Influence of Isothermal Forging Temperature on Microstructure and Mechanical Properties of Ti-6Al-2Sn-2Zr-3Mo-1Cr-2Nb-Si Titanium Alloy

被引：0
|
作者：
Shi Zhifeng [1 ]
Guo Hongzhen [1 ]
Peng Xiaona [1 ]
Wang Tao [1 ]
Yao Zekun [1 ]
机构：
[1] Northwestern Polytech Univ, Sch Mat Sci & Engn, Xian 710072, Peoples R China
来源：
TI-2011: PROCEEDINGS OF THE 12TH WORLD CONFERENCE ON TITANIUM, VOL I | 2012年
关键词：
Ti-6Al-2Sn-2Zr-3Mo-1Cr-2Nb-Si alloy; isothermal forging; microstructure; mechanical properties; FLOW;
D O I：
暂无
中图分类号：
TF [冶金工业];
学科分类号：
0806 ;
摘要：
The influence of isothermal forging temperature on microstructure and mechanical properties of the Ti-6Al-2Sn-2Zr-3Mo-1Cr-2Nb-Si alloy was investigated with the constant strain rate of 1 X 10(-2)s(-2) and deformation degree of 60%. The results indicate that the microstructure is mainly made up of coarse original beta grains at all temperatures, and a slight of fine equiaxed a phases exist in the microstructure only forged below the transus. The basketweave a lath distributed throughout the original beta grains uniformly. The mechanical properties of TC21 titanium alloy are not sensitive to the forging temperature. Compared to other temperatures, the combination property was optimized when forged at 970 degrees C slightly.
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页码：252 / 255
页数：4
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