{"id":3405,"date":"2026-08-05T06:42:32","date_gmt":"2026-08-05T06:42:32","guid":{"rendered":"https:\/\/am-printing.com\/?p=3405"},"modified":"2026-07-23T06:49:44","modified_gmt":"2026-07-23T06:49:44","slug":"why-choose-aisi7mg-lpbf-powder-for-lightweight-metal-parts","status":"publish","type":"post","link":"https:\/\/am-printing.com\/ko\/why-choose-aisi7mg-lpbf-powder-for-lightweight-metal-parts\/","title":{"rendered":"\uacbd\ub7c9 \uae08\uc18d \ubd80\ud488 \uc81c\uc791\uc5d0 AISi7Mg LPBF \ubd84\ub9d0\uc744 \uc120\ud0dd\ud574\uc57c \ud558\ub294 \uc774\uc720\ub294 \ubb34\uc5c7\uc77c\uae4c\uc694?"},"content":{"rendered":"

\uac04\ub2e8\ud55c \ub2f5\ubcc0<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0<\/strong> \uc774 \uc81c\ud488\uc740 \uacbd\ub7c9\ud654, \uc6b0\uc218\ud55c \uc801\uce35\uc131, \uacac\uace0\ud55c \uae30\uacc4\uc801 \uc131\ub2a5 \ubc0f \uc720\uc6a9\ud55c \uc5f4\uc804\ub3c4\uc131\uc774 \uc694\uad6c\ub418\ub294 \ubd80\ud488\uc758 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \uacf5\uc815\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc54c\ub8e8\ubbf8\ub284-\uc2e4\ub9ac\ucf58-\ub9c8\uadf8\ub124\uc298 \ubd84\ub9d0\uc785\ub2c8\ub2e4. \uc774 \uc18c\uc7ac\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc774 \uc801\uce35 \uc81c\uc870\uc5d0 \uc801\ud569\ud55c \uc8fc\uc870 \uac00\ub2a5\ud55c Al-Si-Mg \ud654\ud559 \uc870\uc131\uc744 \uc6d0\ud560 \ub54c, \ud2b9\ud788 \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ube0c\ub798\ud0b7, \uc790\ub3d9\ucc28 \ud558\uc6b0\uc9d5, \uc5f4\uc804\ub2ec \ud558\ub4dc\uc6e8\uc5b4 \ubc0f \uae30\ub2a5\uc131 \uc2dc\uc81c\ud488 \uc81c\uc791\uc5d0 \uc8fc\ub85c \uc120\ud0dd\ub429\ub2c8\ub2e4. \ubb34\uac70\uc6b4 \ucca0\uacc4 \ub610\ub294 \ub2c8\ucf08 \ud569\uae08\uc5d0 \ube44\ud574, \uc774 \uc18c\uc7ac\ub294 \ub9ce\uc740 \uad6c\uc870\uc6a9 \ubc0f \uc5f4 \ubd80\ud558\uac00 \uac00\ud574\uc9c0\ub294 LPBF(\ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569) \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \ub354 \ub6f0\uc5b4\ub09c \uc911\ub7c9 \ub300\ube44 \uc131\ub2a5 \uade0\ud615\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc774\ub780 \ubb34\uc5c7\uc778\uac00\uc694?<\/h2>\n\n\n\n

\uc5c5\uacc4\uc5d0\uc11c AISi7Mg LPBF \ubd84\ub9d0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uc7ac\ub8cc \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\uc11c AlSi7Mg \ub610\ub294 AlSi7Mg0.6\uc73c\ub85c \ub354 \ud754\ud788 \ud45c\uae30\ub418\ub294 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uba85\uba85\uc0c1\uc758 \ucc28\uc774\ub294 \uba85\ud655\ud788 \ud574\ub458 \ud544\uc694\uac00 \uc788\uc2b5\ub2c8\ub2e4. \uac80\uc0c9 \uc2dc\uc5d0\ub294 \uc8fc\ub85c \u201cAISi7Mg\u201d\uac00 \uc0ac\uc6a9\ub418\ub294 \ubc18\uba74, \uacf5\uae09\uc5c5\uccb4\ub098 \ud45c\uc900 \ubb38\ud5cc\uc5d0\uc11c\ub294 \ub3d9\uc77c\ud55c \ud569\uae08 \uacc4\uc5f4\uc744 \uc9c0\uce6d\ud560 \ub54c \u201cAlSi7Mg\u201d \ud615\uc2dd\uc744 \ub354 \uc790\uc8fc \uc0ac\uc6a9\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \ud604\uc7ac \uacf5\uae09\uc5c5\uccb4 \ubb38\uc11c\ub97c \ubc14\ud0d5\uc73c\ub85c \ucd94\ub860\ud574 \ubcfc \ub54c, \ub300\uc0c1 \ud0a4\uc6cc\ub4dc\ub294 \ub2e4\uc74c \uc911 \uac00\uc7a5 \ubc00\uc811\ud558\uac8c \ub300\uc751\ud558\ub294 \uac83\uc73c\ub85c \ubcf4\uc785\ub2c8\ub2e4. AlSi7Mg0.6 \uacc4\uc5f4 \uc54c\ub8e8\ubbf8\ub284 \ubd84\ub9d0<\/strong> \ubcc4\ub3c4\uc758 \ud569\uae08 \uba85\uce6d\uc774\ub77c\uae30\ubcf4\ub2e4\ub294 \ub808\uc774\uc800 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \uacf5\uc815\uc5d0 \uc0ac\uc6a9\ub418\uae30 \uc704\ud55c \uac83\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc774 \ud569\uae08\uc740 \uacbd\ub7c9 \uacf5\ud559 \ubd80\ud488\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc5f4\ucc98\ub9ac \uac00\ub2a5 Al-Si-Mg \uacc4\uc5f4\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \uc2e4\ub9ac\ucf58\uc740 \uc8fc\uc870\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uc6b0\uc218\ud55c \uc6a9\uc735 \ud2b9\uc131\uc744 \ub4b7\ubc1b\uce68\ud558\ub294 \ubc18\uba74, \ub9c8\uadf8\ub124\uc298\uc740 \uc2dc\ud6a8 \uacbd\ud654\ub97c \uac00\ub2a5\ud558\uac8c \ud558\uace0 \uc81c\uc791 \ud6c4 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \ub370 \uae30\uc5ec\ud569\ub2c8\ub2e4. LPBF \uacf5\uc815\uc5d0\uc11c \uc774 \ud654\ud559 \uc870\uc131\uc740, \uc778\uc1c4\uac00 \ub354 \uc5b4\ub824\uc6b4 \ub9ce\uc740 \uace0\uac15\ub3c4 \ub2e8\uc870 \uc54c\ub8e8\ubbf8\ub284 \ub4f1\uae09\ubcf4\ub2e4 \uade0\uc5f4 \uc800\ud56d\uc131, \ubc00\ub3c4 \ub2ec\uc131, \uac00\uacf5\uc131 \ubc0f \uc804\ub3c4\uc131 \uac04\uc758 \uade0\ud615\uc744 \ub354 \ud6a8\uacfc\uc801\uc73c\ub85c \ub9de\ucd94\uae30 \ub54c\ubb38\uc5d0 \ub9e4\ub825\uc801\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc801\uce35 \uc81c\uc870\uc758 \uacbd\uc6b0, AISi7Mg LPBF \ubd84\ub9d0\uc740 \ucd5c\ub300 \uac15\ub3c4\ub97c \uc9c0\ub2cc \ud569\uae08\uc774\ub77c\uae30\ubcf4\ub2e4\ub294 \uae30\ub2a5\uc131 \uc124\uacc4 \ud569\uae08\uc73c\ub85c \uc774\ud574\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc801\uc808\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub4e4\uc740 \ub2e4\uc74c\uacfc \uac19\uc740 \ud544\uc694\uac00 \uc788\uc744 \ub54c \uc774 \ubd84\ub9d0\uc744 \ucc44\ud0dd\ud569\ub2c8\ub2e4. \uacbd\ub7c9\uc774\uba70, \uc5f4\ucc98\ub9ac\uac00 \uac00\ub2a5\ud558\uace0, LPBF \uacf5\uc815\uc5d0 \uc801\ud569\ud568<\/strong> \uc131\ub2a5, \ud2b9\ud788 \ud1a0\ud3f4\ub85c\uc9c0 \ucd5c\uc801\ud654, \uc587\uc740 \ubcbd, \uaca9\uc790 \ub2e8\uba74 \ub610\ub294 \ud1b5\ud569 \ub0c9\uac01 \ucc44\ub110\uc744 \uc801\uc6a9\ud55c \ud615\uc0c1\uc5d0\uc11c\ub294 \ud569\uae08\uc758 \uc808\ub300 \uac15\ub3c4\uac00 \uac15\ucca0\uc774\ub098 \ud2f0\ud0c0\ub284\uc5d0 \ube44\ud574 \ub0ae\ub2e4\ub294 \ub2e8\uc810\uc744 \uc0c1\uc1c4\ud560 \uc218 \uc788\ub2e4. \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569 \ubc0f \uad00\ub828 \uc801\uce35 \uc81c\uc870(AM) \ubc94\uc8fc\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc6a9\uc5b4\ub294 \ub2e4\uc74c\uc5d0\uc11c \ud45c\uc900\ud654\ub418\uc5b4 \uc788\ub2e4. ISO\/ASTM 52900 \uc6a9\uc5b4<\/a>. <\/p>\n\n\n\n

\"\uc2a4\ud154\ub77c\uc774\ud2b8
<\/figcaption><\/figure>\n\n\n\n

\uc54c\ub8e8\ubbf8\ub284 \uc801\uce35 \uc81c\uc870 \uc81c\ud488\uad70\uc5d0 \uc18d\ud558\ub294 AISi7Mg LPBF \ubd84\ub9d0<\/h3>\n\n\n\n

\uc54c\ub8e8\ubbf8\ub284 \uc801\uce35 \uc81c\uc870(AM) \uc6d0\ub8cc \uc911 AlSi7Mg\ub294 \uc77c\ubc18\uc801\uc73c\ub85c AlSi10Mg, A357 \ud30c\uc0dd \uc81c\ud488 \ubc0f \uc120\ubcc4\ub41c \uace0\uac15\ub3c4 \ud2b9\uc218 \uc54c\ub8e8\ubbf8\ub284 \ubd84\ub9d0\uacfc \ube44\uad50\ub429\ub2c8\ub2e4. AlSi10Mg\uc5d0 \ube44\ud574 \uc2e4\ub9ac\ucf58 \ud568\ub7c9\uc774 \ub0ae\uae30 \ub54c\ubb38\uc5d0 \uc804\uae30 \uc804\ub3c4\ub3c4\uc640 \uc5f4 \uc804\ub3c4\ub3c4\uac00 \ud5a5\uc0c1\ub420 \uc218 \uc788\uc73c\uba70, \uc591\uadf9 \uc0b0\ud654 \ucc98\ub9ac \uc131\ub2a5\ub3c4 \ub354 \uc6b0\uc218\ud560 \uc218 \uc788\ub294 \ubc18\uba74, \ub9c8\uadf8\ub124\uc298 \ud568\ub7c9\uc740 \uc801\uc808\ud55c \ud6c4\uac00\uacf5\uc744 \uac70\uce5c \ud6c4\uc5d0\ub3c4 \uacbd\uc7c1\ub825 \uc788\ub294 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \uc720\uc9c0\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c AISi7Mg LPBF \ubd84\ub9d0\uc740 \uacbd\ub7c9\ud654\uc640 \uc5f4\uc804\ub2ec\uc774 \ubaa8\ub450 \uc911\uc694\ud55c \ubd84\uc57c\uc5d0\uc11c \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

\ub514\uc790\uc774\ub108\ub4e4\uc774 \uc774 \uc54c\ub8e8\ubbf8\ub284 3D \ud504\ub9b0\ud305 \ubd84\ub9d0\uc744 \uc9c0\uc815\ud558\ub294 \uc774\uc720<\/h3>\n\n\n\n

