| Improvement of Mechanical Properties of a Medium-Mn TRIP Steel by Precursor Microstructure Control | |
| Hu, Bao-Jia1,2; Zheng, Qin-Yuan1,2; Jia, Chun-Ni1,2; Liu, Peng1,2; Luan, Yi-Kun1; Zheng, Cheng-Wu1; Li, Dian-Zhong1 | |
| Corresponding Author | Zheng, Cheng-Wu(cwzheng@imr.ac.cn) ; Li, Dian-Zhong(dzli@imr.ac.cn) |
| 2021-11-22 | |
| Source Publication | ACTA METALLURGICA SINICA-ENGLISH LETTERS
 |
| ISSN | 1006-7191 |
| Pages | 11 |
| Abstract | An approach of optimizing the intercritical annealing path in a 0.2C-5Mn medium-Mn steel is presented by introducing precursor microstructure prior to normal austenite reverted transformation (ART) annealing. The steel is firstly pre-annealed at different intercritical temperatures to form designed precursor microstructures. Then, they are employed for subsequent conventional ART annealing processing. It is found that pre-annealing at relative high intercritical temperatures can promote precipitation and dissolution of the carbide in the steel and re-distribute the C and Mn in the microstructures. The produced microstructural precursors show excellent merits in accelerating the austenite reversions in subsequent normal ART processing and assisting the RA formation. Tensile testing reveals that the excellent strength-elongation balance can be achieved in the heat-treated samples using different microstructural precursors, which suggests the potential applicability in producing the medium-Mn steels with shortened processing period. |
| Keyword | Medium-Mn steel Austenite reversion Retained austenite Precursor microstructure Mechanical properties |
| Funding Organization | National Natural Science Foundation of China |
| DOI | 10.1007/s40195-021-01355-6 |
| Indexed By | SCI |
| Language | 英语 |
| Funding Project | National Natural Science Foundation of China[52071322] ; National Natural Science Foundation of China[51771192] ; National Natural Science Foundation of China[U1708252] |
| WOS Research Area | Metallurgy & Metallurgical Engineering |
| WOS Subject | Metallurgy & Metallurgical Engineering |
| WOS ID | WOS:000721448300001 |
| Publisher | CHINESE ACAD SCIENCES, INST METAL RESEARCH |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://ir.imr.ac.cn/handle/321006/167357 |
| Collection | 中国科学院金属研究所 |
| Corresponding Author | Zheng, Cheng-Wu; Li, Dian-Zhong |
| Affiliation | 1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China |
| Recommended Citation GB/T 7714 | Hu, Bao-Jia,Zheng, Qin-Yuan,Jia, Chun-Ni,et al. Improvement of Mechanical Properties of a Medium-Mn TRIP Steel by Precursor Microstructure Control[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2021:11. |
| APA | Hu, Bao-Jia.,Zheng, Qin-Yuan.,Jia, Chun-Ni.,Liu, Peng.,Luan, Yi-Kun.,...&Li, Dian-Zhong.(2021).Improvement of Mechanical Properties of a Medium-Mn TRIP Steel by Precursor Microstructure Control.ACTA METALLURGICA SINICA-ENGLISH LETTERS,11. |
| MLA | Hu, Bao-Jia,et al."Improvement of Mechanical Properties of a Medium-Mn TRIP Steel by Precursor Microstructure Control".ACTA METALLURGICA SINICA-ENGLISH LETTERS (2021):11. |
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