Maximum m superplasticity deformation for TC11 titanium alloy

被引：0

作者：

Zhao, Xiao-Bin ^{[1
]}

Wang, Gao-Chao ^{[1
]}

Cao, Chun-Xiao ^{[1
,2
]}

Li, Zhen-Xi ^{[2
]}

Yang, Gang ^{[1
]}

Fan, Ding-Bing ^{[1
]}

机构：

[1] School of Materials Science and Engineering, Nanchang Hangkong University, Nanchang 330063, China

[2] Beijing Institute of Aeronautical Materials, Beijing 100095, China

来源：

Hangkong Cailiao Xuebao/Journal of Aeronautical Materials | 2008年 / 28卷 / 02期

关键词：

Computer control systems - Dynamic recrystallization - Elongation - Grain boundaries - Strain rate - Superplastic deformation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The emphasis was placed on the experiment method and the computer control system of maximum m superplasticity deformation (MaxmSPD). The superplastic deformation by this method for TC11 titanium alloy was analysed. The experiment results show that fine grain treatment TC11 titanium alloy, controlled by MaxmSPD, produces marked superplastic behaviour, in comparison with those constant strain rate methods. For example, at 900°C, the former elongation is 2300%, while the latter is only 1260%. The superplastic deformation of TC11 titanium alloy gives first place to grain boundaries slip, accompanied with grain intra dislocation slip. Maximum m superplasticity deformation can amply occur dynamic recrystallization, it is also an efficacious way to improve deformation of titanium alloy.

引用

页码：5 / 8

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