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Meeting MS&T21: Materials Science & Technology
Symposium Light Metal Technology
Presentation Title Ultrasonic Effects on Plastic Deformation Behavior of AA2024
Author(s) Jiarui Kang, Randy Cheng, Xun Liu, Alan Taub
On-Site Speaker (Planned) Jiarui Kang
Abstract Scope Plastic behavior of aluminum alloy 2024 under the influence of ultrasonic vibration is studied with micro-tensile tests. The gauge length of the specimen is designed one order of magnitude smaller than the wavelength of ultrasonic vibration. With this configuration, reduction of flow stress is observed as ultrasonic vibration is applied. The softening effect is more significant with increasing ultrasonic amplitude. Digital image correlation (DIC) analysis shows a change in strain distribution when ultrasonic vibration is applied. Electron backscatter diffraction (EBSD) characterization was performed to understand the ultrasonic effects on microstructural evolution and its relationship to the observed mechanical behavior.


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Ultrasonic Effects on Plastic Deformation Behavior of AA2024

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