Ultrafine grained dual phase steel consisting of ferrite and martensite of ∼1 μm was processed by equal channel angular pressing and subsequent intercritical annealing. This steel exhibited the superior combination of higher strength, larger elongation and more rapid strain hardening compared to those of coarse grained dual phase steel.
Bibliographical noteFunding Information:
This work was supported by Ministry of Science and Technology of Korea through ‘National Research Laboratory Program’.
All Science Journal Classification (ASJC) codes
- Materials Science(all)
- Condensed Matter Physics
- Mechanics of Materials
- Mechanical Engineering
- Metals and Alloys