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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 Understanding Fatigue Damage of Metallic Materials in 4D: Probing Microstructural Evolution in Real-time
Author(s) Nikhilesh Chawla
On-Site Speaker (Planned) Nikhilesh Chawla
Abstract Scope For decades, Prof. Wayne Jones has worked on many areas related to the mechanical behavior of materials. Some of his most important contributions have been in the area of fatigue of lightweight materials. Advances in experimental methods, analytical techniques, and computational approaches, have now enabled the development of in situ techniques that allow us to probe the behavior of materials in real-time. In this talk, I will describe experiments and simulations that address the critical link between microstructure and fatigue behavior of metallic materials, by using a three-dimensional (3D) virtual microstructure obtained by x-ray synchrotron tomography. The approach involves capturing the microstructure by sophisticated in situ testing in an x-ray synchrotron, followed by x-ray tomography and image analysis, and 3D reconstruction of the microstructure. Fundamental damage and crack growth phenomena in aluminum alloys and their composites under cyclic loading and in a corrosive environment will be presented and discussed.
Proceedings Inclusion? Planned:
Keywords Mechanical Properties, Aluminum, Characterization


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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