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超细晶钛合金的制备及性能研究现状 被引量:7

Research Status in Preparation and Properties of Ultra-fine Grained Ti Alloys
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摘要 总结了目前国内外超细晶钛合金的制备方法,主要包括大变形法、氢处理法和热机械处理法等,并评述了其显微组织和力学性能。采用以上方法获得的超细晶钛合金均表现出优异的力学性能,但室温延展性还有待进一步提高。分析了各种制备方法的优缺点,提出了获得更好性能匹配的相关策略。 Present preparation methods, mainly including severe plastic deformation (SPD), hydrogen treat- ment (HT) and thermomechanical processing (TMP), of ultra-fine grained (UFG) Ti alloys and their microstructure and mechanical properties are summarized. The UFG Ti alloys obtained by the above methods show good mechanical properties. However, the room-temperature tensile ductility still needs improving. Merits and demerits of these pre- paration methods are analysed and relevant strategies for obtaining better matching of properties are presented.
出处 《材料导报》 EI CAS CSCD 北大核心 2013年第13期94-98,112,共6页 Materials Reports
基金 国家自然科学基金(51071122 51271147)
关键词 超细晶 钛合金 制备方法 显微组织 力学性能 ultra-fine grain, Ti alloy, preparation method, microstructure, mechanical property
作者简介 王苗:女,1989年生,硕士,主要从事超细晶金属材料研究Tel:029—88486091E-mail:wm2007300814@126.com. 杨延清:通讯作者,男,1955年生,教授,主要从事金属基复合材料、材料的微观组织及界面等方面研究Tel:029-88460499E-mail:yqyang@nwpu.edu.cn
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参考文献35

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