc774\ub2e4. HOLGATE MWR\uc740 \ud145\uc2a4\ud150 \uc5fc, \ucf54\ubc1c\ud2b8 \uc5fc \ubc0f \uac00\uc6a9\uc131 \uc720\uae30 \ud0c4\uc18c\ub97c \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc6a9\uc561\uc758 pH \uac12\uacfc \uac19\uc740 \ud569\uc131 \uc870\uac74\uc744 \uc81c\uc5b4\ud558\uc5ec \uc824 \uac19\uc740 \uc804\uad6c\uccb4\ub97c \uc5bb\uc740 \ub2e4\uc74c \uac74\uc870\ub97c \ud1b5\ud574 \ub098\ub178 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\uc2b5\ub2c8\ub2e4. \uacf5 \uce68\ubc95\uc740 \uc561\uc0c1\uc5d0\uc11c \ud145\uc2a4\ud150 \uc5fc\uacfc \ucf54\ubc1c\ud2b8 \uc5fc\uc758 \uacf5\uce68\uc5d0 \uc758\ud574 \ud145\uc2a4\ud150 \ucf54\ubc1c\ud2b8 \ubcf5\ud569 \uc804\uad6c\uccb4\uc758 \uc591\ud638\ud55c \ubd84\uc0b0\uc744 \uc81c\uc870 \ud55c \ub2e4\uc74c, \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569\uc7ac\ub97c \uc81c\uc870\ud558\ub294 \uac83\uc774\ub2e4. \ud658\uc6d0-\ud0c4\ud654\uc5d0 \uc758\ud55c \ubd84\ub9d0. MAJH \ub4f1\uc740 66%W (\uc9c8\ub7c9 \ubd84\uc728, \uc774\ud558 \ub3d9\uc77c) \ud145\uc2a4\ud150 \uc5fc\uc744 \ud568\uc720\ud558\uace0 14\ub97c \ud568\uc720\ud55c\ub2e4. 42% Co\uc758 \ucf54\ubc1c\ud2b8 \uc5fc\uc744 \uc6d0\ub8cc\ub85c\ud558\uc5ec, \ud145\uc2a4\ud150 \/ \ucf54\ubc1c\ud2b8 \ubcf5\ud569 \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 \ud654\ud559 \uacf5 \uce68\ubc95\uc5d0 \uc758\ud574 \uc870\uc81c\ud588\ub2e4. \uc774\uc5b4\uc11c, H2\ub97c \uac10\uc18c\uc2dc\ud0a4\uace0 CO \/ CO2 \ubd84\uc704\uae30\uc5d0\uc11c \ud0c4\ud654\uc2dc\ucf1c \uc785\uc790 \ud06c\uae30\uac00 \uc57d 50 nm \/ Ultrafine WC-Co \ubcf5\ud569 \ubd84\ub9d0 \uc778 \ub098\ub178 \uc785\uc790\ub97c \uc218\ub4dd\ud55c\ub2e4. \ubd84\ubb34 \uac74\uc870 \uc804\ud658 \ubc95\uc5d0\uc11c, \uac00\uc6a9\uc131 \ud145\uc2a4\ud150 \uc5fc, \ucf54\ubc1c\ud2b8 \uc5fc, \ub4f1\uc744 \ubd84\ubb34 \uac74\uc870\ud558\ub294 \uc6a9\uc561\uc5d0 \uc6a9\ud574\uc2dc\ucf1c \ud145\uc2a4\ud150 \ucf54\ubc1c\ud2b8 \ubcf5\ud569 \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 \uc5bb\uc740 \ud6c4, \ud658\uc6d0 \ubc0f \ud0c4\ud654 \ub2e8\uacc4\ub97c \ud1b5\ud574 \ub098\ub178 \uaddc\ubaa8\uc758 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\ub294\ub2e4. \ubd84\ubb34 \uc804\ud658 \ubc29\ubc95\uc740 Rutgers University\uc5d0 \uc758\ud574 \ucc98\uc74c \uc81c\uc548\ub418\uc5c8\uc73c\uba70, \uad6c\uccb4\uc801\uc778 \uacf5\uc815\uc740 3 \ub2e8\uacc4\ub85c \uad6c\uc131\ub429\ub2c8\ub2e4. 1) \uace0\uc21c\ub3c4 \ubb3c\uc5d0 \uac00\uc6a9\uc131 \ud145\uc2a4\ud150 \uc5fc\uacfc \ucf54\ubc1c\ud2b8 \uc5fc\uc744 \uc6a9\ud574\uc2dc\ucf1c \uade0\uc77c \ud55c \uc218\uc6a9\uc561\uc744 \uc5bb\ub294 \ub2e8\uacc4; 2) \uc218\uc6a9\uc561\uc744 \ubd84\ubb34 \uac74\uc870\uc2dc\ud0a8\ub2e4. \uc6a9\ub9e4 \uc911\uc758 \uc6a9\uc9c8\uc740 \uc2e0\uc18d\ud558\uac8c \uacb0\uc815\ud654\ub418\uc5b4 \ubd84\uc790 \uc218\uc900\uc73c\ub85c \uade0\uc77c\ud558\uac8c \ubd84\ud3ec \ub41c \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 \ud615\uc131\ud558\uace0; 3) \uc804\uad6c\uccb4 \ubd84\ub9d0\uc744 H 2 \ubd84\uc704\uae30 \ud558\uc5d0\uc11c \ud658\uc6d0\uc2dc\ud0a8 \ud6c4, CO \/ CO 2 \ubd84\uc704\uae30 \ud558\uc758 \uc720\ub3d9\uce35\uc5d0\uc11c \ud0c4\ud654 \ubc18\uc751\uc744 \uc218\ud589\ud55c\ub2e4. \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\uc5c8\ub2e4. \ubd84\ubb34 \uac74\uc870 \uae30\uc220 \ubc0f \uc720\ub3d9\uce35 \uc5f4\ucc98\ub9ac \uae30\uc220\uc740 \uc0b0\uc5c5 \uc0dd\uc0b0 \uae30\uc220\uc774\ubbc0\ub85c \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\uc758 \uc804\ub9dd\uc744 \uac16\ucd98 \uae30\uc220\uc785\ub2c8\ub2e4. Yang Jiangao \ud300\uc740 \uc804\ud1b5\uc801\uc778 \ubd84\ubb34 \uac74\uc870 \ubcc0\ud658 \ubc29\ubc95\uc744 \ud1b5\ud569\ud558\uace0 \uc7ac\ucc3d\uc870\ud558\uace0, \ubcf5\uc7a1\ud55c \uc720\ub3d9\uce35 \uc7a5\ube44\ub97c \ubc84\ub9ac\uace0 \uace0\uc815\uce35\uc73c\ub85c \uc804\ud658\ud558\uace0,\u201c\uc774\uc628\uce35 \ud63c\ud569, \ube60\ub978 \uce68\uc804 \ubc0f \uc800\uc628 \ud569\uc131\uc744 \ud1b5\ud574 \ubcf5\ud569 \ubd84\ub9d0\uc744\uc704\ud55c \uc0c8\ub85c\uc6b4 \uc900\ube44 \uae30\uc220\uc744 \uac1c\ubc1c\ud588\uc2b5\ub2c8\ub2e4. \u201d. \ub610\ud55c, \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc81c\uc870 \uacf5\uc815\uc5d0 \uace0 \ud65c\uc131 \ud604\uc7a5 \ud0c4\uc18c \ubc0f \ud0c4\uc18c \uc5f4 \ubc18\uc751\uc758 1 \ub2e8\uacc4 \ubc29\ubc95\uc774 \ub3c4\uc785\ub418\uc5c8\uc73c\uba70, \uade0\uc77c\ud558\uac8c \ubd84\uc0b0 \ub41c \uace0 \ud604\uc7a5 \ud0c4\uc18c\ub294 \ubc18\uc751 \uc628\ub3c4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \ub0ae\ucd94\uace0 \ub2e8\ucd95\uc2dc\ucf30\ub2e4. \uacb0\uc815\ub9bd\uc744 \uc5b5\uc81c\ud558\ub294 \ubc18\uc751 \uc2dc\uac04. \uc131\uc7a5 \ub41c \uad6c\uc870, \uc131\ub2a5 \ubc0f 100 nm \ubbf8\ub9cc\uc758 WC \uacb0\uc815 \uc785\uc790 \ud06c\uae30\ub97c \uac16\ub294 \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc81c\uc870\ud558\uae30 \uc704\ud574 \uac04\ub2e8\ud558\uace0, \ube60\ub974\uace0, \uc800\ube44\uc6a9\uc774\uba70, \uc0b0\uc5c5\uc801\uc73c\ub85c \uc0dd\uc0b0 \uac00\ub2a5\ud55c \ubd84\ub9d0 \uc81c\uc870 \ubc29\ubc95\uc774 \uc81c\uc548\ub418\uc5c8\ub2e4. \uc804\ud1b5\uc801\uc778 8 \ub2e8\uacc4\uc5d0\uc11c 3 \ub2e8\uacc4\ub85c, \ud0c4\ud654 \uc628\ub3c4\ub294 \uae30\uc874 1300 \u00b0 C\uc5d0\uc11c 1000 \u00b0 C\ub85c \uac10\uc18c\ud569\ub2c8\ub2e4. 