Abstract:The ultrasonic vibration assisted compression process is analyzed from the viewpoint of the impact dynamics. The typical metal forming patterns are studied based on the theory of wave propagation in solid. The effects of the geometry scale, friction, material parameters, ultrasonic amplitude and ultrasonic frequency on the forming process are analyzed. A combined parameter is proposed to evaluate the impact of the ultrasonic vibration on the specimen. The typical metal forming parttern are demonstrated by the … Show more
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