TiAl基金属间化合物的发展  

Development of TiAl Intermetallic Based Compound

作　　者：林均品[1] 陈国良[1] 

机构地区：[1]北京科技大学新金属材料国家重点实验室,北京100083

出　　处：《中国材料进展》2009年第1期31-37,共7页Materials China

基　　金：国家自然科学基金资助项目(50771013);(50871127);863计划联合资助(2006AA03Z511)

摘　　要：介绍了普通TiAl基金属间化合物的发展过程,特别是北京科技大学开发的高Nb-TiAl金属间化合物的成分-组织-性能-制备关系,Nb对TiAl合金相关系和抗氧化性的影响,Nb的强化机理和工程合金的制备和性能。最后简单总结了TiAl基金属间化合物的发展趋势。The development process of conventional TiAl intermetallic compound was introduced, and the relations between composition, microstructure, properties for high Nb containing TiAl alloy developed by University of Science and Technology Beijing, were shown in the paper. The influence of Nb on the phase relationship and oxidation resistance, strengthening mechanism, fabrication and properties for engineering alloy were discussed. Finally, the development trend for TiAlalloys was summarized.

关 键 词：TIAL金属间化合物 高Nb-TiAl金属间化合物 抗氧化性 强化机理 

分 类 号：TG146.4[一般工业技术—材料科学与工程]