3 \uae30\uc0c1 \ubc18\uc751 \ud569\uc131 \uae30\uc0c1 \ubc18\uc751 \ud569\uc131 \ubc29\ubc95\uc740 \uc5f4\uc5ed\ud559\uc801\uc73c\ub85c \ubd88\uc548\uc815\ud55c \uacfc\ud3ec\ud654 \uc804\uad6c\uccb4 \uac00\uc2a4\uac00 \uae30\uccb4 \uc0c1\ud0dc\uc5d0\uc11c \ubb3c\ub9ac\uc801 \ubc18\uc751 \ub610\ub294 \ud654\ud559 \ubc18\uc751\uc744 \uacaa\uace0 \ub0c9\uac01 \uacfc\uc815\uc5d0\uc11c \uc751\uc9d1 \ubc0f \uc131\uc7a5\ud558\uc5ec \ubbf8\ub9bd\uc790\ub97c \ud615\uc131\ud558\ub294 \ucd08 \ubbf8\ub9bd \ubd84\ub9d0\uc744 \uc81c\uc870\ud558\ub294 \ubc29\ubc95\uc774\ub2e4 . \uc5f4\uc5ed\ud559\uc801\uc73c\ub85c \ubd88\uc548\uc815\ud55c \ud3ec\ud654 \uc804\uad6c\uccb4 \ubc29\ubc95\uc5d0 \ub530\ub974\uba74, \ud654\ud559 \uc99d\uae30 \ud569\uc131\ubc95\uc740 \ub808\uc774\uc800 \uc5b4\ube14 \ub808\uc774\uc158 \ubc95, \uc2a4\ud30c\ud06c \ubc29\uc804 \ubcc0\ud658\ubc95, \uc774\uc628 \uc2a4\ud37c\ud130\ub9c1 \ubc95, \ud654\uc5fc \ud569\uc131\ubc95, \ud654\ud559 \uc99d\uae30 \ubc95 \ubc0f \uc5f4 \ud50c\ub77c\uc988\ub9c8 \ubcc0\ud658\ubc95\uc73c\ub85c \ub098\ub20c \uc218\uc788\ub2e4 . \ud604\uc7ac \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ub098\ub178 -WC-Co \ubcf5\ud569 \ubd84\ub9d0 \uc81c\uc870 \ubc29\ubc95\uc5d0\ub294 \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29 \ubc0f \uc5f4 \ud50c\ub77c\uc988\ub9c8 \ubcc0\ud658\uc774 \uc788\uc73c\uba70, \ud654\ud559 \uae30\uc0c1 \uc99d\ucc29 \ubc29\ubc95\uc5d0\uc11c\ub294 \uac00\uc2a4\ud654 \ub41c \uc804\uad6c\uccb4\uc640 \ud658\uc6d0 \ub41c \ud0c4\uc18c \ud654 \ubb3c\uc9c8\uc744 \ud1b5\uacfc\uc2dc\ucf1c \ub098\ub178 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc81c\uc870\ud569\ub2c8\ub2e4. \ub728\uac70\uc6b4 \ubcbd \ubc18\uc751\uae30\ub85c \uac00\uc2a4. \uae08\uc18d \uc5fc\ud654\ubb3c\uc740 \ud718\ubc1c \uc628\ub3c4\uac00 \ub0ae\uc544 \uc774\uc0c1\uc801\uc778 \uc804\uad6c\uccb4 \ubb3c\uc9c8\uc785\ub2c8\ub2e4. RYUT \ub4f1 \uc804\uad6c\uccb4\ub85c\uc11c WCl 6 \ubc0f CoCl 2, \ud658\uc6d0 \ubc0f \ud0c4\ud654 \uac00\uc2a4\ub85c\uc11c H 2 \ubc0f CH 4, \ubc0f \uce90\ub9ac\uc5b4 \uac00\uc2a4\ub85c\uc11c Ar \uac00\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec (24 \u00b1 1) nm\uc758 \uc785\uc790 \ud06c\uae30\ub97c \uac16\ub294 \ub098\ub178 -WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uc218\ub4dd \ud558\uc600\ub2e4. \uc81c\uc870 \uacf5\uc815\uc5d0\uc11c, Co3W3C, WCl6 \ubc0f CoCl2\uc640 \uac19\uc740 \ud0c4\uc18c \uacb0\ud54d \ub2e8\uacc4\uc758 \ud615\uc131\uc744 \ud53c\ud558\uae30 \uc704\ud574 \ubc18\uc751\uae30 \uc628\ub3c4 440 \ubc0f 1400 \u00b0 C\uc5d0\uc11c \uac01\uac01 \uacf5\uae09\ub418\uc5c8\uace0, \uc0dd\uc131 \ub41c \ubcf5\ud569\uc7ac\uc5d0\ub294 \ud0c4\uc18c \ubd80\uc871 \ub2e8\uacc4\uac00 \uac70\uc758 \uc5c6\uc5c8\ub2e4 \ud56b \ud50c\ub77c\uc988\ub9c8 \ubcc0\ud658 \ubc29\ubc95\uc740 \ud50c\ub77c\uc988\ub9c8\ub97c \uc5f4\uc6d0\uc73c\ub85c \uc0ac\uc6a9\ud558\ub294 \ubc29\ubc95\uc774\uba70, \uac00\uc2a4\ud654 \ub41c \uc804\uad6c\uccb4 \ubc0f \ud658\uc6d0 \ub41c \ud0c4\ud654 \uac00\uc2a4\ub97c \uc6d0\uc790 \uc218\uc900\uc73c\ub85c \ubcc0\ud658\ud558\uc5ec \uc0c1\ud638 \ud658\uc6d0 \ubc0f \ud0c4\ud654\ub97c \ucd09\uc9c4\uc2dc\ucf1c \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5bb\ub294 \ubc29\ubc95\uc774\ub2e4. \uc190 HY \ub4f1 WCl 6, AMT \ubc0f C 2 H 4\ub97c \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc720\ub3c4 \ud50c\ub77c\uc988\ub9c8 \uc7a5\uce58\uc5d0\uc11c \uc5f4 \ud50c\ub77c\uc988\ub9c8 \ubcc0\ud658\uc744 \uc218\ud589\ud558\uc5ec 30-nm WC1-x \ubd84\ub9d0\uc744 \uc81c\uc870 \ud55c \ub2e4\uc74c H2 \/ CH 4 \ub300\uae30 \uc628\ub3c4 900 \u00b0 C. \uc5f4\ucc98\ub9ac\ub294 100 nm \uc21c\uc218\ud55c WC \ubd84\ub9d0\uc744 \uc5bb\uae30 \uc704\ud574 \uc218\ud589\ub418\uc5c8\ub2e4. 