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Meeting Materials Science & Technology 2019
Symposium Formability and Fracture of Metal Sheets
Presentation Title Effect of Ultrasonic-assisted Two-point Incremental Sheet Forming (UA-TPIF) on Surface Finish
Author(s) Randy Cheng, Ankush Bansal, Xun Liu, Alan Taub
On-Site Speaker (Planned) Randy Cheng
Abstract Scope Incremental sheet forming (ISF) is an innovative manufacturing method by which a hemispherical-tool locally deforms a metal sheet by following a designed tool path. As an alternative method to stamping, incremental forming provides added customization and flexibility. Ultrasonic-assisted ISF is a new manufacturing process that adds a longitudinal vibration along the length of the tool using a piezo-electric transducer. In this study, Aluminum 7075-O metal sheets were formed at room temperature in two-point ISF with and without ultrasonic vibration. The effect of the ultrasonic vibrations on the surface finish and morphology is discussed.
Proceedings Inclusion? Definite: At-meeting proceedings


A Method to Predict the Ductile Fracture of Metal Sheets under Complex Plane Stress
Anisotropic and Time-dependent Continuum Damage Coupled Plasticity Model for Predicting Ductile Fracture of AA 6xxx
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Distortional Anisotropic Hardening Model for Describing Complex Bauschinger and Transient Effects in Metal Forming Simulations
Edge Stretchability of Hot Rolled High-strength Low-alloy Steel
Effect of Ultrasonic-assisted Two-point Incremental Sheet Forming (UA-TPIF) on Surface Finish
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