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Synergistic improvement of strength and ductility by high magnetic field assisted intercritical annealing in lightweight medium Mn steel

文献类型：期刊论文

作者Chen, Ziyang1,4,5; Li, Hao1,4,5; Lin, Wenhao1,4,5; Feng, Meilong1,4,5; Min, Zeyu1,4,5; Ren, Weili1,4,5; Liang, Xue1,3,4; Zheng, Tianxiang1,4,5; Zhou, Bangfei1,4,5; Zhong, Yunbo1,4,5
刊名MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
出版日期2024-09-01
卷号911
关键词High magnetic field Intercritical annealing Strength and ductility Lightweight medium Mn steel
ISSN号0921-5093
DOI10.1016/j.msea.2024.146933
通讯作者Zheng, Tianxiang(ztx@shu.edu.cn) ; Zhou, Bangfei(zhoubf@shu.edu.cn) ; Zhong, Yunbo(yunboz@shu.edu.cn)
英文摘要The microstructures and mechanical properties of lightweight medium Mn steels were studied by high magnetic field (HMF) assisted intercritical annealing process (HMF-IA). The results show that the volume fraction of retained austenite increased and reached the maximum value of 56.2 % when the magnetic flux density (MFD) was 10 T at first and then decreased with the increase of MFD. The application of 10 T HMF promoted the diffusion ability of carbon atoms into austenite by magnetic stress-driven dislocation movement and increased the volume fraction and grain size of austenite. HMF also played a critical role in dislocation movement and element partitioning during the IA process. Due to the wide range of bimodal size distribution of austenite after the HMF-IA process, stronger transformation induced plasticity effect and twin induced plasticity effect happened in the process of plastic deformation. For the sample annealed under 10 T, comparing with the sample annealed without HMF, the product of strength and elongation value increased from 45.7 GPa & sdot;% to 55.1 GPa & sdot;%. Additionally, it also kept a persistent high strain hardening. The present study provides a new understanding of the role of HMF in adjusting the relationship between microstructure and mechanical properties during the annealing process and opens up a new path for designing industrial medium Mn steel with low cost, high performance and simple process.
WOS关键词TRANSFORMATION-INDUCED PLASTICITY ; STACKING-FAULT ENERGY ; MECHANICAL-PROPERTIES ; AUSTENITE STABILITY ; TENSILE PROPERTIES ; BEHAVIOR ; MICROSTRUCTURE ; DEFORMATION ; STRATEGIES ; DESIGN
资助项目National Natural Science Foundation of China[U23A20607] ; National Natural Science Foundation of China[52304404] ; National Natural Science Foundation of China[U1732276] ; Natural Science Foundation of Shanghai[21ZR1424400] ; Changjiang Scholars Program of China, China Association for Science and Technology Young Talent Support Project
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:001271652500001
出版者ELSEVIER SCIENCE SA
资助机构National Natural Science Foundation of China ; Natural Science Foundation of Shanghai ; Changjiang Scholars Program of China, China Association for Science and Technology Young Talent Support Project
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/137167]  
专题中国科学院合肥物质科学研究院
通讯作者Zheng, Tianxiang; Zhou, Bangfei; Zhong, Yunbo
作者单位1.Shanghai Univ, Shanghai Key Lab Adv Ferrometallurgy, Shanghai 200444, Peoples R China
2.Chinese Acad Sci, Anhui Key Lab Condensed Matter Phys Extreme Condit, High Magnet Field Lab, Hefei 230031, Peoples R China
3.Shanghai Univ, Lab Microstruct, Shanghai 200444, Peoples R China
4.Shanghai Univ, Sch Mat Sci & Engn, Shanghai 200444, Peoples R China
5.Shanghai Univ, State Key Lab Adv Special Steel, Shanghai 200444, Peoples R China
推荐引用方式
GB/T 7714		 Chen, Ziyang,Li, Hao,Lin, Wenhao,et al. Synergistic improvement of strength and ductility by high magnetic field assisted intercritical annealing in lightweight medium Mn steel[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2024,911.
APA Chen, Ziyang.,Li, Hao.,Lin, Wenhao.,Feng, Meilong.,Min, Zeyu.,...&Xi, Chuanying.(2024).Synergistic improvement of strength and ductility by high magnetic field assisted intercritical annealing in lightweight medium Mn steel.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,911.
MLA Chen, Ziyang,et al."Synergistic improvement of strength and ductility by high magnetic field assisted intercritical annealing in lightweight medium Mn steel".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 911(2024).

入库方式： OAI收割

来源：合肥物质科学研究院

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