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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

OTHER PAPERS PLANNED FOR THIS SYMPOSIUM

Accelerating Understanding of Fatigue of Metals
Automotive Unobtanium: Material Challenges for the Future of Transportation
Capturing the Full Range
Contributions of R. F. Mehl (Carnegie-Mellon University; 1932-76) to Metal Fatigue
Hold Time Low Cycle Fatigue of Ni-base Single-crystal Superalloys
Redefining Liquid Metal Embrittlement: Utilizing Machine Learning to Unravel a Liquid Metal Enigma
Reducing Uncertainty: Reflections on Establishing Life Limits
Strain Localization and Very High Cycle Fatigue
Tear Resistance of AA7075-T6 Sheet at Room Temperature and 200 C
The Elevated Temperature High Cycle Fatigue Behavior of an Additively Manufactured Al-Ce-Ni-Mn Alloy
Understanding Fatigue Damage of Metallic Materials in 4D: Probing Microstructural Evolution in Real-time
Very High Cycle Fatigue (VHCF) Phenomena – Influence of Microstructure on Crack Growth in the Near-threshold Regime Investigated by Means of Ultrasonic Fatigue Testing

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