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单向拉伸中TB5钛合金组织转变的原位观察

柳长旭 吴国清 沙爱学 王清瑞

柳长旭, 吴国清, 沙爱学, 等 . 单向拉伸中TB5钛合金组织转变的原位观察[J]. 北京航空航天大学学报, 2012, (11): 1474-1477.
引用本文: 柳长旭, 吴国清, 沙爱学, 等 . 单向拉伸中TB5钛合金组织转变的原位观察[J]. 北京航空航天大学学报, 2012, (11): 1474-1477.
Liu Changxu, Wu Guoqing, Sha Aixue, et al. Situ observations of structural transformation in TB5 titanium alloy during one way tensile test[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1474-1477. (in Chinese)
Citation: Liu Changxu, Wu Guoqing, Sha Aixue, et al. Situ observations of structural transformation in TB5 titanium alloy during one way tensile test[J]. Journal of Beijing University of Aeronautics and Astronautics, 2012, (11): 1474-1477. (in Chinese)

单向拉伸中TB5钛合金组织转变的原位观察

基金项目: 北京市科技新星计划资助项目(2007B016); 教育部长江学者和创新团队发展计划资助项目(IRT0805)
详细信息
  • 中图分类号: TG113.12

Situ observations of structural transformation in TB5 titanium alloy during one way tensile test

  • 摘要: 通过单向拉伸下的视频显微镜原位观察,定量研究了Ti-15V-3Cr-3Sn-3Al(即为TB5)钛合金显微组织在拉伸过程中的演变规律.结果表明:单向拉伸时,该钛合金在弹性阶段组织变化不明显,而在塑性阶段随变形量的增加,组织中滑移带的变化可分为单滑移、多滑移和交滑移3个阶段.在单向拉伸过程中,由于滑移带从单滑移进入到多滑移,发生了几何硬化,导致晶粒变化减缓,滑移带的转动幅度变小.

     

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出版历程
  • 收稿日期:  2011-06-01
  • 网络出版日期:  2012-11-30

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