TC6钛合金不同组织绝热剪切带的形成机理

稀有金属材料与工程, 2009, 38(1): 34-37.

TC6钛合金不同组织绝热剪切带的形成机理

孙坤 ^1, , 王富耻 ^2, , 程兴旺 ^3, , 苗普 ^4, , 赵双赞 ^5,

1.北京理工大学,北京,100081;楚雄师范学院,云南,楚雄,675000

2.北京理工大学,北京,100081

3.北京理工大学,北京,100081

4.北京理工大学,北京,100081

5.北京理工大学,北京,100081

关键词：钛合金 , 绝热剪切带 , 微观分析 , 机理

Formation Mechanics of Adiabatic Shear Band for the Different Microstructures of TC6 Alloy

采用分离式Hopkinson Bar技术对TC6钛合金等轴组织及网篮组织试样进行了动态剪切试验,通过光学显微镜、扫描电镜及透射电镜研究了TC6钛合金2种组织绝热剪切带的形成机理.结果表明:由于组织状态不同,其绝热剪切带的形成机理也不同;等轴组织绝热剪切带的形成是位错增殖、运动及塞积的结果,而网篮组织绝热剪切带的形成则是动态再结晶的结果.

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材料期刊网

TC6钛合金不同组织绝热剪切带的形成机理

Formation Mechanics of Adiabatic Shear Band for the Different Microstructures of TC6 Alloy

参考文献