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Low-Temperature Superplastic Deformation of Cold-Rolled Fe-5.6Mn-1.1Al-0.2C Steel
Zhang, Hongtao1,2; Cai, Minghui1,3; Zhu, Wanjun4; Sun, Shenghui1,2; Yan, Haile1; Yao, Shengjie5; Luan, Yikun6; Tang, Shuai3; Hodgson, P. D.7
Corresponding AuthorCai, Minghui(caimh@smm.neu.edu.cn)
2022-09-01
Source PublicationMETALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE
ISSN1073-5623
Pages12
AbstractA cold-rolled low Al-added medium Mn steel was employed to investigate the low-temperature superplastic deformation at a relatively high initial strain rate of 10 (2) s(-1). The values of tensile ductility were measured to be 560 to 1170 pct at temperatures ranging from 655 degrees C to 745 degrees C. A maximum tensile elongation of 1170 pct was obtained at 745 degrees C and 10 (2) s(-1), which is the highest low-temperature-high-strain-rate superplasticity in the reported medium Mn steels. The superplastic flow behavior and deformation mechanisms of the low Al-added medium Mn steel were studied in detail by comparing the microstructural changes at various stages during both tensile deformation and isothermal annealing. In contrast to isothermal annealing, tensile deformation accelerated the dynamic recrystallization, phase transformation and partitioning of solid solution elements Mn/Al in austenite and ferrite, respectively. The representative microstructural features (equiaxed grains, random texture and sluggish grain growth) together with m approximate to 0.5 and Q approximate to Q(gb) indicate that Rachinger-type grain boundary sliding (GBS) was the predominant deformation mechanism which is accommodated through the movement of lattice dislocation. (C) The Minerals, Metals & Materials Society and ASM International 2022
Funding OrganizationNatural Science Foundation of China ; Fundamental Research Funding of the Central Universities, China ; Key R&D and Promotion Special Project of Henan Province ; Natural Science Foundation of Shandong Province
DOI10.1007/s11661-022-06790-3
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of China[51671149/U1708252] ; Fundamental Research Funding of the Central Universities, China[N2002002/N180702012] ; Key R&D and Promotion Special Project of Henan Province[212102210444] ; Natural Science Foundation of Shandong Province[ZR2020ME146]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000849294500002
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/175077
Collection中国科学院金属研究所
Corresponding AuthorCai, Minghui
Affiliation1.Northeastern Univ, Sch Mat Sci & Engn, Shenyang 110819, Peoples R China
2.Northeastern Univ, Key Lab Lightweight Struct Mat, Shenyang 110819, Liaoning, Peoples R China
3.Northeastern Univ, State Key Lab Rolling & Automat, Shenyang 110819, Peoples R China
4.Baosteel Cent Res Inst Qingshan, Wuhan 430080, Peoples R China
5.Harbin Inst Technol, Sch Mat Sci & Engn, Weihai 264209, Peoples R China
6.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
7.Deakin Univ, Inst Frontier Mat, Geelong, Vic 3216, Australia
Recommended Citation
GB/T 7714
Zhang, Hongtao,Cai, Minghui,Zhu, Wanjun,et al. Low-Temperature Superplastic Deformation of Cold-Rolled Fe-5.6Mn-1.1Al-0.2C Steel[J]. METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,2022:12.
APA Zhang, Hongtao.,Cai, Minghui.,Zhu, Wanjun.,Sun, Shenghui.,Yan, Haile.,...&Hodgson, P. D..(2022).Low-Temperature Superplastic Deformation of Cold-Rolled Fe-5.6Mn-1.1Al-0.2C Steel.METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE,12.
MLA Zhang, Hongtao,et al."Low-Temperature Superplastic Deformation of Cold-Rolled Fe-5.6Mn-1.1Al-0.2C Steel".METALLURGICAL AND MATERIALS TRANSACTIONS A-PHYSICAL METALLURGY AND MATERIALS SCIENCE (2022):12.
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