Localized Liquation and Resultant Pitting Corrosion Behavior of Welding Coarse-Grained Heat-Affected Zone in Niobium-Stabilized Austenitic Stainless Steel

doi:10.1149/2.0091811jes

IMR OpenIR

	Localized Liquation and Resultant Pitting Corrosion Behavior of Welding Coarse-Grained Heat-Affected Zone in Niobium-Stabilized Austenitic Stainless Steel
	Bai, Guanshun 1,2; Li, Yiyi 1; Lu, Shanping 1
通讯作者	Lu, Shanping(shplu@inv.ac.cu)
	2018-08-09
发表期刊	JOURNAL OF THE ELECTROCHEMICAL SOCIETY
ISSN	0013-4651
卷号	165 期号:11 页码:C722-C731
摘要	Effect of localized liquation on pitting corrosion behavior of Nb-stabilized austenitic stainless steels was investigated by potentio-dynamic and potentiostatic polarization tests on the welding coarse-grained heat-affected zone (CGHAZ) samples simulated using finite-element software SYSWELD and Gleeble simulator. Results indicated that localized liquation gave rise to Nb-rich liquation bands along grain boundary, inhibiting metastable pit initiation and growth, but resulted in liquation cracks that facilitated the occurrence of stable pitting. Moreover, the large scatter in pitting potential and passive current density observed in CGHAZ samples was attributed to the heterogeneities in the distribution, geometry and dimensions of liquation cracks. (c) 2018 Ihe Electrochemical Society.
资助者	National High Technology Research and Development Program of China ; Research Program of Shenyang National Laboratory for Materials Science
DOI	10.1149/2.0091811jes
收录类别	SCI
语种	英语
资助项目	National High Technology Research and Development Program of China[2012AA03A501] ; Research Program of Shenyang National Laboratory for Materials Science[2016RP020]
WOS研究方向	Electrochemistry ; Materials Science
WOS类目	Electrochemistry ; Materials Science, Coatings & Films
WOS记录号	WOS:000441163300001
出版者	ELECTROCHEMICAL SOC INC
引用统计	被引频次：2[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/128908
专题	中国科学院金属研究所
通讯作者	Lu, Shanping
作者单位	1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Liaoning, Peoples R China 2.Ordnance Sci Inst China, Ningbo Branch, Ningbo 315103, Zhejiang, Peoples R China
推荐引用方式 GB/T 7714	Bai, Guanshun,Li, Yiyi,Lu, Shanping. Localized Liquation and Resultant Pitting Corrosion Behavior of Welding Coarse-Grained Heat-Affected Zone in Niobium-Stabilized Austenitic Stainless Steel[J]. JOURNAL OF THE ELECTROCHEMICAL SOCIETY,2018,165(11):C722-C731.
APA	Bai, Guanshun,Li, Yiyi,&Lu, Shanping.(2018).Localized Liquation and Resultant Pitting Corrosion Behavior of Welding Coarse-Grained Heat-Affected Zone in Niobium-Stabilized Austenitic Stainless Steel.JOURNAL OF THE ELECTROCHEMICAL SOCIETY,165(11),C722-C731.
MLA	Bai, Guanshun,et al."Localized Liquation and Resultant Pitting Corrosion Behavior of Welding Coarse-Grained Heat-Affected Zone in Niobium-Stabilized Austenitic Stainless Steel".JOURNAL OF THE ELECTROCHEMICAL SOCIETY 165.11(2018):C722-C731.