Effect of grain boundary structures on the behavior of He defects in Ni: An atomistic study
Gong, HF; Yan, Y; Zhang, XS; Lv, W; Liu, T; Ren, QS
2017
发表期刊CHINESE PHYSICS B
ISSN1674-1056
卷号26期号:9页码:-
文章类型期刊论文
摘要We investigated the effect of grain boundary structures on the trapping strength of He-N (N is the number of helium atoms) defects in the grain boundaries of nickel. The results suggest that the binding energy of an interstitial helium atom to the grain boundary plane is the strongest among all sites around the plane. The He-N defect is much more stable in nickel bulk than in the grain boundary plane. Besides, the binding energy of an interstitial helium atom to a vacancy is stronger than that to a grain boundary plane. The binding strength between the grain boundary and the He-N defect increases with the defect size. Moreover, the binding strength of the HeN defect to the Sigma 3 (1 (1) over bar2) [110] grain boundary becomes much weaker than that to other grain boundaries as the defect size increases.
关键词Embedded-atom Potentials Fcc Metals Alpha-fe Helium Fusion Irradiation Energies Nickel Alloys Steel
DOI10.1088/1674-1056/26/9/093104
关键词[WOS]EMBEDDED-ATOM POTENTIALS ; FCC METALS ; ALPHA-FE ; HELIUM ; FUSION ; IRRADIATION ; ENERGIES ; NICKEL ; ALLOYS ; STEEL
收录类别SCI
语种英语
WOS记录号WOS:000409461000004
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/28624
专题中科院上海应用物理研究所2011-2018年
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GB/T 7714
Gong, HF,Yan, Y,Zhang, XS,et al. Effect of grain boundary structures on the behavior of He defects in Ni: An atomistic study[J]. CHINESE PHYSICS B,2017,26(9):-.
APA Gong, HF,Yan, Y,Zhang, XS,Lv, W,Liu, T,&Ren, QS.(2017).Effect of grain boundary structures on the behavior of He defects in Ni: An atomistic study.CHINESE PHYSICS B,26(9),-.
MLA Gong, HF,et al."Effect of grain boundary structures on the behavior of He defects in Ni: An atomistic study".CHINESE PHYSICS B 26.9(2017):-.
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