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Investigation on corrosion behavior of Ni-based alloys in molten fluoride salt using synchrotron radiation techniques
Liu, Min; Zheng, Junyi; Lu, Yanling; Li, Zhijun; Zou, Yang; Yu, Xiaohan; Zhou, Xingtai
2013
Source PublicationJOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
Volume440Issue:41642Pages:CONCATENATE(Sheet1!I181,-Sheet1!J181)
AbstractNi-based alloys have been selected as the structural materials in molten-salt reactors due to their high corrosion resistance and excellent mechanical properties. In this paper, the corrosion behavior of some Ni-based superalloys including Inconel 600, Hastelloy X and Hastelloy C-276 were investigated in molten fluoride salts at 750 degrees C. Morphology and microstructure of corroded samples were analyzed using scanning electron microscope (SEM), synchrotron radiation X-ray microbeam fluorescence (mu-XRF) and synchrotron radiation X-ray diffraction (SR-XRD) techniques. Results from mu-XRF and SR-XRD show that the main depleted alloying element of Ni-based alloys in molten fluoride salt is Cr. In addition, the results indicate that Mo can enhance the corrosion resistance in molten FLiNaK salts. Among the above three Ni-based alloys, Hastelloy C-276 exhibits the best corrosion resistance in molten fluoride salts 750 degrees C. Higher-content Mo and lower-content Cr in Hastelloy C-276 alloy were responsible for the better anti-corrosive performance, compared to the other two alloys. (C) 2013 Elsevier B.V. All rights reserved.
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000323396600018
Citation statistics
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/13794
Collection中科院上海应用物理研究所2011-2020年
Recommended Citation
GB/T 7714
Liu, Min,Zheng, Junyi,Lu, Yanling,et al. Investigation on corrosion behavior of Ni-based alloys in molten fluoride salt using synchrotron radiation techniques[J]. JOURNAL OF NUCLEAR MATERIALS,2013,440(41642):CONCATENATE(Sheet1!I181,-Sheet1!J181).
APA Liu, Min.,Zheng, Junyi.,Lu, Yanling.,Li, Zhijun.,Zou, Yang.,...&Zhou, Xingtai.(2013).Investigation on corrosion behavior of Ni-based alloys in molten fluoride salt using synchrotron radiation techniques.JOURNAL OF NUCLEAR MATERIALS,440(41642),CONCATENATE(Sheet1!I181,-Sheet1!J181).
MLA Liu, Min,et al."Investigation on corrosion behavior of Ni-based alloys in molten fluoride salt using synchrotron radiation techniques".JOURNAL OF NUCLEAR MATERIALS 440.41642(2013):CONCATENATE(Sheet1!I181,-Sheet1!J181).
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