{"id":2785,"date":"2025-09-16T08:29:27","date_gmt":"2025-09-16T08:29:27","guid":{"rendered":"https:\/\/am-printing.com\/?p=2785"},"modified":"2025-09-04T08:59:22","modified_gmt":"2025-09-04T08:59:22","slug":"laser-powder-bed-fusion-process-and-mechanical-properties-of-haynes-188-gh5188","status":"publish","type":"post","link":"https:\/\/am-printing.com\/ko\/laser-powder-bed-fusion-process-and-mechanical-properties-of-haynes-188-gh5188\/","title":{"rendered":"\ud5e4\uc778\uc988 188(GH5188)\uc758 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \uacf5\uc815 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131\u00a0"},"content":{"rendered":"

\ud5e4\uc778\uc988 188(GH5188)\uc758 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \uacf5\uc815 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131\u00a0<\/h2>\n\n\n\n

\ud5e4\uc778\uc988 188(GH5188)\uc740 \uade0\ud615 \uc7a1\ud78c \uace0\uc628 \uc131\ub2a5(\ucd5c\ub300 \uc0ac\uc6a9 \uc628\ub3c4 980\u00b0C) \ub355\ubd84\uc5d0 \uace0\ubd80\ud558 \uac00\uc2a4 \ud130\ube48 \uc5f0\uc18c\uc2e4\uc5d0 \uc0ac\uc6a9\ub429\ub2c8\ub2e4. \ub808\uc774\uc800 \ubd84\ub9d0 \ubca0\ub4dc \uc6a9\uc735(LPBF) \uacf5\ubc95\uc73c\ub85c \uc81c\uc870\ub41c \ud5e4\uc778\uc988 188\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc5d0 \ub300\ud574\uc11c\ub294 \uc544\uc9c1\uae4c\uc9c0 \ucca0\uc800\ud55c \uc5f0\uad6c\uac00 \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc558\uc2b5\ub2c8\ub2e4. \ubcf8 \uc5f0\uad6c\uc5d0\uc11c \ub2f9\uc0ac \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 LPBF \uacf5\uc815 \uac1c\ubc1c\uacfc \ud5e4\uc778\uc988 188\uc758 \uc0c1\uc628 \ubc0f \uace0\uc628\uc5d0\uc11c\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uccb4\uacc4\uc801\uc73c\ub85c \uc870\uc0ac\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

Truer Haynes 188 \ubd84\ub9d0\uc758 \ud654\ud559 \uc870\uc131:<\/strong><\/p>\n\n\n\n

\"\"
<\/figcaption><\/figure>\n\n\n\n

\uc2dc\ud3b8\uc740 \ub450 \uadf8\ub8f9\uc73c\ub85c \ub098\ub204\uc5b4 \uc778\uc1c4\ub418\uc5c8\uc2b5\ub2c8\ub2e4:<\/strong><\/p>\n\n\n\n

\uadf8\ub8f9 1\uc740 \uce58\ubc00\ud654 \ud2b9\uc131 \ud3c9\uac00 \ubc0f \uc778\uc7a5 \uc2dc\ud5d8\uc744 \uc704\ud574 20 \u00d7 12 \u00d7 10 mm\u00b3 \ud06c\uae30\uc758 \uc2dc\ud3b8 16\uac1c\ub85c \uad6c\uc131\ub418\uc5c8\ub2e4. \ud328\uc2a4 \uac04\uaca9(d)\uacfc \uce35 \ub450\uaed8(h)\ub294 \uac01\uac01 70 \u03bcm\uc640 30 \u03bcm\ub85c \uace0\uc815\ub418\uc5c8\uc73c\uba70, \ub808\uc774\uc800 \ucd9c\ub825(P)\uacfc \uc2a4\uce90\ub2dd \uc18d\ub3c4 (v)\ub294 \uac01\uac01 150~300 W \ubc0f 600~1200 mm\/s \ubc94\uc704\uc5d0\uc11c \ubcc0\ud654\uc2dc\ucf30\ub2e4.<\/p>\n\n\n\n

