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Helium-induced damage behavior in high temperature nickel-based alloys with different chemical composition
Zhu, ZB; Huang, HF; Liu, JZ; Zhu, ZY
2020
Source PublicationJOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
Volume541Pages:-
Subtype期刊论文
AbstractThe Inconel 617 and Alloy 800H have recently acquired significant attention owing to their potential applications in molten salt reactors (MSRs). Considering that helium induced damage is the main irradiation degradation pathway for the nickel-based alloys used for the MSRs, the helium ion irradiation experiments of the Inconel 617 and Alloy 800H have been performed to evaluate their potential applications in MSRs. The Hastelloy N alloy is selected as a reference alloy. The extent of microstructural and mechanical changes of the investigated alloys resulting from helium ion irradiation at 700 degrees C was characterized by transmission electron microscopy (TEM) and nanoindentation. The nanoindentation results showed that both the Inconel 617 and Alloy 800H possess inferior irradiation hardening resistance when compared to the Hastelloy N alloy reference alloy. Moreover, the TEM graphs and additional analyses indicated that the content of Ni, Mo, and Cr in the investigated alloys will affect the characteristics of helium bubbles and dislocation loops. The Alloy 800H demonstrates a greater potential to function as the structural material for high-temperature MSRs than the Inconel 617, which is due to its good mechanical properties and smaller volume fraction of helium bubbles. (C) 2020 Elsevier B.V. All rights reserved.
KeywordION IRRADIATION MICROSTRUCTURAL EVOLUTION SOLID-SOLUTION GH3535 ALLOY REACTOR DEFORMATION MECHANISM DEFECTS BUBBLE STEELS
DOI10.1016/j.jnucmat.2020.152419
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/32901
Collection中科院上海应用物理研究所2011-2020年
Affiliation1.Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2.Univ Chinese Acad Sci, Sch Nucl Sci & Technol, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Zhu, ZB,Huang, HF,Liu, JZ,et al. Helium-induced damage behavior in high temperature nickel-based alloys with different chemical composition[J]. JOURNAL OF NUCLEAR MATERIALS,2020,541:-.
APA Zhu, ZB,Huang, HF,Liu, JZ,&Zhu, ZY.(2020).Helium-induced damage behavior in high temperature nickel-based alloys with different chemical composition.JOURNAL OF NUCLEAR MATERIALS,541,-.
MLA Zhu, ZB,et al."Helium-induced damage behavior in high temperature nickel-based alloys with different chemical composition".JOURNAL OF NUCLEAR MATERIALS 541(2020):-.
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