Partially-recrystallized ferrite grains and multiple plasticity enhancing mechanisms in a medium Mn steel
- Title
- Partially-recrystallized ferrite grains and multiple plasticity enhancing mechanisms in a medium Mn steel
- Author
- 김진경
- Keywords
- Medium Mn steel; Mechanical properties; Transmission electron microscopy (TEM); Deformation; Dislocation
- Issue Date
- 2019-09
- Publisher
- ELSEVIER SCIENCE INC
- Citation
- MATERIALS CHARACTERIZATION, v. 155, Article no. UNSP 109812
- Abstract
- We report initial and deformation microstructures of a Fe-6Mn-0.15C-1.5Si-1Al (wt%) medium Mn steel having an ultrafine duplex microstructure of ferrite and austenite. The cold-rolled and annealed material shows partially recrystallized ferrite grains. The ferrite grains contain screw dislocations formed by dislocation rearrangement upon recovery of deformed martensite. The cold-rolled and annealed material shows the activation of multiple plasticity enhancing mechanisms such as deformation twinning and deformation-induced martensitic transformation. Both partially recrystallized ferrite grains and multiple plasticity enhancing mechanisms could contribute to high yield strength and high strain hardening of the investigated medium Mn steel.
- URI
- https://www.sciencedirect.com/science/article/pii/S1044580319311799https://repository.hanyang.ac.kr/handle/20.500.11754/120891
- ISSN
- 1044-5803; 1873-4189
- DOI
- 10.1016/j.matchar.2019.109812
- Appears in Collections:
- COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MATERIALS SCIENCE AND CHEMICAL ENGINEERING(재료화학공학과) > Articles
- Files in This Item:
There are no files associated with this item.
- Export
- RIS (EndNote)
- XLS (Excel)
- XML