2 Nano \/ Ultrafine WC-Co \ucd08\uacbd\ud569\uae08 \uc18c\uacb0 \uae30\uc220 \uc18c\uacb0\uc740 \ucd08\uacbd\ud569\uae08\uc758 \uc81c\uc870\uc5d0\uc11c \ub9c8\uc9c0\ub9c9 \ub2e8\uacc4\uc774\ub2e4. \uc18c\uacb0\uc740 \uc81c\ud488 \uc131\ub2a5\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\ubbc0\ub85c \uc774\ub7ec\ud55c \ubcc0\ud654\ub294 \ub418\ub3cc\ub9b4 \uc218 \uc5c6\uc73c\ubbc0\ub85c \ucd08\uacbd\ud569\uae08 \uc0dd\uc0b0 \uacf5\uc815\uc5d0\uc11c \uacb0\uc815\uc801\uc778 \uc5ed\ud560\uc744\ud569\ub2c8\ub2e4. \ub098\ub178 \/ \ucd08 \ubbf8\uc138 WC-Co \ucd08\uacbd\ud569\uae08\uc758 \uacbd\uc6b0 \uc18c\uacb0 \uacf5\uc815\uc740 \ucd08\uacbd\ud569\uae08\uc758 \uce58\ubc00\ud654\ub97c \ubcf4\uc7a5 \ud560\ubfd0\ub9cc \uc544\ub2c8\ub77c \ucd08\uacbd\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc18c\uacb0 \uacf5\uc815 \ub3d9\uc548 \uc785\uc790\uc758 \uc131\uc7a5 \uac70\ub3d9\uc744 \uc81c\uc5b4\ud569\ub2c8\ub2e4. \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc740 \uae30\uc874\uc758 \ud06c\uae30 \ubd84\ub9d0\uacfc \ube44\uad50\ud558\uc5ec \uc791\uc740 \ud06c\uae30 \ud6a8\uacfc, \ud45c\uba74 \ubc0f \uacc4\uba74 \ud6a8\uacfc \ubc0f \uae30\ud0c0 \uc694\uc778\uc73c\ub85c \uc778\ud574 \ud2b9\ubcc4\ud55c \uc18c\uacb0 \uac70\ub3d9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc18c\uacb0 \uacf5\uc815\uc758 \uc5f4\uc5ed\ud559\uc801 \uad6c\ub3d9\ub825\uc740 \uc8fc\ub85c \ud45c\uba74 \uc5d0\ub108\uc9c0\uc758 \uac10\uc18c\uc774\uc9c0\ub9cc, \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc740 \ud45c\uba74 \uc5d0\ub108\uc9c0\uac00 \ud06c\uace0 \uc18c\uacb0\uc744\uc704\ud55c \ud070 \uad6c\ub3d9\ub825\uc744 \uac00\uc9c0\uba70, \uce58\ubc00\ud654 \uacf5\uc815\uc740 \ub354 \ub0ae\uc740 \uc218\uc900\uc5d0\uc11c \uc218\ud589 \ub420 \uc218\uc788\ub2e4. \uc628\ub3c4. \ub3d9\uc2dc\uc5d0, \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc740 \ub192\uc740 \ud65c\uc131\uc744 \uac00\uc9c0\uba70, \uc18c\uacb0 \uacf5\uc815 \ubc0f \uc6a9\ud574-\uc6a9\ud574 \uacf5\uc815 \ub3d9\uc548 \uacb0\uc815 \uc785\uc790\uc758 \uc751\uc9d1\uc774 \uc77c\uc5b4\ub098\uae30 \ub54c\ubb38\uc5d0 \uc785\uc790\ub97c \ub9e4\uc6b0 \uc27d\uac8c \uc131\uc7a5\uc2dc\ud0ac \uc218\uc788\ub2e4. MA-HESHWARIP et al. \uc18c\uacb0 \uacfc\uc815\uc5d0\uc11c \uc785\uc790 \ud06c\uae30\uac00 \ub2e4\ub978 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uce58\ubc00\ud654 \uac70\ub3d9\uc744 \uc5f0\uad6c\ud588\uc2b5\ub2c8\ub2e4. WANG X et al. \uc785\uc790 \ud06c\uae30\uac00 10 nm \uc778 WC-10Co (\uc9c8\ub7c9 \ubd84\uc728)\ub97c \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uace0\uc774\ub97c \uc9c4\uacf5\ub85c\uc5d0\uc11c \uc18c\uacb0\uc2dc\ucf1c \uc785\uc790 \uc131\uc7a5\uc5d0 \ub300\ud55c \uc628\ub3c4\uc758 \uc601\ud5a5\uc744 \uc5f0\uad6c \ud558\uc600\ub2e4. \uacb0\uacfc\ub294 \uc628\ub3c4\uc758 \uc99d\uac00\uac00 \uacb0\uc815\ub9bd \uae38\uc774\uc758 \ud604\uc800\ud55c \uc99d\uac00\ub97c \uc57c\uae30 \ud568\uc744 \ubcf4\uc5ec \uc8fc\uc5c8\ub2e4. \uc628\ub3c4\uac00 \ub192\uc744\uc218\ub85d \uc99d\uac00\ud569\ub2c8\ub2e4. \uc18c\uacb0 \uc628\ub3c4\uac00 1300 \u2103 \uc77c \ub54c, \uc785\uc790 \ud06c\uae30\ub294 10 nm\uc5d0\uc11c \uc57d 380 nm\ub85c \uc131\uc7a5\ud558\ub294\ub370, \uc774\ub294 38 \ubc30 \uc99d\uac00\ud55c \uac83\uc774\ub2e4. FANGZG \ub4f1 \uc18c\uacb0 \ucd08\uae30 5 \ubd84 \ub3d9\uc548, \ub098\ub178 \ubd84\ub9d0\uc774 \ube60\ub974\uac8c \ubc1c\ub2ec\ud55c\ub2e4\ub294 \uac83\uc744 \ubc1c\uacac\ud588\ub2e4. \ucd5c\uadfc, \uc18c\uacb0 \uacf5\uc815\uc5d0\uc11c \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc131\uc7a5 \uac70\ub3d9\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uc81c\uc5b4\ud558\uae30 \uc704\ud574 \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0, \ud56b \ud504\ub808\uc2a4 \uc18c\uacb0, \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0 \ubc0f \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uacfc \uac19\uc740 \uc0c8\ub85c\uc6b4 \uc18c\uacb0 \uacf5\uc815\uc774 \uac1c\ubc1c\ub418\uc5c8\ub2e4. \ub4f1 2. 1 \uac00\uc2a4\uc555 \uc18c\uacb0 \ud0c8\uae30 \uacf5\uc815 \uc885\ub8cc\uc2dc, \uac00\uc2a4\uc555 \uc18c\uacb0\uc740 \ucf64\ud329\ud2b8 \ud45c\uba74\uc0c1\uc758 \uae30\uacf5\uc774 \ud3d0\uc1c4\ub418\uace0 \ucf54\ubc1c\ud2b8 \uc0c1\uc774 \uc561\uc0c1\uc5d0 \uc874\uc7ac\ud558\ub294 \uc870\uac74 \ud558\uc5d0\uc11c \uc218\ud589\ub41c\ub2e4. \ubd88\ud65c\uc131 \uac00\uc2a4\ub97c \uc555\ub825 \ub9e4\uc9c8\ub85c \uc0ac\uc6a9\ud558\uc5ec, \ud569\uae08\uc758 \uce58\ubc00\ud654\ub97c \ucd09\uc9c4\ud558\uae30 \uc704\ud574 \uc5f4\uac04 \ub4f1\uc555 \uc555\ucd95\uc774 \ud569\uae08\uc5d0 \uc801\uc6a9\ub41c\ub2e4. \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc740 \uc9c4\uacf5 \uc18c\uacb0\uacfc \uc5f4\uac04 \ub4f1\uc555 \ud504\ub808\uc2a4\ub97c \ud6a8\uacfc\uc801\uc73c\ub85c \uacb0\ud569\ud558\uc5ec \ucf54\ubc1c\ud2b8 \uc0c1 \ud750\ub984\uc744 \ucd09\uc9c4\ud558\uace0 