{"id":1150,"date":"2025-03-11T14:38:01","date_gmt":"2025-03-11T14:38:01","guid":{"rendered":"https:\/\/ygdiecasting.com\/?p=1150"},"modified":"2025-03-14T15:49:51","modified_gmt":"2025-03-14T15:49:51","slug":"porosity-in-engine-blocks","status":"publish","type":"post","link":"https:\/\/ygdiecasting.com\/ko\/porosity-in-engine-blocks\/","title":{"rendered":"\uc54c\ub8e8\ubbf8\ub284 \uc5d4\uc9c4 \ube14\ub85d\uc758 \ub2e4\uacf5\uc131"},"content":{"rendered":"

\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305 \uc5d4\uc9c4 \ube14\ub85d\uc758 \ub2e4\uacf5\uc131: \uc6d0\uc778\uacfc \ud574\uacb0\ucc45<\/h1>\n

\ub2e4\uacf5\uc131 \ud615\uc131 \uc6d0\ub9ac<\/h2>\n

\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \ub2e4\uacf5\uc131\uc740 \uce68\uc804 \ub2e4\uacf5\uc131\uacfc \ud3ec\uc9d1 \ub2e4\uacf5\uc131\uc758 \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uce68\uc804 \ub2e4\uacf5\uc131\uc740 \uc6a9\uc735 \uc628\ub3c4(>750\u00b0C)\uac00 \ub192\uc544 \uc6a9\uc735\ubb3c\uc758 \uc218\uc18c \uc6a9\ud574\ub3c4\uac00 \uc99d\uac00\ud558\uac70\ub098 \uc2ac\ub798\uadf8\uac00 \ub9ce\uc740 \ub9ac\ud134 \uc18c\uc7ac\uc5d0\uc11c \ud0c8\uc2ac\ub798\uae45\uc774 \uc798 \ub418\uc9c0 \uc54a\uc544 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uac07\ud78c \uae30\uacf5\uc740 \ub0ae\uc740 \uc0f7 \uc2ac\ub9ac\ube0c \ucda9\uc9c4 \ube44\uc728, \uc870\uae30 \uace0\uc18d \uc0ac\ucd9c, \uacfc\ub3c4\ud55c \uc774\ud615\uc81c \uac00\uc2a4 \ub610\ub294 \uc798\ubabb \uc124\uacc4\ub41c \uac8c\uc774\ud305 \ubc0f \ubc30\uae30 \uc2dc\uc2a4\ud15c\uacfc \uac19\uc740 \uacf5\uc815 \ub610\ub294 \uc124\uacc4 \uacb0\ud568\uc73c\ub85c \uc778\ud574 \uc6a9\uc735\ubb3c\uc5d0 \uac00\uc2a4\uac00 \uac07\ud788\uba74\uc11c \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uc774\ub7ec\ud55c \uae30\uacf5\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubcbd\uc774 \ub9e4\ub044\ub7fd\uace0 \ub465\uae00\uba70 \uc8fc\uc870 \ub05d\uc774\ub098 \ubcf5\uc7a1\ud55c \uc601\uc5ed\uc5d0 \ub098\ud0c0\ub0a9\ub2c8\ub2e4.<\/p>\n

\"Porosity
\nAlt: \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305\uc5d0\uc11c \uce68\uc804 \ubc0f \ud3ec\ud68d\ub41c \ub2e4\uacf5\uc131 \ud615\uc131\uc744 \ubcf4\uc5ec\uc8fc\ub294 \ub2e4\uc774\uc5b4\uadf8\ub7a8.<\/em><\/p>\n

\ubb38\uc81c \uc124\uba85<\/h2>\n

\ubd50\ub7ec 28,000kN \ub0c9\uac04 \ucc54\ubc84 \uae30\uacc4\ub85c \uc8fc\uc870\ub41c 8.5kg ZL201 \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \uc5d4\uc9c4 \ube14\ub85d\uc740 X-\ub808\uc774 \ubc0f \uae30\uacc4 \uac00\uacf5 \uac80\uc0ac\ub97c \ud1b5\ud574 \ub9c8\ud0b9 \ud45c\uba74\uc5d0 \ubb34\uc791\uc704 \ub2e4\uacf5\uc131\uc774 \ubc1c\uacac\ub418\uc5c8\uc2b5\ub2c8\ub2e4. 2017\ub144\uc5d0\ub294 \uae30\uc220 \uc0ac\uc591\uc5d0 \ub530\ub77c \ud5c8\uc6a9\ub418\uc9c0 \uc54a\ub294 \ub9e4\ub044\ub7fd\uace0 \uc9d9\uc740 \ud68c\uc0c9\uc758 \uae30\uacf5\uc73c\ub85c \ubc00\ubd09\uacfc \uac15\ub3c4\ub97c \uc704\ud611\ud558\ub294 \ub2e4\uacf5\uc131 \uc81c\uac70\uc728\uc774 2.5%\uc5d0 \ub2ec\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\"Porosity
\nAlt: \uc5d4\uc9c4 \ube14\ub85d \ub9c8\ud0b9 \ud45c\uba74\uc758 \ub2e4\uacf5\uc131 \ubd84\ud3ec\ub97c \ubcf4\uc5ec\uc8fc\ub294 X-\ub808\uc774 \uc774\ubbf8\uc9c0.<\/em><\/p>\n

