Joint Quality Assessment of Ultrasonic Metal Welded Parts by Fracture Surface Evaluation
Florian W. Müller,
Haolin Zhao,
Alexander Schiebahn
et al.
Abstract:In ultrasonic metal welding, low specific resistances and large joining surface cross-sections require the use of mechanical testing to quantify the joint quality. In this study, different quality features of ultrasonically welded joints made of pure copper sheet are investigated during the successive phases of joint formation. Two test series with different workpiece geometries are examined. It is shown that mechanical quality features such as shear and peel forces behave differently over the formation of the… Show more
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