\uc774 \ud569\uae08\uc774 \ubd84\ub9d0 \ud615\ud0dc\ub85c \uc874\uc7ac\ud558\ub294 \uc774\uc720\ub294, \ubd80\ud488\uc5d0 \ub0b4\ubd80 \ucc44\ub110\uc774 \ud544\uc694\ud558\uac70\ub098 \ubd80\ud488 \ud1b5\ud569, \ub610\ub294 \uc2e0\uc18d\ud55c \uc124\uacc4 \ubc18\ubcf5\uc774 \uc694\uad6c\ub420 \uacbd\uc6b0 \uae30\uc874\uc758 \uac00\uacf5\uc774\ub098 \uc8fc\uc870 \ubc29\uc2dd\uc73c\ub85c\ub294 \ube44\ud6a8\uc728\uc801\uc774\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. LPBF\ub97c \ud1b5\ud574 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc131\uc219\ud55c Al-Si-Mg \ud654\ud559 \uc870\uc131\uc744 \ud65c\uc6a9\ud558\uc5ec, \uc18c\ud615 \uc5f4\uad50\ud658\uae30, \uacbd\ub7c9 \uc7a5\ucc29 \uad6c\uc870\ubb3c, \uc720\uccb4 \ucc98\ub9ac \ubd80\ud488, \uc18c\ub7c9 \uc0dd\uc0b0 \ucd5c\uc885 \uc0ac\uc6a9 \ud558\ub4dc\uc6e8\uc5b4 \ub4f1 \uc774\uc804\uc5d0\ub294 \uc2e4\ud604\ud558\uae30 \uc5b4\ub824\uc6e0\ub358 \ud615\uc0c1\uc73c\ub85c \uad6c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc778\uc811\ud55c \uc18c\uc7ac\ub4e4\uacfc \ube44\uad50\ud558\ub294 \ub3c5\uc790\ub4e4\uc744 \uc704\ud574, \ub354 \uad11\ubc94\uc704\ud55c \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ubd84\ub9d0 \uc81c\ud488\uad70<\/a> \uc774 \ud654\ud569\ubb3c\uc774 \uae08\uc18d \uc801\uce35 \uc81c\uc870 \ud3ec\ud2b8\ud3f4\ub9ac\uc624 \ub0b4\uc5d0\uc11c \uc5b4\ub5a4 \uc704\uce58\ub97c \ucc28\uc9c0\ud558\ub294\uc9c0 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4.<\/p>\n\n\n\n

\n

\uc54c\ub8e8\ubbf8\ub284 LPBF\uc758 \uacbd\uc6b0, \ud569\uae08 \uc120\uc815\uc740 \ub300\uac1c \uc911\ub7c9, \uc804\ub3c4\ub3c4, \uc5f4\ucc98\ub9ac \ud6c4 \ubc18\uc751\uc131, \uadf8\ub9ac\uace0 \uade0\uc5f4 \uc5c6\uc774 \uc801\uce35\ud560 \uc218 \uc788\ub294 \ub2a5\ub825 \uc0ac\uc774\uc5d0\uc11c \uc808\ucda9\uc810\uc744 \ucc3e\ub294 \uacfc\uc815\uc785\ub2c8\ub2e4.<\/p>\n<\/blockquote>\n\n\n\n

\ud654\ud559 \uc131\ubd84<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc740 \uc54c\ub8e8\ubbf8\ub284\uc744 \uc911\uc2ec\uc73c\ub85c, \uc81c\uc870\uc0ac \ubc0f \uc0ac\uc591\uc5d0 \ub530\ub77c \uc57d 6.5~7.5 wt.%\uc758 \uc2e4\ub9ac\ucf58\uacfc \ub300\ub7b5 0.4~0.7 wt.%\uc758 \ub9c8\uadf8\ub124\uc298\uc744 \ud568\uc720\ud558\ub294 \uc881\uc740 \ud654\ud559 \uc131\ubd84 \ubc94\uc704\ub85c \uacf5\uae09\ub429\ub2c8\ub2e4. \ud604\uc7ac \uacf5\uae09\uc5c5\uccb4\uc758 \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0 \ub530\ub974\uba74, \uc774 \ud569\uae08\uc740 EN AC-42200 \ub610\ub294 A357\/AlSi7Mg0.6 \uc720\ud615\uc758 \ud654\ud559 \uc131\ubd84\uacfc \uc77c\uce58\ud558\uba70, \ub450 \uacf5\uae09\uc6d0 \ubaa8\ub450 \uc778\uc1c4\uc131\uacfc \ubd80\ud488 \ud2b9\uc131\uc744 \ubcf4\ud638\ud558\uae30 \uc704\ud574 \uc801\uc815 \uc218\uc900\uc758 \uc2e4\ub9ac\ucf58, \uc81c\uc5b4\ub41c \ub9c8\uadf8\ub124\uc298 \ud568\ub7c9, \ub0ae\uc740 \ubd88\uc21c\ubb3c \uc218\uc900\uc744 \ud2b9\uc9d5\uc73c\ub85c \ud558\ub294 \ub3d9\uc77c\ud55c \ud575\uc2ec \uc57c\uae08\ud559\uc801 \ud2b9\uc131\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc694\uc18c<\/th>\ub300\ud45c\uc801\uc778 \uad6c\uc131 (wt.%)<\/th>\uc77c\ubc18\uc801\uc778 \ubc94\uc704 \/ \ud55c\uacc4<\/th>\uc57c\uae08\ud559\uc801 \uc5ed\ud560<\/th><\/tr><\/thead>
\uc54c\ub8e8\ubbf8\ub284(Al)<\/td>\uc794\uc561<\/td>\uc794\uc561<\/td>\uc800\ubc00\ub3c4, \uc6b0\uc218\ud55c \ub0b4\uc2dd\uc131 \ubc0f \ub192\uc740 \ube44\uac15\uc131\uc744 \uac16\ucd98 \ube44\uadc0\uae08\uc18d<\/td><\/tr>
\uc2e4\ub9ac\ucf58(Si)<\/td>7.0<\/td>6.5-7.5<\/td>\uc8fc\uc870\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0, \uace0\uc628 \uade0\uc5f4 \ubc1c\uc0dd \uacbd\ud5a5\uc744 \uc904\uc774\uba70, LPBF \uacf5\uc815\uc5d0\uc11c \uc6a9\uc735\ubb3c\uc758 \uc720\ub3d9\uc131\uc744 \ucd09\uc9c4\ud569\ub2c8\ub2e4.<\/td><\/tr>
\ub9c8\uadf8\ub124\uc298(Mg)<\/td>0.6<\/td>0.4~0.7 \ub610\ub294 0.5~0.7<\/td>\uce68\uc804 \uacbd\ud654\ub97c \uc720\ub3c4\ud558\uace0, \ub178\ud654 \ucc98\ub9ac \ud6c4 \uae30\uc9c8\uc744 \uac15\ud654\ud569\ub2c8\ub2e4.<\/td><\/tr>
\ucca0(Fe)<\/td>0.10<\/td>0.10~0.15 (\ucd5c\ub300)<\/td>\uacfc\uc789 \ubd88\uc21c\ubb3c\uc740 \ucde8\uc131 \uae08\uc18d\uac04 \ud654\ud569\ubb3c\uc744 \ud615\uc131\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c \uc794\ub958 \ubd88\uc21c\ubb3c \ud568\ub7c9\uc744 \ub0ae\uac8c \uc720\uc9c0\ud55c\ub2e4<\/td><\/tr>
\uad6c\ub9ac(Cu)<\/td>0.03-0.10<\/td>0.03~0.20(\ucd5c\ub300)<\/td>\uc77c\ubc18\uc801\uc73c\ub85c \ub0b4\uc2dd\uc131\uacfc \ud654\ud559\uc801 \uc548\uc815\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uc81c\ud55c\ub429\ub2c8\ub2e4.<\/td><\/tr>
\ub9dd\uac04(Mn)<\/td>0.05<\/td>\ucd5c\ub300 0.10<\/td>\uae08\uc18d\uac04 \ud654\ud569\ubb3c \uc81c\uc5b4 \ubc0f \ud569\uae08 \uccad\uc815\ub3c4\uc5d0 \ubbf8\uce58\ub294 \ubbf8\ubbf8\ud55c \uc601\ud5a5<\/td><\/tr>
\uc544\uc5f0(Zn)<\/td>0.05<\/td>0.07~0.10 (\ucd5c\ub300)<\/td>\uae30\uacc4\uc801 \uac70\ub3d9 \ubc0f \ubd80\uc2dd \uac70\ub3d9\uc5d0\uc11c \uc6d0\uce58 \uc54a\ub294 \ubcc0\ub3d9\uc131\uc744 \ud53c\ud558\uae30 \uc704\ud574 \ub0ae\uc740 \uc218\uc900\uc73c\ub85c \uc720\uc9c0\ud568<\/td><\/tr>
\ud2f0\ud0c0\ub284(Ti)<\/td>0.10<\/td>0.04~0.20 \ub610\ub294 \ucd5c\ub300 0.18<\/td>\uc6d0\ub8cc \uc57c\uae08 \ubd84\uc57c\uc758 \uacb0\uc815\ub9bd \ubbf8\uc138\ud654 \uc9c0\uc6d0<\/td><\/tr>
\uae30\ud0c0 \/ \uc794\uc5ec\ud569\uacc4<\/td>\ucd94\uc801<\/td>\uac1c\ubcc4 \ud55c\ub3c4 \ubc0f \ucd1d \ud55c\ub3c4\uac00 \uc801\uc6a9\ub429\ub2c8\ub2e4<\/td>\uc7ac\ud604\uc131, \ubc00\ub3c4 \ubc0f \uc801\ud569\uc131 \ud3c9\uac00\uc758 \uc2e0\ub8b0\uc131\uc744 \uc720\uc9c0\ud558\uae30 \uc704\ud574 \uad00\ub9ac\ub428<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc5d0\uc11c \uc2e4\ub9ac\ucf58\uc758 \uc57c\uae08\ud559\uc801 \uc5ed\ud560<\/h3>\n\n\n\n

\uc2e4\ub9ac\ucf58 \ub355\ubd84\uc5d0 \uc774 \ud569\uae08\uc740 \ub9ce\uc740 \uace0\uac15\ub3c4 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\ubcf4\ub2e4 \ub354 \uc27d\uac8c \uc801\uce35 \uac00\uacf5\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc2e4\ub9ac\ucf58 \ud568\ub7c9\uc774 \ub0ae\uc740 \uac00\uacf5 \uc54c\ub8e8\ubbf8\ub284 \uc2dc\uc2a4\ud15c\uc5d0 \ube44\ud574 \uac00\uacf5 \ubc94\uc704\ub97c \ub113\ud788\uace0, \uc6a9\uc735 \ud480\uc758 \uc548\uc815\uc131\uc744 \ub192\uc774\uba70, \uade0\uc5f4 \ubc1c\uc0dd \uac00\ub2a5\uc131\uc744 \ub0ae\ucda5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \uc774\ub294 LPBF \uc0ac\uc6a9\uc790\ub4e4\uc774 \ud30c\ub77c\ubbf8\ud130 \uac1c\ubc1c \ub2e8\uacc4\uc5d0\uc11c \uacb0\ud568\uc774 \uc801\uc740 \uace0\ubc00\ub3c4 \ubd80\ud488\uc744 \uc81c\uc791\ud558\ub294 \ub370 \ub3c4\uc6c0\uc774 \ub429\ub2c8\ub2e4. <\/p>\n\n\n\n

AlSi7Mg0.6 \uacc4\uc5f4 AM \ubd84\ub9d0\uc5d0\uc11c \ub9c8\uadf8\ub124\uc298\uc774 \uc911\uc694\ud55c \uc774\uc720<\/h3>\n\n\n\n

\ub9c8\uadf8\ub124\uc298\uc740 \uc2e4\ub9ac\ucf58\ubcf4\ub2e4 \ud6e8\uc52c \uc801\uc740 \uc591\uc73c\ub85c \uc874\uc7ac\ud558\uc9c0\ub9cc, \ud569\uae08\uc5d0 \ub178\ud654 \uacbd\ud654 \ud2b9\uc131\uc744 \ubd80\uc5ec\ud558\uae30 \ub54c\ubb38\uc5d0 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc778\uc1c4\uac00 \uc644\ub8cc\ub41c \ud6c4, \uc751\ub825 \uc81c\uac70, \uc9c1\uc811 \ub178\ud654 \ucc98\ub9ac \ub610\ub294 T6\uc640 \uc720\uc0ac\ud55c \uc5f4\ucc98\ub9ac\ub97c \ud1b5\ud574 \uac15\ub3c4, \uc5f0\uc131, \uc804\ub3c4\ub3c4 \ubc0f \uc774\ubc29\uc131 \uac04\uc758 \uade0\ud615\uc744 \uc870\uc808\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud6c4\ucc98\ub9ac \uc720\uc5f0\uc131 \ub355\ubd84\uc5d0 AlSi7Mg0.6 \uacc4\uc5f4 \ubd84\ub9d0\uc740 \uc591\uc0b0\uae09 LPBF \ubd80\ud488 \uc81c\uc870\uc5d0 \uc5ec\uc804\ud788 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc794\ub958 \uc6d0\uc18c \ubc0f \ubd84\ub9d0 \uccad\uc815\ub3c4<\/h3>\n\n\n\n