\uc194\ub8e8\uc158 \uc811\uadfc \ubc29\uc2dd<\/h2>\n

\ub2e4\uacf5\uc131\uc740 \uc6a9\uc735 \ud488\uc9c8, \uacf5\uc815 \ud30c\ub77c\ubbf8\ud130 \ubc0f \uae08\ud615 \uc124\uacc4\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4. \uce68\uc804 \ub2e4\uacf5\uc131\uc740 \uc6a9\uc735 \uad00\ud589\uc744 \uac1c\uc120\ud558\uc5ec \uc5b5\uc81c\ud560 \uc218 \uc788\uc73c\uba70, \ud3ec\ud68d \ub2e4\uacf5\uc131\uc740 \ucda9\uc9c4 \uc5ed\ud559\uacfc \uad00\ub828\uc774 \uc788\uc2b5\ub2c8\ub2e4. \uc774 \uc804\ub7b5\uc5d0\ub294 \uacf5\uc815 \uc124\uc815, \uc6a9\uc735 \uc21c\ub3c4, \uac8c\uc774\ud305 \uc124\uacc4\ub97c \ub2e8\uacc4\ubcc4\ub85c \ud574\uacb0\ud558\uc5ec \uc8fc\uc694 \uc6d0\uc778\uc744 \uc815\ud655\ud788 \ud30c\uc545\ud558\uace0 \uc81c\uac70\ud558\ub294 \uac83\uc774 \ud3ec\ud568\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc194\ub8e8\uc158 \ubc29\ubc95<\/h2>\n

\ud504\ub85c\uc138\uc2a4 \ub9e4\uac1c\ubcc0\uc218 \uc870\uc815<\/h3>\n

\uc774\uc288<\/strong>: \uace0\uc18d \uc0ac\ucd9c\uc740 500mm(\uc801\uc815)\uc5d0\uc11c \uc2dc\uc791\ud588\uc9c0\ub9cc \ubcf5\uc7a1\ud55c \uce90\ube44\ud2f0\uc5d0 \uac00\uc2a4\uac00 \uac07\ud614\uace0, \uc2a4\ud504\ub808\uc774 \ud6c4 \uae08\ud615 \uc628\ub3c4\uac00 120\u00b0C\ub85c \uc774\uc0c1\uc801\uc778 160-190\u00b0C\ubcf4\ub2e4 \ub0ae\uc544 \uc774\ud615\uc81c \uac00\uc2a4\uac00 \uacfc\ub2e4\ud558\uac8c \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4.
\n\uc218\uc815<\/strong>: \uace0\uc18d \uc2dc\uc791\uc744 510mm\ub85c \uc9c0\uc5f0\uc2dc\ud0a4\uace0 \ubd84\uc0ac \uc2dc\uac04\uc744 1.5\ucd08\uc5d0\uc11c 1\ucd08\ub85c \uc904\uc600\uc73c\uba70 0.5\ucd08\uc758 \uc5d0\uc5b4 \ube14\ub85c\uc6b0\ub97c \ucd94\uac00\ud558\uc5ec \uae08\ud615 \uc628\ub3c4\ub97c 160\u00b0C\ub85c \uc62c\ub838\uc2b5\ub2c8\ub2e4.
\n\uacb0\uacfc<\/strong>: \uac70\ubd80\uc728\uc774 2.5%\uc5d0\uc11c 2.3%\ub85c \uac10\uc18c\ud558\uc5ec \uc18c\ud3ed \uac1c\uc120\ub418\uc5c8\uc2b5\ub2c8\ub2e4.<\/p>\n

