{"id":2777,"date":"2025-09-10T08:35:09","date_gmt":"2025-09-10T08:35:09","guid":{"rendered":"https:\/\/am-printing.com\/?p=2777"},"modified":"2025-09-03T08:48:23","modified_gmt":"2025-09-03T08:48:23","slug":"control-of-oxide-inclusions-in-ods-fecral-steel-by-lpbf-parameters","status":"publish","type":"post","link":"https:\/\/am-printing.com\/ko\/control-of-oxide-inclusions-in-ods-fecral-steel-by-lpbf-parameters\/","title":{"rendered":"LPBF \ud30c\ub77c\ubbf8\ud130\ub97c \ud1b5\ud55c ODS FeCrAl \uac15\ucca0\uc758 \uc0b0\ud654\ubb3c \ub0b4\ud3ec\ubb3c \uc81c\uc5b4"},"content":{"rendered":"<h2 class=\"wp-block-heading\"><strong>LPBF \ud30c\ub77c\ubbf8\ud130\ub97c \ud1b5\ud55c ODS FeCrAl \uac15\ucca0\uc758 \uc0b0\ud654\ubb3c \ub0b4\ud3ec\ubb3c \uc81c\uc5b4<\/strong><\/h2>\n\n\n\n<p>\uc5f4 \uc785\ub825\uc740 \uc6a9\uc735 \ud480 \ud615\uc0c1 \ubc0f \uc0b0\ud654\ubb3c \ud568\uc720\ub7c9\uacfc \uc0c1\uad00\uad00\uacc4\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uc5f0\uad6c\uc9c4\uc740 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc6a9\uc735 \ud30c\ub77c\ubbf8\ud130\ub97c \uc218\uc815\ud558\uc5ec Fe-22Cr-5.1Al-0.5Ti-0.26Y \ubc0f TiO\u2082 \ubd84\ub9d0 \ud63c\ud569\ubb3c\uc5d0\uc11c Y-Al-O \uc0b0\ud654\ubb3c \ub0b4\ud3ec\ubb3c\uc774 \uc5c6\ub294 ODS-FeCrAl \uac15\ucca0\uc744 \uc0dd\uc0b0\ud588\uc2b5\ub2c8\ub2e4. \uc774 \uc5f0\uad6c\ub294 PBF \uacf5\uc815 \uc911 \ud569\uae08\uc5d0\uc11c \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc744 \ud604\uc7a5\uc5d0\uc11c \uc81c\uac70\ud558\ub294 \uc2e4\ud604 \uac00\ub2a5\ud55c \ubc29\ubc95\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ud569\uae08\uc5d0 \ud3ec\ud568\ub41c \uc0b0\ud654\ubb3c\uc740 \ubd80\ud488\uc758 \ud53c\ub85c \uc218\uba85\uc744 \uc800\ud558\uc2dc\ud0ac \uc218 \uc788\uc73c\uba70 \ud574\uc218 \ud658\uacbd\uc5d0\uc11c \uc6b0\uc120\uc801\uc73c\ub85c \ubd80\uc2dd\ub418\ub294 \ubd80\uc704\uac00 \ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>PBF \uacf5\uc815\uc744 \ud1b5\ud574 FeCrAl ODS \uac15\ucca0\uc744 \uc81c\uc870\ud560 \ub54c, Y\uc640 Al\uc758 \ub192\uc740 O \uce5c\ud654\ub825\uc73c\ub85c \uc778\ud574 Y-Al-O \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc774 \uc0dd\uc131\ub429\ub2c8\ub2e4. Y \ud568\uc720 \uc0b0\ud654\ubb3c \uac1c\uc7ac\ubb3c\uc758 \uc874\uc7ac\ub294 \uc0b0\ud654\ubb3c \ubd84\uc0b0 \uac15\ud654 \uac15\ucca0\uc758 \uc801\uce35 \uc81c\uc870\uc5d0\uc11c \ud754\ud788 \ubc1c\uc0dd\ud558\ub294 \ubb38\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\uc774 \uc5f0\uad6c\uc5d0\uc11c\ub294 Fe-22Cr-5.1Al-0.5Ti-0.26Y(wt.%)\uc758 \uc0ac\uc804 \ud569\uae08 \ubd84\ub9d0\uc744 0.5 wt% TiO\u2082(50nm, \uc21c\ub3c4 99.99%) \ubd84\ub9d0\uacfc \ud63c\ud569\ud558\uc5ec \uc0b0\uc18c \uc6b4\ubc18\uccb4\ub85c \uc0ac\uc6a9\ud588\uc2b5\ub2c8\ub2e4. 70 \u00d7 10 \u00d7 15mm\u00b3(\uae38\uc774 \u00d7 \ub108\ube44 \u00d7 \ub192\uc774) \ud06c\uae30\uc758 \uc0d8\ud50c\uc740 \ub808\uc774\uc800 \ubd84\ub9d0 \ubca0\ub4dc \uc735\ud569(LPBF) \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc81c\uc870\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uacf5\uc815 \ud30c\ub77c\ubbf8\ud130\ub294 \ub808\uc774\uc800 \ucd9c\ub825 P = 300W, \uc2a4\uce90\ub2dd \uc18d\ub3c4 v = 834mm\/s ~ 1318mm\/s, \uc2a4\ud3ff \uac04\uaca9 h = 110\u03bcm, \uce35 \ub450\uaed8 t = 30\u03bcm\uc600\uc2b5\ub2c8\ub2e4. \uc5f0\uc18d\ub41c \ub808\uc774\uc5b4 \uc0ac\uc774\ub97c 90\u00b0 \ud68c\uc804\ud558\ub294 \uc591\ubc29\ud5a5 \uc2a4\uce90\ub2dd \uc804\ub7b5\uc774 \ucc44\ud0dd\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc778\uc1c4\ud558\uae30 \uc804\uc5d0 \uc5f0\uac15 \uae30\ud310\uc744 150\u00b0C\ub85c \uc608\uc5f4\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img