高强高韧铝合金的研究现状及发展趋势  

Present States of Research and Developing Trends of High Strength and High Toughness Aluminum Alloy

作　　者：刘昌斌[1] 夏长清[1] 戴晓元[1] 

机构地区：[1]中南大学材料科学与工程系,湖南长沙410083

出　　处：《矿冶工程》2003年第5期74-78,82,共6页Mining and Metallurgical Engineering

基　　金：国家重点基础研究发展规划项目 (G1 9990 6490 7- 2 )

摘　　要：对高强高韧铝合金的发展情况进行了全面的评述。讨论了高强高韧铝合金微观组织与性能之间的关系 ,以及铝合金的主要强化机制。简要介绍了回归再时效 (RRA) ,固溶强化等热处理新技术 ,并就今后的研究开发提出了建议。The developments of high strength and toughness aluminum alloy are reviewed in this paper in detail. The authors discuss the relations between its microstructures and properties as well as key mechanism of strengthening aluminum alloy. Some new heat treatment techniques, such as solutionizing, regression and reageing,etc are introduced. Some proposals are made for its futural, development and research.

关 键 词：高强高韧铝合金 固溶强化 回归再时效 抗应力腐蚀性 微观组织 强化机制 热处理 

分 类 号：TG146.21[一般工业技术—材料科学与工程] TG166.3[金属学及工艺—金属材料]