{"id":3814,"date":"2021-03-25T12:10:27","date_gmt":"2021-03-25T12:10:27","guid":{"rendered":"https:\/\/www.wldsteel.com\/?p=3814"},"modified":"2021-03-25T12:17:25","modified_gmt":"2021-03-25T12:17:25","slug":"how-to-improve-the-strength-of-steel","status":"publish","type":"post","link":"https:\/\/www.wldsteel.com\/ko\/%ea%b0%95%ec%b2%a0%ec%9d%98-%ea%b0%95%eb%8f%84%eb%a5%bc-%ed%96%a5%ec%83%81%ec%8b%9c%ed%82%a4%eb%8a%94-%eb%b0%a9%eb%b2%95\/","title":{"rendered":"\uac15\ucca0\uc758 \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc740 \ubb34\uc5c7\uc778\uac00\uc694?"},"content":{"rendered":"

\uac15\ucca0\uc758 \uac15\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc778\uc7a5 \uac15\ub3c4, \uad7d\ud798 \uac15\ub3c4 \ubc0f \uc555\ucd95 \uac15\ub3c4\ub97c \ud3ec\ud568\ud558\ub294 \uc678\ub825\uc758 \uc791\uc6a9\uc5d0 \ub530\ub978 \uae08\uc18d \uc7ac\ub8cc\uc758 \ubcc0\ud615 \ubc0f \ud30c\ub2e8 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uac15\ucca0\uc774 \uc678\ub825\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \uac15\ud560\uc218\ub85d \uac15\ucca0\uc740 \ub354 \uac15\ud574\uc9d1\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uac15\ucca0\uc758 \uac15\ub3c4\ub294 \uc5b4\ub5bb\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc744\uae4c\uc694?<\/p>\n\n\n\n

S<\/strong>olution <\/strong>S<\/strong>\ub298\ub9ac\uae30<\/strong><\/strong><\/h3>\n\n\n\n

\ub9e4\ud2b8\ub9ad\uc2a4 \uae08\uc18d\uc758 \ud569\uae08 \uc6d0\uc18c \uace0\uc6a9\uccb4\ub294 \ud2b9\uc815 \uaca9\uc790 \uc65c\uace1\uc744 \uc77c\uc73c\ud0a4\uace0 \ud569\uae08\uc758 \uac15\ub3c4\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. \uaca9\uc790 \uc65c\uace1\uc740 \uc804\uc704 \uc6b4\ub3d9\uc758 \uc800\ud56d\uc744 \uc99d\uac00\uc2dc\ud0a4\uace0 \ubbf8\ub044\ub7ec\uc9d0\uc744 \uc5b4\ub835\uac8c \ub9cc\ub4e4\uc5b4 \ud569\uae08 \uace0\uc6a9\uccb4\uc758 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub97c \uc99d\uac00\uc2dc\ud0b5\ub2c8\ub2e4. \uae08\uc18d\uc774 \uc6a9\uc9c8 \uc6d0\uc18c\uc5d0 \uc6a9\ud574\ub418\uc5b4 \uace0\uc6a9\uccb4\ub97c \ud615\uc131\ud568\uc73c\ub85c\uc368 \uae08\uc18d\uc744 \uac15\ud654\ud558\ub294 \uc774\ub7ec\ud55c \ud604\uc0c1\uc744 \uace0\uc6a9\uccb4 \uac15\ud654\ub77c\uace0 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc6a9\uc9c8 \uc6d0\uc790\uc758 \ub18d\ub3c4\uac00 \uc801\uc808\ud558\uba74 \uc7ac\ub8cc\uc758 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub294 \uc99d\uac00\ud558\uc9c0\ub9cc \uc778\uc131 \ubc0f \uac00\uc18c\uc131\uc740 \uac10\uc18c\ud569\ub2c8\ub2e4. \uc6a9\uc9c8 \uc6d0\uc790\uc758 \uc6d0\uc790 \ubd84\uc728\uc774 \ub192\uc744\uc218\ub85d \uc6a9\uc9c8 \uc6d0\uc790\uc640 \ubaa8\uc7ac \uae08\uc18d \uc0ac\uc774\uc758 \uc6d0\uc790 \ud06c\uae30 \ucc28\uc774\uac00 \ucee4\uc9c0\uace0 \uac15\ud654\uac00 \ub354 \uac15\ud574\uc9d1\ub2c8\ub2e4. <\/p>\n\n\n\n