Co\uc758 \uace0\uc628 \ud718\ubc1c\uc131\uc744 \uc5b5\uc81c\ud558\uc5ec \uc81c\ud488\uc758 \uacf5\uadf9\uacfc \ucf54\ubc1c\ud2b8 \ud480\uc744 \uc81c\uac70\ud558\uc5ec \ud569\uae08\uc774 \ubbf8\uc138\ud558\uace0 \uade0\uc77c \ud55c \uad6c\uc870\ub97c \uac16\ub3c4\ub85d\ud569\ub2c8\ub2e4. \uc131\ub2a5\uc774 \ud06c\uac8c \ud5a5\uc0c1\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uae30\uc874\uc758 \uc5f4\uac04 \ub4f1\ubc29 \uc555 \ud504\ub808\uc2a4\uc640 \ube44\uad50\ud558\uc5ec \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0 \uc555\ub825\uc740 \uc5f4\uac04 \ub4f1\ubc29 \uc555\ub825\uc758 1\/10 \uc774\ud558\uc5d0 \ubd88\uacfc\ud558\ubbc0\ub85c \uc7a5\ube44 \uc81c\uc870 \ube44\uc6a9\uacfc \uc720\uc9c0 \ubcf4\uc218 \ube44\uc6a9\uc774 \ud06c\uac8c \uc904\uc5b4 \ub4ed\ub2c8\ub2e4. Du Wei \ub4f1\uc740 WC-2.5% \ucd08\uacbd\ud569\uae08\uc758 \uc131\ub2a5\uc5d0 \ub300\ud55c \uc9c4\uacf5 \uc18c\uacb0 \ubc0f \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc758 \ud6a8\uacfc\ub97c \ube44\uad50\ud558\uae30 \uc704\ud574 \uc785\uc790 \ud06c\uae30\uac00 0.53 \u03bcm \uc778 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC \ubd84\ub9d0\uacfc \uad6c\ud615 Co \ubd84\ub9d0\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud588\ub2e4. \uc2e4\ud5d8 \uacb0\uacfc \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc740 \ud569\uae08\uc758 \ub2e4\uacf5\uc131\uc744 \uc904\uc774\uace0 \ube44\uc815\uc0c1\uc801\uc778 \uc785\uc790 \uc131\uc7a5\uc744 \uc5b5\uc81c \ud560 \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \ud569\uae08\uc758 \uad7d\ud798 \uac15\ub3c4\ub294 1800 MPa\uc5d0\uc11c 2250 MPa\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. Wei Chongbin \ub4f1\uc740 \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-10Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc778\uc2dc \ud29c (in-situ) \ud658\uc6d0 \/ \ud0c4\ud654 \ubc29\ubc95\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uc5ec \uc9c4\uacf5 \uc18c\uacb0 \ubc0f \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc774 1420 \u00b0 C\uc5d0\uc11c \ud569\uae08\uc758 \ubbf8\uc138 \uad6c\uc870 \ubc0f \ud2b9\uc131\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 1\ub85c \ube44\uad50\ud588\uc2b5\ub2c8\ub2e4. h. \uc18c\uacb0 \uc555\ub825\uc740 2 MPa\uc785\ub2c8\ub2e4. \uacb0\uacfc\ub294 \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc774 \ud569\uae08\uc758 \uc131\ub2a5\uc744 \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0a4\uace0 10.2MPa \u2022 m1 \/ 2\uc5d0\uc11c 13\uc73c\ub85c \ud30c\uad34 \uc778\uc131\uc744 \uc99d\uac00\uc2dc\ud0ac \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. 6MPa \u2022 m1 \/ 2 Shi Xiaoliang \ub4f1\uc740 \uc2a4\ud504\ub808\uc774 \uc804\ud658 \ubc95\uc73c\ub85c \uc81c\uc870 \ub41c WC-10Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4 \uc6d0\ub8cc\ub85c, 48 \uc2dc\uac04 \ub3d9\uc548 \ubcfc \ubc00\ub9c1 \ud6c4 WC-10Co-0.4VC-0\uc744 \uc0dd\uc0b0 \ud558\uc600\ub2e4. 4Cr 3 C 2 \ubcf5\ud569 \ubd84\ub9d0; \uc774\uc5b4\uc11c, \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0, 320 \u2103\uc5d0\uc11c 1 \uc2dc\uac04 \ub3d9\uc548 \uc18c\uacb0 \uacf5\uc815, \uc555\ub825\uc740 5\uc774\ub2e4. 5 MPa\uc5d0\uc11c, \uc218\ub4dd \ub41c \ud569\uae08\uc740 \ub192\uc740 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uac00\uc9c0\uba70, HRA \uacbd\ub3c4\ub294 92\uc774\ub2e4. 8, \uac15\ub3c4\ub294 3780 MPa\uc774\ub2e4. \uc774\uc804\uc758 \uc5f0\uad6c \uacb0\uacfc\ub85c\ubd80\ud130, \uac00\uc2a4 \uc555\ub825 \uc18c\uacb0\uc5d0 \uc758\ud574 \uc5bb\uc5b4\uc9c4 \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \uacbd\uc9c8 \ud569\uae08\uc758 \uc785\uc790 \ud06c\uae30\uac00 \uc791\uace0, \uad6c\uc870\uac00 \uade0\uc77c\ud558\uba70, \uc778\uc131\uc774 \ub9e4\uc6b0 \uc6b0\uc218\ud568\uc744 \uc54c \uc218\uc788\ub2e4. \ud604\uc7ac, \uadf8\uac83\uc740 \uc0b0\uc5c5\uc801\uc73c\ub85c \uc81c\uc870 \ub41c \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ubbf8\uc138 \uacb0\uc815\uc9c8 \uacbd\uc9c8 \ud569\uae08\uc774\ub418\uc5c8\ub2e4. \uc8fc\uc694 \uc18c\uacb0 \ubc29\ubc95 \uc911 \ud558\ub098 2. 