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Torsional deformation-induced gradient hierarchical structure in a 304 stainless steel
Tian, Jia-long1; Hu, Guang2,3; Wang, Wei2; Shan, Yi-yin2; Jiang, Zhou-hua1,4
Corresponding AuthorWang, Wei(wangw@imr.ac.cn) ; Jiang, Zhou-hua(jiangzh@smm.neu.edu.cn)
2021-01-04
Source PublicationJOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL
ISSN1006-706X
Pages7
AbstractAfter applying torsion to cylindrical 304 stainless steel samples, a gradient structure along the radial direction was obtained. It was found that the volume fraction of alpha '-martensite increased gradually from the center to the surface of samples. The possibility of deformation-induced martensitic transformation was analyzed theoretically, whose conclusions were consistent with the experimental results. It was found that torsional deformation could produce abundant deformation twin and deformation-induced martensite, which could affect the tensile property of steel distinctly. The existence of deformation and martensite during torsion could increase the strength but deteriorate the ductility dramatically during the tensile test, which should be attributed to the weakening of work hardening ability. As a result of severe deformation, both strain-induced and stress-induced martensite have been observed. Also, two types of martensitic transformation mechanisms during torsional deformation were discussed.
KeywordGradient material Torsional deformation Thermodynamic calculation 304 stainless steel Martensitic transformation
Funding OrganizationNational Natural Science Foundation of China ; Youth Innovation Promotion Association of CAS ; Fundamental Research Funds for the Central Universities
DOI10.1007/s42243-020-00526-6
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51472249] ; Youth Innovation Promotion Association of CAS[2017233] ; Fundamental Research Funds for the Central Universities[N2024005-4]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000604801600003
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/158931
Collection中国科学院金属研究所
Corresponding AuthorWang, Wei; Jiang, Zhou-hua
Affiliation1.Northeastern Univ, Sch Met, Shenyang 110819, Liaoning, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
3.Shenyang RongRong Sci & Technol Co Ltd, Shenyang 110000, Liaoning, Peoples R China
4.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Tian, Jia-long,Hu, Guang,Wang, Wei,et al. Torsional deformation-induced gradient hierarchical structure in a 304 stainless steel[J]. JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,2021:7.
APA Tian, Jia-long,Hu, Guang,Wang, Wei,Shan, Yi-yin,&Jiang, Zhou-hua.(2021).Torsional deformation-induced gradient hierarchical structure in a 304 stainless steel.JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL,7.
MLA Tian, Jia-long,et al."Torsional deformation-induced gradient hierarchical structure in a 304 stainless steel".JOURNAL OF IRON AND STEEL RESEARCH INTERNATIONAL (2021):7.
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