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Hardening and softening mechanisms in a nano-lamellar austenitic steel induced by electropulsing treatment
Ma, YR; Yang, HJ; Tian, YZ; Pang, JC; Zhang, ZF; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
2018-01-24
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume713Pages:146-150
AbstractThe effects of electropulsing treatment (EPT) on the microstructure and corresponding mechanical properties of a nano-lamellar 316L austenitic stainless steel were investigated. The original 316L stainless steel features a nano-lamellar framework with high density of dislocations via cold rolling. The nanostructured stainless steel was hardened and strengthened after EPT with relatively low discharge voltage, which may result from the cooperative effect of stable nano-lamellar structure and mobile dislocations recovery. Both the microhardness and tensile strength would decrease significantly with the increase of discharge voltage due to the nucleation and growth of recrystallized grains in the steel.; The effects of electropulsing treatment (EPT) on the microstructure and corresponding mechanical properties of a nano-lamellar 316L austenitic stainless steel were investigated. The original 316L stainless steel features a nano-lamellar framework with high density of dislocations via cold rolling. The nanostructured stainless steel was hardened and strengthened after EPT with relatively low discharge voltage, which may result from the cooperative effect of stable nano-lamellar structure and mobile dislocations recovery. Both the microhardness and tensile strength would decrease significantly with the increase of discharge voltage due to the nucleation and growth of recrystallized grains in the steel.
description.department[ma, y. r. ; yang, h. j. ; tian, y. z. ; pang, j. c. ; zhang, z. f.] chinese acad sci, shenyang natl lab mat sci, inst met res, shenyang 110016, liaoning, peoples r china ; [ma, y. r.] univ sci & technol china, dept mat sci & engn, hefei 230026, anhui, peoples r china
KeywordInduced Phase-transformations Severe Plastic-deformation Al-based Alloy Electric-current Stainless-steel Current-density Grain-refinement Ti-6al-4v Alloy Microstructure Behavior
Subject AreaNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China [51501196, 51331007]; IMR Foundation for "Young merit scholars" [2017235]; Youth Innovation Promotion Association CAS [2017235]
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/79568
Collection中国科学院金属研究所
Corresponding AuthorYang, HJ; Zhang, ZF (reprint author), Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China.
Recommended Citation
GB/T 7714
Ma, YR,Yang, HJ,Tian, YZ,et al. Hardening and softening mechanisms in a nano-lamellar austenitic steel induced by electropulsing treatment[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,713:146-150.
APA Ma, YR,Yang, HJ,Tian, YZ,Pang, JC,Zhang, ZF,&Zhang, ZF .(2018).Hardening and softening mechanisms in a nano-lamellar austenitic steel induced by electropulsing treatment.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,713,146-150.
MLA Ma, YR,et al."Hardening and softening mechanisms in a nano-lamellar austenitic steel induced by electropulsing treatment".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 713(2018):146-150.
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