\uac04\uadf9 \uc6a9\uc9c8 \uc6d0\uc790\ub294 \uce58\ud658 \uc6d0\uc790\ubcf4\ub2e4 \uc6a9\uc561 \uac15\ud654 \ud6a8\uacfc\uac00 \ub354 \ud06c\uace0, \uba74 \uc911\uc2ec \uc785\ubc29 \uacb0\uc815\uc5d0\uc11c \uac04\uadf9 \uc6d0\uc790\uc758 \uaca9\uc790 \uc65c\uace1\uc774 \ube44\ub300\uce6d\uc774\uae30 \ub54c\ubb38\uc5d0 \uac04\uadf9 \uc6d0\uc790\uc758 \uac15\ud654 \ud6a8\uacfc\ub294 \uba74 \uc911\uc2ec \uc785\ubc29 \uacb0\uc815\ubcf4\ub2e4 \ud07d\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uac04\uadf9 \uc6d0\uc790\uc758 \uace0\uccb4 \uc6a9\ud574\ub3c4\ub294 \ub9e4\uc6b0 \uc81c\ud55c\uc801\uc774\uba70 \uc2e4\uc81c \uac15\ud654 \ud6a8\uacfc\ub3c4 \uc81c\ud55c\uc801\uc785\ub2c8\ub2e4. \uc6a9\uc9c8 \uc6d0\uc790\uc640 \uae30\ud310 \uae08\uc18d \uc0ac\uc774\uc758 \uc6d0\uc790\uac00 \uc804\uc790 \uc218\uc758 \ucc28\uc774\uac00 \ud074\uc218\ub85d \uc6a9\uc561 \uac15\ud654\uac00 \ub354 \ubd84\uba85\ud574\uc9c0\uba70, \uc989 \uc6d0\uc790\uac00 \uc804\uc790 \ub18d\ub3c4\uac00 \uc99d\uac00\ud568\uc5d0 \ub530\ub77c \uace0\uc6a9\uccb4\uc758 \ud56d\ubcf5 \uac15\ub3c4\uac00 \uc99d\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\uc791\uc5c5 \uac15\ud654<\/strong><\/h3>\n\n\n\n

\ub0c9\uac04 \ubcc0\ud615\uc774 \uc99d\uac00\ud558\uba74 \uae08\uc18d \uc7ac\ub8cc\uc758 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub294 \uc99d\uac00\ud558\uc9c0\ub9cc \uac00\uc18c\uc131\uacfc \uc778\uc131\uc740 \uac10\uc18c\ud569\ub2c8\ub2e4. \ub0c9\uac04 \uac00\uacf5 \uacbd\ud654\ub294 \uc7ac\uacb0\uc815 \uc628\ub3c4 \uc774\ud558\uc758 \uc18c\uc131 \ubcc0\ud615 \uc911\uc5d0 \uae08\uc18d \uc7ac\ub8cc\uc758 \uac15\ub3c4\uc640 \uacbd\ub3c4\ub294 \uc99d\uac00\ud558\uace0 \uac00\uc18c\uc131\uacfc \uc778\uc131\uc740 \uac10\uc18c\ud558\ub294 \ud604\uc0c1\uc785\ub2c8\ub2e4. \uc18c\uc131 \ubcc0\ud615, \uc785\uc790 \ubbf8\ub044\ub7ec\uc9d0, \uc804\uc704\uc758 \uae08\uc18d\uc740 \uc785\uc790 \uc2e0\uc7a5, \ud30c\ud3b8\ud654 \ubc0f \uc12c\uc720\ud654, \uae08\uc18d \ub0b4\ubd80 \uc794\ub958 \uc751\ub825\uc744 \uc720\ubc1c\ud558\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4. \uac00\uacf5 \uacbd\ud654\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uac00\uacf5 \ud6c4\uc640 \uac00\uacf5 \uc804 \ud45c\uba74\uce35\uc758 \ubbf8\uc138 \uacbd\ub3c4\uc640 \uacbd\ud654 \uce35\uc758 \uae4a\uc774\uc758 \ube44\uc728\ub85c \ud45c\ud604\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n

