Effect of tellurium(Te4+) irradiation on microstructure and associated irradiation-induced hardening

被引：0
作者：
黄鹤飞 [1 ,2 ]
刘继召 [1 ,2 ]
雷冠虹 [1 ]
Ondrej Muránsky [3 ,4 ]
Tao Wei [3 ]
Mihail Ionescu [3 ]
机构：
[1] Shanghai Institute of Applied Physics, Chinese Academy of Sciences
[2] Australian Nuclear Science and Technology Organisation (ANSTO), Lucas Heights
[3] University of New South Wales (UNSW)
[4] School of Nuclear Science and Technology, University of Chinese Academy of Sciences
来源：
Chinese Physics B | 2021年 / 05期
基金：
中国国家自然科学基金;
关键词：
D O I：
暂无
中图分类号：
TG132.3 [特种热性质合金];
学科分类号：
080502 ;
摘要：
The GH3535 alloy samples were irradiated using 15-Me V Teions at 650℃ to a dose of 0.5, 3.0, 10, and 20 dpa, respectively. The Te atoms distribution and microstructure evolution were examined by electron probe microanalysis(EPMA)and transmission electron microscopy(TEM). The nano-indenter was then used to measure the nano-hardness changes of samples before and after irradiation. TEM results showed the formation of dislocation loops in the irradiated samples.Their mean diameters increase with the increase of irradiation dose and tends to be saturated when irradiation dose exceeds10 dpa. The ratio of yield strength increments calculated by dispersed barrier hardening(DBH) model is basically consistent with that of nano-hardness increments measured by nano-indenter. In addition, the relationship between the nano-hardness increments and dpa for the GH3535 alloy irradiated by Te ions has been revealed in the study.
引用
收藏
页码：476 / 481
页数：6
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