\uc6a9\uc735 \uacf5\uc815 \ucd5c\uc801\ud654<\/h3>\n

\uc774\uc288<\/strong>: \ubc18\uc804 \ubb3c\uc9c8\uc774 50%\ub97c \ucd08\uacfc\ud558\uc5ec \uccad\uacb0\ub3c4\uac00 \ub5a8\uc5b4\uc9c0\uace0 \uc218\uc18c \ud568\ub7c9(\ubc00\ub3c4 1.523)\uc774 \uc99d\uac00\ud588\uc2b5\ub2c8\ub2e4.
\n\uc218\uc815<\/strong>: \uc0ac\uc804 \uac74\uc870 \ub9ac\ud134\uc774 30%-45%\ub85c \uc81c\ud55c\ub418\uace0, \uac00\uc2a4 \uc81c\uac70 \uc2dc\uac04\uc774 260\ucd08\uc5d0\uc11c 300\ucd08\ub85c \uc5f0\uc7a5\ub418\uc5c8\uc2b5\ub2c8\ub2e4.
\n\uacb0\uacfc<\/strong>: \uc218\uc18c \ubc00\ub3c4\uac00 0.927\ub85c \uac10\uc18c\ud558\uc5ec \uac70\ubd80\uc728\uc774 2%\ub85c \uac10\uc18c\ud588\uc9c0\ub9cc \uc5ec\uc804\ud788 \ubd88\ucda9\ubd84\ud569\ub2c8\ub2e4.<\/p>\n

\uac8c\uc774\ud305 \uc2dc\uc2a4\ud15c \uac1c\uc120<\/h3>\n

\uc774\uc288<\/strong>: \uac8c\uc774\ud305 \uc124\uacc4\ub85c \uc778\ud574 \ub9c8\ud0b9 \ud45c\uba74\uc5d0\uc11c \ub09c\ub958 \ucda9\uc804 \ubc0f \uac00\uc2a4 \ud3ec\ud68d\uc774 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4(\uadf8\ub9bc 3).
\n\uc218\uc815<\/strong>: \uae08\ud615 \ud750\ub984 \ubd84\uc11d\uc5d0 \ub530\ub978 \ubcc0\uacbd \uc0ac\ud56d: \uac8c\uc774\ud2b8 1 \ubc00\ud3d0, \uac8c\uc774\ud2b8 2 3mm \ub113\uc5b4\uc9d0, \uac8c\uc774\ud2b8 3 3mm \uc881\uc544\uc9d0.
\n\uacb0\uacfc<\/strong>: \uac1c\uc120\ub41c \ucda9\uc9c4\uc73c\ub85c \ub07c\uc784\uc774 \uc81c\uac70\ub418\uc5b4(\uadf8\ub9bc 4) \ub9c8\ud0b9 \ud45c\uba74 \uac70\ubd80\uc728\uc774 0.12%\ub85c \uac10\uc18c\ud588\uc2b5\ub2c8\ub2e4.<\/p>\n

\"Mold
\nAlt: \uac8c\uc774\ud305 \uc870\uc815 \ud6c4 \ucd5c\uc801\ud654\ub41c \uc6a9\uc735\ubb3c \ucda9\uc9c4 \uc21c\uc11c\ub97c \ubcf4\uc5ec\uc8fc\ub294 \uae08\ud615 \ud750\ub984 \ubd84\uc11d.<\/em>
\n\"X-Ray
\nAlt: \uac1c\uc120 \uc804\uacfc \ud6c4\uc758 \ub9c8\ud0b9 \ud45c\uba74\uc758 \ub2e4\uacf5\uc131 X-\ub808\uc774 \ube44\uad50.<\/em><\/p>\n

\uac1c\uc120 \uc0ac\ud56d \uc694\uc57d \ud45c<\/h3>\n\n\n\n\n\n\n\n
\uc2a4\ud14c\uc774\uc9c0<\/th>\n\ud655\uc778\ub41c \ubb38\uc81c<\/th>\n\ucde8\ud55c \uc870\uce58<\/th>\n\uac70\ubd80\uc728<\/th>\n<\/tr>\n<\/thead>\n
\ud504\ub85c\uc138\uc2a4 \ub9e4\uac1c\ubcc0\uc218<\/td>\n\ucd08\uae30 \uace0\uc18d, \ub0ae\uc740 \uae08\ud615 \uc628\ub3c4<\/td>\n\uc9c0\uc5f0\ub41c \uc2dc\uc791, \uc870\uc815\ub41c \uc2a4\ud504\ub808\uc774\/\ube14\ub85c\uc6b0<\/td>\n2.5% \u2192 2.3%<\/td>\n<\/tr>\n
\uc6a9\uc735 \ucd5c\uc801\ud654<\/td>\n\uc6a9\uc735\ubb3c\uc758 \ub192\uc740 \uc218\uc18c \ud568\ub7c9<\/td>\n\ub354 \uae68\ub057\ud558\uac8c \ub418\ub3cc\ub9ac\uace0, \ub354 \uc624\ub798 \uac00\uc2a4 \uc81c\uac70<\/td>\n2.3% \u2192 2.0%<\/td>\n<\/tr>\n
\uac8c\uc774\ud305 \uc7ac\uc124\uacc4<\/td>\n\ub09c\ub958 \ucda9\uc804<\/td>\n\ubd09\uc778\ub41c \uac8c\uc774\ud2b8 1, \ud06c\uae30\uac00 \uc870\uc815\ub41c \uac8c\uc774\ud2b8 2 \ubc0f 3<\/td>\n2.0% \u2192 0.12%<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\uacb0\ub860<\/h2>\n