2 \ud56b \ud504\ub808\uc2a4 \uc18c\uacb0 \ud56b \ud504\ub808\uc2a4 \uc18c\uacb0\uc740 \uac00\uc555 \ubc0f \uc18c\uacb0 \uacf5\uc815\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uacb0\ud569\ud558\uace0 \uc555\ub825\uacfc \uc628\ub3c4\uc758 \uacb0\ud569 \uc791\uc6a9 \ud558\uc5d0\uc11c \ud569\uae08\uc744 \uc2e0\uc18d\ud558\uac8c \uce58\ubc00\ud654\ud558\ub294 \ubc29\ubc95\uc785\ub2c8\ub2e4. \uc804\ud1b5\uc801\uc778 \ud504\ub808\uc2a4 \ubc0f \uc18c\uacb0 \uacf5\uc815\uacfc \ube44\uad50\ud558\uc5ec, \ud56b \ud504\ub808\uc2a4 \uc18c\uacb0\uc740 \uc131\ud615 \uc81c\ub97c \ucca8\uac00 \ud560 \ud544\uc694\uc131\uc744 \uc81c\uac70\ud558\uace0 \ubd88\uc21c\ubb3c\uc758 \ub3c4\uc785\uc744 \uac10\uc18c\uc2dc\ud0ac \uc218\uc788\ub2e4; \ubd84\ub9d0\uc758 \uac00\uc18c\uc131 \ubc0f \uc720\ub3d9\uc131\uc740 \uc5f4-\ud504\ub808\uc2f1 \uc870\uac74 \ud558\uc5d0\uc11c \ud06c\uac8c \uac1c\uc120\ub418\uace0, \ud569\uae08\uc758 \uce58\ubc00\ud654\uac00 \ucd09\uc9c4\ub418\uace0, \uc18c\uacb0 \uc628\ub3c4\ub294 \ube44\uad50\uc801 \uc800\uc628\uc5d0\uc11c \uac10\uc18c \ub420 \uc218\uc788\ub2e4. \uc9e7\uc740 \uc18c\uacb0 \uc2dc\uac04 \ub0b4\uc5d0 \uc644\uc804\ud788 \uc870\ubc00 \ud55c \ud569\uae08\uc774 \uc5bb\uc5b4\uc9c4\ub2e4. Li Zhixi et al. \ud589\uc131 \uace0 \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc744 \ud1b5\ud574 \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC \ubd84\ub9d0 (0.81 \u03bcm) \ubc0f Co \ubd84\ub9d0 (1.35 \u03bcm)\uc744 \uc6d0\ub8cc\ub85c, Cr 3 C 2 \ubc0f VC\ub97c \uace1\ubb3c \uc131\uc7a5 \uc5b5\uc81c\uc81c\ub85c \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. \uc81c\uc870 \ub41c \uc785\uc790 \ud06c\uae30\ub294 0 \ubbf8\ub9cc\uc774\ub2e4.\uc774\uc5b4\uc11c 3 \u03bcm WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc5f4\uac04 \ud504\ub808\uc2a4 \ubc0f \uc18c\uacb0\ud558\uc5ec \uc5f4\uac04 \ud504\ub808\uc2a4 \uc18c\uacb0\uc774 \uc0d8\ud50c \uc131\ub2a5\uc5d0 \ubbf8\uce58\ub294 \uc601\ud5a5\uc744 \uc5f0\uad6c \ud558\uc600\ub2e4. \uacb0\uacfc\ub294 \uade0\uc77c \ud55c \ubbf8\uc138 \uad6c\uc870\ub97c \uac16\ub294 WC-10Co \ucd08\uacbd\ud569\uae08 \ubc0f \ud3c9\uade0 \uc785\uc790 \ud06c\uae30 0.8 \u03bcm \ubbf8\ub9cc\uc774 1400 \u00b0 C, 2h \uc628\ub3c4 \ubc0f 30 MPa \uc555\ub825\uc5d0\uc11c \ud56b-\ud504\ub808\uc2a4 \uc18c\uacb0\uc5d0 \uc758\ud574 \uc5bb\uc5b4 \uc9d0\uc744 \ubcf4\uc5ec \uc8fc\uc5c8\ub2e4. \uc785\uc790 \ud06c\uae30\uac00 \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4. \uc5b5\uc81c\uc81c Cr 3 C 2 +0. 4VC \ubbf8\uc138 \uacbd\ub3c4 \uac12 56GPa. Zhu Qikou et al. \uace0\uc628\uc5d0\uc11c \uc6d0\uc7ac\ub8cc\ub85c \uc6d0\uc704\uce58\uc5d0\uc11c \ud658\uc6d0\uc2dc\ucf1c \uc81c\uc870 \ud55c \uc9c1\uacbd 300nm\uc758 WC-6Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc0ac\uc6a9\ud558\uace0, 1200 \u00b0 C\uc5d0\uc11c 20MPa\uc758 \uace0\uc628 \ud504\ub808\uc2a4 \uc18c\uacb0\uc744 \ud1b5\ud574 \uac00\uc628 \ud558\uc600\ub2e4. \ub098\ub178 \/ \uc6b8\ud2b8\ub77c \ud30c\uc778 WC-6Co \ucd08\uacbd\ud569\uae08\uc758 5h \uc81c\uc870. \uacb0\uacfc\ub294 \ud56b-\ud504\ub808\uc2a4 \uc18c\uacb0\uc774 \ud569\uae08 \uc138\uacf5\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \uac10\uc18c\uc2dc\ud0a4\uace0 \uc785\uc790 \uc131\uc7a5\uc744 \uc5b5\uc81c \ud560 \uc218 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \ud569\uae08\uc5d0\uc11c WC\uc758 \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\ub294 600nm\uc774\uba70 \ubd84\ud3ec\ub294 \uade0\uc77c\ud569\ub2c8\ub2e4. HRA \uacbd\ub3c4\ub294 93\uc774\uace0 \ud6a1 \ud30c\uad34 \uac15\ub3c4\ub294 1530 MPa\uc785\ub2c8\ub2e4. Liu Xuemei\uc640 \ub2e4\ub978 \uc0ac\ub78c\ub4e4\uc740 WO 3 \ubd84\ub9d0, Co 3 O 4 \ubd84\ub9d0 \ubc0f \uce74\ubcf8 \ube14\ub799 \ubd84\ub9d0\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud588\uc73c\uba70, \uba3c\uc800 \uc9c4\uacf5 \uc5f4\ucc98\ub9ac\ub85c\uc5d0\uc11c \uc804\ucc98\ub9ac \ud55c \ub2e4\uc74c 1,370 \u00b0 C\uc758 \uc628\ub3c4\uc5d0\uc11c 20 MPa\uc758 \uc555\ub825 \ud558\uc5d0\uc11c nanocomposite\uc744 \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. 1.5 \uc2dc\uac04 \ubbf8\uc138 \uc785\uc790 WC \u2013 Co \ud0c0\uc785 \ucd08\uacbd. \uacb0\uacfc\ub294 \uc900\ube44\ub41c \ucd08\uacbd\ud569\uae08\uc774 \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\uac00 0.813 \u03bcm, HRA \uacbd\ub3c4 \ubc0f \ud30c\uad34 \uc778\uc131\uc774 \uac01\uac01 92.5 \ubc0f 8.44 MPa \u2022 m1 \/ 2 \uc778 \uace0\ubc00\ub3c4 \ubc0f \uc21c\uc218\ud55c WC \ubc0f Co \uc0c1\uc744 \uac00\uc9d0\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc0c1\uae30 \uc5f0\uad6c \uacb0\uacfc\ub85c\ubd80\ud130, \ud56b-\ud504\ub808\uc2a4 \uc18c\uacb0 \ud6c4\uc758 \ud569\uae08\uc758 \uc778\uc131\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc5f4\uc555 \uc18c\uacb0 \uacf5\uc815 \ub3d9\uc548\uc5d0 \ub9cc \ucd95 \ubc29\ud5a5 \uc555\ub825\uc774 \uac00\ud574 \uc838\uc11c \ub2e4\uc591\ud55c \ubd80\ud488\uc758 \uad6c\uc870\uac00 \uac00\ub2a5\ud558\uae30 \ub54c\ubb38\uc5d0 \uc778\uc131\uc774 \ub0ae\ub2e4\ub294 \uac83\uc744 \uc54c \uc218\uc788\ub2e4 \ubc1c\uc0dd\ud558\ub294 \ubd88\uade0\uc77c \ud55c \ud798\uc73c\ub85c \uc778\ud574 \uc18c\uacb0 \uacf5\uc815\uc5d0\uc11c \ud569\uae08\uc758 \ube44 \ub4f1\ubc29\uc131 \uc774\ubc29\uc131\uc740 \ud569\uae08\uc758 \uc778\uc131\uc744 \ub0ae\ucd94\uace0 \ud569\uae08\uc758 \uc218\uba85\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4. 