CAS OpenIR  > 中科院上海应用物理研究所2011-2018年
Intergranular diffusion and embrittlement of a Ni-16Mo-7Cr alloy in Te vapor environment
Cheng, HW; Li, ZJ; Leng, B; Zhang, WZ; Han, FF; Jia, YY; Zhou, XT; Leng, B (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jia Lou Rd, Shanghai 201800, Peoples R China.
2015
Source PublicationJOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
Volume467Pages:341—348
Subtype期刊文献
AbstractNickel and some nickel-base alloys are extremely sensitive to intergranular embrittlement and tellurium (Te) enhanced cracking, which should be concerned during their serving in molten salt reactors. Here, a systematic study about the effects of its temperature on the reaction products at its surface, the intergranular diffusion of Te in its body and its embrittlement for a Ni-16Mo-7Cr alloy contacting Te is reported. For exposed to Te vapor at high temperature (823-1073 K), the reaction products formed on the surface of the alloy were Ni3Te2, CrTe, and MoTe2, and the most serious embrittlement was observed at 1073 K. The kinetic measurement in terms of Te penetration depth in the alloy samples gives an activation energy of 204 kJ/mol. Electron probe microanalysis confirmed the local enrichment of Te at grain boundaries. And clearly, the embrittlement was results from the intergranular diffusion and segregation of element Te. (C) 2015 Elsevier B.V. All rights reserved.
KeywordGrain-boundary Hastelloy-n Nickel Temperature Superalloy
Language英语
WOS IDWOS:000365602800036
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/24969
Collection中科院上海应用物理研究所2011-2018年
Corresponding AuthorLeng, B (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, 2019 Jia Lou Rd, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Cheng, HW,Li, ZJ,Leng, B,et al. Intergranular diffusion and embrittlement of a Ni-16Mo-7Cr alloy in Te vapor environment[J]. JOURNAL OF NUCLEAR MATERIALS,2015,467:341—348.
APA Cheng, HW.,Li, ZJ.,Leng, B.,Zhang, WZ.,Han, FF.,...&Leng, B .(2015).Intergranular diffusion and embrittlement of a Ni-16Mo-7Cr alloy in Te vapor environment.JOURNAL OF NUCLEAR MATERIALS,467,341—348.
MLA Cheng, HW,et al."Intergranular diffusion and embrittlement of a Ni-16Mo-7Cr alloy in Te vapor environment".JOURNAL OF NUCLEAR MATERIALS 467(2015):341—348.
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