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Enhanced mechanical properties and corrosion resistance of 316L stainless steel by pre-forming a gradient nanostructured surface layer and annealing
Lei, Y. B.1; Wang, Z. B.1; Zhang, B.1; Luo, Z. P.1; Lu, J.2; Lu, K.1
Corresponding AuthorWang, Z. B.(zbwang@imr.ac.cn)
2021-04-15
Source PublicationACTA MATERIALIA
ISSN1359-6454
Volume208Pages:11
AbstractStainless steels with high mechanical properties and corrosion resistance are promising structural materials for the next generation of aerospace and some niche industries. In this work, we pre-formed a gradient nanostructured (GNS) surface layer on 316L stainless steel by surface mechanical rolling treatment (SMRT) and subsequently annealed it at 700 degrees C. Tensile tests showed that the strength-ductility synergy was enhanced in the annealed-SMRT sample, while the grain size and hardness in the GNS layer retained rather stable. In addition, a remarkable Cr-enrichment was found in the GNS surface layer after annealing, resulting in a significantly enhanced corrosion resistance. The underlying mechanisms on the microstructure, composition and phases evolutions, as well as their effects on deformation and corrosion behavior, were analyzed in the annealed-SMRT sample. This work provides insights on developing a simple thermomechanical approach to produce stainless steels with enhanced mechanical properties and corrosion resistance. (C) 2021 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordGradient nanostructured Surface mechanical rolling treatment 316L stainless steel Mechanical property Corrosion resistance
Funding OrganizationNational Key Research and Development Program of China ; Chinese Academy of Sciences ; Liaoning Revitalization Talents Program ; Shenyang National Laboratory for Materials Science ; National Natural Science Foundation of China
DOI10.1016/j.actamat.2021.116773
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2017YFA0204401] ; National Key Research and Development Program of China[2017YFA0204403] ; Chinese Academy of Sciences[XDC04030301] ; Liaoning Revitalization Talents Program[XLYC1808008] ; Shenyang National Laboratory for Materials Science[2015RP04] ; National Natural Science Foundation of China[U1608257]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000636045300050
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/162361
Collection中国科学院金属研究所
Corresponding AuthorWang, Z. B.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
2.City Univ Hong Kong, Dept Mech Engn, Hong Kong, Peoples R China
Recommended Citation
GB/T 7714
Lei, Y. B.,Wang, Z. B.,Zhang, B.,et al. Enhanced mechanical properties and corrosion resistance of 316L stainless steel by pre-forming a gradient nanostructured surface layer and annealing[J]. ACTA MATERIALIA,2021,208:11.
APA Lei, Y. B.,Wang, Z. B.,Zhang, B.,Luo, Z. P.,Lu, J.,&Lu, K..(2021).Enhanced mechanical properties and corrosion resistance of 316L stainless steel by pre-forming a gradient nanostructured surface layer and annealing.ACTA MATERIALIA,208,11.
MLA Lei, Y. B.,et al."Enhanced mechanical properties and corrosion resistance of 316L stainless steel by pre-forming a gradient nanostructured surface layer and annealing".ACTA MATERIALIA 208(2021):11.
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