fetchpriority=\"high\" decoding=\"async\" width=\"798\" height=\"520\" src=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo.jpg\" alt=\"\" class=\"wp-image-2779\" srcset=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo.jpg 798w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo-300x195.jpg 300w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo-768x500.jpg 768w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo-18x12.jpg 18w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/metal-powder-speed-photo-600x391.jpg 600w\" sizes=\"(max-width: 798px) 100vw, 798px\" \/><\/figure>\n\n\n\n<p>\uc6a9\uc735 \ud480\uc5d0 \ud22c\uc785\ub418\ub294 \uc5f4\uc774 \uc99d\uac00\ud558\uba74(\uc989, \uc2a4\uce94 \uc18d\ub3c4\uac00 \uac10\uc18c\ud558\uba74) \uc6a9\uc735 \ud480\uc758 \ub2e8\uba74\uc801\uc740 \uc99d\uac00\ud558\uace0 \uc778\uc811\ud55c \uc6a9\uc735 \ud480 \uc0ac\uc774\uc758 \uc7ac\uc6a9\uc735\uc774 \uac1c\uc120\ub429\ub2c8\ub2e4. \uc774\ub807\uac8c \ud5a5\uc0c1\ub41c \uc7ac\uc6a9\uc735\uc740 \uc774\uc804\uc5d0 \uc751\uace0\ub41c \uc601\uc5ed\uc5d0\uc11c \ud604\uc7ac \uc6a9\uc735 \ud480\ub85c \uc5d0\ud53c\ud0dd\uc15c \uc785\uc790 \uc131\uc7a5\uc744 \ucd09\uc9c4\ud558\uc5ec \uc785\uc790\uac00 \uac70\uce60\uc5b4\uc9c0\uac8c \ud569\ub2c8\ub2e4. \uc6a9\uc735 \ud480\uc758 \ud615\uc0c1(\uae4a\uc774\uc640 \ud3ed)\uc740 \uad11\ud559 \uce21\uc815 \uc2dc\uc2a4\ud15c\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc815\ub7c9\uc801\uc73c\ub85c \ud2b9\uc131\ud654\ud588\uc2b5\ub2c8\ub2e4. \uadf8 \uacb0\uacfc \uc6a9\uc735 \ud480\uc758 \uae4a\uc774\uc640 \ud3ed\uc740 \uc5f4 \uc785\ub825\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uc99d\uac00\ud558\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \uc5f4 \uc785\ub825\uc774 109 J\/mm\u00b3\ub85c \uc99d\uac00\ud588\uc744 \ub54c, \ud558\ub098\uc758 \uc99d\ucc29\ub41c \ub808\uc774\uc5b4\ub294 \ud504\ub9b0\ud305 \uacf5\uc815 \uc911\uc5d0 6\ubc88\uc758 \uc7ac\uc6a9\uc735 \uc0ac\uc774\ud074\uc744 \uac70\ucce4\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<p>\ucd94\uac00 \ubbf8\uc138 \uad6c\uc870 \ud2b9\uc131 \ubd84\uc11d \uacb0\uacfc, \uc5f4 \uc785\ub825\uc744 \ub192\uc774\uba74 \uc2dc\ub8cc\uc5d0\uc11c Y-Al-O \uc0b0\ud654\ubb3c \ub0b4\ud3ec\ubb3c\uc774 \ud6a8\uacfc\uc801\uc73c\ub85c \uc81c\uac70\ub418\ub294 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. 109J\/mm\u00b3\uc758 \uc5f4 \uc785\ub825\uc5d0\uc11c Y-Al-O \uc0b0\ud654\ubb3c \ub0b4\ud3ec\ubb3c\uc740 \ub9e4\ud2b8\ub9ad\uc2a4\uc5d0\uc11c \uac70\uc758 \ubcf4\uc774\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4(0.1% \ubbf8\ub9cc).<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"720\" height=\"520\" src=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/microstructural-characterization-.jpg\" alt=\"\" class=\"wp-image-2781\" srcset=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/microstructural-characterization-.jpg 720w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/microstructural-characterization--300x217.jpg 300w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/microstructural-characterization--18x12.jpg 18w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/microstructural-characterization--600x433.jpg 600w\" sizes=\"(max-width: 720px) 100vw, 720px\" \/><\/figure>\n\n\n\n<p>\uadf8\ub7ec\ub098 \uc5f4 \uc785\ub825\uc774 \uc99d\uac00\ud558\uba74 \uc785\uc790\uac00 \uac70\uce60\uc5b4\uc9d1\ub2c8\ub2e4. \ud3c9\uade0 \uc785\uc790 \ud06c\uae30\ub294 72\u03bcm\uc5d0\uc11c 179\u03bcm\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. \ub610\ud55c \uc5f4 \uc785\ub825\uc774 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \ub098\ub178 \uce68\uc804\ubb3c\uc758 \ud06c\uae30\ub3c4 35nm\uc5d0\uc11c 49nm\ub85c \uc99d\uac00\ud569\ub2c8\ub2e4. \ub098\ub178 \uce68\uc804\ubb3c\uc740 \ucf54\uc5b4-\uc258 \uad6c\uc870\ub97c \uac00\uc9c0\uba70 Y\u2082O\u2083\/TiN\uc73c\ub85c \ud655\uc778\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"642\" height=\"520\" src=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Further-microstructural-characterization-revealed.jpg\" alt=\"\" class=\"wp-image-2782\" srcset=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Further-microstructural-characterization-revealed.jpg 642w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Further-microstructural-characterization-revealed-300x243.jpg 300w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Further-microstructural-characterization-revealed-15x12.jpg 15w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Further-microstructural-characterization-revealed-600x486.jpg 600w\" sizes=\"(max-width: 642px) 100vw, 642px\" \/><\/figure>\n\n\n\n<p>\uc0c1\uc628 \uc778\uc7a5 \uc2dc\ud5d8 \uacb0\uacfc, \ubbf8\uc138 \uad6c\uc870\uac00 \uac70\uce60\uc5b4\uc84c\uc74c\uc5d0\ub3c4 \ubd88\uad6c\ud558\uace0 \uc2dc\ud3b8\uc758 \ud56d\ubcf5 \uac15\ub3c4\ub294 \uc5f4 \uc785\ub825 \uc99d\uac00 \ud6c4 37MPa\ub9cc \uac10\uc18c\ud588\uc73c\uba70 \ud30c\ub2e8 \ubaa8\ub4dc\ub294 \uc5f0\uc131\uc778 \uac83\uc73c\ub85c \ub098\ud0c0\ub0ac\uc2b5\ub2c8\ub2e4. \ud56d\ubcf5 \uac15\ub3c4\ub294 \uc8fc\ub85c \uaca9\uc790 \ub9c8\ucc30 \uc751\ub825, \uace0\uc6a9\uccb4 \uac15\ud654, \uc785\uc790 \uacbd\uacc4 \uac15\ud654, \uce68\uc804 \uac15\ud654 \ubc0f \uc804\uc704 \uac15\ud654\uc5d0 \uae30\uc778\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac15\ud654 \uba54\ucee4\ub2c8\uc998 \uc911 \uc804\uc704 \uac15\ud654\uac00 ODS-FeCrAl \uac15\ucca0\uc758 \ud56d\ubcf5 \uac15\ub3c4 \uae30\uc5ec\ub3c4\ub97c \uc9c0\ubc30\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"819\" height=\"338\" src=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory.jpg\" alt=\"\" class=\"wp-image-2783\" srcset=\"https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory.jpg 819w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory-300x124.jpg 300w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory-768x317.jpg 768w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory-18x7.jpg 18w, https:\/\/am-printing.com\/wp-content\/uploads\/2025\/09\/Metal-powder-china-factory-600x248.jpg 600w\" sizes=\"(max-width: 819px) 100vw, 819px\" \/><\/figure>\n\n\n\n<p><\/p>","protected":false},"excerpt":{"rendered":"<p>Control of oxide inclusions in ODS FeCrAl steel by LPBF parameters Heat input is correlated with melt pool geometry and oxide inclusion content. Our researchers have modified laser powder bed melting parameters to produce an ODS-FeCrAl steel free of Y-Al-O oxide inclusions from a Fe-22Cr-5.1Al-0.5Ti-0.26Y and TiO\u2082powder mixture. This research provides a feasible method for [&hellip;]<\/p>\n","protected":false},"author":4,"featured_media":2778,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2777","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2777","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/users\/4"}],"replies":[{"embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/comments?post=2777"}],"version-history":[{"count":1,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2777\/revisions"}],"predecessor-version":[{"id":2784,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2777\/revisions\/2784"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/media\/2778"}],"wp:attachment":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/media?parent=2777"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/categories?post=2777"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/tags?post=2777"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}