Analysis of Hot Deformation Dynamics of TC18 Titanium Alloy

被引：0
|
作者：
Wang, Qingrui [1 ]
Sha, Aixue [1 ]
Li, Xingwu [1 ]
Huang, Lijun [1 ]
机构：
[1] Beijing Inst Aeronaut Mat, Beijing 100095, Peoples R China
来源：
HIGH PERFORMANCE STRUCTURE MATERIALS | 2013年 / 747-748卷
关键词：
TC18 titanium alloy; Hot deformation; Flow stress; Strain; Dynamics;
D O I：
10.4028/www.scientific.net/MSF.747-748.878
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The effect of strain rate and deformation temperature on flow stress of TC18 titanium alloy was studied through heat simulating tests in 760 similar to 960 degrees C with temperature interval and the strain rate interval in 0.01 similar to 10s(-1). Relationship model of flow stress versus strain was established and hot deformation mechanics of TC18 titanium alloy was analyzed. The results show that the flow stress reduces obviously as the deformation temperature increases or the strain rate decreases. Dynamic recovery occurs at high strain rate above phase transformation point, while dynamic recrystallization occurs at low strain rate as well as at the temperature below phase transformation point.
引用
收藏
页码：878 / 884
页数：7
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