| About this Abstract |
| Meeting |
2025 TMS Annual Meeting & Exhibition
|
| Symposium
|
Fatigue in Materials: Fundamentals, Multiscale Characterizations and Computational Modeling
|
| Presentation Title |
Crack Behaviour of Hydrogen Embrittled Stainless Steel Analysed Through Thermoelasticity |
| Author(s) |
Pasquale Cavaliere, Francesco Panella, Claudia Barile, Paramsamy Kannan Vimalathithan |
| On-Site Speaker (Planned) |
Pasquale Cavaliere |
| Abstract Scope |
AISI 316L steel was embrittled in hydrogen atmosphere for different times and temperature. This led to different quantities of hydrogen entrapped in the material microstructure. After treatment in hydrogen atmosphere, the hydrogen content in the samples was measured by employing a Leco DH603 instrument. Different temperatures and different times led to a different quantity of hydrogen entrapped in the steel microstructure. In addition, an acousto-ultrasonic method is used to evaluate the level of embrittlement in the samples. Stress waves are simulated through the embrittled samples, and the propagated waves are analysed in their time-frequency domain using continuous wavelet transform. The time-frequency characteristics of the propagated waves are influenced by the embrittlement in the samples. An attempt has been made to build a constitutive model that correlates the time-frequency characteristics of the propagated stress waves and the embrittlement. The crack behaviour of embrittled samples was analysed through thermoelasticity tecniques. |
| Proceedings Inclusion? |
Planned: |