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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
发表期刊CORROSION SCIENCE
ISSN0010-938X
卷号109页码:43-49
摘要The 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.
部门归属[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
关键词Ni-cr Alloy Polarization Molten (Li Sem Na Weight Loss k)f Corrosion
学科领域Materials Science ; Metallurgy & Metallurgical Engineering
资助者National Natural Science Foundation of China [51271190, 51501205]
收录类别sci
语种英语
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/75781
专题中国科学院金属研究所
通讯作者Liu, HJ (reprint author), Chinese Acad Sci, Inst Met Res, Lab Corros & Protect, Shenyang 110016, Peoples R China.
推荐引用方式
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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