Microstructure of titanium-nickel alloy by mechanical alloying

被引：0
|
作者：
Liu, Jue [1 ]
Li, Jing [1 ]
Yang, Hailin [1 ]
Ruan, Jianming [1 ]
机构：
[1] State Key laboratory of Powder Metallurgy, Central South University, Changsha
来源：
Zhongnan Daxue Xuebao (Ziran Kexue Ban)/Journal of Central South University (Science and Technology) | 2015年 / 46卷 / 04期
基金：
中国国家自然科学基金;
关键词：
Mechanical alloying; Microstructure; The third element; TiNi alloy;
D O I：
10.11817/j.issn.1672-7207.2015.04.005
中图分类号：
学科分类号：
摘要：
A procedure for producing equiatomic TiNi and Ti50Ni45Cu5 alloys from Ti, Ni and Cu powders by mechanical alloying was described, respectively. The structure, crystalline size, lattice deformation and morphology of powders were analyzed by means of XRD and SEM. The parameters of mechanical alloying process such as milling time, milling speed and the third element Cu were studied in order to understand their influences on powder characteristics. The results show that Ti and Ni X-ray peaks are wider and their intensity decreases with the increase of milling time. Higher crystal lattice constant variety of Ni can be achieved and the powder size decreases to the maximal degree after 8 h milling. It's beneficial to the alloying process to increase the milling speed and add the third element Cu. The strongest Ni X-ray peak intensity decreases greatly at 400 r/min milling speed, and crystalline size decreases by 65 nm. ©, 2015, Central South University of Technology. All right reserved.
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页码：1202 / 1207
页数：5
相关论文
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