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Effect of grain refinement on the corrosion of Ni-Cr alloys in molten (Li,Na,K)F
Wang, Yan Li; Wang, Qian; Liu, Hui Jun; Zeng, Chao Liu; Liu, HJ (reprint author), Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Peoples R China.
2016-08-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume109Pages:43-49
AbstractThe corrosion of cast coarse grain and laser-remelting fine grain Ni-Cr alloys in molten (Li,Na,K)F at 700 degrees C under Ar has been investigated by electrochemical and thermogravimetric methods with an attempt to understand the effect of grain refinement on the corrosion of the alloys. The results indicate that grain refinement remarkably accelerates the dissolution of Cr, leading to the formation of a wider Cr-depleted zone. The enhanced corrosion of fine grain Ni-Cr alloys could be ascribed to the laser remelting treatment decreasing greatly the grain size of the alloys, and thus significantly increasing the overall effective diffusion coefficient of Cr. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[wang, yan li ; wang, qian ; liu, hui jun ; zeng, chao liu] chinese acad sci, inst met res, lab corros & protect, shenyang 110016, peoples r china
KeywordNi-cr Alloy Polarization Molten (Li Sem Na Weight Loss k)f Corrosion
Subject AreaMaterials Science ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51271190, 51501205]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/75781
Collection中国科学院金属研究所
Corresponding AuthorLiu, HJ (reprint author), Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Wang, Yan Li,Wang, Qian,Liu, Hui Jun,et al. Effect of grain refinement on the corrosion of Ni-Cr alloys in molten (Li,Na,K)F[J]. CORROSION SCIENCE,2016,109:43-49.
APA Wang, Yan Li,Wang, Qian,Liu, Hui Jun,Zeng, Chao Liu,&Liu, HJ .(2016).Effect of grain refinement on the corrosion of Ni-Cr alloys in molten (Li,Na,K)F.CORROSION SCIENCE,109,43-49.
MLA Wang, Yan Li,et al."Effect of grain refinement on the corrosion of Ni-Cr alloys in molten (Li,Na,K)F".CORROSION SCIENCE 109(2016):43-49.
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