{"title":"细化剂对6061铝合金铸态组织和力学性能的影响","authors":"凌凤 姚, 大童 张","doi":"10.33142/msra.v1i1.1287","DOIUrl":null,"url":null,"abstract":"采用金相、扫描电镜和力学性能测试，研究了不同细化剂Al-5Ti-1B-10RE、Al-5Ti-0.2C、Al-5Ti-1B对6061铝合金铸态组织和性能的影响。结果表明：Al-5Ti-1B-10RE细化剂中的稀土元素易在晶界和相界上聚集，增加了形核率，细化效果较Al-5Ti-0.2C、Al-5Ti-1B更好；经Al-5Ti-1B-10RE细化后，6061铝合金铸态平均晶粒尺寸最小，为100.9m，力学性能最佳，抗拉强度和伸长率分别为164.8MPa，和15.8%。","PeriodicalId":21005,"journal":{"name":"Research and Application of Materials Science","volume":"42 1","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2019-07-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Research and Application of Materials Science","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.33142/msra.v1i1.1287","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
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