\uac00\uacf5 \uacbd\ud654\ub294 \uc800\ud0c4\uc18c\uac15\uc758 \uc808\uc0ad \uc131\ub2a5\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uace0 \uce69\uc744 \uc27d\uac8c \ubd84\ub9ac \ud560 \uc218 \uc788\uc9c0\ub9cc \uae08\uc18d \ubd80\ud488\uc758 \ucd94\uac00 \uac00\uacf5\uc5d0 \uc5b4\ub824\uc6c0\uc744 \uac00\uc838\uc635\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \ub0c9\uac04 \uc555\uc5f0 \uac15\ud310\uacfc \ub0c9\uac04 \uc778\ubc1c \uac15\uc120 \uacfc\uc815\uc5d0\uc11c \uc778\ubc1c \uc5d0\ub108\uc9c0 \uc18c\ube44\uac00 \uc99d\uac00\ud558\uace0 \uc2ec\uc9c0\uc5b4 \ud30c\uc190\ub418\uae30 \ub54c\ubb38\uc5d0 \uc791\uc5c5 \uacbd\ud654\ub97c \uc81c\uac70\ud558\uae30 \uc704\ud574 \uc911\uac04 \uc5b4\ub2d0\ub9c1\uc744 \uac70\uccd0\uc57c\ud569\ub2c8\ub2e4. \uc808\uc0ad \uacf5\uc815\uc5d0\uc11c \uacf5\uc791\ubb3c \ud45c\uba74\uc744 \ubd80\uc11c\uc9c0\uae30 \uc27d\uace0 \ub2e8\ub2e8\ud558\uac8c \ub9cc\ub4e4\uace0 \uc808\uc0ad\ub825\uc744 \ub192\uc774\uace0 \uacf5\uad6c \ub9c8\ubaa8 \ub4f1\uc744 \uac00\uc18d\ud654\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud2b9\ud788 \uc5f4\ucc98\ub9ac\ub85c \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc5c6\ub294 \uc21c\uc218 \uae08\uc18d \ubc0f \uc77c\ubd80 \ud569\uae08\uc758 \uacbd\uc6b0 \uac15\ucca0\uc758 \uac15\ub3c4, \uacbd\ub3c4 \ubc0f \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \ub0c9\uac04 \uc778\ubc1c \uace0\uac15\ub3c4 \uac15\uc120 \ubc0f \ub0c9\uac04 \ucf54\uc77c \uc2a4\ud504\ub9c1\uacfc \uac19\uc740 \ub0c9\uac04 \uac00\uacf5 \ubcc0\ud615\uc744 \uc0ac\uc6a9\ud558\uc5ec \uac15\ub3c4\uc640 \ud0c4\uc131 \ud55c\uacc4\ub97c \uac1c\uc120\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ud0f1\ud06c, \ud2b8\ub799\ud130 \ubc0f \ucca0\ub3c4\uc758 \uc120\ub85c\ub294 \ub610\ud55c \uacbd\ub3c4\uc640 \ub0b4\ub9c8\ubaa8\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\uae30 \uc704\ud574 \uc791\uc5c5 \uacbd\ud654\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ubbf8\uc138 \uc785\uc790 \uac15\ud654<\/strong><\/h3>\n\n\n\n

