铸造耐热铝合金的析出相及其稳定化策略研究进展  

Research progress on precipitated phase selection and stabilization strategy of heat-resistant cast aluminum alloys

作　　者：梁帅 陈来 朱慧颖 张海 LIANG Shuai;CHEN Lai;ZHU Huiying;ZHANG Hai(Weiqiao Suzhou Lightweight Research Institute Co.,Ltd.,Suzhou 215000,China;Soochow University,Suzhou 215000,China)

机构地区：[1]魏桥苏州轻量化研究院有限公司,江苏苏州215000 [2]苏州大学,江苏苏州215000

出　　处：《轻合金加工技术》2024年第1期7-22,27,共17页Light Alloy Fabrication Technology

摘　　要：大动力/大功率器件对耐热铝合金的需求不断增大,铸造耐热铝合金大尺寸产品制备工艺成熟,因而其应用广泛。本文综述了铸造耐热铝合金的析出相与微观组织稳定化的研究现状,讨论了耐热铝合金的主要特征,总结了铸造耐热铝合金高温性能的最新研究成果,着重从耐热相的种类、形貌、粗化率方面进行评述,展望了铸造耐热铝合金的发展趋势。The demand for heat-resistant aluminum alloy for high-power devices is increasing,and the heat-resistant cast aluminum alloy is still the most popular choice for application because of its proven large-sized product preparation process and clear microstructure evolution.In this paper,the research status of precipitated phase selection and microstructure stabilization of heat-resistant cast aluminum alloy is reviewed,the main characteristics and construction theory of heat-resistant cast aluminum alloy are discussed,and the latest research results on high temperature performance of heat-resistant cast aluminum alloy are summarized,focusing on heat-resistant phase type,morphology and coarsing rate.Finally,the development trend of heat-resistant cast aluminum alloy is prospected.

关 键 词：耐热铝合金弥散相 微观组织稳定化 成分优化 

分 类 号：TG146.21[一般工业技术—材料科学与工程]