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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 Reducing Uncertainty: Reflections on Establishing Life Limits
Author(s) James M. Larsen, Sushant K. Jha, Reji John, Andrew H. Rosenberger, Dennis J. Buchanan, John J. Porter, III, Adam L. Pilchak, Patrick J. Golden
On-Site Speaker (Planned) James M. Larsen
Abstract Scope Uncertainty in fatigue life prediction is among the most limiting structural design factors for fracture-critical metallic components in advanced aerospace systems. This presentation will highlight sources of variability and uncertainty in fatigue, and will offer insights into factors that control the lower-bound fatigue life limit. Anchored in the principles of damage tolerance, a perspective will be outlined for modeling fatigue life limits and for deconstructing the sources of variability in fatigue response. The approach seeks to optimize safety, reliability, and affordability, while utilizing the alloy’s full inherent performance capability. Efforts to validate such probabilistic models vs. field experience are finding new opportunities through emerging tools for microstructural characterization, health awareness, and Integrated Computational Materials Science.
Proceedings Inclusion? Planned:
Keywords Mechanical Properties,


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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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