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Influence of graphite-alloy interactions on corrosion of Ni-Mo-Cr alloy in molten fluorides
Ai, H; Hou, J; Ye, XX; Zeng, CL; Sun, H; Li, XY; Yu, GJ; Zhou, XT; Wang, JQ; Yu, GJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Ctr Thorium Molten Salts Reactor Syst, Shanghai 201800, Peoples R China.
2018-05-01
Source PublicationJOURNAL OF NUCLEAR MATERIALS
ISSN0022-3115
Volume503Pages:116-123
AbstractIn this study, the effects of graphite-alloy interaction on corrosion of Ni-Mo-Cr alloy in molten FLiNaK salt were investigated. The corrosion tests of Ni-Mo-Cr alloys were conducted in graphite crucibles, to examine the differences of test specimens in conditions of electric contact and isolated with graphite, respectively. The corrosion attack is severer with more weight loss and deeper Cr depletion layer in samples electric contact with graphite than those isolated with graphite. The occurrence of galvanic corrosion between alloy specimens and graphite container was confirmed by electrochemical measurement. The corrosion is controlled by nonelectric transfer in isolated test while electrochemical reaction accelerated corrosion in electric contact test. (C) 2018 Elsevier B.V. All rights reserved.; In this study, the effects of graphite-alloy interaction on corrosion of Ni-Mo-Cr alloy in molten FLiNaK salt were investigated. The corrosion tests of Ni-Mo-Cr alloys were conducted in graphite crucibles, to examine the differences of test specimens in conditions of electric contact and isolated with graphite, respectively. The corrosion attack is severer with more weight loss and deeper Cr depletion layer in samples electric contact with graphite than those isolated with graphite. The occurrence of galvanic corrosion between alloy specimens and graphite container was confirmed by electrochemical measurement. The corrosion is controlled by nonelectric transfer in isolated test while electrochemical reaction accelerated corrosion in electric contact test. (C) 2018 Elsevier B.V. All rights reserved.
description.department[ai, hua ; hou, juan ; ye, xiang-xi ; sun, hua ; li, xiaoyun ; yu, guojun ; zhou, xingtai ; wang, jian-qiang] chinese acad sci, shanghai inst appl phys, ctr thorium molten salts reactor syst, shanghai 201800, peoples r china ; [ai, hua] univ chinese acad sci, beijing 100049, peoples r china ; [hou, juan] gen elect china res & dev ctr co ltd, shanghai 201203, peoples r china ; [zeng, chao liu] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china
KeywordFlinak Salt Environments Moisture
Subject AreaMaterials Science, Multidisciplinary ; Nuclear Science & Technology
Funding OrganizationNational Natural Science Foundation of China [51501217, 51601213]; Strategic Priority Research Program of the Chinese Academy of Science [XDA02004210, XDA02004220, XDA02020400]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79338
Collection中国科学院金属研究所
Corresponding AuthorAi, H; Ye, XX; Yu, GJ (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Ctr Thorium Molten Salts Reactor Syst, Shanghai 201800, Peoples R China.
Recommended Citation
GB/T 7714
Ai, H,Hou, J,Ye, XX,et al. Influence of graphite-alloy interactions on corrosion of Ni-Mo-Cr alloy in molten fluorides[J]. JOURNAL OF NUCLEAR MATERIALS,2018,503:116-123.
APA Ai, H.,Hou, J.,Ye, XX.,Zeng, CL.,Sun, H.,...&Yu, GJ .(2018).Influence of graphite-alloy interactions on corrosion of Ni-Mo-Cr alloy in molten fluorides.JOURNAL OF NUCLEAR MATERIALS,503,116-123.
MLA Ai, H,et al."Influence of graphite-alloy interactions on corrosion of Ni-Mo-Cr alloy in molten fluorides".JOURNAL OF NUCLEAR MATERIALS 503(2018):116-123.
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