{"title":"含有Al2Ca的A356合金，根据不同热处理条件的工艺Si改良化行为","authors":"김세준, 현승균, 김세광, 윤영옥","doi":"10.7777/JKFS.2014.34.5.156","DOIUrl":null,"url":null,"abstract":"【This study is focused on the effect of $Al_2Ca$ as a modifier on eutectic Si modification of A356 alloy. Microstructural observation was carried out for as-cast, as-solution treated and as-aged samples. Solution treatment and aging were performed for 2, 4, 6 and 10 hrs at $540^{\\circ}C$ and $170^{\\circ}C$ , respectively. Although A356 alloy, which $Al_2Ca$ was added, has no significant difference in as-cast phases with normal A356 alloys, it shows much more modified eutectic Si, grain refinement and improved tensile property both in as-cast and as-heat treated conditions. TGA result shows that $Al_2Ca$ added A356 alloy has a certain improvement in oxidation resistance.】","PeriodicalId":16318,"journal":{"name":"Journal of Korea Foundry Society","volume":"37 1","pages":"156-161"},"PeriodicalIF":0.0000,"publicationDate":"2014-10-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"2","resultStr":"{\"title\":\"Al2Ca를 함유한 A356 합금에서의 다양한 열처리 조건에 따른공정 Si 개량화 거동\",\"authors\":\"김세준, 현승균, 김세광, 윤영옥\",\"doi\":\"10.7777/JKFS.2014.34.5.156\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"【This study is focused on the effect of $Al_2Ca$ as a modifier on eutectic Si modification of A356 alloy. Microstructural observation was carried out for as-cast, as-solution treated and as-aged samples. Solution treatment and aging were performed for 2, 4, 6 and 10 hrs at $540^{\\\\circ}C$ and $170^{\\\\circ}C$ , respectively. Although A356 alloy, which $Al_2Ca$ was added, has no significant difference in as-cast phases with normal A356 alloys, it shows much more modified eutectic Si, grain refinement and improved tensile property both in as-cast and as-heat treated conditions. TGA result shows that $Al_2Ca$ added A356 alloy has a certain improvement in oxidation resistance.】\",\"PeriodicalId\":16318,\"journal\":{\"name\":\"Journal of Korea Foundry Society\",\"volume\":\"37 1\",\"pages\":\"156-161\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2014-10-31\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"2\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of Korea Foundry Society\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.7777/JKFS.2014.34.5.156\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Korea Foundry Society","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.7777/JKFS.2014.34.5.156","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
【This study is focused on the effect of $Al_2Ca$ as a modifier on eutectic Si modification of A356 alloy. Microstructural observation was carried out for as-cast, as-solution treated and as-aged samples. Solution treatment and aging were performed for 2, 4, 6 and 10 hrs at $540^{\circ}C$ and $170^{\circ}C$ , respectively. Although A356 alloy, which $Al_2Ca$ was added, has no significant difference in as-cast phases with normal A356 alloys, it shows much more modified eutectic Si, grain refinement and improved tensile property both in as-cast and as-heat treated conditions. TGA result shows that $Al_2Ca$ added A356 alloy has a certain improvement in oxidation resistance.】
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