\ucd5c\uc801\uc758 \ub9e4\uac1c\ubcc0\uc218\ub97c \uacb0\uc815\ud55c \ud6c4, \uadf8\ub8f9 2\uc5d0\ub294 \uace0\uc628 \ud06c\ub9ac\ud504 \uc2dc\ud5d8\uc6a9 90\u00d725\u00d714 mm\u00b3 \uc2dc\ud3b8\uacfc \uc778\uc7a5 \uc2dc\ud5d8\uc6a9 35\u00d712\u00d718 mm\u00b3 \uc2dc\ud3b8\uc774 \uac01\uac01 \ud3ec\ud568\ub418\uc5c8\ub2e4.<\/p>\n\n\n\n

\uc2e4\uc628\uc5d0\uc11c\uc758 \uae30\uacc4\uc801 \ud2b9\uc131:<\/strong><\/p>\n\n\n\n

\"\"
<\/figcaption><\/figure>\n\n\n\n

\uc804\ubc18\uc801\uc73c\ub85c \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc778 \uc2dc\ud3b8\uc744 \ub300\uc0c1\uc73c\ub85c \uc774\ubc29\uc131 \ud3c9\uac00\ub97c \uc218\ud589\ud558\uc600\ub2e4. LPBF-H(\uc218\ud3c9) \ubc0f LPBF-V(\uc218\uc9c1) \ubc29\ud5a5\uc5d0\uc11c \uc0c1\ub2f9\ud55c \uae30\uacc4\uc801 \uc774\ubc29\uc131\uc774 \uad00\ucc30\ub418\uc5c8\ub294\ub370, LPBF-V \ubc29\ud5a5\uc740 \ub354 \ub192\uc740 \uac00\uc18c\uc131(\uc5f0\uc2e0\uc728 70.7%)\uc744 \ubcf4\uc600\uc73c\ub098 \uac15\ub3c4\ub294 \ub354 \ub0ae\uc558\uc2b5\ub2c8\ub2e4(YS: 650 MPa, UTS: 897 MPa)\ub97c \ub098\ud0c0\ub0c8\ub2e4.<\/p>\n\n\n\n

\ub9c8\uc774\ud06c\ub85c \uad6c\uc870:<\/strong><\/p>\n\n\n\n

\"\"
<\/figcaption><\/figure>\n\n\n\n

LPBF \uacf5\uc815 \uc911 \ubc1c\uc0dd\ud558\ub294 \uae09\uc18d \uc751\uace0\ub294 \uc5f4 \ud750\ub984 \ubc29\ud5a5\uc744 \ub530\ub77c \uacb0\uc815\ub9bd \uc131\uc7a5\uc744 \uc720\ubc1c\ud558\uc5ec \uae30\ub465\uc0c1 \ub374\ub4dc\ub77c\uc774\ud2b8 \uad6c\uc870\ub97c \ud615\uc131\ud558\uace0, \uc774\ub85c \uc778\ud574 \uc7ac\ub8cc \ud2b9\uc131\uc5d0 \ubc29\ud5a5\uc131 \ucc28\uc774\uac00 \ubc1c\uc0dd\ud558\uac8c \ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc774 \uadf8\ub9bc\uc740 \ucd5c\uc801\uc758 LPBF \ub9e4\uac1c\ubcc0\uc218 \uc870\uac74\uc5d0\uc11c \ub69c\ub837\ud55c \uc785\uc790 \ud615\ud0dc\ub97c \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc801\uce35 \ubc29\ud5a5(BD)\uacfc \ud3c9\ud589\ud55c \uc601\uc5ed\uc740 \uae30\ub465\ud615 \ud615\ud0dc\uac00 \uc8fc\ub97c \uc774\ub8e8\ub294 \ud63c\ud569 \ubbf8\uc138\uad6c\uc870\ub97c \ubcf4\uc774\uba70, \ubc0f \ubc29\ud5a5\uc758 \uc801\ub2f9\ud55c \uacb0\uc808\uc131\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\uc815\uc740 \ub192\uc740 \uc628\ub3c4 \uad6c\ubc30 \ud558\uc5d0\uc11c \uc6a9\uc735 \ud480 \uacbd\uacc4\ub97c \ub530\ub77c \uc77c\uc5b4\ub098\ub294 \uc5d0\ud53c\ud0dd\uc15c \uc131\uc7a5\uc5d0 \uae30\uc778\ud558\uba70, \uc774\uc804\uc5d0 \uc751\uace0\ub41c \uce35\uc758 \uacb0\uc815\ub9bd\uc774 \ud6c4\uc18d \uce35\uc758 \ud575\uc0dd\uc131 \ubd80\uc704 \uc5ed\ud560\uc744 \ud55c\ub2e4.<\/p>\n\n\n\n

