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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
发表期刊MATERIALS & DESIGN
ISSN0264-1275
卷号110页码:802-810
摘要With 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.
部门归属[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
关键词High Nitrogen Stainless Steel Friction Stir Welding Pitting Corrosion Microstructure
学科领域Materials Science, Multidisciplinary
资助者National Natural Science Foundation of China [51201163, 51331008]
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/321006/76180
专题中国科学院金属研究所
通讯作者Ma, ZY (reprint author), Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China.
推荐引用方式
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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