\ubd88\uc21c\ubb3c \uc800\uac10 \uad00\ub9ac\ub294 \ub2e8\uc21c\ud788 \ud654\ud559\uc801 \ubb38\uc81c\uc77c \ubfd0\ub9cc \uc544\ub2c8\ub77c \ubd84\ub9d0 \ud488\uc9c8\uc758 \ubb38\uc81c\uc774\uae30\ub3c4 \ud569\ub2c8\ub2e4. \uc0b0\uc18c, \uc218\ubd84 \ub178\ucd9c, \uadf8\ub9ac\uace0 \ud1b5\uc81c\ub418\uc9c0 \uc54a\uc740 \uc794\ub958\ubb3c\uc740 \uc778\uc1c4\ub41c \uc801\uce35\ubb3c\uc758 \ub3c4\ud3ec\uc131, \uae30\uacf5\ub960, \uc77c\uad00\uc131\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce60 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uce21\uc815\uacfc \uad00\ub828\ub41c \ub354 \uad11\ubc94\uc704\ud55c \uacfc\uc81c\uac00 \ubc14\ub85c \uadf8 \uc774\uc720\uc774\uba70, NIST \ubd84\ub9d0 \uacc4\uce21 \ud504\ub85c\uadf8\ub7a8<\/a> \uae08\uc18d \uc801\uce35 \uc81c\uc870(AM) \uc6d0\ub8cc\uc5d0 \ub300\ud55c \uc7ac\ud604 \uac00\ub2a5\ud55c \ud2b9\uc131 \ubd84\uc11d \ubc29\ubc95\uc744 \uac15\uc870\ud55c\ub2e4. <\/p>\n\n\n\n

\ubb3c\ub9ac\uc801 \ubc0f \uae30\uacc4\uc801 \ud2b9\uc131<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud504\ub9b0\ud305 \ud6c4 \uc800\ubc00\ub3c4, \uc801\uce35 \uc81c\uc870\uc6a9 \uc54c\ub8e8\ubbf8\ub284\uc73c\ub85c\uc11c\ub294 \uc6b0\uc218\ud55c \uc5f4\uc804\ub3c4\uc728, \uadf8\ub9ac\uace0 \ub2e4\uc591\ud55c \uacbd\ub7c9 \uad6c\uc870\uc6a9 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ucda9\ubd84\ud788 \uacac\uace0\ud55c \uc778\uc7a5 \ud2b9\uc131\uc744 \uc81c\uacf5\ud558\ub294 \ub4f1 \uc720\ub9ac\ud55c \ud2b9\uc131 \uc870\ud569\uc744 \uac16\ucd94\uace0 \uc788\uc5b4 \uc8fc\ub85c \uc9c0\uc815\ub429\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc2e4\uc81c \uc218\uce58\ub294 \uc801\uce35 \ubc29\ud5a5, \uce35 \ub450\uaed8, \uc2a4\uce94 \ub9e4\uac1c\ubcc0\uc218, \uc0c1\ub300 \ubc00\ub3c4 \ubc0f \uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9c0\ubbc0\ub85c, \uc544\ub798\uc758 \uc218\uce58\ub294 \ubcf4\ud3b8\uc801\uc778 \ubcf4\uc7a5\uce58\uac00 \uc544\ub2cc \uc77c\ubc18\uc801\uc778 \uacf5\ud559\uc801 \ubc94\uc704\ub85c \uc774\ud574\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc18d\uc131<\/th>\uc77c\ubc18 \uac12<\/th>\ub2e8\uc704<\/th>\uc2dc\ud5d8 \uae30\uc900 \/ \uc870\uac74<\/th><\/tr><\/thead>
\uc774\ub860 \ubc00\ub3c4<\/td>2.67-2.68<\/td>g\/cm\u00b3<\/td>\uacf5\uae09\uc5c5\uccb4 \uc790\ub8cc\uc5d0 \ub530\ub978 \uc77c\ubc18\uc801\uc778 \ud569\uae08 \uac12<\/td><\/tr>
\uc0c1\ub300\uc801 \ubd80\ud53c \ubc00\ub3c4<\/td>>99.0 ~ >99.8<\/td>%<\/td>\uc77c\ubc18\uc801\uc778 LPBF \uc2dc\ud3b8\uc758 \ubc00\ub3c4 \ubc0f \uad11\ud559\uc801 \ud3c9\uac00<\/td><\/tr>
\ub179\ub294 \ubc94\uc704<\/td>557-613<\/td>\u00b0C<\/td>\uacf5\uae09\uc5c5\uccb4 \ub370\uc774\ud130\uc2dc\ud2b8\uc5d0 \uae30\uc7ac\ub41c \uc77c\ubc18\uc801\uc778 \ubb38\ud5cc \uae30\uc900 \ubc94\uc704<\/td><\/tr>
\uad81\uadf9\uc758 \uc778\uc7a5 \uac15\ub3c4<\/td>365-430<\/td>MPa<\/td>\uc77c\ubc18\uc801\uc778 \uc2dc\uacf5 \uc644\ub8cc \uc2dc\/\ub178\ud6c4\ud654 \uc2dc \uc218\uce58, ASTM E8M \ub610\ub294 \uc774\uc5d0 \uc0c1\uc751\ud558\ub294 \uacf5\uae09\uc5c5\uccb4 \ubcf4\uace0\uc11c<\/td><\/tr>
\ud56d\ubcf5 \uac15\ub3c4(0.2%)<\/td>211-250<\/td>MPa<\/td>\uc77c\ubc18\uc801\uc778 \uc2dc\uacf5 \ud6c4 \ub610\ub294 \uc5f4\ucc98\ub9ac \ud6c4 \uc218\uce58<\/td><\/tr>
\ud734\uc2dd \uc2dc \uc2e0\uc7a5<\/td>6-8<\/td>%<\/td>\uc77c\ubc18\uc801\uc73c\ub85c \ubcf4\uace0\ub418\ub294 \ube4c\ub4dc \uc870\uac74 \ubc94\uc704<\/td><\/tr>
\uc601\uc758 \uacc4\uc218<\/td>59-76<\/td>GPa<\/td>\uc77c\ubc18\uc801\uc778 \ubc29\ud5a5 \ubc0f \uc870\uac74\uc5d0 \ub530\ub978 \ubc94\uc704<\/td><\/tr>
\uacbd\ub3c4<\/td>112<\/td>HV10<\/td>\uc77c\ubc18\uc801\uc778 \uc2dc\uacf5 \ud6c4 \uacbd\ub3c4<\/td><\/tr>
\uc5f4 \uc804\ub3c4\uc131<\/td>120-190<\/td>W\/m-K<\/td>\uc5f4\ucc98\ub9ac \uc870\uac74\uc5d0 \ub530\ub77c \ud06c\uac8c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4.<\/td><\/tr>
\uc5f4\ud33d\ucc3d \uacc4\uc218<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 21.4<\/td>\u00b5m\/(m\u00b7\u00b0C)<\/td>\uc77c\ubc18\uc801\uc778 20~100 \u00b0C \ubc94\uc704<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uac15\ub3c4, \uc5f0\uc131 \ubc0f \uc81c\uc791 \uc0c1\ud0dc<\/h3>\n\n\n\n

\uacf5\uae09\uc5c5\uccb4 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74, AISi7Mg\ub294 \uc2dc\ub8cc\uac00 \ube44\uc5f4\ucc98\ub9ac \uc0c1\ud0dc\uc778\uc9c0, \uc751\ub825 \uc81c\uac70 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc778\uc9c0, \uc544\ub2c8\uba74 \uc9c1\uc811 \ub178\ud654 \ucc98\ub9ac\ub41c \uc0c1\ud0dc\uc5d0 \ub530\ub77c \uad11\ubc94\uc704\ud55c \uae30\uacc4\uc801 \ud2b9\uc131 \ubc94\uc704\ub97c \ubcf4\uc77c \uc218 \uc788\uc2b5\ub2c8\ub2e4. 3D Systems\uc758 \ub370\uc774\ud130\uc5d0 \ub530\ub974\uba74, \uc870\uac74\uacfc \ubc29\ud5a5\uc5d0 \ub530\ub77c \uc778\uc7a5 \uac15\ub3c4\ub294 \uc57d 390~430 MPa\ub85c \ubcf4\uace0\ub418\ub294 \ubc18\uba74, EOS\ub294 \uc790\uc0ac\uc758 A357 \ud30c\uc0dd \ub4f1\uae09\uc5d0 \ub300\ud574 \uc778\uc7a5 \uac15\ub3c4 \uc57d 365 MPa, \ud56d\ubcf5 \uac15\ub3c4 250 MPa, \uc5f0\uc2e0\uc728 6%\ub97c \uc77c\ubc18\uc801\uc778 \ubd80\ud488 \uac12\uc73c\ub85c \uc81c\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. SLM Solutions\ub294 \ube44\ub178\ud654 \uc0c1\ud0dc\uc5d0\uc11c \uc77c\ubc18\uc801\uc73c\ub85c \ub098\ud0c0\ub098\ub294 \ub354 \ub0ae\uc740 \uc81c\uc791 \ud6c4 \ud56d\ubcf5 \uac15\ub3c4 \ubc0f \uc5f0\uc2e0\uc728 \uc218\uce58\ub97c \ubcf4\uace0\ud558\uace0 \uc788\uc73c\uba70, \uc774\ub294 \uc5f4\ucc98\ub9ac\uac00 \uc124\uacc4 \ud5c8\uc6a9\uce58\ub97c \uc5bc\ub9c8\ub098 \ud06c\uac8c \ubcc0\ud654\uc2dc\ud0a4\ub294\uc9c0\ub97c \uc798 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc5f4\uc804\ub3c4\uc728\uacfc \uc911\ub7c9 \ud6a8\uc728<\/h3>\n\n\n\n

\uc774 \ud569\uae08\uc758 \uac00\uc7a5 \uc2e4\uc6a9\uc801\uc778 \uc7a5\uc810 \uc911 \ud558\ub098\ub294 \uc5f4\uc804\ub3c4\uc728 \ub300 \uc911\ub7c9 \ube44\uc728\uc785\ub2c8\ub2e4. 3D Systems\uc5d0 \ub530\ub974\uba74, \uc5f4\ucc98\ub9ac \uc804 \uc0c1\ud0dc\uc5d0\uc11c\ub294 \uc5f4\uc804\ub3c4\uc728\uc774 \ub300\ub7b5 120~140 W\/m\u00b7K \uc218\uc900\uc774\uc9c0\ub9cc, \uc751\ub825 \uc81c\uac70 \ud6c4\uc5d0\ub294 \uc57d 180~190 W\/m\u00b7K\uae4c\uc9c0 \uc0c1\uc2b9\ud558\uba70, SLM Solutions\ub294 \ubd84\ub9d0\/\uc18c\uc7ac\uc758 \uc77c\ubc18\uc801\uc778 \uc5f4\uc804\ub3c4\uc728 \uac12\uc73c\ub85c 150~170 W\/m\u00b7K\ub97c \uc81c\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub85c \uc778\ud574 AISi7Mg\ub294 \uc54c\ub8e8\ubbf8\ub284\uc758 \ub192\uc740 \ube44\uac15\ub3c4<\/strong> \uadf8\ub9ac\uace0 \uc5f4 \ud750\ub984\ub3c4 \ub3d9\uc2dc\uc5d0 \uace0\ub824\ud574\uc57c \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

