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Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel
Zhang, H.1; Xue, P.1; Wu, L. H.1; Song, Q. N.2; Wang, D.1; Xiao, B. L.1; Ma, Z. Y.1
Corresponding AuthorXue, P.(pxue@imr.ac.cn) ; Ma, Z. Y.(zyma@imr.ac.cn)
2020-09-01
Source PublicationCORROSION SCIENCE
ISSN0010-938X
Volume174Pages:10
AbstractHigh-performance high nitrogen stainless steel (HNS) with ultra-high strength up to similar to 1.7 GPa and excellent corrosion resistance was successfully obtained by friction stir processing. The simultaneous enhancement in strength and corrosion resistance was mainly attributed to the grain ultra-refinement. Uniform ultrafine-grained microstructure (similar to 225 nm) significantly improved the repassivation behavior of HNS. With significantly increased element diffusion rate and element content, the passive film formed on the ultrafine-grained HNS showed high resistance to the nucleation and growth of pits. Grain ultra-refinement was confirmed to be an effectual method for improving corrosion resistance of HNS without sacrificing strength.
KeywordStainless steel Scratching electrode Potentiostatic XPS Repassivation
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association of the Chinese Academy of Sciences
DOI10.1016/j.corsci.2020.108847
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51671190] ; National Natural Science Foundation of China[51901225] ; Youth Innovation Promotion Association of the Chinese Academy of Sciences[2017236]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000569362400002
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140520
Collection中国科学院金属研究所
Corresponding AuthorXue, P.; Ma, Z. Y.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.Hohai Univ, Coll Mech & Elect Engn, 200 Jinling North Rd, Changzhou 213022, Peoples R China
Recommended Citation
GB/T 7714
Zhang, H.,Xue, P.,Wu, L. H.,et al. Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel[J]. CORROSION SCIENCE,2020,174:10.
APA Zhang, H..,Xue, P..,Wu, L. H..,Song, Q. N..,Wang, D..,...&Ma, Z. Y..(2020).Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel.CORROSION SCIENCE,174,10.
MLA Zhang, H.,et al."Effect of grain ultra-refinement on corrosion behavior of ultra-high strength high nitrogen stainless steel".CORROSION SCIENCE 174(2020):10.
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