\uc5d4\uc9c4 \ube14\ub85d\uc758 \ub2e4\uacf5\uc131\uc740 \uc6a9\uc735\ubb3c\uc758 \uc218\uc18c\uc640 \ucda9\uc804 \uc911 \uac00\uc2a4 \ud3ec\ud68d\uc73c\ub85c \uc778\ud574 \ubc1c\uc0dd\ud588\uc2b5\ub2c8\ub2e4. \uacf5\uc815 \ubc0f \uc6a9\uc735\uc5d0 \ub300\ud55c \ucd08\uae30 \uc870\uc815\uc73c\ub85c \uacb0\ud568\uc774 \uc18c\ud3ed \uac10\uc18c\ud588\uc9c0\ub9cc \uae08\ud615 \ud750\ub984 \ubd84\uc11d\uc744 \ud1b5\ud55c \uac8c\uc774\ud305 \uc7ac\uc124\uacc4\uac00 \uacb0\uc815\uc801\uc778 \uc5ed\ud560\uc744 \ud558\uc5ec \ubd88\ub7c9\ub960\uc744 2.5%\uc5d0\uc11c 0.12%\ub85c \ub0ae\ucdc4\uc2b5\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ub2e8\uacc4\ubcc4 \uc811\uadfc \ubc29\uc2dd\uc740 \ub2e4\uc774\uce90\uc2a4\ud305\uc5d0\uc11c \uc720\uc0ac\ud55c \ub2e4\uacf5\uc131 \ubb38\uc81c\ub97c \ud574\uacb0\ud558\uae30 \uc704\ud55c \uc2e4\uc9c8\uc801\uc778 \uccad\uc0ac\uc9c4\uc744 \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>","protected":false},"excerpt":{"rendered":"

\uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305 \uc5d4\uc9c4 \ube14\ub85d\uc758 \ub2e4\uacf5\uc131: \uc6d0\uc778 \ubc0f \ud574\uacb0 \ubc29\ubc95 \ub2e4\uacf5\uc131 \ud615\uc131 \uc6d0\ub9ac \uc54c\ub8e8\ubbf8\ub284 \ud569\uae08 \ub2e4\uc774\uce90\uc2a4\ud305\uc758 \ub2e4\uacf5\uc131\uc740 \uce68\uc804 \ub2e4\uacf5\uc131\uacfc \ud3ec\uc9d1 \ub2e4\uacf5\uc131\uc758 \ub450 \uac00\uc9c0 \uc720\ud615\uc73c\ub85c \ub098\ub269\ub2c8\ub2e4. \uce68\uc804 \ub2e4\uacf5\uc131\uc740 \ub192\uc740 \uc6a9\uc735 \uc628\ub3c4(>750\u00b0C)\ub85c \uc778\ud574 \uc6a9\uc735\ubb3c\uc758 \uc218\uc18c \uc6a9\ud574\ub3c4\uac00 \uc99d\uac00\ud558\uac70\ub098 \uc2ac\ub798\uadf8\uac00 \ub9ce\uc740 \ub9ac\ud134 \uc18c\uc7ac\uc5d0\uc11c \ud0c8\uc2ac\ub798\uae45\uc774 \uc798 \ub418\uc9c0 \uc54a\uc544 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \uac07\ud798 \ub2e4\uacf5\uc131\uc740 \uacf5\uc815 [...]\uc5d0\uc11c \ube44\ub86f\ub429\ub2c8\ub2e4.<\/p>","protected":false},"author":1,"featured_media":1153,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"none","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"categories":[17],"tags":[],"class_list":["post-1150","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-case-study"],"_links":{"self":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1150","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/comments?post=1150"}],"version-history":[{"count":2,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1150\/revisions"}],"predecessor-version":[{"id":1155,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/posts\/1150\/revisions\/1155"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/media\/1153"}],"wp:attachment":[{"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/media?parent=1150"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/categories?post=1150"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ygdiecasting.com\/ko\/wp-json\/wp\/v2\/tags?post=1150"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}