\ud45c\uba74 \ub9c8\uac10 \ubc0f \ubc00\ub3c4 \uae30\uc900<\/h3>\n\n\n\n

\uc801\ud569\ud55c LPBF \ub9e4\uac1c\ubcc0\uc218 \uc138\ud2b8\ub97c \uc0ac\uc6a9\ud558\uba74 \uace0\ubc00\ub3c4 \ubd80\ud488\uc744 \uc81c\uc791\ud560 \uc218 \uc788\uc9c0\ub9cc, \ud45c\uba74 \ub9c8\uac10 \uc0c1\ud0dc\ub294 \uc5ec\uc804\ud788 \ud615\uc0c1\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. SLM Solutions\ub294 \uc790\uc0ac \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\uc11c \ubd80\ud488 \ubc00\ub3c4\uac00 99.0% \uc774\uc0c1\uc774\uba70\ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\uc11c Ra 6 \u00b5m \ubc0f Rz 45 \u00b5m \uc218\uc900\uc758 \ucd9c\uace0 \uc2dc \uac70\uce60\uae30 \uac12\uc744 \uc81c\uc2dc\ud558\uace0 \uc788\ub294 \ubc18\uba74, 3D Systems\ub294 \uc790\uc0ac\uac00 \uc815\uc758\ud55c \uac00\uacf5 \uc870\uac74 \ud558\uc5d0\uc11c 99.2% \uc774\uc0c1\uc758 \uc0c1\ub300 \ubc00\ub3c4\uc640 \uc77c\ubc18\uc801\uc73c\ub85c 99.8%\uc758 \ubc00\ub3c4\ub97c \ubcf4\uace0\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uc218\uce58\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uc6a9\ub3c4\ub85c\ub294 \ucda9\ubd84\ud558\uc9c0\ub9cc, \ubc00\ubd09\uba74, \ubca0\uc5b4\ub9c1 \uc88c\uc11d \ub610\ub294 \uc815\ubc00 \uacf5\ucc28\uac00 \uc694\uad6c\ub418\ub294 \uc811\ud569\ubd80\uc5d0\uc11c \uac00\uacf5 \uacf5\uc815\uc744 \uc0dd\ub7b5\ud560 \uc218 \uc788\uac8c \ud574\uc8fc\uc9c0\ub294 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc0ac\uc591 \ubc0f \uc81c\uacf5 \ub4f1\uae09<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc758 \uc0ac\uc591\uc740 \ub2e8\uc21c\ud788 \ud654\ud559 \uc131\ubd84 \uc815\ubcf4\uc5d0 \uadf8\uce58\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uad6c\ub9e4\uc790\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec, \uac89\ubc00\ub3c4, \ud0c0\ud551 \ubc00\ub3c4, \uc720\ub3d9\uc131, \uc0b0\uc18c \ud568\ub7c9 \ud55c\uacc4 \ubc0f \ud615\ud0dc\ub97c \ud3ec\ud568\ud55c \ud3ec\uad04\uc801\uc778 \uc785\uace0 \ubd84\ub9d0 \uc0ac\uc591 \ubc94\uc704\ub97c \uc815\uc758\ud55c \ub2e4\uc74c, \uc774\ub97c \ud2b9\uc815 \uae30\uacc4 \uacc4\uc5f4\uc5d0 \ub300\ud574 \uac80\uc99d\ub41c LPBF \ub9e4\uac1c\ubcc0\uc218 \uc138\ud2b8\uc640 \uc5f0\uacc4\ud569\ub2c8\ub2e4. \uc815\ud655\ud55c \uc2dc\ud5d8 \ubc0f \ubcf4\uace0 \ubc94\uc704\ub294 \ub2e4\uc74c\uc5d0\uc11c \uc218\uc9d1\ub41c \ud45c\uc900 \uce74\ud0c8\ub85c\uadf8 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc9c0\uc18d\uc801\uc73c\ub85c \ud655\ub300\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. ASTM \uc801\uce35 \uc81c\uc870 \ud45c\uc900 \uce74\ud0c8\ub85c\uadf8<\/a>. <\/p>\n\n\n\n

\ud559\ub144 \/ PSD \ubc18<\/th>\ub300\ud45c\uc801\uc778 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec<\/th>\uac89\ubcf4\uae30 \ubc00\ub3c4<\/th>\ud0ed \ubc00\ub3c4<\/th>\ud640 \ud750\ub984<\/th>\uc0b0\uc18c \ud568\ub7c9<\/th>\uad6c\ud615\ub3c4 \/ \ud615\ud0dc<\/th>\uc77c\ubc18\uc801\uc778 \ud45c\uc900 \uc0c1\ud638 \ucc38\uc870<\/th><\/tr><\/thead>
\uace0\ud488\uc9c8 LPBF \ub4f1\uae09<\/td>15-45 \u00b5m<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.3~1.6 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.5~1.8 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 14~20\ucd08\/50g<\/td>\uc77c\ubc18\uc801\uc73c\ub85c \u22640.15 wt.%<\/td>\uad6c\ud615\uc5d0 \uac00\uae5d\uace0 \uada4\ub3c4\uac00 \ub0ae\uc740 \uc704\uc131\uc774 \uc120\ud638\ub428<\/td>LPBF \ub0b4\ubd80 \uc0ac\uc591; \ubd84\ub9d0 \ud2b9\uc131 \ubd84\uc11d \uc2dc ASTM\/ISO \uc6d0\ub8cc \ubd84\uc11d \ubc29\ubc95\uc744 \ucc38\uc870\ud560 \uc218 \uc788\uc74c<\/td><\/tr>
\ud45c\uc900 LPBF \ub4f1\uae09<\/td>20-63 \u00b5m<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.4~1.7 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.6~1.9 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 13~19\ucd08\/50g<\/td>\uc77c\ubc18\uc801\uc73c\ub85c \u22640.15 wt.%<\/td>\uad6c\ud615 \uac00\uc2a4 \ubd84\ubb34 \ud615\ud0dc<\/td>SLM Solutions\ub294 AlSi7Mg0.6 \ubd84\ub9d0\uc758 \uc785\uc790 \ud06c\uae30\ub97c 20~63 \u00b5m\ub85c \uba85\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr>
\uad11\ubc94\uc704\ud55c \ud504\ub85c\ub355\uc158 \ub4f1\uae09<\/td>20~90 \u00b5m<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.4~1.8 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 1.7~2.0 g\/cm\u00b3<\/td>\uc77c\ubc18\uc801\uc73c\ub85c 50g\ub2f9 13~18\ucd08<\/td>\uc77c\ubc18\uc801\uc73c\ub85c \u22640.15 wt.%<\/td>\uad6c\ud615, \uae30\uacc4\ubcc4 \uc7ac\uc0ac\uc6a9 \uc804\ub7b5\uc5d0 \ub530\ub77c \ubd84\ub958\ub428<\/td>EOS\ub294 AlF357 \ubd84\ub9d0\uc758 \uc785\uc790 \ud06c\uae30\ub97c 20~90 \u00b5m\ub85c \ud45c\uae30\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr>
\uc7ac\ud65c\uc6a9 \/ \ud63c\ud569 \uad00\ub9ac\ud615 LPBF \ub4f1\uae09<\/td>\uae30\uc885\ubcc4<\/td>\ubd80\uc9c0\ubcc4<\/td>\ubd80\uc9c0\ubcc4<\/td>\ubd80\uc9c0\ubcc4<\/td>\ub354 \ucca0\uc800\ud55c \ubaa8\ub2c8\ud130\ub9c1\uc774 \ud544\uc694\ud558\ub2e4<\/td>\uc7ac\uac80\uc99d\ub41c \ud615\ud0dc\ud559\uc801 \ubc0f \ud654\ud559\uc801 \ud2b9\uc131<\/td>\uc7ac\uc0ac\uc6a9 \uc81c\ud55c\uc740 \uc0ac\uc6a9\uc790\ubcc4\ub85c \ud655\uc778\ub418\ub294 \uac83\uc774\uba70, \uc77c\ub960\uc801\uc778 \uae30\uc900\uc774 \uc544\ub2d9\ub2c8\ub2e4.<\/td><\/tr>
\ud654\ud559 \uc0c1\ud638\ucc38\uc870 \ub4f1\uae09<\/td>AlSi7Mg \/ AlSi7Mg0.6 \/ A357 \ud30c\uc0dd \ud569\uae08<\/td>PSD \uc218\uc5c5<\/td>PSD \uc218\uc5c5<\/td>PSD \uc218\uc5c5<\/td>\uad6c\ub9e4 \uc0ac\uc591\uc5d0 \ub530\ub77c<\/td>\ubd84\ubb34\ubc95\uc744 \ud1b5\ud574<\/td>\uacf5\uae09\uc5c5\uccb4 \uc790\ub8cc\uc5d0\uc11c \ud754\ud788 \ucc38\uc870\ub418\ub294 \uaddc\uaca9\uc73c\ub85c\ub294 EN AC-42200, EN AC-AlSi7Mg0.3 \ubc0f SAE AMS 4289 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc758 \uc785\ub3c4 \ubd84\ud3ec<\/h3>\n\n\n\n

\uc785\uc790 \ud06c\uae30 \ubd84\ud3ec\ub294 \uce35 \uc99d\ucc29, \ub808\uc774\uc800 \ud761\uc218 \uac70\ub3d9 \ubc0f \uc2a4\ud328\ud130 \ubbfc\uac10\ub3c4\uc5d0 \ud070 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. SLM Solutions\ub294 \uc790\uc0ac\uc758 AlSi7Mg0.6 \uc6d0\ub8cc \ubd84\ub9d0\uc758 \uc785\uc790 \ud06c\uae30\ub97c 20~63 \u00b5m\ub85c \ubcf4\uace0\ud55c \ubc18\uba74, EOS\ub294 A357\uc5d0\uc11c \ud30c\uc0dd\ub41c \ub3d9\ub4f1 \uc81c\ud488\uc778 AlF357\uc5d0 \ub300\ud574 \uc77c\ubc18\uc801\uc778 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec\ub97c 20~90 \u00b5m\ub85c \uba85\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ucc28\uc774\ub294 \ubaa8\uc21c\uc774 \uc544\ub2c8\uba70, \ubd84\ub9d0 \uc81c\uc870\uc0ac\uc640 \uc7a5\ube44 OEM \uc5c5\uccb4\ub4e4\uc774 \uc885\uc885 \uc790\uc0ac\uc758 \uc7ac\ucf54\ud305 \uc804\ub7b5 \ubc0f \ub9e4\uac1c\ubcc0\uc218 \uc124\uc815\uc5d0 \ub9de\ucdb0 \uc785\uc790 \ud06c\uae30 \ubd84\ud3ec(PSD)\ub97c \ucd5c\uc801\ud654\ud55c\ub2e4\ub294 \uc0ac\uc2e4\uc744 \ubc18\uc601\ud55c \uac83\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc720\ub3d9\uc131, \uad6c\ud615\ub3c4 \ubc0f \ubd84\ub9d0 \uc7ac\uc0ac\uc6a9<\/h3>\n\n\n\n

\uc54c\ub8e8\ubbf8\ub284 LPBF\uc758 \uacbd\uc6b0, \uc800\ubc00\ub3c4 \ubd84\ub9d0\uc740 \uace0\ubc00\ub3c4\uc758 \uac15\ucca0\uc774\ub098 \ub2c8\ucf08 \uc6d0\ub8cc\uc5d0 \ube44\ud574 \ud655\uc0b0 \ud604\uc0c1\uc5d0 \ub354 \ubbfc\uac10\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \ud615\uc0c1 \uc81c\uc5b4\uc5d0 \uc788\uc5b4 \ub9e4\uc6b0 \uc911\uc694\ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \uad6c\ud615 \ubd84\ub9d0\uc758 \ud615\ud0dc<\/strong> \ubd88\uc21c\ubb3c \ud568\ub7c9\uc774 \ub0ae\uace0, \uac89\ubcf4\uae30 \ubc00\ub3c4\uac00 \uc548\uc815\uc801\uc774\uba70, \uc7ac\uc0ac\uc6a9 \uc8fc\uae30 \uc804\ubc18\uc5d0 \uac78\uccd0 \uc0b0\uc18c \ud761\ucc29\ub7c9\uc774 \uc81c\uc5b4\ub418\ub294 \ud2b9\uc131\uc744 \uc9c0\ub2d9\ub2c8\ub2e4. NIST\uc758 \uc801\uce35 \uc81c\uc870(AM) \ubd84\ub9d0 \uc5f0\uad6c\ub294 \uc774\ub7ec\ud55c \uc6d0\ub8cc \uc9c0\ud45c\ub4e4\uc774 \ub2e8\uc21c\ud788 \uc785\uace0 \uac80\uc0ac\ubfd0\ub9cc \uc544\ub2c8\ub77c \uc7ac\ud604\uc131 \uc788\ub294 \uc0dd\uc0b0\uc744 \uc704\ud574\uc11c\ub3c4 \uc65c \uc911\uc694\ud55c\uc9c0\ub97c \uac15\uc870\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

\ud5c8\uc6a9 \uc624\ucc28 \uae30\uc900 \ubc0f \uc801\uaca9\uc131 \ud3c9\uac00 \uc2e4\ubb34<\/h3>\n\n\n\n

