Improvement in tensile properties of α+β type Ti alloys by hydrogen treatment

被引：1
|
作者：
Gong, Bo [1 ]
Niinomi, Mitsuo [1 ]
Kobayashi, Toshiro [1 ]
机构：
[1] Northeast Univ of Technology, Shenyang, China
来源：
Acta Metallurgica Sinica Series A, Physical Metallurgy & Materials Science | 1993年 / 6 A卷 / 02期
关键词：
Hydrogenation - Mechanical properties - Microstructure;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new process to refine the microstructure of α+β type Ti alloys was developed by using hydrogen as a temporary alloying element. It involves hydrogenating the alloys below the hydrogenated β transus temperature about 0-40K, air cooling to room temperature and then dehydrogenating at 948 K. Ti-6Al-4V and Ti-5Al-2.5Fe alloys treated by this new process show much refined microstructure, and the yield strength, ultimate strength as well as the elongation increase 8-15, 5-13 and 7-14% respectively.
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页码：121 / 124
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