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Galvanic corrosion of pure metals in molten fluorides
Y. L. Wang; H. J. Liu; C. L. Zeng
2014
Source PublicationJournal of Fluorine Chemistry
ISSN0022-1139
Volume165Pages:1-6
AbstractThe corrosion of structural materials is a great challenge for the development of a molten salt reactor using molten fluorides as fuel or coolant. The corrosion of materials in molten fluorides occurs mainly through the dissolution of alloying elements into the melt. In the present investigation, the galvanic corrosion behavior of pure Ni, Fe, and Cr as the common alloying constituents in an eutectic LiF-NaF-KF melt at 700 degrees C has been investigated. The experimental results indicate that the corrosion potential of the three metals decreases significantly by the order of Ni, Fe and Cr, with the largest potential difference observed between Ni and Cr. Their great potential differences lead to the occurrence of significant galvanic corrosion. The galvanic corrosion effects of the couples Ni/Cr, Ni/Fe and Fe/Cr are significantly larger than 1, with the most remarkable effectiveness obtained for the couple Ni/Cr, then Fe/Cr and Ni/Fe. (C) 2014 Elsevier B.V. All rights reserved.
description.department[wang, yanli ; liu, huijun ; zeng, chaoliu] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; zeng, cl (reprint author), chinese acad sci, inst met res, state key lab corros & protect, wencui rd 62, shenyang 110016, peoples r china. ; clzeng@imr.ac.cn
KeywordMolten Fluorides Galvanic Corrosion Pure Metals Hot Corrosion Alloys Steel Salt Mechanism Behavior
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Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/73432
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Y. L. Wang,H. J. Liu,C. L. Zeng. Galvanic corrosion of pure metals in molten fluorides[J]. Journal of Fluorine Chemistry,2014,165:1-6.
APA Y. L. Wang,H. J. Liu,&C. L. Zeng.(2014).Galvanic corrosion of pure metals in molten fluorides.Journal of Fluorine Chemistry,165,1-6.
MLA Y. L. Wang,et al."Galvanic corrosion of pure metals in molten fluorides".Journal of Fluorine Chemistry 165(2014):1-6.
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