\ubaa8\ub4e0 AISi7Mg LPBF \uad6c\ub9e4 \uc2dc\ub098\ub9ac\uc624\ub97c \uc644\ubcbd\ud558\uac8c \uaddc\uc728\ud558\ub294 \ub2e8\uc77c\ud55c \ubc94\uc6a9 \ud569\uae08 \uc0ac\uc591\uc740 \uc874\uc7ac\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc2e4\uc81c\ub85c \ud654\ud559 \uc131\ubd84\uc740 EN AC \ub610\ub294 AMS \uaddc\uaca9\uc744 \ucc38\uc870\ud560 \uc218 \uc788\ub294 \ubc18\uba74, \ubd84\ub9d0 \ud2b9\uc131 \ubd84\uc11d, \uc801\uce35 \uc801\uaca9\uc131 \ud3c9\uac00 \ubc0f \ub370\uc774\ud130 \ubcf4\uace0\ub294 \uc801\uce35 \uc81c\uc870(AM) \uc804\uc6a9 ASTM \ubc0f ISO\/ASTM \ubb38\uc11c\ub97c \uae30\ubc18\uc73c\ub85c \ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud63c\ud569 \uc811\uadfc \ubc29\uc2dd\uc740 \uae08\uc18d LPBF\uc5d0\uc11c \ud754\ud788 \ubcfc \uc218 \uc788\ub294\ub370, \uc774\ub294 \uc6d0\ub8cc \ud488\uc9c8, \uae30\uacc4 \ud30c\ub77c\ubbf8\ud130 \ubc0f \ud6c4\ucc98\ub9ac\uac00 \ucd5c\uc885 \ubd80\ud488\uc758 \uc131\ub2a5\uacfc \ubd88\uac00\ubd84\uc758 \uad00\uacc4\uc5d0 \uc788\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc81c\uc870 \ud504\ub85c\uc138\uc2a4<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc758 \uc81c\uc870 \uacf5\uc815\uc740 \uc785\uc790\uc758 \uc6d0\ud615\ub3c4, \uc0b0\ud654\ubb3c \ud568\ub7c9, \ub85c\ud2b8 \uac04 \uc77c\uad00\uc131 \ubc0f \ub3c4\ud3ec\uc131\uc5d0 \uc9c1\uc811\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce69\ub2c8\ub2e4. \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc758 \uacbd\uc6b0, \uc54c\ub8e8\ubbf8\ub284\uc740 \ubc18\uc751\uc131\uc774 \ub9e4\uc6b0 \ub192\uace0 \uacf5\uc815 \uc81c\uc5b4\uac00 \uc18c\ud640\ud574\uc9c0\uba74 \ud45c\uba74\uc5d0 \uc0b0\ud654\ubb3c\uc774 \uc27d\uac8c \ud615\uc131\ub418\uae30 \ub54c\ubb38\uc5d0 \ubd88\ud65c\uc131 \ubd84\uc704\uae30 \ubd84\ubb34 \ubc0f \ubd84\ubb34 \ud6c4 \ucc98\ub9ac \uc808\ucc28\uac00 \ud2b9\ud788 \uc911\uc694\ud569\ub2c8\ub2e4. \uacb0\uacfc\uc801\uc73c\ub85c GA, VIGA, PREP \ubc0f \uad00\ub828 \uacf5\uc815 \uc911 \uc5b4\ub5a4 \uac83\uc744 \uc120\ud0dd\ud560\uc9c0\ub294 \ubd80\ubd84\uc801\uc73c\ub85c\ub294 \ud488\uc9c8\uc5d0 \ub300\ud55c \uacb0\uc815\uc774\uba70, \ubd80\ubd84\uc801\uc73c\ub85c\ub294 \uacbd\uc81c\uc131\uc5d0 \ub300\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\ud504\ub85c\uc138\uc2a4<\/th>\ubd84\ub9d0 \ud615\ud0dc \/ \uad6c\ud615\ub3c4<\/th>\uc0b0\uc18c \ud53d\uc5c5<\/th>PSD \uc81c\uc5b4<\/th>\ucc98\ub9ac\ub7c9<\/th>\uc0c1\ub300\uc801 \ube44\uc6a9<\/th>AISi7Mg\uc758 \ub300\ud45c\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840<\/th><\/tr><\/thead>
\uac00\uc2a4 \ubd84\ubb34(GA)<\/td>\ub9d1\uc74c, \uc77c\ubd80 \uc9c0\uc5ed\uc5d0\uc11c \uc704\uc131 \uad6c\ub984 \ubc1c\uc0dd \uac00\ub2a5<\/td>\ud658\uacbd \uc81c\uc5b4 \uc0c1\ud0dc\uc5d0 \ub530\ub77c \ub0ae\uc74c\uc5d0\uc11c \ubcf4\ud1b5 \uc218\uc900<\/td>\uc591\ud638<\/td>\ub192\uc74c<\/td>\ubcf4\ud1b5<\/td>\uc54c\ub8e8\ubbf8\ub284 LPBF \ubd84\ub9d0\uc758 \uc8fc\uc694 \uc720\ud1b5 \uacbd\ub85c<\/td><\/tr>
\uc9c4\uacf5 \uc720\ub3c4 \uac00\uc2a4 \ubd84\ubb34\ubc95 (VIGA)<\/td>\ub192\uace0 \ub300\uccb4\ub85c \ub354 \uae68\ub057\ud55c<\/td>\ub0ae\uc74c<\/td>\ub9e4\uc6b0 \uc88b\uc74c<\/td>\uc911\uac04\uc5d0\uc11c \ub192\uc74c<\/td>\ubcf4\ud1b5\uc5d0\uc11c \ub192\uc74c<\/td>\ud504\ub9ac\ubbf8\uc5c4 \ub85c\ud2b8\uc5d0 \ub300\ud55c \ud654\ud559 \uc131\ubd84 \ubc0f \uccad\uacb0\ub3c4 \uad00\ub9ac \uac15\ud654<\/td><\/tr>
\ud50c\ub77c\uc988\ub9c8 \ud68c\uc804 \uc804\uadf9 \uacf5\uc815(PREP)<\/td>\ub9e4\uc6b0 \ub192\uc740 \uad6c\ud615\ub3c4<\/td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td>\ubd84\ub958 \ud6c4 \u2018\ubcf4\ud1b5\u2019<\/td>Medium<\/td>\ub192\uc74c<\/td>Al-Si-Mg\uc758 \uacbd\uc6b0 \ud754\ud558\uc9c0\ub294 \uc54a\uc9c0\ub9cc, \ud2b9\uc774\ud55c \ud615\ud0dc\uac00 \uc6b0\uc120\uc2dc\ub418\ub294 \uacbd\uc6b0\uc5d0\ub294 \ub354 \uad00\ub828\uc131\uc774 \ub192\uc74c<\/td><\/tr>
\uc804\uadf9 \uc720\ub3c4 \uac00\uc2a4 \ubd84\ubb34\ubc95 (EIGA)<\/td>\ub9e4\uc6b0 \ub192\uc74c<\/td>\ub9e4\uc6b0 \ub0ae\uc74c<\/td>\uc88b\uc74c ~ \ub9e4\uc6b0 \uc88b\uc74c<\/td>Medium<\/td>\ub192\uc74c<\/td>\uc624\uc5fc \uc704\ud5d8\uc744 \uc904\uc778 \uace0\uc21c\ub3c4 \ub610\ub294 \ud2b9\uc218 \ud569\uae08 \uc0dd\uc0b0<\/td><\/tr>
\ubb3c \ubd84\ubb34<\/td>\ubd88\uaddc\uce59\ud55c \ubaa8\uc591\uc5d0\uc11c \ubc18\uad6c\ud615\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0<\/td>\uc0b0\ud654 \uc704\ud5d8 \uc99d\uac00<\/td>\uad11\ubc94\uc704<\/td>\ub192\uc74c<\/td>\ub0ae\uc74c<\/td>\uc77c\ubc18\uc801\uc73c\ub85c LPBF \ub4f1\uae09 AISi7Mg \ubd84\ub9d0\uc5d0\ub294 \uc801\ud569\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

\uc54c\ub8e8\ubbf8\ub284 \uc801\uce35 \uc81c\uc870\uc6a9 \ubd84\ub9d0\uc758 \uac00\uc2a4 \ubd84\ubb34\ubc95<\/h3>\n\n\n\n

\uac00\uc2a4 \ubd84\ubb34\ubc95\uc740 \ud655\uc7a5\uc131\uacfc \uc801\uc808\ud55c \uc785\uc790 \ud615\ud0dc, \ube44\uc6a9 \ud6a8\uc728\uc131\uc744 \ubaa8\ub450 \uac16\ucd94\uace0 \uc788\uc5b4 AISi7Mg LPBF \ubd84\ub9d0 \uc81c\uc870\uc5d0 \uc8fc\ub85c \uc0ac\uc6a9\ub418\ub294 \uacf5\uc815\uc785\ub2c8\ub2e4. \uc6a9\uc735 \ud569\uae08\uc740 \uace0\uc555 \ubd88\ud65c\uc131 \uac00\uc2a4\uc5d0 \uc758\ud574 \uc561\uc801 \ud615\ud0dc\ub85c \ubd84\uc0ac\ub41c \ud6c4, LPBF \uc0ac\uc6a9\uc5d0 \uc801\ud569\ud55c \ubaa9\ud45c \uc785\ub3c4 \ubd84\ud3ec(PSD) \ubc94\uc704\ub85c \uc120\ubcc4\ub429\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \uc0c1\uc6a9 Al-Si-Mg \ubd84\ub9d0\uc758 \uacbd\uc6b0, \uc774 \uacf5\uc815\uc740 \ud488\uc9c8\uacfc \uac00\uaca9\uc758 \uade0\ud615\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ub9de\ucd94\ub294 \uae30\uc900\uc774 \ub429\ub2c8\ub2e4. <\/p>\n\n\n\n

PREP, VIGA \ubc0f EIGA\uc758 \uc7a5\ub2e8\uc810<\/h3>\n\n\n\n

PREP \uacf5\uc815\uc740 \uc624\uc5fc\ub3c4\uac00 \ub0ae\uace0 \uad6c\ud615\ub3c4\uac00 \ub9e4\uc6b0 \ub192\uc740 \uc785\uc790\ub97c \uc0dd\uc0b0\ud558\uc9c0\ub9cc, \uc77c\ubc18\uc801\uc73c\ub85c \ud2f0\ud0c0\ub284\uc774\ub098 \uae30\ud0c0 \uace0\uae09 \ud569\uae08\uc5d0 \ube44\ud574 \uc8fc\ub958 Al-Si-Mg \uc6d0\ub8cc\uc758 \uacbd\uc6b0 \ube44\uc6a9\uc774 \ub354 \ube44\uc2f8\uace0 \uc0ac\uc6a9 \ube48\ub3c4\uac00 \ub0ae\uc2b5\ub2c8\ub2e4. VIGA \ubc0f EIGA \uacf5\uc815\uc740 \ud5a5\uc0c1\ub41c \uccad\uc815\ub3c4\uc640 \ub354 \uc815\ubc00\ud55c \uacf5\uc815 \uc81c\uc5b4\ub97c \uc81c\uacf5\ud560 \uc218 \uc788\uc5b4, \ucca8\ub2e8 \ud56d\uacf5\uc6b0\uc8fc \ub610\ub294 \uc804\uc790 \ubd84\uc57c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc911\uc694\ud560 \uc218 \uc788\uc73c\ub098, \uc5ec\uc804\ud788 \ub9ce\uc740 \uc0ac\uc6a9\uc790\ub4e4\uc774 \uc0dd\uc0b0\uc5d0 \uc788\uc5b4 \ud488\uc9c8\uc774 \uc6b0\uc218\ud55c GA \ubd84\ub9d0\uc744 \uc8fc\ub85c \uc0ac\uc6a9\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacf5\uc815 \ubc94\uc8fc \uc790\uccb4\ub294 \ub354 \uad11\ubc94\uc704\ud55c NIST \uc801\uce35 \uc81c\uc870 \uae30\uc220 \uac1c\uc694<\/a>, \uc774\ub294 \ud30c\uc6b0\ub354 \ubca0\ub4dc \uc735\ud569\uc744 \uc9c0\ud5a5 \uc5d0\ub108\uc9c0 \uc99d\ucc29 \ubc0f \uae30\ud0c0 \uc801\uce35 \uc81c\uc870 \ubc29\uc2dd\uacfc \uad6c\ubcc4 \uc9d3\ub294 \ud2b9\uc9d5\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\ubd84\ub9d0 \uc804\ucc98\ub9ac \ubc0f \ud3ec\uc7a5<\/h3>\n\n\n\n

\ubd84\ubb34 \uacf5\uc815 \ud6c4, \uc54c\ub8e8\ubbf8\ub284 \ubd84\ub9d0\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubd88\ud65c\uc131 \ub610\ub294 \uc81c\uc5b4\ub41c \uc870\uac74 \ud558\uc5d0\uc11c \uccb4\uc9c8, \ud63c\ud569, \uac74\uc870 \ubc0f \ubc00\ubd09 \ud3ec\uc7a5\uc744 \uac70\uce69\ub2c8\ub2e4. \uc774 \ub2e8\uacc4\ub294 \uc0ac\uc18c\ud55c \uc138\ubd80 \uc0ac\ud56d\uc774 \uc544\ub2d9\ub2c8\ub2e4. \uc785\ub3c4 \ubd84\ud3ec(PSD) \ubcf4\uc815, \uc774\ubb3c\uc9c8 \uc81c\uac70 \ubc0f \uc218\ubd84 \uad00\ub9ac\uac00 \uba85\ubaa9\uc0c1 \uc62c\ubc14\ub978 \ud569\uae08\uc774 \uc2e4\uc81c\ub85c \uae30\uacc4\uc5d0\uc11c \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 LPBF \uacf5\uae09\uc7ac\ub85c \uae30\ub2a5\ud560\uc9c0 \uc5ec\ubd80\ub97c \uacb0\uc815\ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc0b0\uc5c5\ubcc4 \uc801\uc6a9 \uc0ac\ub840<\/h2>\n\n\n\n

