超轻镁-锂合金超塑性变形研究现状及展望  

Research status and development prospects of superplastic deformation of superlight Mg-Li alloys

作　　者：林奔[1] 杜玥 尹雨晨[2] 耿琼 LIN Ben;DU Yue;YIN Yu-chen;GENG Qiong(China Academy of Launch Vehicle Technology,Beijing 100076,China;Aerospace Research Institute of Materials&Processing Technology,Beijing 100076,China)

机构地区：[1]中国运载火箭技术研究院,北京100076 [2]航天材料及工艺研究所,北京100076

出　　处：《轻合金加工技术》2021年第6期18-23,共6页Light Alloy Fabrication Technology

摘　　要：镁-锂合金是最轻的金属结构材料,在航天领域具有广阔的应用前景。镁-锂合金相较普通镁合金表现出优异的变形性能,引起了研究者的广泛关注。综述了近年来国内外镁-锂合金超塑性变形研究现状,包括了超塑性镁-锂合金材料制备方法、超塑性变形行为、超塑性加工方法等研究领域。对超塑性镁-锂合金的研究发展趋势进行了展望。Mg-Li alloy is the lightest metal structure material,which has a broad application prospect in aerospace field.Mg-Li alloy has attracted more and more attention of the researchers due to its excellent deformation properties compared with ordinary magnesium alloys.The research status of superplastic deformation of Mg-Li alloy at home and abroad in recent years was reviewed,including the preparation methods,superplastic deformation behavior and superplastic processing methods and other research fields of superplastic Mg-Li alloy.The research and development trend of superplastic Mg-Li alloy was also prospected.

关 键 词：镁-锂合金 超塑性变形 研究现状 发展趋势 

分 类 号：TG146.22[一般工业技术—材料科学与工程]