{"id":136534,"date":"2025-11-03T15:50:23","date_gmt":"2025-11-03T07:50:23","guid":{"rendered":"https:\/\/www.alpapowder.com\/136534\/"},"modified":"2025-11-03T15:50:23","modified_gmt":"2025-11-03T07:50:23","slug":"%eb%84%a4%ec%98%a4%eb%94%94%eb%ae%b4-%ec%b2%a0-%eb%b6%95%ec%86%8c-%ed%8f%90%ea%b8%b0%eb%ac%bc-%ec%9e%ac%ed%99%9c%ec%9a%a9-%eb%86%93%ec%b9%a0-%ec%88%98-%ec%97%86%eb%8a%94-%eb%b3%b4%eb%ac%bc-%ec%b0%bd","status":"publish","type":"post","link":"https:\/\/www.alpapowder.com\/ko\/136534\/","title":{"rendered":"\ub124\uc624\ub514\ubbb4 \ucca0 \ubd95\uc18c \ud3d0\uae30\ubb3c \uc7ac\ud65c\uc6a9: \ub193\uce60 \uc218 \uc5c6\ub294 \ubcf4\ubb3c \ucc3d\uace0"},"content":{"rendered":"

\"\"<\/p>\n

\ub124\uc624\ub514\ubbb4 \ucca0 \ubd95\uc18c(NdFeB) \uc601\uad6c \uc790\uc11d\uc740 \ub6f0\uc5b4\ub09c \uc790\uae30\uc801 \ud2b9\uc131\uc73c\ub85c \ud48d\ub825 \ubc1c\uc804, \uc2e0\uc5d0\ub108\uc9c0 \uc790\ub3d9\ucc28, \uc804\uc790 \uc81c\ud488\uc5d0 \ub110\ub9ac \uc0ac\uc6a9\ub418\uc5b4 “\uc790\uc11d\uc758 \uc655”\uc774\ub77c\ub294 \uce6d\ud638\ub97c \uc5bb\uc5c8\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 NdFeB \uc790\uc11d \uc0dd\uc0b0 \uacf5\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc2a4\ud06c\ub7a9 \ube44\uc728\uc740 \ucd5c\ub300 30%\uc5d0 \ub2ec\ud558\uba70, \uc218\uba85\uc774 \uc9e7\ub2e4\ub294 \uc810\uacfc \ub354\ubd88\uc5b4 NdFeB \ud3d0\uae30\ubb3c\uc758 \uc591\uc774 \ub9e4\uc6b0 \ub9ce\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc774\ub7ec\ud55c \ud3d0\uae30\ubb3c\uc5d0\ub294 \ucd5c\ub300 30%\uc758 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uac00 \ud568\uc720\ub418\uc5b4 \uc788\uc5b4 1\ucc28 \ud76c\ud1a0\ub958 \uad11\uc11d \ud568\ub7c9\uc744 \ud6e8\uc52c \ucd08\uacfc\ud558\uc5ec \ub9e4\uc6b0 \uadc0\uc911\ud55c 2\ucc28 \uc790\uc6d0\uc785\ub2c8\ub2e4. NdFeB \ud3d0\uae30\ubb3c\uc5d0\uc11c \ud76c\ud1a0\ub958 \uc6d0\uc18c\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \ud68c\uc218\ud558\ub294 \uac83\uc740 \ud76c\ud1a0\ub958 \uc790\uc6d0 \ud655\ubcf4, \ud658\uacbd \uc624\uc5fc \uac10\uc18c, \uadf8\ub9ac\uace0 \uc9c0\uc18d \uac00\ub2a5\ud55c \uac1c\ubc1c \ucd09\uc9c4\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

