论文信息 - Ultrasonic butt welding of aluminium, anticorrosive aluminium and copper plate specimens

Ultrasonic butt welding of aluminium, anticorrosive aluminium and copper plate specimens

Ultrasonic butt welding of thick metal plate specimens is studied. Welding specimens used are aluminium, anticorrosive aluminium, and copper plates of 6-mm thickness. These welding specimens are successfully joined end to end with specimen strength of about 100 MPa (pure aluminium) or 250 MPa (anticorrosive aluminium) using 26-kHz or 19-kHz butt welding equipment. An ultrasonic vibration source of 19 kHz uses eight bolt-clamped Langevin-type PZT transducers of 50-mm diameter. The power required for joining aluminium, anticorrosive aluminium specimens, and anticorrosive aluminium to copper specimens is found to be 1-3 kW/cm/sup 2/, 6-8 kW/cm/sup 2/, and 7-9 kW/cm/sup 2/, respectively.<<ETX>>

J. Tsujino | T. Ueoka

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