About this Abstract |
| Meeting |
2026 TMS Annual Meeting & Exhibition
|
| Symposium
|
Advances in Titanium Technology
|
| Presentation Title |
The Effect of Temperature on the Mechanical Behaviour of Ti64 at Low Strain Rates |
| Author(s) |
Xavier Agustin Ojeda, Joćo Quinta da Fonseca, Philip John Withers, Kate Fox, Nigel Martin |
| On-Site Speaker (Planned) |
Xavier Agustin Ojeda |
| Abstract Scope |
Titanium alloys can experience a reduction in fatigue life due to the interaction between cold creep and cyclic loading, a phenomenon known as Cold Dwell Fatigue (CDF).
This work investigates the effect of strain rate and temperature on the macroscopic behaviour of Ti-6Al-4V. Uniaxial tensile tests were performed over a range of strain rates, from 10-3 to 10-7 s-1, and at temperatures between 25 °C and 250 °C, to study their effects on yield strength, work hardening rate and ductility. It was found that at the lower temperatures ductility drops with decreasing strain rate, and the fracture surfaces of samples with lower ductility are more faceted. At higher temperatures, ductility was found to be essentially independent of strain rate.
This work aims to provide insight into the temperature and rate-dependent behaviour of titanium alloys and contribute to understanding the mechanisms governing CDF and the role of temperature. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
Titanium, Mechanical Properties, Characterization |