\uc785\uc790\ub97c \uc815\uc81c\ud558\uc5ec \uae08\uc18d\uc758 \uae30\uacc4\uc801 \ud2b9\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \ubc29\ubc95\uc744 \ubbf8\uc138 \uc785\uc790 \uac15\ud654\ub77c\uace0 \ud569\ub2c8\ub2e4. \uae08\uc18d\uc740 \ub9ce\uc740 \uacb0\uc815\ub9bd\uc73c\ub85c \uc774\ub8e8\uc5b4\uc9c4 \ub2e4\uacb0\uc815\uc774\uba70, \uacb0\uc815\ub9bd\uc758 \ud06c\uae30\ub294 \ub2e8\uc704 \ubd80\ud53c\ub2f9 \uacb0\uc815\ub9bd\uc758 \uac1c\uc218\ub85c \ud45c\ud604\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc22b\uc790\uac00 \ub9ce\uc744\uc218\ub85d \uc785\uc790\uac00 \ub354 \ubbf8\uc138\ud569\ub2c8\ub2e4. \uc2e4\ud5d8\uc5d0 \ub530\ub974\uba74 \ubbf8\uc138 \uc785\uc790 \uae08\uc18d\uc740 \uc0c1\uc628\uc5d0\uc11c \uac70\uce5c \uc785\uc790 \uae08\uc18d\ubcf4\ub2e4 \uac15\ub3c4, \uacbd\ub3c4, \uac00\uc18c\uc131 \ubc0f \uc778\uc131\uc774 \ub354 \ub192\uc2b5\ub2c8\ub2e4. \uc774\ub294 \uc678\ub825\uc5d0 \uc758\ud574 \uc18c\uc131 \ubcc0\ud615\uc774 \ubc1c\uc0dd\ud560 \ub54c \ubbf8\uc138 \uc785\uc790\uac00 \ub354 \ub9ce\uc740 \uc785\uc790\ub85c \ubd84\uc0b0\ub418\uc5b4 \uc18c\uc131 \ubcc0\ud615\uc774 \ub354 \uade0\uc77c\ud558\uace0 \uc751\ub825 \uc9d1\uc911\uc774 \uc791\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

\ub610\ud55c \uc785\uc790\uac00 \ubbf8\uc138\ud560\uc218\ub85d \uc785\uc790 \uacbd\uacc4 \uba74\uc801\uc774 \ub113\uc5b4\uc9c0\uace0 \uc785\uc790 \uacbd\uacc4\uac00 \uad6c\ubd88\uad6c\ubd88\ud560\uc218\ub85d \uade0\uc5f4 \uc804\ud30c\uc5d0 \ubd88\ub9ac\ud55c \uc870\uac74\uc774 \ub429\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc785\uc790\ub97c \uc815\uc81c\ud558\uc5ec \uc7ac\ub8cc \uac15\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0a4\ub294 \uc0b0\uc5c5\uc801 \ubc29\ubc95\uc744 \ubbf8\uc138 \uc785\uc790 \uac15\ud654\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc785\uc790 \uacbd\uacc4\uac00 \ub9ce\uc744\uc218\ub85d \uc751\ub825 \uc9d1\uc911\uc774 \uc791\uc544\uc9c0\uace0 \uc7ac\ub8cc\uc758 \ud56d\ubcf5 \uac15\ub3c4\uac00 \ub192\uc544\uc9d1\ub2c8\ub2e4. \uc785\uc790\ub97c \uc815\uc81c\ud558\ub294 \ubc29\ubc95\uc5d0\ub294 \uacfc\ub0c9\uac01 \uc815\ub3c4\ub97c \ub192\uc774\ub294 \ubc29\ubc95\uc774 \uc788\uc2b5\ub2c8\ub2e4;<\/p>\n\n\n\n

\ubcc0\ud0dc\uc801 \uce58\ub8cc;<\/p>\n\n\n\n

\uc9c4\ub3d9 \ubc0f \ud754\ub4e4\ub9bc;<\/p>\n\n\n\n

\ub0c9\uac04 \ubcc0\ud615\ub41c \uae08\uc18d\uc740 \ubcc0\ud615 \uc815\ub3c4\uc640 \uc5b4\ub2d0\ub9c1 \uc628\ub3c4\ub97c \uc81c\uc5b4\ud558\uc5ec \uc815\uc81c\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

