元素粉法制备TiAl基合金板材  

Preparation of TiAl-based Alloy Sheet with Elemental Powders

作　　者：刘峰晓[1] 贺跃辉[1] 刘咏[1] 黄伯云[1] 李智[1] 江垚[1] 

机构地区：[1]中南大学粉末冶金国家重点实验室,长沙410083

出　　处：《材料导报》2004年第3期24-26,共3页Materials Reports

基　　金：863高技术基金(2002AA305209)

摘　　要：综述了元素粉法制备TiAl基合金板材的工艺和致密化机理,分析了影响反应合成致密化的因素,介绍了板材的性能和后续处理,指出了该工艺的局限性和发展方向。The processing technique and densification mechanism of TiAl based alloy sheet manufactured by elemental P/M method are summarized, and the factors influencing densification during reactive synthesis are analyzed. Meanwhile, the properties and as-treatment of sheet materials are introduced. Finally, the limitations and future directions of the process are pointed out.

关 键 词：元素粉法 TiAl基合金板材 致密化机理 制备工艺 

分 类 号：TG146.23[一般工业技术—材料科学与工程] TG146.21[金属学及工艺—金属材料]