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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 The Elevated Temperature High Cycle Fatigue Behavior of an Additively Manufactured Al-Ce-Ni-Mn Alloy
Author(s) Amit Shyam, Sumit Bahl, Alex Plotkowski, Joseph Simpson, Richard Michi, Kevin Sisco, Ryan Dehoff, Allen Haynes, Qigui Wang
On-Site Speaker (Planned) Amit Shyam
Abstract Scope In his long and illustrious career at the University of Michigan, Prof. J Wayne Jones also pioneered the methods for relating the fatigue life of cast aluminum alloys to their porosity distribution. In the present work, application of a similar methodology to predict the 350oC high cycle fatigue life of an additively manufactured Al-Ce-Ni-Mn alloy will be discussed. It will be demonstrated that with well controlled additive processing schemes, the likely crack initiating features including porosity are considerably refined. Impurities such as oxide particles become crack initiation sites and a model incorporating the effect of the size and distribution of these oxides on the fatigue life will be presented. Based on the results, the authors will make a case for the considerable promise of additively manufactured aluminum alloys for elevated temperature applications.
Proceedings Inclusion? Planned:
Keywords Aluminum, Additive Manufacturing, 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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