The study of irradiation damage induced by proton in metallic glass Ni62Ta38 and metal W

被引：6
|
作者：
Zhang, Xiaonan [1 ]
Mei, Xianxiu [1 ]
Wang, Yingmin [1 ]
Wang, Younian [1 ]
Sun, Jianrong [2 ]
机构：
[1] Dalian Univ Technol, Key Lab Mat Modificat Laser Ion & Elect Beams, Minist Educ, Dalian 116024, Peoples R China
[2] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION B-BEAM INTERACTIONS WITH MATERIALS AND ATOMS | 2018年 / 436卷
基金：
中国国家自然科学基金;
关键词：
Protons; Metallic glasses; Irradiation damage; ION IRRADIATION; LOW-ENERGY; TUNGSTEN; HELIUM; HYDROGEN; SURFACE; ITER; MICROSTRUCTURE; PERFORMANCE; EVOLUTION;
D O I：
10.1016/j.nimb.2018.08.045
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The protons with an energy of 250 keV were used to irradiate metallic glass Ni62Ta38 and metal W, the changes in structure and surface morphology of both the materials were compared, and their performances against the irradiation were evaluated, in order to provide the reference for the possibility of application of metallic glass Ni62Ta38 in irradiation environment. The results showed that after the proton irradiation, metallic glass Ni62Ta38 still maintained its good amorphousness without obvious irradiation damage on its surface. Meanwhile, stress was generated in metal W, and its crystalline size, micro-strain and dislocation line density varied undulately with the increase of fluence. When the irradiation fluence was 1.0 x 10(18) ions/cm(2), large area of blisters were formed on the surface of metal W. The surface roughness of metal W increased with the fluence. Compared with metal W, the proton irradiation resistance of metallic glass Ni62Ta38 was better.
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页码：1 / 8
页数：8
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