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
发表期刊MATERIALS & DESIGN
ISSN0261-3069
卷号90期号:-页码:359—363
文章类型期刊文献
摘要The 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.
关键词Xenon Ion irradiatIon High-temperature Helium Implantation Ferritic Steels Metals Microstructure Composites Reactors Behavior Systems
DOI10.1016/j.matdes.2015.10.147
收录类别SCI
语种英语
WOS记录号WOS:000367235100043
引用统计
文献类型期刊论文
条目标识符http://ir.sinap.ac.cn/handle/331007/25773
专题中科院上海应用物理研究所2011-2018年
通讯作者Huang, HF (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jialuo Rd, Shanghai 201800, Peoples R China.
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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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