3 \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0 \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc740 \ub9c8\uc774\ud06c\ub85c\ud30c \uc804\uc790\uae30\uc7a5\uc758 \uc7ac\ub8cc\uc758 \uc720\uc804 \uc190\uc2e4\uc744 \uc774\uc6a9\ud558\uc5ec \uc18c\uacb0\uccb4 \uc804\uccb4\ub97c \uc18c\uacb0 \uc628\ub3c4\ub85c \uac00\uc5f4\ud558\uc5ec \uc18c\uacb0 \ubc0f \uce58\ubc00\ud654\ub97c \ub2ec\uc131\ud558\ub294 \uc0c8\ub85c\uc6b4 \uae09\uc18d \uc18c\uacb0 \uae30\uc220\uc785\ub2c8\ub2e4. \ub9c8\uc774\ud06c\ub85c\ud30c \uc5d0\ub108\uc9c0\ub294 \uc18c\uacb0 \ub41c \ubb3c\uc9c8 \ub0b4\ubd80\uc758 \uc6d0\uc790, \ubd84\uc790 \ub610\ub294 \uc774\uc628\uc758 \uc6b4\ub3d9 \uc5d0\ub108\uc9c0\ub97c \uc99d\uac00\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc5d0, \ubb3c\uc9c8\uc758 \uc18c\uacb0 \ud65c\uc131\ud654 \uc5d0\ub108\uc9c0\uac00 \uac10\uc18c\ub418\uba70, \uc774\ub294 \uc18c\uacb0 \uc628\ub3c4\ub97c \uac10\uc18c\uc2dc\ud0a4\uace0 \uc18c\uacb0 \uc2dc\uac04\uc744 \ub2e8\ucd95\uc2dc\ud0a4\ub294 \ub370 \uc720\ub9ac\ud558\ub2e4. \ub3d9\uc2dc\uc5d0, \ub9c8\uc774\ud06c\ub85c\ud30c \uac00\uc5f4\uc740 \uae09\uc18d \uac00\uc5f4 \ubc0f \uae09\uc18d\ud55c \uc628\ub3c4 \uac10\uc18c\uc758 \ud2b9\uc131\uc744 \uac00\uc9c0\ubbc0\ub85c, \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc5d0 \uc758\ud574 \uc81c\uc870 \ub41c \ubb3c\uc9c8\uc740 \uade0\uc77c \ud55c \ubbf8\uc138 \uad6c\uc870 \ubc0f \ubbf8\uc138\ub3c4, \uc6b0\uc218\ud55c \uc778\uc131 \ub4f1\uc758 \ud2b9\uc131\uc744 \uac16\ub294\ub2e4. \uc804\uccb4 \ud53c\ud06c\uc758 \uc6d0\ub8cc\ub85c\uc11c \uc5d0\ub108\uc9c0 \ubcfc \ubc00\ub9c1\uc744 \uc0ac\uc6a9\ud558\uace0, \uacbd\uc9c8 \ud569\uae08\uc744 \uc81c\uc870\ud558\uae30 \uc704\ud574 \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0 \uacf5\uc815\uc744 \uc0ac\uc6a9 \ud558\uc600\ub2e4. \uc2e4\ud5d8 \uacb0\uacfc\ub294 \ud0c8\ub78d \uc2dc\uac04 \ubc0f \uc18c\uacb0 \uc628\ub3c4\uac00 \ud569\uae08\uc758 \ud2b9\uc131\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \ubc18\uba74, \uc720\uc9c0 \uc2dc\uac04 \ubc0f \uac00\uc5f4 \uc18d\ub3c4\ub294 \ud569\uae08\uc758 \ud2b9\uc131\uc5d0 \uac70\uc758 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uacb0\uacfc\ub294 20 \ubd84\uc758 \ud0c8\ub78d \uc2dc\uac04 \ubc0f 1320 \u2103\uc758 \uc18c\uacb0 \uc628\ub3c4\uc5d0\uc11c \uc218\ub4dd\ub41c\ub2e4. \ud569\uae08 \uc785\uc790\ub294 \ubc00\ub3c4\uac00 14.32g \/ cm3, HV30 16. 11GPa\uc758 \uacbd\ub3c4, \ucd5c\ub300 9\uc758 \ud30c\ub2e8 \uc778\uc131\uc744 \uac16\ub294 \ubbf8\uc138\ud558\uace0 \uade0\uc77c\ud569\ub2c8\ub2e4. 78MPa \u2022 m1 \/ 2 Lu et al. \uc720\uc9c0 \uc2dc\uac04\uc740 \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0 WC-8Co \ucd08\uacbd\ud569\uae08\uc758 \uc785\uc790 \uc131\uc7a5\uc5d0 \uac70\uc758 \uc601\ud5a5\uc744 \ubbf8\uce58\uc9c0 \uc54a\ub294\ub2e4\ub294 \uac83\uc744 \ubc1c\uacac\ud588\ub2e4. BAO R et al. \uc720\uc131 \ubcfc \ubc00\ub9c1 \ubc29\ubc95\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc785\uc790 \ud06c\uae30\uac00 0.15 \u03bcm \uc778 WC \ubc0f Co \ubd84\ub9d0\uc744 \ud63c\ud569 \ubc0f \uc555\ucd95 \ud55c \ub2e4\uc74c \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc744 \uc218\ud589\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc774 \ube60\ub978 \uce58\ubc00\ud654 \ud2b9\uc131\uc744 \uac00\uc9c0\uace0 \uc788\uc74c\uc744 \ubcf4\uc5ec\uc900\ub2e4. \uc18c\uacb0 \ud6c4, \ud0c8\ud0c4 \ub41c \uc0c1\uc774 \ud569\uae08 \ud45c\uba74\uc5d0 \ud615\uc131\ub41c\ub2e4. \ud63c\ud569 \ub3d9\uc548 \uc77c\uc815\ub7c9\uc758 \uce74\ubcf8 \ube14\ub799\uc744 \ucca8\uac00\ud558\uba74 \ud569\uae08 \ud45c\uba74\uc758 \ud0c8\ud0c4\uc744 \uc5b5\uc81c\ud558\uace0 \ud6a8\uacfc\uc801\uc73c\ub85c \ud569\uae08\uc758 \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0ac \uc218\uc788\ub2e4. \ud569\uae08\uc758 HRA \uacbd\ub3c4\ub294 6.08%\uc758 \ucd1d \ud0c4\uc18c \ud568\ub7c9\uc744 \uac16\ub294 \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc0ac\uc6a9\ud558\uc5ec \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0 \ud6c4 93.2\uc5d0 \ub3c4\ub2ec\ud588\ub2e4. \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc740 \uc9e7\uc740 \uc18c\uacb0 \uc2dc\uac04, \ube60\ub978 \uac00\uc5f4 \uc18d\ub3c4, \ubbf8\uc138\ud558\uace0 \uade0\uc77c \ud55c \uc785\uc790 \ud06c\uae30 \ubc0f \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131\uc758 \uc7a5\uc810\uc744 \uac16\uc9c0\ub9cc, \ub9c8\uc774\ud06c\ub85c\ud30c \uc18c\uacb0\uc740 \uc7ac\ub8cc\uc5d0 \ub300\ud55c \uc120\ud0dd\uc131\uc774 \uac15\ud558\uace0 \uc5f4 \ud3ed\uc8fc \ubc0f \ubd88\uade0\uc77c \ud55c \uac00\uc5f4\uc774 \uc27d\ub2e4. \uc7ac\ub8cc \ud2b9\uc131. \ub3d9\uc2dc\uc5d0 \uace0\uc804\ub825 \uc804\uc790 \ub808\uc778\uc9c0 \uc900\ube44\ub294 \uc5ec\uc804\ud788 \uc0b0\uc5c5 \ubb38\uc81c\uc785\ub2c8\ub2e4. \ud604\uc7ac \uc8fc\uc694 \uc5f0\uad6c\ub294 \uc5ec\uc804\ud788 \ud559\uad50\uc640 \uc5f0\uad6c\uc18c\uc5d0 \uc9d1\uc911\ub418\uc5b4 \uc788\uc73c\uba70 \ub300\uaddc\ubaa8 \uc0b0\uc5c5 \uc0dd\uc0b0\uc740 \uc544\uc9c1 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc558\ub2e4 .2. 