AISi7Mg LPBF \ubd84\ub9d0\uc740 \uacbd\ub7c9\ud654, \uc5f4 \uad00\ub9ac \ubc0f \ubcf5\uc7a1\ud55c \ud615\uc0c1\uc744 \uc911\uc2dc\ud558\ub294 \uc0b0\uc5c5 \ubd84\uc57c\uc5d0\uc11c \uac00\uc7a5 \ud070 \uac00\uce58\ub97c \ubc1c\ud718\ud569\ub2c8\ub2e4. \ud2b9\uc815 \uc628\ub3c4\uc5d0\uc11c\uc758 \ucd5c\ub300 \uac15\ub3c4\ub098 \uadf9\ud55c\uc758 \ub0b4\uc2dd\uc131\uc774 \ucd5c\uc6b0\uc120\uc73c\ub85c \uc694\uad6c\ub418\ub294 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc120\ud0dd\ub420 \uac00\ub2a5\uc131\uc774 \ub0ae\uc9c0\ub9cc, \uacbd\ub7c9 \uae08\uc18d \uc124\uacc4\uc640 \uc778\uc1c4\uc131\uc774 \ud575\uc2ec \uc81c\uc57d \uc870\uac74\uc778 \ubd84\uc57c\uc5d0\uc11c\ub294 \uc6b0\uc218\ud55c \uc131\ub2a5\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. <\/p>\n\n\n\n

\ud56d\uacf5\uc6b0\uc8fc \ubc0f \ubc29\uc704<\/h3>\n\n\n\n

\ud56d\uacf5\uc6b0\uc8fc \ubd84\uc57c\ub294 1\uadf8\ub7a8\uc758 \ubb34\uac8c \uc808\uac10\ub3c4 \uc911\uc694\ud558\uae30 \ub54c\ubb38\uc5d0 \uc774 \uae30\uc220\uc774 \uc790\uc5f0\uc2a4\ub7fd\uac8c \uc801\uc6a9\ub418\uc9c0\ub9cc, \uc5ec\uc804\ud788 \ub9ce\uc740 \ubd80\ud488\uc5d0\ub294 \uc801\uc808\ud55c \uac15\uc131, \ud53c\ub85c \ud604\uc0c1\uc744 \uace0\ub824\ud55c \uc124\uacc4, \uc608\uce21 \uac00\ub2a5\ud55c \uc5f4\ucc98\ub9ac \ubc18\uc751\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \ub300\ud45c\uc801\uc778 \uc801\uc6a9 \uc0ac\ub840\ub85c\ub294 \ube0c\ub798\ud0b7, \ud558\uc6b0\uc9d5, \ub355\ud2b8 \uc778\ud130\ud398\uc774\uc2a4, \uacc4\uae30 \uc9c0\uc9c0\ub300, \uadf8\ub9ac\uace0 \ud1b5\ud569 \ucc44\ub110\uc774 \uc788\ub294 \uc5f4\uc804\ub2ec \ubd80\ud488 \ub4f1\uc774 \uc788\uc2b5\ub2c8\ub2e4. EOS\ub294 \uc790\uc0ac\uc758 A357 \ud30c\uc0dd \uc81c\ud488\uc778 AlF357 \ubd84\ub9d0\uc758 \ub300\ud45c\uc801\uc778 \uc801\uc6a9 \uc0ac\ub840 \uc911 \ud558\ub098\ub85c \ud56d\uacf5\uc6b0\uc8fc \ubd84\uc57c\ub97c \uba85\uc2dc\uc801\uc73c\ub85c \uc5b8\uae09\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc790\ub3d9\ucc28 \ubc0f \uc804\uae30 \uc774\ub3d9\uc218\ub2e8<\/h3>\n\n\n\n

\uc790\ub3d9\ucc28 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 AISi7Mg LPBF \ubd84\ub9d0\uc744 \uc2dc\uc81c\ud488 \ud558\uc6b0\uc9d5, \uacbd\ub7c9 \uc9c0\uc9c0\ub300, \uc5f4 \uad00\ub9ac \ubd80\ud488, \ubaa8\ud130\uc2a4\ud3ec\uce20\uc6a9 \ub610\ub294 \uc18c\ub7c9 \uc0dd\uc0b0 \uace0\uc131\ub2a5 \ubd80\ud488 \uc81c\uc791\uc5d0 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 3D Systems\uc640 EOS \ubaa8\ub450 \uc774 \ud569\uae08\uc774 \uc790\ub3d9\ucc28 \uc0b0\uc5c5\uc5d0 \uc801\ud569\ud558\ub2e4\uace0 \uac15\uc870\ud558\ub294\ub370, \uc774\ub294 \uc774 \ud569\uae08\uc774 \ub0ae\uc740 \ubc00\ub3c4, \uc6b0\uc218\ud55c \uae30\uacc4\uc801 \ud2b9\uc131, \uc5f4\uc804\ub3c4\uc131\uc744 \uacb8\ube44\ud558\uace0 \uc788\ub2e4\ub294 \uc810\uacfc \uc77c\uce58\ud569\ub2c8\ub2e4. \ucd08\uae30 \ub2e8\uacc4\uc758 \ucc28\ub7c9 \uac1c\ubc1c \ud504\ub85c\uadf8\ub7a8\uc5d0\uc11c LPBF\ub294 \uc8fc\uc870 \uae08\ud615\uc774\ub098 \ub300\ub7c9 \uc0dd\uc0b0\uc6a9 \uae08\ud615\uc744 \ub3c4\uc785\ud558\ub294 \uac83\uc774 \uacbd\uc81c\uc801\uc73c\ub85c \ud0c0\ub2f9\ud574\uc9c0\uae30 \uc804 \ub2e8\uacc4\uc5d0\uc11c \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc5f4\uad50\ud658\uae30, \uacf5\uad6c \ubc0f \uc804\uc790\uae30\uae30<\/h3>\n\n\n\n

\uc774 \ud569\uae08\uc740 \ub9ce\uc740 \uad6c\uc870\uc6a9 \uc801\uce35 \uc81c\uc870(AM) \ud569\uae08\ubcf4\ub2e4 \uc5f4\uc804\ub3c4\uc728\uc774 \ud604\uc800\ud788 \uc6b0\uc218\ud558\uae30 \ub54c\ubb38\uc5d0 \uc18c\ud615 \uc5f4\uad50\ud658\uae30 \ubc0f \ub0c9\uac01 \uad00\ub828 \ud558\ub4dc\uc6e8\uc5b4\uc5d0\ub3c4 \ub9e4\uc6b0 \uc801\ud569\ud569\ub2c8\ub2e4. 3D Systems\ub294 \ud2b9\ud788 \uc5f4\uad50\ud658\uae30 \uc6a9\ub3c4\ub97c \uac15\uc870\ud558\uace0 \uc788\uc73c\uba70, AlSi10Mg\uc5d0 \ube44\ud574 \uc2e4\ub9ac\ucf58 \ud568\ub7c9\uc774 \ub0ae\uc544 \uc5f4\uc804\ub3c4\uc728\uacfc \uc591\uadf9 \uc0b0\ud654 \ucc98\ub9ac \ud488\uc9c8\uc774 \ud5a5\uc0c1\ub41c\ub2e4\uace0 \ubcf4\uace0\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c AISi7Mg\ub294 \uc5f4 \ud750\ub984\uc774 \uae30\ub2a5\uc758 \ud575\uc2ec\uc778 \uc5f4\ud310, \uc804\uc790\uae30\uae30 \uc778\ud074\ub85c\uc800 \ubc0f \uae08\ud615 \uc778\uc11c\ud2b8\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc0b0\uc5c5\uc6a9 \uc7a5\ube44 \ubc0f \uae30\ub2a5\uc131 \uc2dc\uc81c\ud488 \uc81c\uc791<\/h3>\n\n\n\n

\uc0b0\uc5c5 \ud604\uc7a5\uc5d0\uc11c\ub294 \uc2e4\uc81c\uc801\uc778 \uae30\uacc4\uc801 \ubc0f \uc5f4\uc801 \uc131\ub2a5\uc774 \ud544\uc694\ud558\uc9c0\ub9cc \ud56d\uacf5\uc6b0\uc8fc\uc6a9 \ud575\uc2ec \ud558\ub4dc\uc6e8\uc5b4\uc5d0 \uc694\uad6c\ub418\ub294 \uae4c\ub2e4\ub85c\uc6b4 \uc778\uc99d \uc808\ucc28\uc758 \ubd80\ub2f4\uc740 \ud53c\ud558\uace0 \uc2f6\uc740 \ubd80\ud488\uc5d0 AISi7Mg\uac00 \uc790\uc8fc \uc120\ud0dd\ub429\ub2c8\ub2e4. \ud38c\ud504 \ubc0f \ubc38\ube0c\uc758 \ud558\uc704 \ubd80\ud488, \uae30\uacc4 \ucee4\ubc84, \ub85c\ubd07 \uc5d4\ub4dc \uc774\ud399\ud130, \uace0\uc815\uad6c \uc694\uc18c \ub4f1\uc774 \ub300\ud45c\uc801\uc778 \uc608\uc785\ub2c8\ub2e4. \uc801\uce35 \uc81c\uc870 \ubd84\uc57c\uc5d0\uc11c \uc11c\ube44\uc2a4\ub418\ub294 \ub2e4\uc591\ud55c \uc0b0\uc5c5 \ubd84\uc57c\uc758 \uc870\ud569\uc740 \ub300\uccb4\ub85c \ub2e4\uc74c\uc5d0\uc11c \ubc18\uc601\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc0b0\uc5c5\uc6a9 \uc801\uce35 \uc81c\uc870(AM) \uc751\uc6a9 \ubd84\uc57c \uac1c\uc694<\/a>, \uc774\ub294 \ud56d\uacf5\uc6b0\uc8fc, \uc758\ub8cc, \uc804\uc790 \ubc0f \uae30\ud0c0 \uacf5\ud559 \ubd84\uc57c\ub97c \uc544\uc6b0\ub985\ub2c8\ub2e4. <\/p>\n\n\n\n

\ub300\uccb4 \uc18c\uc7ac\uc640\uc758 \ube44\uad50<\/h2>\n\n\n\n

\uc7ac\ub8cc \uc120\uc815\uc740 \uac70\uc758 \ub2e8\ub3c5\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c0\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. AISi7Mg LPBF \ubd84\ub9d0\uc744 \uace0\ub824\ud558\ub294 \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c AlSi10Mg, A357\/AlF357\uc5d0 \uc0c1\uc751\ud558\ub294 \uc7ac\ub8cc, \ud2f0\ud0c0\ub284 \ud569\uae08, \uadf8\ub9ac\uace0 \ub54c\ub85c\ub294 \uad6c\ub9ac \ud569\uae08\uacfc\ub3c4 \ube44\uad50\ud558\ub294\ub370, \uc774\ub294 \uc8fc\uc694 \ubaa9\ud45c\uac00 \uacbd\ub7c9\ud654, \uc804\ub3c4\uc131, \ub0b4\uc2dd\uc131, \ub610\ub294 \uc808\ub300 \uac15\ub3c4 \uc911 \uc5b4\ub290 \uac83\uc778\uc9c0\uc5d0 \ub530\ub77c \ub2ec\ub77c\uc9d1\ub2c8\ub2e4. <\/p>\n\n\n\n

