| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 7952023 | Journal of Materials Science & Technology | 2018 | 5 Pages |
Abstract
A bulk nanostructured twinning-induced plasticity (TWIP) steel with high ductility and high strength was fabricated by cryogenic asymmetry-rolling (cryo-ASR) and subsequent recovery treatment. It was found that the cryo-ASRed TWIP steels exhibit simultaneous improvements in the ductility, strength and work hardening. Typical microstructures of the cryo-ASR TWIP steel were characterized by shear bands and intensive mechanical nano-sized twins induced by cryogenic deformation. These mechanical nano-scale twins remain thermally stable during the subsequent recovery treatment. It is believed that the ductility enhancement and high work-hardening ability for the cryo-ASR TWIP steels should be mainly attributed to the high-density pre-existing nano-scale twins.
Related Topics
Physical Sciences and Engineering
Materials Science
Materials Chemistry
Authors
Bin Fu, Liming Fu, Shichang Liu, Huan Rong Wang, Wei Wang, Aidang Shan,