2\ub2e8\uacc4 \uac15\ud654<\/strong><\/h3>\n\n\n\n

\ub2e8\uc0c1 \ud569\uae08\uc5d0 \ube44\ud574 \ub2e4\uc0c1 \ud569\uae08\uc5d0\ub294 \ub9e4\ud2b8\ub9ad\uc2a4 \uc0c1 \uc678\uc5d0\ub3c4 \ub450 \ubc88\uc9f8 \uc0c1\uc774 \uc874\uc7ac\ud569\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \uc0c1\uc774 \ub9e4\ud2b8\ub9ad\uc2a4 \uc0c1\uc5d0 \ubbf8\uc138\ud558\uac8c \ubd84\uc0b0\ub41c \uc785\uc790\ub85c \uade0\uc77c\ud558\uac8c \ubd84\ud3ec\ub418\uc5b4 \uc788\uc73c\uba74 \uac15\ud654 \ud6a8\uacfc\uac00 \ucee4\uc9d1\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uac15\ud654\ub97c 2\uc0c1 \uac15\ud654\ub77c\uace0 \ud569\ub2c8\ub2e4. \uc804\uc704 \uc6b4\ub3d9\uc758 \uacbd\uc6b0 \ud569\uae08\uc758 \ub450 \ubc88\uc9f8 \ub2e8\uacc4\uc5d0\ub294 \ub2e4\uc74c \ub450 \uac00\uc9c0 \uc870\uac74\uc774 \uc788\uc2b5\ub2c8\ub2e4. (1) \ubcc0\ud615 \ubd88\uac00\ub2a5\ud55c \uc785\uc790\uc5d0 \uc758\ud55c \ubcf4\uac15 (\uc6b0\ud68c \uba54\ucee4\ub2c8\uc998). (2) \ubcc0\ud615 \uac00\ub2a5\ud55c \uc785\uc790\uc758 \uac15\ud654 \ud6a8\uacfc(\uc808\ub2e8 \uba54\ucee4\ub2c8\uc998).<\/p>\n\n\n\n

\ubd84\uc0b0 \uac15\ud654\uc640 \uac15\uc218\ub7c9 \uac15\ud654\ub294 \ubaa8\ub450 2\uc0c1 \uac15\ud654\uc758 \ud2b9\uc218\ud55c \uacbd\uc6b0\uc5d0 \uc18d\ud569\ub2c8\ub2e4. \ub450 \ubc88\uc9f8 \ub2e8\uacc4\uc758 \uac15\ud654\uc758 \uc8fc\ub41c \uc774\uc720\ub294 \uc804\uc704\uc640 \uc804\uc704 \uc0ac\uc774\uc758 \uc0c1\ud638 \uc791\uc6a9\uc73c\ub85c \uc778\ud574 \uc804\uc704 \uc6b4\ub3d9\uc744 \ubc29\ud574\ud558\uace0 \ud569\uae08\uc758 \ubcc0\ud615 \uc800\ud56d\uc744 \uc99d\uac00\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n