4 \ubc29\uc804 \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0 \ubc29\uc804 \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc740 \ubd84\ub9d0 \uc785\uc790 \uc0ac\uc774\uc5d0 \uc555\ub825\uacfc DC \ud384\uc2a4 \uc804\ub958\ub97c \uc9c1\uc811 \uc801\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uae30\uacc4\uc801 \uc555\ub825, \ubc29\uc804 \ud384\uc2a4 \uc555\ub825 \ubc0f \uc21c\uac04 \uace0\uc628 \uc7a5\uc758 \uacb0\ud569 \uc791\uc6a9 \ud558\uc5d0\uc11c, \uc18c\uacb0\uccb4 \uc785\uc790\ub294 \uc790\ubc1c\uc801\uc73c\ub85c \uc5f4\uc744 \ubc1c\uc0dd\uc2dc\ud0a4\uace0 \uc785\uc790\uc758 \ud45c\uba74\uc744 \ud65c\uc131\ud654\uc2dc\ucf1c \ube60\ub978 \uce58\ubc00\ud654\ub97c \ub2ec\uc131\ud55c\ub2e4. \uc0c8\ub85c\uc6b4 \uc720\ud615\uc758 \uc18c\uacb0 \uacf5\uc815. \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc740 \uac00\uc5f4 \uc18d\ub3c4\uac00 \ube60\ub974\uba70 \uc18c\uacb0 \uc2dc\uac04\uc774 \uc9e7\uc73c\uba70 \uc18c\uacb0 \uc628\ub3c4\uac00 \ub0ae\uc544\uc11c \uc81c\uc870\uc8fc\uae30\ub97c \ub2e8\ucd95\ud558\uace0 \uacb0\uc815\ub9bd\uc758 \uc131\uc7a5\uc744 \uc5b5\uc81c\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774\ub429\ub2c8\ub2e4. \uc5bb\uc5b4\uc9c4 \uc18c\uacb0\uccb4\ub294 \ubbf8\uc138 \uc870\uc9c1 \uc81c\uc5b4\uac00 \uac00\ub2a5\ud558\uace0, \uc785\ub3c4 \ubc0f \uade0\uc77c \ubd84\ud3ec\uac00 \uc6b0\uc218\ud558\uba70, \uc804\uccb4 \uc131\ub2a5\uc774 \uc6b0\uc218\ud558\ub2e4. . \uc778-\uc2dc\uce04 \ud658\uc6d0-\ud0c4\ud654 \uacf5\uc815\uc73c\ub85c \uc81c\uc870 \ub41c GAO Y \ubc0f \uae30\ud0c0 \ub098\ub178 -WC-10Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \uc6d0\ub8cc\ub85c \uc0ac\uc6a9\ud558\uace0, VC\ub97c \uc785\uc790 \uc131\uc7a5 \uc5b5\uc81c\uc81c\ub85c \uc0ac\uc6a9\ud558\uace0, \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc18c\uacb0\uc2dc \ud0c4\uc18c \ubd84\ud3ec\ub97c \uc5f0\uad6c \ud558\uc600\ub2e4. 1130 \u00b0 C\uc758 \uc628\ub3c4 \ubc0f 60 MPa\uc758 \uc555\ub825. \ud50c\ub77c\uc988\ub9c8 \ucd08\uacbd\ud569\uae08\uc758 \uc131\ub2a5\uc5d0 \ub300\ud55c \ubd80\ud53c\uc758 \uc601\ud5a5. \uacb0\uacfc\ub294 \ud0c4\uc18c\uc758 \uc591\uc774 \ud569\uae08\uc758 \uc0c1, \uad6c\uc870 \ubc0f \ud2b9\uc131\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce5c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc900\ub2e4. \ucd5c\uc801\uc758 \ud0c4\uc18c \ud560\ub2f9 \ud558\uc5d0\uc11c \ud569\uae08\uc740 \uade0\uc77c \ud55c \uad6c\uc870\uc640 \uc21c\uc218\ud55c \uc0c1 (phase)\uc758 \ud2b9\uc131\uc744 \uac00\uc9c0\uba70 \uacbd\ub3c4\uc640 \ud30c\uad34 \uc778\uc131\uc740 20.50GPa \ubc0f 14\uc5d0 \uc774\ub985\ub2c8\ub2e4. 5MPa \u2022 m1 \/ 2 Hao Quan et al. \ubd84\ubb34 \ubcc0\ud658\ubc95\uc5d0 \uc758\ud574 \uc81c\uc870 \ub41c \uc785\uc790 \ud06c\uae30 250 nm\uc758 WC-10Co \ubcf5\ud569 \ubd84\ub9d0\uc744 \ubc29\uc804 \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc744\uc704\ud55c \uc6d0\ub8cc\ub85c\uc11c \uc0ac\uc6a9\ud558\uace0, \uc18c\uacb0 \uc628\ub3c4 \ubc0f \ubd84\uc704\uae30\uc758 \ud6a8\uacfc\ub97c \uc5f0\uad6c \ud558\uc600\ub2e4. \uacb0\uacfc\ub294 \uc18c\uacb0 \uc628\ub3c4\uac00 \uc99d\uac00\ud558\uace0, \ud37c\ub2c8\uc2a4\uc758 \uc555\ub825\uc774 \uac10\uc18c\ud558\uace0, \ucf54\ubc1c\ud2b8 \uc0c1\uc774 \uc99d\ubc1c\ud558\uba70, \ud569\uae08\uc774 \ud3c9\ud615\uc0c1\uc5d0\uc11c \ubc97\uc5b4\ub09c\ub2e4\ub294 \uac83\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. 1250 \u2103\uc5d0\uc11c 5 \ubd84 \ub3d9\uc548 \uc18c\uacb0 \ub41c WC-10.10Co \ubcf5\ud569 \ubd84\ub9d0\uc758 Co \ud568\ub7c9\uc740 10.02%\uac00\ub41c\ub2e4. LIU WB et al. \ud569\uae08\uc758 \ubbf8\uc138 \uad6c\uc870 \ubc0f \ud2b9\uc131\uc5d0 \ub300\ud55c \ubc29\uc804 \ud50c\ub77c\uc988\ub9c8 \uacf5\uc815 \ud30c\ub77c\ubbf8\ud130\uc758 \uc601\ud5a5\uc744 \uc644\uc804\ud788 \uc5f0\uad6c\ud588\uc2b5\ub2c8\ub2e4. \uacb0\uacfc\ub294 \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0 \uacf5\uc815 \ub3d9\uc548 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uce58\ubc00\ud654 \uc2dc\uc791 \uc628\ub3c4\uac00 \uc57d 804 \u2103\uc784\uc744 \ubcf4\uc5ec\uc900\ub2e4. 