CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
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
Source PublicationCHINESE PHYSICS B
ISSN1674-1056
Volume26Issue:9Pages:-
Subtype期刊论文
AbstractWe 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.
KeywordEmbedded-atom Potentials Fcc Metals Alpha-fe Helium Fusion Irradiation Energies Nickel Alloys Steel
DOI10.1088/1674-1056/26/9/093104
Indexed BySCI
WOS KeywordEMBEDDED-ATOM POTENTIALS ; FCC METALS ; ALPHA-FE ; HELIUM ; FUSION ; IRRADIATION ; ENERGIES ; NICKEL ; ALLOYS ; STEEL
Language英语
WOS IDWOS:000409461000004
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/28624
Collection中科院上海应用物理研究所2011-2019年
Recommended Citation
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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