轻质高温结构材料——γ-TiAl基合金的研究动向  

The Recent Development on Gamma TiAl-based Alloys as Lightweight High-temperature Structural Materials

作　　者：章德铭[1] 陈贵清[1] 韩杰才[1] 孟松鹤[1] 

机构地区：[1]哈尔滨工业大学复合材料与结构研究所,哈尔滨150001

出　　处：《材料导报》2005年第8期47-50,共4页Materials Reports

基　　金：国家自然科学基金(90205034)

摘　　要：γ-TiAl 基合金被认为是非常有前途的新型轻质高温结构材料,在航空航天、汽车等领域具有广阔的应用前景。简要介绍了γ-TiAl 基合金的研究概况,并从高铌合金化、复合化、纳米化等方面着重阐述了其今后的发展趋势。Gamma TiAl-based alloys have been considered as the most promising new lightweight high-temperature structural materials with great potential in both aerospace and automotive applications. The research status of gamma TiAl-based alloys is introduced briefly. The development trend, such as high-Nb alloying, composite, nanometer of gamma TiAl-based alloys is overviewed detailedly.

关 键 词：Γ-TIAL基合金 高温结构材料 发展趋势 轻质 航空航天 合金化 复合化 纳米化 

分 类 号：TG146.2[一般工业技术—材料科学与工程] TG146.23[金属学及工艺—金属材料]