About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Fatigue in Materials: Fundamentals, Multiscale Characterizations and Computational Modeling
|
| Presentation Title |
Comparative Study on the High Cycle Fatigue Property of the 22MnB5 Hot Roll Bending Tubes With Various Corrosion Resistance |
| Author(s) |
Jingxi Yuan, Bolong Li, Lei Shi, Zhihui Yang, Yulai Gao |
| On-Site Speaker (Planned) |
Jingxi Yuan |
| Abstract Scope |
The evaluation of the fatigue property of automotive components is crucial for the durability design of vehicles. For the tubes aimed to the truck skateboard chassis manufactured via the hot roll bending process, it is necessary to investigate their fatigue property. In the present study, bench fatigue tests were conducted on the 22MnB5 hot roll bending tubes with various corrosion resistances (namely bare tubes, electro-galvanized tubes and hot-dip galvanized tubes) to comparatively study their high cycle fatigue property. The results revealed that microcracks existed on the surface of both the bare and electro-galvanized tubes, triggering the final fatigue failure. That is to say, the surface microcracks could produce an adverse impact on their fatigue property. On the contrary, the microcracks on the surface of those hot-dip galvanized tubes could be successfully healed by liquid Zn during the hot dip process, resultantly improving their fatigue property. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Iron and Steel, Characterization, Surface Modification and Coatings |