Superior strain-hardening by deformation-induced nano-HCP martensite in Fe-Mn-Si-C high-manganese steel
SCIE
SCOPUS
- Title
- Superior strain-hardening by deformation-induced nano-HCP martensite in Fe-Mn-Si-C high-manganese steel
- Authors
- Xiong, Renlong; Peng, Huabei; Zhang, Tuanwei; Bae, Jae Wung; Kim, Hyoung Seop; Wen, Yuhua
- Date Issued
- 2021-09
- Publisher
- ELSEVIER SCIENCE SA
- Abstract
- We propose that high strain-hardening in face-centered cubic (FCC) crystals containing interstitial atoms could be achieved through the formation of nanoscale hexagonal close-packed (HCP) martensite with severe lattice distortions. Our experimental results showed that carbon atoms could more effectively prevent the HCP martensite from thickening and result in the formation of nano-HCP martensite. This caused a higher strainhardening rate in FeMnSiC steel with heavy carbon than in FeMnSiCrNi steel with trace carbon though the HCP martensite transformation kinetics was almost the same in these two steels.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/109054
- DOI
- 10.1016/j.msea.2021.141864
- ISSN
- 0921-5093
- Article Type
- Article
- Citation
- MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, vol. 824, 2021-09
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