Flow Behavior and Microstructure Characteristic of Ti-5553 Alloy during Hot Deformation

被引：0
作者：
Zhou, Wei [1 ]
Ge, Peng [1 ]
Zhao, Yong Qing [1 ]
Yang, Yi [1 ]
Feng, Liang [1 ]
Li, Qian [1 ]
机构：
[1] Northwest Inst Nonferrous Met Res, Xian 710016, Peoples R China
来源：
TI-2011: PROCEEDINGS OF THE 12TH WORLD CONFERENCE ON TITANIUM, VOL I | 2012年
关键词：
Flow behavior; microstructure characteristic; titanium alloy;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The characteristics of hot deformation of metastable beta titanium alloy Ti-5553 had been studied. Compression tests were carried out on a Gleeble-1500 thermal simulation testing machine in the temperature range from 800 degrees C to 860 degrees C, at strain rate range from 0. 1 s(-1) to 10s(-1). Experimental results show that the flow stress of Ti-5553 alloy decreases with the increase of temperature and the decrease of strain rate. Discontinuous yielding with flow oscillations was observed deformed higher than 1s(-1). The flow stress was analyzed with Arrhenius equation and activation energy parameters were obtained. The microstructure of Ti-5553 alloy was analyzed using an optical microscope and transmission electron microscope.
引用
收藏
页码：588 / 592
页数：5
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