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Microstructural evolution and pitting corrosion behavior of friction stir welded joint of high nitrogen stainless steel
Zhang, H; Wang, D; Xue, P; Wu, LH; Ni, DR; Ma, ZY; Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
2016-11-15
Source PublicationMATERIALS & DESIGN
ISSN0264-1275
Volume110Pages:802-810
AbstractWith the achievement of sound joints of high nitrogen stainless steel via friction stir welding, significant micro structural changes take place in various regions of the joints. This would bring out the change in the corrosion properties of the joints. In this study, the corrosion behavior of friction stir welded joint of high nitrogen stainless steel was investigated using electrochemical and immersion tests. No drastic decrease in breakdown potentials was observed in the heat affected zones with number and size distribution densities of pits being similar to that in the base metal. The nugget zone exhibited a relatively good pitting corrosion resistance, mainly attributing to the breakup of coarse inclusions and grain refinement during welding. The delta-ferrite bands and tool wear exerted no obvious effects on the corrosion behavior of the welded joint due to the lack of Cr diffusion. (C) 2016 Elsevier Ltd. All rights reserved.
description.department[zhang, h. ; wang, d. ; xue, p. ; wu, l. h. ; ni, d. r. ; ma, z. y.] chinese acad sci, inst met res, shenyang natl lab mat sci, 72 wenhua rd, shenyang 110016, peoples r china
KeywordHigh Nitrogen Stainless Steel Friction Stir Welding Pitting Corrosion Microstructure
Subject AreaMaterials Science, Multidisciplinary
Funding OrganizationNational Natural Science Foundation of China [51201163, 51331008]
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/76180
Collection中国科学院金属研究所
Corresponding AuthorMa, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
Recommended Citation
GB/T 7714
Zhang, H,Wang, D,Xue, P,et al. Microstructural evolution and pitting corrosion behavior of friction stir welded joint of high nitrogen stainless steel[J]. MATERIALS & DESIGN,2016,110:802-810.
APA Zhang, H.,Wang, D.,Xue, P.,Wu, LH.,Ni, DR.,...&Ma, ZY .(2016).Microstructural evolution and pitting corrosion behavior of friction stir welded joint of high nitrogen stainless steel.MATERIALS & DESIGN,110,802-810.
MLA Zhang, H,et al."Microstructural evolution and pitting corrosion behavior of friction stir welded joint of high nitrogen stainless steel".MATERIALS & DESIGN 110(2016):802-810.
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