92.6, 12 MPa \u2022 m1 \/ 2 \ubc0f 2 180 MPa\uc758 HRA \uacbd\ub3c4, \ud30c\uad34 \uc778\uc131 \ubc0f \ud6a1 \ud30c\uc5f4 \uac15\ub3c4\ub294 \uc18c\uacb0 \uc628\ub3c4 1325 \u00b0 C, \uc555\ub825 50 MPa\uc758 \ucd5c\uc801\ud654 \ub41c \uc870\uac74\uc5d0\uc11c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubc0f 6 \ub0b4\uc9c0 8 \ubd84\uc758 \uc720\uc9c0 \uc2dc\uac04. \ud569\uae08. \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc740 \uc18c\uacb0 \uacfc\uc815\uc5d0\uc11c \uc785\uc790\uc758 \uc18c\uc131 \uc720\ub3d9 \ubc0f \ud45c\uba74 \ud655\uc0b0\uc5d0 \ub3c4\uc6c0\uc774\ub418\ub294 \ud2b9\uc218\ud55c DC \ud384\uc2a4 \uc804\uc555\uc744 \uac00\uc9c0\uae30 \ub54c\ubb38\uc5d0, \uc7ac\ub8cc\ub294 \ube44\uad50\uc801 \uc800\uc628\uc5d0\uc11c \ub2e8\uc2dc\uac04\uc5d0 \ube60\ub974\uac8c \uce58\ubc00\ud654\ub41c\ub2e4. \uc720\ub9dd\ud55c \uc2e0\uae30\uc220\uc785\ub2c8\ub2e4. , \uc804 \uc138\uacc4\uc5d0\uc11c \ub110\ub9ac \uc5f0\uad6c\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2a4\ud30c\ud06c \ud50c\ub77c\uc988\ub9c8 \uc18c\uacb0\uc740 \ubcf5\uc7a1\ud55c \uad6c\uc870\ubb3c\uc758 \uc18c\uacb0\uc5d0 \uc5b4\ub824\uc6c0\uc774 \uc788\uc73c\uba70, \ub300\uaddc\ubaa8 \uc0b0\uc5c5 \uc751\uc6a9 \ubd84\uc57c\ub294 \uc5ec\uc804\ud788 \ud0d0\uc0ac \ub2e8\uacc4\uc5d0 \uc788\uc2b5\ub2c8\ub2e4. 3 \ub098\ub178 WC-7Co \ub808\uc774\ud06c \ud398\uc774\uc2a4\uc758 \ub9c8\ubaa8 \ub9c8\ubaa8 \ud754\uc801 4 \ub2e4\uc591\ud55c \ud558\uc911 \ud558\uc5d0\uc11c \ub098\ub178 \uce74\ubc14\uc774\ub4dc\uc640 \uc77c\ubc18 \ucd08\uacbd\ud569\uae08\uc758 \ub9c8\ucc30 \uacc4\uc218 3 \uacb0\ub860 \ub098\ub178 \/ \ucd08 \uacb0\uc815 \ucd08\uacbd\ud569\uae08\uc740 \uace0\uc131\ub2a5 \uace0 \ubd80\uac00\uac00\uce58 \ucd08\uacbd\ud569\uae08 \uc81c\ud488\uc785\ub2c8\ub2e4. \uc0b0\uc5c5\ud654 \ub420 \uc218\uc788\ub294 \ub098\ub178 \/ \ucd08\ubbf8\ub9bd\uc790 \ucd08\uacbd \uc81c\ud488\uc758 \uac1c\ubc1c\uc740 \uc911\uad6d\uc758 \ucd08\uacbd\ud569\uae08 \uc0b0\uc5c5\uc5d0\uc11c \ud574\uacb0\ud574\uc57c \ud560 \ubb38\uc81c \uc911 \ud558\ub098\uac00\ub418\uc5c8\ub2e4. \uc911\uad6d\uc758 \uacbd\ud569\uae08 \uc0b0\uc5c5\uc758 \uac74\uc804\ud55c \ubc1c\uc804\uc744 \ucd09\uc9c4\ud558\ub294 \uac83\uc740 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \ucd5c\uadfc\uc5d0, \uad6d\uac00 \uc815\ucc45\uc758 \uac15\ub825\ud55c\uc9c0\uc9c0\ud558\uc5d0, \uc911\uad6d\uc5d0\uc11c \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc758 \uc81c\uc870\ub294 \ud68d\uae30\uc801\uc778 \uac83\uc774\uba70, \uace0\uc131\ub2a5 \ub098\ub178 \/ \ucd08 \ubbf8\ub9bd WC-Co \ubcf5\ud569 \ubd84\ub9d0\uc740 \uc810\ucc28 \uc0b0\uc5c5\ud654\ub418\uc5c8\ub2e4. \uadf8\ub7ec\ub098, \uc548\uc815\uc801\uc778 \ud488\uc9c8\uacfc \uc2e0\ub8b0\ud560 \uc218\uc788\ub294 \uc81c\ud488\uc73c\ub85c \uace0\uc131\ub2a5 \ub098\ub178 \/ \ucd08\uc815\ubc00 \ucd08\uacbd\ud569\uae08\uc744 \uc0dd\uc0b0\ud558\uae30 \uc704\ud574, \ud2b9\ud788 \uc785\uc790 \ud06c\uae30\uac00 0.2 \u03bcm \ubbf8\ub9cc\uc778 \ub098\ub178 \/ \ucd08\uc815\ubc00 \ucd08\uacbd\ud569\uae08\uc758 \ub300\uaddc\ubaa8 \uc0dd\uc0b0\uc744 \uc704\ud574\uc11c\ub294 \uc5ec\uc804\ud788 \ud569\uae08 \uad00\ub828 \uc81c\uc870 \uacf5\uc815\uc758 \uc5f0\uad6c \uac1c\ubc1c\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ub370 \ud544\uc694\ud569\ub2c8\ub2e4.<br \/>\n\uadfc\uc6d0 : Meeyou \ud0c4\ud654\ubb3c<\/div>\n<p><!-- .vgblk-rw-wrapper --><\/p>","protected":false},"excerpt":{"rendered":"<p>Abstract : The two key factors for the preparation of nano \/ ultrafine WC &#8211; Co cemented carbides are the prep -Aration of high &#8211; quality nano\/ ultrafine WC &#8211; Co composite powders and the control of grain growth during sintering. The research progress at home and abroad in recent years is comprehensively reviewed on&#8230;<\/p>","protected":false},"author":1,"featured_media":1183,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[92],"tags":[],"class_list":["post-1182","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-cutting-tools-weekly"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/posts\/1182","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/comments?post=1182"}],"version-history":[{"count":0,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/posts\/1182\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/"}],"wp:attachment":[{"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/media?parent=1182"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/categories?post=1182"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.meetyoucarbide.com\/ko\/wp-json\/wp\/v2\/tags?post=1182"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}