Microstructure of Ti-13Nb-13Zr Alloy Prepared by Powder Metallurgy Method Using TiH2 as Raw Material

被引：0
作者：
Wang Jingzhe [1 ,3 ]
Zhang Jiamin [1 ,2 ,3 ,4 ]
Yi Jianhong [1 ,2 ,3 ,4 ]
Gan Guoyou [1 ,2 ,3 ,4 ]
Liu Yichun [1 ,2 ,3 ,4 ]
机构：
[1] Kunming Univ Sci & Technol, Kunming 650093, Yunnan, Peoples R China
[2] Minist Educ, Key Lab Adv Mat Rare & Precious & Nonferrous Met, Kunming 650093, Yunnan, Peoples R China
[3] Key Lab Adv Mat Yunnan Prov, Kunming 650093, Yunnan, Peoples R China
[4] Kunming Key Lab Adv Mat Rare & Precious & Nonferr, Kunming 650093, Yunnan, Peoples R China
来源：
RARE METAL MATERIALS AND ENGINEERING | 2019年 / 48卷 / 01期
关键词：
TiH2; ZrH2; Ti-13Nb-13Zr; powder metal metallurgy; HEAT-TREATMENT; BEHAVIOR;
D O I：
暂无
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Based on dehydrogenation properties of titanium hydride and zirconium hydride, titanium hydride powder, niobium and zirconium hydride powder were ball milled, die pressed and vacuum sintered combined with a powder metallurgy method, and then Ti-13Nb-13Zr alloy was prepared. The sample was investigated by metallographic microscope, SEM and XRD. The result shows that through this process, the relative density of sintered body is 92.2%. SEM result indicates that platelet a and platelet beta exist in the alloy. During the formation of the alloy, due to the beta stable element niobium, the beta-phase is still in the alloy after cooling. Analysis based on XRD data reveals that the sigma-Ti and sigma-Zr are hcp structure while the beta-Ti, Nb and beta-Zr are bcc structure.
引用
收藏
页码：152 / 158
页数：7
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