NdFeB \ud3d0\uae30\ubb3c\uc758 \ud2b9\uc131 \ubc0f \ucd9c\ucc98<\/p>\n

NdFeB \ud3d0\uae30\ubb3c\uc740 \uc8fc\ub85c \uc790\uc11d \uc81c\uc870 \uacf5\uc815\uc5d0\uc11c \ubc1c\uc0dd\ud558\ub294 \uc2a4\ud06c\ub7a9, \ubd88\ub7c9 \uc81c\ud488, \uadf8\ub9ac\uace0 \uc790\uc11d\uc774 \ud3ec\ud568\ub41c \ud3d0\uae30 \uc804\uc790 \uc81c\ud488\uc5d0\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ud654\ud559\uc801 \uc870\uc131\uc774 \ubcf5\uc7a1\ud558\uc5ec \uc8fc\uc694 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc778 Nd\uc640 Pr \uc678\uc5d0\ub3c4 \ubcf4\uc790\ub825 \ud5a5\uc0c1\uc744 \uc704\ud574 Dy\uc640 Tb\uc640 \uac19\uc740 \uc6d0\uc18c\uac00 \ucca8\uac00\ub418\uace0, \uc804\ubc18\uc801\uc778 \uc131\ub2a5 \ud5a5\uc0c1\uc744 \uc704\ud574 Co, Al, Cu\uc640 \uac19\uc740 \uc6d0\uc18c\uac00 \ucca8\uac00\ub429\ub2c8\ub2e4. \ud76c\ud1a0\ub958 \uc6d0\uc18c(REE) \ud568\ub7c9\uc5d0 \ub530\ub77c NdFeB \ud3d0\uae30\ubb3c\uc740 \uc800\ud76c\ud1a0\ub958(REE < 20%), \uc911\ud76c\ud1a0\ub958(20%~30%), \uace0\ud76c\ud1a0\ub958(> 30%)\uc758 \uc138 \uac00\uc9c0 \ubc94\uc8fc\ub85c \ubd84\ub958\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud604\uc7ac NdFeB \ud3d0\uae30\ubb3c\uc758 \uc7ac\ud65c\uc6a9 \uacf5\uc815\uc740 \uc8fc\ub85c \uac74\uc2dd\uc81c\ub828, \uc2b5\uc2dd\uc81c\ub828, \uadf8\ub9ac\uace0 \uc0c8\ub85c\uc6b4 \uc7ac\ud65c\uc6a9 \uae30\uc220\ub85c \ub098\ub269\ub2c8\ub2e4.<\/p>\n

(I) \uac74\uc2dd\uc81c\ub828 \uc7ac\ud65c\uc6a9 \uacf5\uc815<\/p>\n

\uac74\uc2dd\uc81c\ub828 \uc7ac\ud65c\uc6a9\uc740 \uace0\uc628 \ubc18\uc751\uc744 \ud1b5\ud574 \ucca0\uc5d0\uc11c \ud76c\ud1a0\ub958 \uc6d0\uc18c\ub97c \ubd84\ub9ac\ud569\ub2c8\ub2e4. \uc8fc\uc694 \ubc29\ubc95\uc73c\ub85c\ub294 \uc120\ud0dd\uc801 \uc0b0\ud654, \uc5fc\uc18c\ud654 \ubd84\ub9ac, \uc561\uccb4 \ud569\uae08\ud654, \uc2ac\ub798\uadf8-\uae08\uc18d \uc6a9\uc735 \ubd84\ub9ac \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc120\ud0dd\uc801 \uc0b0\ud654\ub294 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uac00 \ucca0\ubcf4\ub2e4 \uc0b0\uc18c \uce5c\ud654\ub3c4\uac00 \ud6e8\uc52c \ub192\ub2e4\ub294 \uc0ac\uc2e4\uc5d0 \uae30\ubc18\ud569\ub2c8\ub2e4. \uace0\uc628\uc5d0\uc11c \ud76c\ud1a0\ub958 \uc6d0\uc18c\ub294 \uc120\ud0dd\uc801\uc73c\ub85c \uc0b0\ud654\ub418\uc5b4 \uc0b0\ud654\ubb3c\uc744 \ud615\uc131\ud558\uace0, \uc774 \uc0b0\ud654\ubb3c\uc740 \uae08\uc18d \ucca0\uc5d0\uc11c \ubd84\ub9ac\ub429\ub2c8\ub2e4. \ub098\uce74\ubaa8\ud1a0(Nakamoto) \ub4f1\uc740 \uc0b0\uc18c \ubd84\uc555\uc744 \uc815\ubc00\ud558\uac8c \uc81c\uc5b4\ud558\uc5ec \uc21c\ub3c4 95% \uc774\uc0c1, \ud68c\uc218\uc728 99% \uc774\uc0c1\uc758 \ud63c\ud569 \ud76c\ud1a0\ub958 \uc0b0\ud654\ubb3c\uc744 \uc131\uacf5\uc801\uc73c\ub85c \uc81c\uc870\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc5fc\uc18c\ud654 \ubd84\ub9ac\ub294 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc640 \uc5fc\uc18c \uc0ac\uc774\uc758 \uac15\ud55c \uce5c\ud654\ub825\uc744 \ud65c\uc6a9\ud569\ub2c8\ub2e4. NH4Cl, FeCl2, MgCl2\uc640 \uac19\uc740 \uc5fc\uc18c\ud654\uc81c\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud76c\ud1a0\ub958 \uc6d0\uc18c\ub97c \ubd84\ub9ac \uc804 \uc5fc\ud654\ubb3c\ub85c \uc804\ud658\ud569\ub2c8\ub2e4. \uc6b0\ub2e4(Uda)\ub294 FeCl2\ub97c \uc5fc\uc18c\ud654\uc81c\ub85c \uc0ac\uc6a9\ud558\uc5ec 800\u2103\uc5d0\uc11c \ubc18\uc751\uc2dc\ucf1c \ud76c\ud1a0\ub958 \ud68c\uc218\uc728 95.9%, \uc81c\ud488 \uc21c\ub3c4 99%\ub97c \ub2ec\uc131\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc561\uc0c1 \ud569\uae08\ud654\ubc95\uc740 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc640 \ucca0 \uc0ac\uc774\uc758 \ub2e4\ub978 \uae08\uc18d\uc5d0 \ub300\ud55c \uce5c\ud654\ub825 \ucc28\uc774\ub97c \ud65c\uc6a9\ud558\uc5ec \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc640 \ucca0\uc758 \ud6a8\uacfc\uc801\uc778 \ub18d\ucd95 \ubc0f \ubd84\ub9ac\ub97c \ub2ec\uc131\ud569\ub2c8\ub2e4. \ud76c\ud1a0\ub958 \uc6d0\uc18c\uc778 Nd\ub294 Ag, Mg \ub4f1\uacfc \ub2e4\uc591\ud55c \uc800\uc735\uc810 \ud569\uae08\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc2ac\ub798\uadf8-\uae08\uc18d \ubd84\ub9ac\ubc95\uc740 NdFeB \ud3d0\uae30\ubb3c \ub0b4 \ud76c\ud1a0\ub958 \uc6d0\uc18c\uac00 \uc0b0\uc18c\uc640 \ub354 \uc27d\uac8c \uacb0\ud569\ud55c\ub2e4\ub294 \ud2b9\uc131\uc5d0 \uae30\ubc18\ud569\ub2c8\ub2e4. NdFeB \ud3d0\uae30\ubb3c \ub0b4 \ubaa8\ub4e0 \uae08\uc18d\uc740 \uae08\uc18d \uc0b0\ud654\ubb3c\ub85c \uc804\ud658\ub429\ub2c8\ub2e4. \ub3d9\uc2dc\uc5d0, \uc2ac\ub798\uae45\uc81c\uc758 \uace0\uc628\uc5d0\uc11c \uc0b0\ud654\ucca0\uc740 \ud658\uc6d0 \uc870\uac74\uc744 \uc870\uc808\ud558\uc5ec \uae08\uc18d Fe\ub85c \uc804\ud658\ub429\ub2c8\ub2e4.<\/p>\n