\uc7ac\uc9c8<\/th>\ubc00\ub3c4(g\/cm\u00b3)<\/th>\uc77c\ubc18\uc801\uc778 \uccb4\ub825 \uc218\uc900<\/th>\uc5f4 \uc804\ub3c4\uc131<\/th>\ub0b4\uc2dd\uc131<\/th>\uc0c1\ub300\uc801 \ube44\uc6a9<\/th>LPBF \uc778\uc1c4 \uc801\ud569\uc131<\/th>\uac00\uc7a5 \uc801\ud569\ud55c \uc0ac\uc6a9 \uc0ac\ub840<\/th><\/tr><\/thead>
AISi7Mg LPBF \ubd84\ub9d0<\/td>2.67-2.68<\/td>\uc8fc\uc870\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08\uc758 \uacbd\uc6b0 \uc911\ub4f1\ub3c4\uc5d0\uc11c \uace0\ub18d\ub3c4<\/td>LPBF \uc54c\ub8e8\ubbf8\ub284\uc758 \ucd5c\uace0\uce58<\/td>\uc591\ud638<\/td>Medium<\/td>\uc591\ud638<\/td>\uacbd\ub7c9 \uad6c\uc870 \ubd80\ud488, \uc5f4\uc804\ub2ec \ud558\ub4dc\uc6e8\uc5b4, \ud558\uc6b0\uc9d5<\/td><\/tr>
AlSi10Mg \ubd84\ub9d0<\/td>~2.67<\/td>\ubcf4\ud1b5\uc5d0\uc11c \ub192\uc74c<\/td>\uc911\uac04 \uc218\uc900\uc774\uba70, \uc77c\ubc18\uc801\uc73c\ub85c AlSi7Mg \uacc4\uc5f4\ubcf4\ub2e4 \ub0ae\uc74c<\/td>\uc591\ud638<\/td>Medium<\/td>\uc6b0\uc218<\/td>\ubc94\uc6a9 \uc54c\ub8e8\ubbf8\ub284 LPBF \ubd80\ud488<\/td><\/tr>
A357 \/ AlF357 \ubd84\ub9d0<\/td>~2.67<\/td>\uc911\uac04\uc5d0\uc11c \ub192\uc740 \uc218\uc900, \uc5f4\ucc98\ub9ac \uac00\ub2a5<\/td>\ub192\uc74c<\/td>\uc591\ud638<\/td>\uc911\uac04\uc5d0\uc11c \ub192\uc74c<\/td>\uc591\ud638<\/td>\ud654\ud559 \uc131\ubd84\uc774 \uc720\uc0ac\ud55c \ud56d\uacf5\uc6b0\uc8fc \ubc0f \uc790\ub3d9\ucc28\uc6a9 \uc54c\ub8e8\ubbf8\ub284 \ubd80\ud488<\/td><\/tr>
Ti-6Al-4V \ubd84\ub9d0<\/td>~4.43<\/td>\ub192\uc74c<\/td>\ub0ae\uc74c<\/td>\uc6b0\uc218<\/td>\ub192\uc74c<\/td>\uc6b0\uc218<\/td>\ube44\uc6a9\uc740 \ubd80\ucc28\uc801\uc778 \uace0\ub824 \uc0ac\ud56d\uc778 \uace0\uac15\ub3c4 \uacbd\ub7c9 \ubd80\ud488<\/td><\/tr>
\uad6c\ub9ac(Cu) \uae30\ubc18 \uc801\uce35 \uc81c\uc870(AM)\uc6a9 \ubd84\ub9d0<\/td>~8.9<\/td>\uad6c\uc870\uc801\uc73c\ub85c \uacbd\ubbf8\ud558\uac70\ub098 \uc911\uac04 \uc815\ub3c4<\/td>\ub9e4\uc6b0 \ub192\uc74c<\/td>\uc591\ud638<\/td>\uc911\uac04\uc5d0\uc11c \ub192\uc74c<\/td>\ubc18\uc0ac\uc728\ub85c \uc778\ud574 \ub354 \uae4c\ub2e4\ub86d\ub2e4<\/td>\uadf9\ud55c\uc758 \uc5f4\uc804\ub3c4\ub3c4 \ub610\ub294 \uc804\uae30\uc804\ub3c4\ub3c4\uac00 \uc694\uad6c\ub418\ub294 \uc751\uc6a9 \ubd84\uc57c<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n

AISi7Mg \ub300 AlSi10Mg<\/h3>\n\n\n\n

\uc774\uac83\uc774 \uac00\uc7a5 \uc77c\ubc18\uc801\uc778 \ube44\uad50 \uc0ac\ub840\uc785\ub2c8\ub2e4. 3D Systems\uc5d0 \ub530\ub974\uba74, AlSi7Mg0.6\uc740 \uc2e4\ub9ac\ucf58 \ud568\ub7c9\uc774 \ub0ae\uc544 AlSi10Mg\uc5d0 \ube44\ud574 \uc804\uae30 \uc804\ub3c4\ub3c4\uc640 \uc5f4 \uc804\ub3c4\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc73c\uba70, \ub3d9\uc2dc\uc5d0 \ub9c8\uadf8\ub124\uc298\uc744 \uc774\uc6a9\ud55c \uac15\ud654 \ud6a8\uacfc\ub97c \ud1b5\ud574 \uc720\uc0ac\ud55c \uae30\uacc4\uc801 \uc131\ub2a5\uc744 \uc720\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc5f4 \ud750\ub984\uc774\ub098 \uc591\uadf9 \uc0b0\ud654 \ucc98\ub9ac \ud488\uc9c8\uc744 \uc6b0\uc120\uc2dc\ud558\ub294 \uc124\uacc4\uc790\ub4e4\uc740 AlSi7Mg\ub97c \uc120\ud638\ud560 \uc218 \uc788\ub294 \ubc18\uba74, \uac00\uc7a5 \ud3ed\ub113\uac8c \uac80\uc99d\ub41c \uc54c\ub8e8\ubbf8\ub284 LPBF \uc0dd\ud0dc\uacc4\ub97c \uc6d0\ud558\ub294 \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc5ec\uc804\ud788 AlSi10Mg\ub97c \uae30\ubcf8 \uc635\uc158\uc73c\ub85c \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

AISi7Mg\uc640 A357 \uc720\ub798 \ubd84\ub9d0\uc758 \ube44\uad50<\/h3>\n\n\n\n

\uc2e4\uc81c\ub85c \uc2dc\uc911\uc758 \ub9ce\uc740 \uc81c\ud488\ub4e4\uc740 AlSi7Mg0.6\uacfc A357\uc5d0\uc11c \ud30c\uc0dd\ub41c LPBF \uc18c\uc7ac\ub97c \ub9e4\uc6b0 \uc720\uc0ac\ud55c \uc18c\uc7ac\ub85c \ucde8\uae09\ud569\ub2c8\ub2e4. EOS\ub294 AlF357\uc744 A357\uc758 \ubca0\ub9b4\ub968\uc774 \ud3ec\ud568\ub418\uc9c0 \uc54a\uc740 \ud30c\uc0dd \uc81c\ud488\uc73c\ub85c \uc124\uba85\ud558\uba70, SAE AMS 4289\uc5d0 \ub530\ub978 AlSi7Mg0.6 \ud654\ud559 \uc131\ubd84\uc744 \uc900\uc218\ud55c\ub2e4\uace0 \uba85\uc2dc\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \ub54c\ubb38\uc5d0 \ub9ce\uc740 \uad6c\ub9e4\uc790\ub4e4\uc740 \uc774\ub7ec\ud55c \uc81c\ud488\ub4e4\uc744 \ub3d9\uc77c\ud55c \uae30\ub2a5\uc801 \uc120\ud0dd \ubc94\uc704\uc5d0 \uc18d\ud558\ub294 \uac83\uc73c\ub85c \uac04\uc8fc\ud569\ub2c8\ub2e4. \ucc28\uc774\uc810\uc740 \uae30\ubcf8 \ud569\uae08 \uac1c\ub150\ubcf4\ub2e4\ub294 PSD, \uae30\uacc4\uc801 \ud2b9\uc131 \ubc0f \uc5f4\ucc98\ub9ac \ub370\uc774\ud130\uc5d0\uc11c \ub354 \ub450\ub4dc\ub7ec\uc9c0\uac8c \ub098\ud0c0\ub0a9\ub2c8\ub2e4. <\/p>\n\n\n\n

AISi7Mg \ub300 \ud2f0\ud0c0\ub284 \ub610\ub294 \uad6c\ub9ac<\/h3>\n\n\n\n

\ud2f0\ud0c0\ub284\uc740 \uc808\ub300 \ube44\uac15\ub3c4, \ub0b4\uc5f4\uc131, \ub0b4\uc2dd\uc131\uc774 \ud6e8\uc52c \ub354 \ub192\uc740 \uc7ac\ub8cc\ube44\uc640 \ub0ae\uc740 \uc804\ub3c4\ub3c4\ub97c \uc0c1\uc1c4\ud560 \uc218 \uc788\uc744 \ub54c \uc120\ud0dd\ub429\ub2c8\ub2e4. \uad6c\ub9ac \uae30\ubc18 \ubd84\ub9d0\uc740 \uc815\ubc18\ub300\uc758 \uadf9\ub2e8\uc744 \ubcf4\uc5ec\uc90d\ub2c8\ub2e4. \uc5f4\uc801 \ubc0f \uc804\uae30\uc801 \uc131\ub2a5\uc740 \ud0c1\uc6d4\ud558\uc9c0\ub9cc, \ud6e8\uc52c \ubb34\uac81\uace0 \uc548\uc815\uc801\uc778 LPBF \uc0dd\uc0b0\uc131\uc744 \uc720\uc9c0\ud558\uba70 \uac00\uacf5\ud558\uae30\uac00 \ub354 \uc5b4\ub824\uc6b4 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub9e5\ub77d\uc5d0\uc11c AISi7Mg\ub294 \uc5f4\uc801 \uae30\ub2a5\uacfc \uad6c\uc870\uc801 \uacbd\ub7c9\uc131 \uc0ac\uc774\uc5d0\uc11c \uc720\uc6a9\ud55c \uc911\uac04 \uc9c0\uc810\uc744 \ucc28\uc9c0\ud569\ub2c8\ub2e4. \uc5ec\ub7ec \ud569\uae08 \uacc4\uc5f4\uc5d0 \uac78\uccd0 \ud569\uae08\uc758 \uc7a5\ub2e8\uc810\uc744 \ube44\uad50 \uac80\ud1a0\ud558\ub824\ub294 \ub3c5\uc790\ubd84\ub4e4\uc740 \ub2e4\uc74c\uc744 \ube44\uad50\ud574 \ubcfc \uc218\ub3c4 \uc788\uc2b5\ub2c8\ub2e4. \ud2f0\ud0c0\ub284 \ubd84\ub9d0 \uc81c\ud488\uad70<\/a> \uadf8\ub9ac\uace0 \uad6c\ub9ac \ud569\uae08 \ubd84\ub9d0 \uc81c\ud488\uad70<\/a> \uc804\ub3c4\ub3c4\ub098 \ube44\uac15\ub3c4\uac00 \uc124\uacc4\uc758 \uc8fc\uc694 \uacb0\uc815 \uc694\uc778\uc774 \ub420 \ub54c. <\/p>\n\n\n\n

\ub2f9\uc0ac<\/h2>\n\n\n\n

am-printing.com\uc744 \uc6b4\uc601\ud558\ub294 \uc0c1\ud558\uc774 \ud2b8\ub8e8\uc5b4 \ud14c\ud06c\ub180\ub85c\uc9c0(Shanghai Truer Technology Co., Ltd.)\ub294 2009\ub144\uc5d0 \uc124\ub9bd\ub418\uc5c8\uc73c\uba70, 2019\ub144\uc5d0 \uc801\uce35 \uc81c\uc870 \uc0ac\uc5c5\uc744 \uc2dc\uc791\ud588\uc2b5\ub2c8\ub2e4. \uacf5\uac1c\ub41c \uae30\uc5c5 \uc815\ubcf4\uc5d0 \ub530\ub974\uba74, \ud2b8\ub8e8\uc5b4(Truer)\ub294 SEBM \uc7a5\ube44, PREP \ubd84\ub9d0 \uc81c\uc870 \uc7a5\ube44, GA \uad00\ub828 \ubd84\ub9d0 \uc0dd\uc0b0, \ud2f0\ud0c0\ub284, \ub2c8\ucf08, \ucf54\ubc1c\ud2b8, \uad6c\ub9ac, \uc54c\ub8e8\ubbf8\ub284 \ubc0f \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uae30\ubc18 \uc2dc\uc2a4\ud15c\uc744 \uc544\uc6b0\ub974\ub294 \uad6c\ud615 \ubd84\ub9d0\uc740 \ubb3c\ub860, TiNi, TiTa, TiAl, TiNbZr, CoCrMo\uc640 \uac19\uc740 \ud569\uae08\uc744 \ud3ec\ud568\ud55c \uad11\ubc94\uc704\ud55c \uad6c\ud615 \ubd84\ub9d0 \ubd84\uc57c\ub97c \uc544\uc6b0\ub985\ub2c8\ub2e4. \ub610\ud55c, \uc774 \ud68c\uc0ac\uc758 \uba85\uc2dc\ub41c \uc0ac\uc5c5 \ubc94\uc704\ub294 \uc758\ub8cc, \ud56d\uacf5\uc6b0\uc8fc, \uc6d0\uc790\ub825, \uc804\uc790, \uc218\uacf5\uad6c, \uc6d0\uaca9 \uc81c\uc5b4 \ucc28\ub7c9 \ubd80\ud488 \ub4f1\uc758 \ubd84\uc57c\uc5d0\uc11c SLM, SEBM, DED, \ub808\uc774\uc800 \ud074\ub798\ub529, \ubd84\ub9d0 \uc57c\uae08, MIM, HIP, \uc2a4\ud504\ub808\uc774, \uc6a9\uc811 \ubc0f \ucf54\ud305\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uc2dc\ud5d8 \ub2e8\uacc4\ubd80\ud130 \uc644\uc81c\ud488\uc5d0 \uc774\ub974\ub294 \uacf5\uc815 \uc9c0\uc6d0\uc744 \ud3ec\ud568\ud558\uba70, \uc774\uc5d0 \ub300\ud55c \ucd94\uac00\uc801\uc778 \uae30\uc5c5 \ubc30\uacbd \uc815\ubcf4\ub294 \ud68c\uc0ac \uc18c\uac1c \ud398\uc774\uc9c0<\/a>. <\/p>\n\n\n\n