\uace8\uc808 \ud615\ud0dc:<\/strong><\/p>\n\n\n\n

\"\"
<\/figcaption><\/figure>\n\n\n\n

\ud30c\ub2e8 \ud615\ud0dc\ub97c \ud1b5\ud574 \uc5f0\uc131 \ud30c\ub2e8 \uba54\ucee4\ub2c8\uc998\uc774 \ud655\uc778\ub418\uc5c8\uc73c\uba70, \uc774\ub294 \ub524\ud50c\uacfc \uc778\uc5f4 \ub2a5\uc120\uc774 \ud2b9\uc9d5\uc774\uace0, \uac04\ud639 \uc735\ud569\ub418\uc9c0 \uc54a\uc740 \uae30\uacf5\uc774 \uad00\ucc30\ub41c\ub2e4. \uc218\uc9c1\uc73c\ub85c \uc81c\uc791\ub41c \uc2dc\ud3b8\uc740 \uc778\uc5f4 \ub2a5\uc120\uc774 \ub354 \ud06c\uace0 \ud45c\uba74 \uc9c0\ud615\uc774 \ubd88\uaddc\uce59\ud55c\ub370, \uc774\ub294 \uac15\ub3c4\ub294 \ub0ae\uc9c0\ub9cc \uc5f0\uc2e0\uc728\uc740 \ub354 \ub192\uc74c\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc218\ud3c9\uc73c\ub85c \uc81c\uc791\ub41c \uc2dc\ud3b8\uc740 \ub354 \ubbf8\uc138\ud558\uace0 \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub41c \ub524\ud50c\uc744 \ubcf4\uc774\uba70, \uc774\ub294 \uac15\ub3c4\uac00 \ud5a5\uc0c1\ub418\uc5c8\uc74c\uc744 \uc2dc\uc0ac\ud55c\ub2e4.<\/p>\n\n\n\n

\uace0\uc628\uc5d0\uc11c\uc758 \uae30\uacc4\uc801 \ud2b9\uc131:<\/strong><\/p>\n\n\n\n

\"\"
<\/figcaption><\/figure>\n\n\n\n

\ucd5c\uc801\ud654\ub41c \ub9e4\uac1c\ubcc0\uc218\ub85c \uc81c\uc870\ub41c \uc2dc\ud3b8\uc744 \ub300\uc0c1\uc73c\ub85c \uace0\uc628 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \ud3c9\uac00\ud558\uc600\ub2e4. 650\u00b0C\uc5d0\uc11c \ud3c9\uade0 \uc720\ub3d9 \uc751\ub825 \uc8fc\ubcc0\uc5d0\uc11c \ube60\ub974\uace0 \ubbf8\uc138\ud55c \ubcc0\ub3d9\uc744 \ubcf4\uc774\ub294 B\ud615 \uc720\ub3d9 \uac70\ub3d9\uc774 \uad00\ucc30\ub418\uc5c8\ub2e4. \uc774\ub7ec\ud55c \uac70\ub3d9\uc740 \uc6a9\uc9c8 \uc6d0\uc790(Cr, Co, W)\uc5d0 \uc758\ud55c \uc804\uc774 \uacb0\ud568\uc758 \ubc18\ubcf5\uc801\uc778 \uace0\uc815 \ubc0f \ud574\uc81c \uacfc\uc815\uacfc, \uc778\uc7a5\ucd95\uc744 \ub530\ub77c \ub3c4\uc57d \ubc29\uc2dd\uc73c\ub85c \uc804\ud30c\ub418\ub294 \uad6d\uc18c \ubc34\ub4dc \ud604\uc0c1\uc5d0 \uae30\uc778\ud558\ub294 \uac83\uc73c\ub85c \ubcf4\uc778\ub2e4. <\/p>\n\n\n\n

\uc5f0\uc2e0\uc728\uc758 \ud604\uc800\ud55c \ud5a5\uc0c1(850\u00b0C\uc5d0\uc11c 75.9%)\uc740 \uc11d\ucd9c\ubb3c\uc758 \uc785\uc790 \ud06c\uae30 \uc99d\uac00 \ubc0f \uc6a9\ud574, \uadf8\ub9ac\uace0 \uc804\uc704-\uc6a9\uc9c8 \uacf5\ub3d9 \uc774\ub3d9\uc758 \uc99d\ub300\uc640 \uad00\ub828\uc774 \uc788\ub2e4.<\/p>\n\n\n\n

