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The influence of temperature gradient on the corrosion of materials in molten fluorides
Wang, YL; Zeng, CL; Li, WH; Li, WH (reprint author), Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China.; Li, WH (reprint author), Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China.
2018-05-15
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume136Pages:180-187
AbstractThe corrosion of materials is a great challenge for the application of a molten salt nuclear reactor using molten fluoride salts with dissolved fissile material as fuel or using clean molten salts to cool solid nuclear fuel. Temperature gradient is one of the main driving forces. In present investigation, the corrosion of Cr and alloy GH3535 in molten (Li,Na,K)F with the temperature gradients of 600-700 and 650-700 degrees C is investigated. The experimental results indicate that the difference in the temperature of the melt causes the difference of the corrosion potential, and thus leads to the occurrence of galvanic corrosion. The corrosion of hot-end samples is accelerated, with a higher effectiveness for a higher temperature gradient.; The corrosion of materials is a great challenge for the application of a molten salt nuclear reactor using molten fluoride salts with dissolved fissile material as fuel or using clean molten salts to cool solid nuclear fuel. Temperature gradient is one of the main driving forces. In present investigation, the corrosion of Cr and alloy GH3535 in molten (Li,Na,K)F with the temperature gradients of 600-700 and 650-700 degrees C is investigated. The experimental results indicate that the difference in the temperature of the melt causes the difference of the corrosion potential, and thus leads to the occurrence of galvanic corrosion. The corrosion of hot-end samples is accelerated, with a higher effectiveness for a higher temperature gradient.
description.department[wang, yanli ; li, weihua] guangxi univ, sch chem & chem engn, nanning 530004, peoples r china ; [zeng, chaoliu] chinese acad sci, inst met res, shenyang 110016, liaoning, peoples r china ; [li, weihua] sun yat sen univ, sch chem engn & technol, zhuhai 519082, peoples r china
KeywordDegrees-c Salt Chromium
Subject AreaMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationBagui scholars program of Guangxi autonomous region; Academician Workstation Building Project of Guangxi Zhuang Autonomous Region Scientific and Technological Department [[2014] 91]; National Natural Science Foundation of China [51271190, 51525903]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79306
Collection中国科学院金属研究所
Corresponding AuthorWang, YL; Li, WH (reprint author), Guangxi Univ, Sch Chem & Chem Engn, Nanning 530004, Peoples R China.; Li, WH (reprint author), Sun Yat Sen Univ, Sch Chem Engn & Technol, Zhuhai 519082, Peoples R China.
Recommended Citation
GB/T 7714
Wang, YL,Zeng, CL,Li, WH,et al. The influence of temperature gradient on the corrosion of materials in molten fluorides[J]. CORROSION SCIENCE,2018,136:180-187.
APA Wang, YL,Zeng, CL,Li, WH,Li, WH ,&Li, WH .(2018).The influence of temperature gradient on the corrosion of materials in molten fluorides.CORROSION SCIENCE,136,180-187.
MLA Wang, YL,et al."The influence of temperature gradient on the corrosion of materials in molten fluorides".CORROSION SCIENCE 136(2018):180-187.
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