(II) \uc2b5\uc2dd \ud68c\uc218 \uacf5\uc815<\/p>\n

\uc2b5\uc2dd \ud68c\uc218\ub294 \ud604\uc7ac \uac00\uc7a5 \ub110\ub9ac \uc0ac\uc6a9\ub418\ub294 \ubc29\ubc95\uc73c\ub85c, \uc8fc\ub85c \uc804\uc6a9\ud574\ubc95, \uc5fc\uc0b0 \uc6b0\uc120 \uc6a9\ud574\ubc95, \ubcf5\uc5fc \uce68\uc804\ubc95, \uc6a9\ub9e4 \ucd94\ucd9c\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n

(III) \uc0c8\ub85c\uc6b4 \uc7ac\ud65c\uc6a9 \uacf5\uc815<\/p>\n

\uc0c8\ub85c\uc6b4 \uc7ac\ud65c\uc6a9 \uae30\uc220\uc740 \uc218\uc18c \ud3ed\ubc1c, \uc0dd\ubb3c\uce68\ucd9c, \uc804\uae30\ud654\ud559\uc801 \ubc29\ubc95\uc744 \ud3ec\ud568\ud55c \uae30\uc874 \ubc29\ubc95\uc758 \ub192\uc740 \uc5d0\ub108\uc9c0 \uc18c\ube44 \ubc0f \uc2ec\uac01\ud55c \uc624\uc5fc \ubb38\uc81c\ub97c \ud574\uacb0\ud558\ub294 \uac83\uc744 \ubaa9\ud45c\ub85c \ud569\ub2c8\ub2e4.<\/p>\n

\ub2e4\uc591\ud55c \uc7ac\ud65c\uc6a9 \uacf5\uc815\uacfc \ud658\uacbd \uc601\ud5a5 \ube44\uad50<\/p>\n

