| About this Abstract |
| Meeting |
2023 TMS Annual Meeting & Exhibition
|
| Symposium
|
High Performance Steels
|
| Presentation Title |
The Relationship between Hydrogen Embrittlement Behavior and Pre-strain Level of Medium-Mn Steel |
| Author(s) |
Hyuck Wook Lee, Tak Min Park, Hye-Jin Kim, Jeongho Han |
| On-Site Speaker (Planned) |
Hyuck Wook Lee |
| Abstract Scope |
Medium-Mn steels with the compositions of Fe-(3-12)Mn-(<0.3)C-xAl (wt.%) have been widely investigated during the last decades, due to their reasonable balance between material cost and mechanical properties. However, regarding the weakness of the corresponding steels, the severe hydrogen embrittlement (HE) has been considered as another challenge for the commercialization of the steels; the several reports had reported the HE resistance and H-assisted cracking behavior of the steels. The most of previous studies had focused on the medium-Mn steel prior to the deformation (i.e., as-annealed-state), and this is considered as limitation because the hydrogen atoms could be introduced to the steel during product assembling or service environment. That is, for the commercialization, the HE resistance should be investigated using the steels after deformation. In the present study, we systematically investigated the HE resistance and mechanisms of medium-Mn steels using Fe-7Mn-0.2C-3Al (wt.%) model alloys strained from 0% to 45%. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Iron and Steel, Mechanical Properties, Phase Transformations |