Dynamic globularization mechanism in TC21 titanium alloy during hot rolling

L. R. Wang, Y. Q. Zhao, L. Zhou

科研成果: 书/报告/会议事项章节会议稿件同行评审

摘要

The microstructure evolution of the α/β titanium alloy TC21 has been characterized with respect to the mechanisms of the dynamic and static globularization of the a phase. Hot rolling at strains of 0.36, 0.69, and 1. 2 was performed at 900 °C. The results reveal that the globularization of the α phase is not a nucleation-and-growth process. The boundary misodentation histogram is bimodal under all test conditions by electron backscatter diffraction. It is concluded that the mechanism of the globularization of the α lamellae is that subgrain boundaries are formed by geometric dynamic recrystallization, and then separation of α lamellae occur by β phase penetration.

源语言英语
主期刊名Ti 2011 - Proceedings of the 12th World Conference on Titanium
741-744
页数4
出版状态已出版 - 2012
已对外发布
活动12th World Conference on Titanium, Ti 2011 - Beijing, 中国
期限: 19 6月 201124 6月 2011

出版系列

姓名Ti 2011 - Proceedings of the 12th World Conference on Titanium
1

会议

会议12th World Conference on Titanium, Ti 2011
国家/地区中国
Beijing
时期19/06/1124/06/11

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