CAS OpenIR  > 中科院上海应用物理研究所2011-2019年
MOLECULAR DYNAMICS SIMULATION OF THE DISPLACEMENT CASCADES IN TUNGSTEN WITH INTERSTITIAL HELIUM ATOMS
Yang, XD; Deng, HQ; Hu, NW; Xiao, SF; Ren, CL; Huai, P; Wang, CB; Li, XF; Hu, WY; hqdeng@hnu.edu.cn
2014
Source PublicationFUSION SCIENCE AND TECHNOLOGY
ISSN1536-1055
Volume66Issue:1Pages:112—117
AbstractTungsten (W) is a promising candidate as for the plasma-facing material in future nuclear fusion reactors. The interstitial helium (He) atoms in bulk tungsten will degrade seriously the mechanical properties of tungsten. In the present paper the effect of interstitial He atoms on the production and evolution of defects in irradiated tungsten has been investigated using molecular dynamics (MD) simulations. Under the conditions of different primary-knocked atom (PKA) energies and irradiation temperatures, it is found that the interstitial He atoms increase the generation of Frenkel pairs and this tendency can be greatly promoted by increasing the PKA energy and irradiation temperature. The interstitial He atoms can also increase the displacement cascade efficiency and impact greatly on the structure of radiation-induced defects in tungsten.
KeywordImplanted Tungsten Defect Production Radiation-damage Alpha-iron Low-energy Irradiation Potentials Surface Model He
Indexed BySCI
Language英语
WOS IDWOS:000340349100016
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14245
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorhqdeng@hnu.edu.cn
Recommended Citation
GB/T 7714
Yang, XD,Deng, HQ,Hu, NW,et al. MOLECULAR DYNAMICS SIMULATION OF THE DISPLACEMENT CASCADES IN TUNGSTEN WITH INTERSTITIAL HELIUM ATOMS[J]. FUSION SCIENCE AND TECHNOLOGY,2014,66(1):112—117.
APA Yang, XD.,Deng, HQ.,Hu, NW.,Xiao, SF.,Ren, CL.,...&hqdeng@hnu.edu.cn.(2014).MOLECULAR DYNAMICS SIMULATION OF THE DISPLACEMENT CASCADES IN TUNGSTEN WITH INTERSTITIAL HELIUM ATOMS.FUSION SCIENCE AND TECHNOLOGY,66(1),112—117.
MLA Yang, XD,et al."MOLECULAR DYNAMICS SIMULATION OF THE DISPLACEMENT CASCADES IN TUNGSTEN WITH INTERSTITIAL HELIUM ATOMS".FUSION SCIENCE AND TECHNOLOGY 66.1(2014):112—117.
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