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qzxnjust

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专业: 金属结构材料

[求助] 求求有同学帮我把这个文献找到，我们学校图书馆没有买这个数据库。。。thankyou

关于TiAl的一篇综述，最近才发的。。题目在下面

Design, Processing, Microstructure, Properties, and Applications of Advanced Intermetallic TiAl Alloys

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1楼 2013-10-26 12:12:10

已阅回复此楼关注TA 给TA发消息送TA红花 TA的回帖

Alex.D.niu

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感谢参与，应助指数 +1
qzxnjust: 金币+1, ★有帮助, abstract已经看过了，谢谢 2013-10-27 11:01:26

只找到文章但是下不了，威利上的
给你摘要看看，解解燃眉之急
Abstract

After almost three decades of intensive fundamental research and development activities, intermetallic titanium aluminides based on the ordered γ-TiAl phase have found applications in automotive and aircraft engine industry. The advantages of this class of innovative high-temperature materials are their low density and their good strength and creep properties up to 750 °C as well as their good oxidation and burn resistance. Advanced TiAl alloys are complex multi-phase alloys which can be processed by ingot or powder metallurgy as well as precision casting methods. Each process leads to specific microstructures which can be altered and optimized by thermo-mechanical processing and/or subsequent heat treatments. The background of these heat treatments is at least twofold, i.e., concurrent increase of ductility at room temperature and creep strength at elevated temperature. This review gives a general survey of engineering γ-TiAl based alloys, but concentrates on β-solidifying γ-TiAl based alloys which show excellent hot-workability and balanced mechanical properties when subjected to adapted heat treatments. The content of this paper comprises alloy design strategies, progress in processing, evolution of microstructure, mechanical properties as well as application-oriented aspects, but also shows how sophisticated ex situ and in situ methods can be employed to establish phase diagrams and to investigate the evolution of the micro- and nanostructure during hot-working and subsequent heat treatments.