7×××系超高强铝合金板材各向异性的研究现状  

Research status of anisotropy of 7××× series ultra-high-strength aluminum alloy plates

作　　者：任伟才[1] 王金花[1] 丛福官[1] 张磊[1] 王英君[1] 陈雷[1] Ren Wei-cai;Wang Jin-hua;Cong Fu-guan;Zhang Lei;Wang Ying-jun;CHEN Lei(Northeast Light Alloy Co.,Ltd.,Harbin 150060, China))

机构地区：[1]东北轻合金有限责任公司

出　　处：《轻合金加工技术》2019年第6期9-19,共11页Light Alloy Fabrication Technology

摘　　要：较为系统地介绍了7×××系铝合金的合金化原理、板材各向异性的影响因素及其研究现状。铝合金厚板各向异性及其不同厚度层性能变化的特征成为近年来重要研究方向,指出在厚板的轧制、热处理及微合金化元素等对合金组织、性能均匀性及各向异性的影响规律方面应投入更多力量进行研究,以便解决各向异性的同时,为未来合金开发和工艺升级提供参考。This paper systematically introduces the alloying principle,the influencing factors of anisotropy and the research status of 7××× series aluminum alloys.The investigation on anisotropy and performance changes in different thickness layers of aluminum alloy plates have become an important research direction in recent years.It is pointed out that more offorts should be put into the research of influence laws of rolling,heat treatment and micro-alloying elements on microstructure,property uniformity and anisotropy of plates.The problem of anisotropy can be investigated and the reference can be provided to future alloy development and process upgrading at the same time.

关 键 词：7×××系铝合金厚板 各向异性 合金化 轧制 热处理 

分 类 号：TG146.21[一般工业技术—材料科学与工程]