\uc790\uc8fc \ubb3b\ub294 \uc9c8\ubb38<\/h2>\n\n\n\n

Q1. AISi7Mg LPBF \ubd84\ub9d0\uc740 AlSi7Mg \ub610\ub294 AlSi7Mg0.6\uacfc \uac19\uc740 \uac83\uc785\ub2c8\uae4c?<\/strong>
\ub300\ubd80\ubd84\uc758 \uc2dc\uc7a5 \uc6a9\uc5b4\ub85c\ub294 \uadf8\ub807\uc2b5\ub2c8\ub2e4. \ud604\uc7ac \uacf5\uae09\uc5c5\uccb4\uc758 \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\uc11c\ub294 AlSi7Mg \ub610\ub294 AlSi7Mg0.6\uc774\ub77c\ub294 \uba85\uba85\ubc95\uc744 \uc0ac\uc6a9\ud558\uace0 \uc788\uc73c\ubbc0\ub85c, \u201cAISi7Mg LPBF \ubd84\ub9d0\u201d\uc740 \ubcc4\ub3c4\uc758 \ud654\ud559 \uc131\ubd84\uc744 \uac00\ub9ac\ud0a4\ub294 \uac83\uc774 \uc544\ub2c8\ub77c \ub3d9\uc77c\ud55c Al-Si-Mg \ud569\uae08 \uacc4\uc5f4\uc744 \uc9c0\uce6d\ud558\ub294 \uac80\uc0c9\uc5b4 \ubcc0\ud615\uc73c\ub85c \uc774\ud574\ud558\ub294 \uac83\uc774 \uac00\uc7a5 \uc801\uc808\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

Q2. AISi7Mg LPBF \ubd84\ub9d0\uc740 AlSi10Mg\uc640 \ube44\uad50\ud588\uc744 \ub54c \uc5b4\ub5a4 \ucc28\uc774\uac00 \uc788\ub098\uc694?<\/strong>
\uc0ac\uc6a9\uc790\uac00 AlSi10Mg\ubcf4\ub2e4 \ub2e4\uc18c \uc6b0\uc218\ud55c \uc804\ub3c4\uc131\uacfc \uc591\uadf9 \uc0b0\ud654 \ud2b9\uc131\uc744 \uc6d0\ud558\uba74\uc11c\ub3c4 \uac15\ub825\ud55c LPBF \uac00\uacf5\uc131\uc744 \uc720\uc9c0\ud558\uace0\uc790 \ud560 \ub54c \uc77c\ubc18\uc801\uc73c\ub85c AISi7Mg\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4. AlSi10Mg\uac00 \uc801\uce35 \uc81c\uc870(AM) \uc2dc\uc7a5\uc5d0\uc11c \uc5ec\uc804\ud788 \ub354 \ub110\ub9ac \uc0ac\uc6a9\ub418\uace0 \uc788\uc9c0\ub9cc, AlSi7Mg0.6 \uacc4\uc5f4 \uc18c\uc7ac\ub294 \uc5f4\uc804\ub2ec \ubd80\ud488 \ubc0f \uc77c\ubd80 \uacbd\ub7c9 \uae30\ub2a5\uc131 \ubd80\ud488\uc5d0 \ub354 \uc801\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

Q3. AISi7Mg LPBF \ubd84\ub9d0\uc758 \uc77c\ubc18\uc801\uc778 \uc785\uc790 \ud06c\uae30 \ubc94\uc704\ub294 \uc5b4\ub5bb\uac8c \ub429\ub2c8\uae4c?<\/strong>
\uc0c1\uc6a9 LPBF \ub4f1\uae09\uc740 \uc77c\ubc18\uc801\uc73c\ub85c 20~63 \u00b5m\uc640 \uac19\uc740 \ubbf8\uc138 \uad6c\ud615 \uc785\uc790 \ubd84\ud68d\uc744 \uc911\uc2ec\uc73c\ub85c \uad6c\uc131\ub418\uc9c0\ub9cc, \uc77c\ubd80 \uacf5\uae09\uc5c5\uccb4\ub294 \uc7a5\ube44 \uc804\ub7b5 \ubc0f \ubd84\ub9d0 \uad00\ub9ac \ubc29\uc2dd\uc5d0 \ub530\ub77c 20~90 \u00b5m\uc640 \uac19\uc740 \ub354 \ub113\uc740 \ubc94\uc704\uc758 \uc77c\ubc18\uc801\uc778 \uc0ac\uc591\uc744 \uc81c\uc2dc\ud558\uae30\ub3c4 \ud569\ub2c8\ub2e4. \ucd5c\uc885 \uc2b9\uc778 \uae30\uc900\uc740 \ub2e8\uc21c\ud788 \uc77c\ubc18\uc801\uc778 \ub370\uc774\ud130 \uc2dc\ud2b8\uc5d0\uc11c \uadf8\ub300\ub85c \uac00\uc838\uc624\ub294 \uac83\uc774 \uc544\ub2c8\ub77c, \uc2e4\uc81c \ud504\ub9b0\ud130 \ud50c\ub7ab\ud3fc\uacfc \uac80\uc99d\ub41c \uc7ac\ucf54\ud305 \ud2b9\uc131\uc5d0 \uadfc\uac70\ud558\uc5ec \uc124\uc815\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

Q4. AISi7Mg LPBF \ubd80\ud488\uc740 \uc801\uce35 \uc81c\uc870 \ud6c4 \uc5f4\ucc98\ub9ac\ub97c \ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong>
\ub124. \uacf5\uae09\uc5c5\uccb4 \ubb38\ud5cc\uc5d0\ub294 AlSi7Mg0.6 \uacc4\uc5f4 \uc18c\uc7ac\uc5d0 \ub300\ud55c \uc751\ub825 \uc81c\uac70, \uc9c1\uc811 \ub178\ud654 \ubc0f T6 \uc720\uc0ac \uc5f4\ucc98\ub9ac \ubc29\ubc95\uc774 \uc124\uba85\ub418\uc5b4 \uc788\uc73c\uba70, \uc774\ub7ec\ud55c \uacf5\uc815\uc740 \uc801\uc6a9\ub418\ub294 \uc8fc\uae30\uc5d0 \ub530\ub77c \ud56d\ubcf5 \uac15\ub3c4, \uc5f0\uc131 \uade0\ud615, \uc804\ub3c4\ub3c4 \ub610\ub294 \uc774\ubc29\uc131\uc744 \uac1c\uc120\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

Q5. AISi7Mg LPBF \ubd84\ub9d0\uc744 \ud1b5\ud574 \uac00\uc7a5 \ud070 \uc774\uc810\uc744 \uc5bb\ub294 \uc0b0\uc5c5 \ubd84\uc57c\ub294 \uc5b4\ub514\uc778\uac00\uc694?<\/strong>
\ud56d\uacf5\uc6b0\uc8fc, \uc790\ub3d9\ucc28, \uc5f4\uad00\ub9ac \ubc0f \uc0b0\uc5c5 \uc7a5\ube44 \ubd84\uc57c \uc0ac\uc6a9\uc790\ub4e4\uc740 \uacbd\ub7c9\uc131, \uc6b0\uc218\ud55c \uc801\uce35 \uac00\uacf5\uc131, \uadf8\ub9ac\uace0 \uc0c1\ub2f9\ud55c \uc5f4\uc804\ub3c4\uc131\uc744 \uc911\uc694\ud558\uac8c \uc5ec\uae30\uae30 \ub54c\ubb38\uc5d0 \uc774 \ud569\uae08\uc758 \uac00\uc7a5 \uc720\ub825\ud55c \uc801\uc6a9 \ub300\uc0c1\uc785\ub2c8\ub2e4. \ud2b9\ud788 \ub0b4\ubd80 \ucc44\ub110 \ud615\uc131, \ubd80\ud488 \uc77c\uccb4\ud654 \ub610\ub294 \uc18c\ub7c9 \uc0dd\uc0b0\uc774 \ud544\uc694\ud55c \uacbd\uc6b0, \uc8fc\uc870\ub098 \uae30\uacc4 \uac00\uacf5\ubcf4\ub2e4 LPBF \uacf5\uc815\uc774 \ub354 \ub9e4\ub825\uc801\uc778 \uc120\ud0dd\uc9c0\uac00 \ub418\ubbc0\ub85c \uc774 \ud569\uae08\uc740 \uc774\ub7ec\ud55c \ubd84\uc57c\uc5d0\uc11c \ud2b9\ud788 \uc720\uc6a9\ud569\ub2c8\ub2e4. <\/p>\n\n\n\n

Q6. \uc5d4\uc9c0\ub2c8\uc5b4\ub4e4\uc740 \uc5b4\ub5a4 \uacbd\uc6b0\uc5d0 AISi7Mg LPBF \ubd84\ub9d0 \uc0ac\uc6a9\uc744 \ud53c\ud574\uc57c \ud569\ub2c8\uae4c?<\/strong>
\uc791\uc5c5\uc5d0 \ucd5c\ub300\uc758 \uace0\uc628 \uac15\ub3c4, \ucd08\uace0\ub0b4\uc2dd\uc131, \ub610\ub294 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \uc218\uc900\uc744 \ud6e8\uc52c \ub6f0\uc5b4\ub118\ub294 \uc804\ub3c4\uc131\uc774 \uc694\uad6c\ub420 \ub54c\ub294 \ub300\uac1c \uc774 \uc18c\uc7ac\uac00 \uccab \ubc88\uc9f8 \uc120\ud0dd\uc9c0\uac00 \ub418\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacbd\uc6b0\uc5d0\ub294 \ube44\uc6a9, \ubc00\ub3c4, \uacf5\uc815 \uce21\uba74\uc5d0\uc11c \uac01\uae30 \ub2e4\ub978 \uc7a5\ub2e8\uc810\uc774 \uc788\ub354\ub77c\ub3c4 \ud2f0\ud0c0\ub284, \ub2c8\ucf08, \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15 \ub610\ub294 \uad6c\ub9ac \uae30\ubc18 AM \ubd84\ub9d0\uc774 \ub354 \uc801\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud2b9\uc815 \uc6a9\ub3c4\uc5d0 \ub9de\ub294 \uc18c\uc7ac \uc120\ubcc4\uc774\ub098 \ubd84\ub9d0\uc758 \uacf5\uae09 \uac00\ub2a5 \uc5ec\ubd80\ub97c \ud655\uc778\ud558\uae30 \uc704\ud574, \uc0ac\uc6a9\uc790\ub4e4\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ud569\uae08 \uac80\ud1a0 \ub2e8\uacc4\uc5d0\uc11c \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \ubb38\uc758 \ud398\uc774\uc9c0<\/a> \uae30\ud558 \uad6c\uc870, \uc18d\uc131 \ub300\uc0c1 \ubc0f \uae30\uacc4 \uc720\ud615\uc744 \uc815\uc758\ud55c \ud6c4.<\/p>","protected":false},"excerpt":{"rendered":"

Quick Answer AISi7Mg LPBF powder is an aluminum-silicon-magnesium powder used in laser powder bed fusion for parts that need low weight, good printability, solid mechanical performance, and useful thermal conductivity. It is usually chosen when engineers want a castable Al-Si-Mg chemistry adapted to additive manufacturing, especially for aerospace brackets, automotive housings, heat-transfer hardware, and functional […]<\/p>\n","protected":false},"author":5,"featured_media":3376,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-3405","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\/3405","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\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/comments?post=3405"}],"version-history":[{"count":1,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/3405\/revisions"}],"predecessor-version":[{"id":3407,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/posts\/3405\/revisions\/3407"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/media\/3376"}],"wp:attachment":[{"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/media?parent=3405"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/categories?post=3405"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/am-printing.com\/ko\/wp-json\/wp\/v2\/tags?post=3405"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}