<\/p>\n\n\n\n

\uc77c\ubc18\uc801\uc73c\ub85c \uac15\ub3c4\uc5d0 \uc601\ud5a5\uc744 \ubbf8\uce58\ub294 \uac00\uc7a5 \uc911\uc694\ud55c \uac83\uc740 \uae08\uc18d \uc790\uccb4\uc758 \uad6c\uc131, \uc870\uc9c1 \uad6c\uc870 \ubc0f \ud45c\uba74 \uc0c1\ud0dc\uc774\uba70, \uadf8 \ub2e4\uc74c\uc5d0\ub294 \ud6c4 \ud798\uc758 \uc18d\ub3c4, \ud558\uc911 \ubc29\ubc95, \ub2e8\uc21c \uc5f0\uc2e0 \ub610\ub294 \ubc18\ubcf5 \uc751\ub825\uacfc \uac19\uc740 \uc751\ub825 \uc0c1\ud0dc\uac00 \ub2e4\ub978 \uac15\ub3c4\ub97c \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \ub610\ud55c \uae08\uc18d\uc758 \ubaa8\uc591\uacfc \ud06c\uae30\uc640 \uc2dc\ud5d8 \ub9e4\uccb4\ub3c4 \uc601\ud5a5\uc744 \ubbf8\uce58\uba70 \ub54c\ub85c\ub294 \ucd08\uace0\uac15\ub3c4 \uac15\ucca0\uc758 \uc778\uc7a5 \uac15\ub3c4\uac00 \uc218\uc18c \ubd84\uc704\uae30\uc5d0\uc11c \uae30\ud558 \uae09\uc218\uc801\uc73c\ub85c \uac10\uc18c \ud560 \uc218\uc788\ub294 \ub4f1 \uacb0\uc815\uc801\uc778 \uc601\ud5a5\uc744 \ubbf8\uce58\uae30\ub3c4\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\ud558\ub098\ub294 \ud569\uae08\uc758 \uc6d0\uc790 \uac04 \uacb0\ud569\ub825\uc744 \uac1c\uc120\ud558\uc5ec \uc774\ub860\uc801 \uac15\ub3c4\ub97c \uac1c\uc120\ud558\uace0 \uc218\uc5fc\uacfc \uac19\uc740 \uacb0\ud568\uc774\uc5c6\ub294 \uc644\uc804\ud55c \uacb0\uc815\uc744 \uc0dd\uc131\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \uc54c\ub824\uc9c4 \ucca0 \uc218\uc5fc\uc758 \uac15\ub3c4\ub294 \uc774\ub860\uc801 \uac12\uc5d0 \uac00\uae5d\uace0, \uc774\ub294 \uc218\uc5fc\uc5d0 \uc804\uc704\uac00 \uc5c6\uac70\ub098 \ubcc0\ud615 \uc911\uc5d0 \uc99d\uc2dd \ud560 \uc218\uc5c6\ub294 \uc801\uc740 \uc218\uc758 \uc804\uc704 \ub9cc \ud3ec\ud568\ud558\uae30 \ub54c\ubb38\uc774\ub77c\uace0 \uac00\uc815 \ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \uc218\uc5fc\uc758 \uc9c1\uacbd\uc774 \ud06c\uba74 \uac15\ub3c4\uac00 \uae09\uaca9\ud788 \uac10\uc18c\ud569\ub2c8\ub2e4. \ub458\uc9f8, \uc804\uc704, \uc810 \uacb0\ud568, \uc774\uc885 \uc6d0\uc790, \uc785\uc790 \uacbd\uacc4, \uace0\ub3c4\ub85c \ubd84\uc0b0 \ub41c \uc785\uc790 \ub610\ub294 \ubd88\uade0\uc77c\uc131 (\uc608 : \ubd84\ub9ac) \ub4f1\uacfc \uac19\uc740 \ub9ce\uc740 \uacb0\uc815 \uacb0\ud568\uc774 \uacb0\uc815\uc5d0 \ub3c4\uc785\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uacb0\ud568\uc740 \uc804\uc704 \uc774\ub3d9\uc744 \ubc29\ud574\ud558\uace0 \uae08\uc18d \uac15\ub3c4\ub97c \ud06c\uac8c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4. \uc774\ub294 \uae08\uc18d\uc758 \uac15\ub3c4\ub97c \ub192\uc774\ub294 \uac00\uc7a5 \ud6a8\uacfc\uc801\uc778 \ubc29\ubc95\uc784\uc774 \uc785\uc99d\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

\uac15\ucca0\uc758 \uac15\ub3c4\ub294 \uc77c\ubc18\uc801\uc73c\ub85c \uc778\uc7a5 \uac15\ub3c4, \uad7d\ud798 \uac15\ub3c4 \ubc0f \uc555\ucd95 \uac15\ub3c4\ub97c \ud3ec\ud568\ud558\ub294 \uc678\ub825\uc758 \uc791\uc6a9\uc5d0 \ub530\ub978 \uae08\uc18d \uc7ac\ub8cc\uc758 \ubcc0\ud615 \ubc0f \ud30c\ub2e8 \uc131\ub2a5\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uac15\ucca0\uc774 \uc678\ub825\uc5d0 \ub300\ud55c \uc800\ud56d\ub825\uc774 \ub192\uc744\uc218\ub85d \uac15\ucca0\uc740 \ub354 \uac15\ud574\uc9d1\ub2c8\ub2e4. \uadf8\ub807\ub2e4\uba74 \uac15\ucca0\uc758 \uac15\ub3c4\ub97c \uc5b4\ub5bb\uac8c \ud5a5\uc0c1\uc2dc\ud0ac \uc218 \uc788\uc744\uae4c\uc694? \uc194\ub8e8\uc158 \uac15\ud654 \uc194\ub8e8\uc158 [...]<\/p>","protected":false},"author":1,"featured_media":3817,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"yoast_head":"\nHow to improve the strength of steel?<\/title>\n<meta name=\"description\" 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