CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Mitigation of He embrittlement and swelling in nickel by dispersed SiC nanoparticles
Huang, HF; Zhang, W; De Los Reyes, M; Zhou, XL; Yang, C; Xie, R; Zhou, XT; Huai, P; Xu, HJ; Huang, HF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
2016
Source PublicationMATERIALS & DESIGN
ISSN0261-3069
Volume90Issue:-Pages:359—363
Subtype期刊文献
AbstractThe development of high-temperature irradiation-resistant nickel-based alloys has been receiving much attention due to their potential applications in molten salt reactors (MSRs). Pure nickel and SiC nanoparticles dispersed nickel-based alloys (Ni-SiCNP composites) have been characterized by transmission electron microscopy (TEM) to determine the helium diffusion behavior under 3 MeV helium ion irradiation at 600 degrees C with ion fluence up to 3 x 10(20) ions/m(2). The TEM results indicated that the presence of dispersed SiCNP in nickel can inhibit the growth of helium bubbles, thereby mitigate the helium embrittlement and swelling of nickel-based alloys. The theoretical calculation results using the density functional theory (DFT) showed that the helium atoms prefer to diffuse to the interface between SiCNP and nickel matrix, and thus avoid the grain boundary segregation and also the growth of helium bubbles. This study confirmed the feasibility of dispersing carbides in nickel-based alloys to improve the irradiation-resistant performance of materials. (C) 2015 Elsevier Ltd. All rights reserved.
KeywordXenon Ion irradiatIon High-temperature Helium Implantation Ferritic Steels Metals Microstructure Composites Reactors Behavior Systems
DOI10.1016/j.matdes.2015.10.147
Indexed BySCI
Language英语
WOS IDWOS:000367235100043
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/25773
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorHuang, HF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Huang, HF,Zhang, W,De Los Reyes, M,et al. Mitigation of He embrittlement and swelling in nickel by dispersed SiC nanoparticles[J]. MATERIALS & DESIGN,2016,90(-):359—363.
APA Huang, HF.,Zhang, W.,De Los Reyes, M.,Zhou, XL.,Yang, C.,...&Huang, HF .(2016).Mitigation of He embrittlement and swelling in nickel by dispersed SiC nanoparticles.MATERIALS & DESIGN,90(-),359—363.
MLA Huang, HF,et al."Mitigation of He embrittlement and swelling in nickel by dispersed SiC nanoparticles".MATERIALS & DESIGN 90.-(2016):359—363.
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