\uac74\uc2dd \uc81c\ub828 \uacf5\uc815\uc740 \uc720\uc18d\uc774 \uc9e7\uace0 \ucc98\ub9ac \uc6a9\ub7c9\uc774 \ud06c\uc9c0\ub9cc \uc5d0\ub108\uc9c0 \uc18c\ube44\ub7c9\uc774 \ub192\uace0 \ub2e8\uc77c \ud76c\ud1a0\ub958 \uc6d0\uc18c\ub97c \ubd84\ub9ac\ud558\ub294 \ub370 \uc5b4\ub824\uc6c0\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc2b5\uc2dd \uc81c\ub828 \uacf5\uc815\uc740 \ud68c\uc218\uc728\uc774 \ub192\uace0 \uc81c\ud488 \uc21c\ub3c4\uac00 \ub192\uc9c0\ub9cc \uc0b0 \uc18c\ube44\ub7c9\uc774 \ub9ce\uace0 \ud3d0\uc218 \ucc98\ub9ac \ube44\uc6a9\uc774 \ub192\uc2b5\ub2c8\ub2e4. \uc0dd\ubb3c\uce68\ucd9c \ubc0f \uc804\uae30\ud654\ud559\uc801 \ubc29\ubc95\uacfc \uac19\uc740 \uc0c8\ub85c\uc6b4 \uacf5\uc815\uc740 \ud658\uacbd \uce5c\ud654\uc801\uc774\uc9c0\ub9cc \ub300\ubd80\ubd84 \uc2e4\ud5d8\uc2e4 \ub2e8\uacc4\uc5d0 \uc788\uc73c\uba70 \uc544\uc9c1 \ub300\uaddc\ubaa8 \uc801\uc6a9\uc740 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4.<\/p>\n

\ud658\uacbd \uc601\ud5a5 \uce21\uba74\uc5d0\uc11c, \uae30\uc874\uc758 \uc7ac\ud65c\uc6a9 \uacf5\uc815\uc740 \uac15\uc0b0, \uac15\uc54c\uce7c\ub9ac, \uace0\uc628\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc544 \ub2e4\ub7c9\uc758 \ud3d0\uc561\uacfc \ud3d0\uac00\uc2a4\ub97c \ubc1c\uc0dd\uc2dc\ucf1c \ud658\uacbd \ubd80\ud558\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uce5c\ud658\uacbd\uc801\uc774\uace0 \uc800\uc18c\ube44\ud615 \uc7ac\ud65c\uc6a9 \uacf5\uc815 \uac1c\ubc1c\uc774 \u200b\u200b\ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n

NdFeB \ud3d0\uae30\ubb3c \uc7ac\ud65c\uc6a9\uc740 \ud76c\ud1a0\ub958 \uc790\uc6d0 \ubd80\uc871\uc744 \uc644\ud654\ud558\uace0 \ud658\uacbd \uc624\uc5fc\uc744 \uc904\uc774\ub294 \ud575\uc2ec \ubc29\ubc95\uc785\ub2c8\ub2e4. \uae30\uc220 \ud601\uc2e0\uacfc \uc815\ucc45\uc801 \uc9c0\uc6d0\uc744 \ud1b5\ud574 NdFeB \uc7ac\ud65c\uc6a9 \uc0b0\uc5c5\uc740 \uce5c\ud658\uacbd, \uc800\ube44\uc6a9, \uc9e7\uc740 \uacf5\uc815, \ub192\uc740 \ud68c\uc218\uc728\uc744 \ubaa9\ud45c\ub85c \ubc1c\uc804\ud558\uc5ec \uc9c0\uc18d \uac00\ub2a5\ud55c \ubc1c\uc804\uc5d0 \uc0c8\ub85c\uc6b4 \ud65c\ub825\uc744 \ubd88\uc5b4\ub123\uc744 \uac83\uc785\ub2c8\ub2e4.<\/p>\n","protected":false},"excerpt":{"rendered":"

\ud658\uacbd \uc601\ud5a5 \uce21\uba74\uc5d0\uc11c \ubcfc \ub54c, \uae30\uc874\uc758 \uc7ac\ud65c\uc6a9 \uacf5\uc815\uc740 \uac15\uc0b0, \uac15\uc54c\uce7c\ub9ac, \uace0\uc628\uc744 \uc0ac\uc6a9\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc544 \ub300\ub7c9\uc758 \ud3d0\uc561\uacfc \ud3d0\uac00\uc2a4\ub97c \ubc1c\uc0dd\uc2dc\ucf1c \ud658\uacbd \ubd80\ub2f4\uc744 \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n","protected":false},"author":7,"featured_media":136515,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[845],"tags":[],"class_list":["post-136534","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category---ko"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/posts\/136534","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/users\/7"}],"replies":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/comments?post=136534"}],"version-history":[{"count":0,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/posts\/136534\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/media\/136515"}],"wp:attachment":[{"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/media?parent=136534"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/categories?post=136534"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.alpapowder.com\/ko\/wp-json\/wp\/v2\/tags?post=136534"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}