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Ultrasonic assisted clinching of aluminium alloy sheets

 
: Heßeln, Frederik; Wanner, Martin-Christoph

:

Groche, Peter:
Tribology in Manufacturing Processes & Joining by Plastic Deformation : Selected, peer reviewed papers from the 6th International Conference on Tribology in Manufacturing Processes & Joining by Plastic Deformation, ICTMP 2014, June 22-24, 2014, Darmstadt, Germany
Dürnten: Trans Tech Publications, 2014 (Advanced materials research 966-967)
ISBN: 978-3-03835-127-6 (Print)
ISBN: 978-3-03795-823-0 (CD-ROM)
ISBN: 978-3-03835-127-6 (Print+CD-ROM)
ISBN: 978-3-03826-510-8 (eBook)
S.641-650
International Conference on Tribology in Manufacturing Processes & Joining by Plastic Deformation (ICTMP) <6, 2014, Darmstadt>
Englisch
Konferenzbeitrag
Fraunhofer IPA ()
Aluminium; Ultraschall; hochfester Werkstoff

Abstract
Ultrasonic assisted clinching applies ultrasonic energy to the punch during the process. Prior studies detected a forming force reduction [1]. Current research activity focusses on the possibility to use the positive effects of ultrasonic softening mechanisms in clinching processes to join high-strength steel and aluminium. An ultrasonic unit with a power of 1 kW was installed into a c-shaped clinching bow to overlay a vibration with a frequency of 20 kHz onto the clinching process. This Paper describes the integration of the ultrasonic unit in the clinching process and presents current research results focusing on concept verification.

: http://publica.fraunhofer.de/dokumente/N-356201.html