\uc774 \uc18c\uc7ac\ub294 980\u00b0C\uc5d0\uc11c \ub354\uc6b1 \uc5f0\ud654\ub418\uc9c0\ub9cc, \uc5ec\uc804\ud788 276 MPa\ub77c\ub294 \uc0c1\ub2f9\ud55c \ud56d\ubcf5 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\uba70, \uc774\ub294 \ub6f0\uc5b4\ub09c \uace0\uc628 \uac15\ub3c4 \uc720\uc9c0 \ub2a5\ub825\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uae30\uc874\uc758 \uc8fc\uc870 \ubc0f \ub2e8\uc870 \uacf5\uc815\uc744 \ud1b5\ud574 \uc81c\uc870\ub41c \ud5e4\uc778\uc988 188\uacfc \ube44\uad50\ud588\uc744 \ub54c, LPBF \uacf5\ubc95\uc73c\ub85c \uc81c\uc870\ub41c \ud5e4\uc778\uc988 188 \ud569\uae08\uc740 \uc804\uccb4 \uc628\ub3c4 \ubc94\uc704\uc5d0\uc11c \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \ub098\ud0c0\ub0b8\ub2e4. \uc801\uce35\ub41c \ud569\uae08\uc740 850\u00b0C\uc5d0\uc11c 438 MPa\uc758 \ud56d\ubcf5 \uac15\ub3c4\ub97c \uc720\uc9c0\ud558\uba70, \uc774\ub294 \ubb38\ud5cc\uc5d0 \ubcf4\uace0\ub41c 281 MPa\ubcf4\ub2e4 \ud604\uc800\ud788 \ub192\uc740 \uc218\uce58\ub85c, \ubbf8\uc138 \uc870\uc9c1\uc758 \uc815\ubc00\ud55c \uc81c\uc5b4 \ub355\ubd84\uc73c\ub85c \uc5ec\uaca8\uc9d1\ub2c8\ub2e4.<\/p>\n\n\n\n

\uacb0\ub860:<\/strong><\/p>\n\n\n\n

Haynes 188\uc758 LPBF \ubd80\ud488\uc740 \ud56d\ubcf5 \uac15\ub3c4 756 MPa, \uc778\uc7a5 \uac15\ub3c4 1067 MPa, \uc5f0\uc2e0\uc728 60.2%\ub97c \uae30\ub85d\ud558\uba70 \uc2e4\uc628\uc5d0\uc11c \uc6b0\uc218\ud55c \ubb3c\uc131\uc744 \ub098\ud0c0\ub0c8\ub2e4.<\/p>\n\n\n\n

Haynes 188\uc758 LPBF \uc2dc\ud3b8\uc740 \uace0\uc628\uc5d0\uc11c \ub6f0\uc5b4\ub09c \uae30\uacc4\uc801 \uc548\uc815\uc131(750\u00b0C\uc5d0\uc11c 1.04\u00d710\u207b\u2074 s\u207b\u00b9\uc758 \uc815\uc0c1\ud0dc \ud06c\ub9ac\ud504 \uc18d\ub3c4)\uacfc \uac15\ub3c4(980\u00b0C\uc5d0\uc11c 276 MPa\uc758 \ud56d\ubcf5 \uac15\ub3c4)\ub97c \uc720\uc9c0\ud588\ub2e4.<\/p>\n\n\n\n

<\/p>","protected":false},"excerpt":{"rendered":"

Laser powder bed fusion process and mechanical properties of Haynes 188 (GH5188)\u00a0 Haynes 188 (GH5188) is used in heavy-duty gas turbine combustors due to its balanced high-temperature performance (maximum service temperature 980\u00b0C). The mechanical properties of Haynes 188 produced by laser powder bed fusion (LPBF) have not been thoroughly studied. In this study, our engineers […]<\/p>\n","protected":false},"author":4,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-2785","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"blocksy_meta":[],"_links":{"self":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2785","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=2785"}],"version-history":[{"count":2,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2785\/revisions"}],"predecessor-version":[{"id":2794,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/2785\/revisions\/2794"}],"wp:attachment":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/media?parent=2785"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/categories?post=2785"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/tags?post=2785"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}