| About this Abstract |
| Meeting |
2022 TMS Annual Meeting & Exhibition
|
| Symposium
|
Failure, and a Career That is Anything But: An LMD Symposium Honoring J. Wayne Jones
|
| Presentation Title |
Hold Time Low Cycle Fatigue of Ni-base Single-crystal Superalloys |
| Author(s) |
Akane Suzuki |
| On-Site Speaker (Planned) |
Akane Suzuki |
| Abstract Scope |
Compressive hold time low cycle fatigue is one of the important damage modes in Ni-based superalloy components in aircraft engines and power generation gas turbines. In this study, the hold-time LCF and crack growth mechanisms in single-crystal superalloys were investigated as functions of temperature, strain range and hold time. It was observed that different crack growth mechanisms become dominant depending on temperature and strain range. Roles of a thermally grown oxide layer and a bond coat were evaluated based on observation and modeling of crack growth behavior. |
| Proceedings Inclusion? |
Planned: |
| Keywords |
High-Temperature Materials, Environmental Effects, Mechanical Properties |