Journal article
Hall-Petch strengthening in Fe-34.5Mn-0.04C steel cold-rolled, partially recrystallized and fully recrystallized
Yanshan University1
Department of Wind Energy, Technical University of Denmark2
Department of Mechanical Engineering, Technical University of Denmark3
Materials and Surface Engineering, Department of Mechanical Engineering, Technical University of Denmark4
Materials science and characterization, Department of Wind Energy, Technical University of Denmark5
An Fe-34.5Mn-0.04C steel has been processed by cold rolling and annealing to prepare samples with a lamellar structure, a recrystallized grain structure and a composite structure of layers of recovered and recrystallized structures. For the recrystallized grain structure and the lamellar structure, the flow stress has been analyzed by applying Hall-Petch formulations.
For the composite structure, the rule of mixture has been applied to calculate the flow stress, revealing an extra strengthening from a constraint effect. An excellent combination of strength and ductility has been found in a composite with 10% hard lamellae in a recrystallized grain structure.
| Language: | English |
|---|---|
| Year: | 2018 |
| Pages: | 41-45 |
| ISSN: | 13596462 and 18728456 |
| Types: | Journal article |
| DOI: | 10.1016/j.scriptamat.2018.06.019 |
| ORCIDs: | Huang, X. |
