LAZ811合金水冷凝固工艺设计与组织性能研究  

Study on Microstructures and Mechanical Properties of LAZ811 by Water-Cooled Solidification Process Design

作　　者：王威 浦丽莉 霍雨晗 WANG Wei;PU Li-li;HUO Yu-han(School of Materials Science and Chemical Engineering,Heilongjiang Institute of Technology,Harbin 150050,Heilongjiang,China)

机构地区：[1]黑龙江工程学院材料与化学工程学院,黑龙江哈尔滨150050

出　　处：《铸造》2024年第6期872-876,共5页Foundry

基　　金：2022年度黑龙江工程学院大创项目(202211802109);大学生创新创业训练计划项目(S202311802027);2021年度黑龙江省省属高等学校基本科研业务费科研项目(2021GJ02)。

摘　　要：对LAZ811合金水冷凝固模具与工艺进行了探索,主要包括熔铸工艺分析、水冷模具的结构设计及浇注参数的确定,并制备出了LAZ811合金铸锭。结果表明:真空感应熔炼+氩气保护,合理的水冷模具结构能够使合金快速凝固,有效防止铸锭内部缩孔及缩松的形成,并获得组织细小、拉伸性能优良的镁锂合金材料,并适用于类似合金的生产。The LAZ811 water-cooled solidification mold and process were explored,mainly including the analysis of the melting and casting process,the structural design of the water-cooled mold and the determination of casting parameters,and the preparation of LAZ811 alloy ingots.The results showed that vacuum induction melting+argon protection and reasonable water-cooled mold structure could make the alloy solidify rapidly,effectively prevent the formation of internal shrinkage and shrinkage loosening of the ingots,and obtain the magnesium-lithium alloy material with fine organization and excellent tensile properties,which is suitable for the production of similar alloys.

关 键 词：MG-LI合金 铸锭 真空感应熔炼 水冷模具 晶粒细化 

分 类 号：TG24[金属学及工艺—铸造] TG146.22[一般工业技术—材料科学与工程]