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  4. Deep drawing of metal sheets with integrated piezo-metal substructures
 
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2013
Conference Paper
Title

Deep drawing of metal sheets with integrated piezo-metal substructures

Other Title
Tiefziehen von Blechen mit integrierten Piezo-Metall-Substrukturen
Abstract
Piezo-metal substructures are a new approach for function integration in sheet metal parts. The surface of plane aluminum sheets is structured with parallel micro cavities by micro impact extrusion. Piezoceramic fibers are inserted in this cavities and a force-locked connection is established using joining by forming. The plane sheets are then shaped to a 3D-geometry by deep drawing. The process chain and the design constraints for the integration of the piezoceramic fibers are presented. Within the scope of the paper, results of a numerical and experimental study of micro impact extrusion, joining by forming and deep drawing are summarized. Thereby, good accordance between simulation and exper-iments has been achieved.
Author(s)
Neugebauer, Reimund  
Schubert, Andreas  
Drossel, Welf-Guntram  
Lachmann, Lutz
Koriath, Hans-Joachim  
Jahn, Stephan F.
Nestler, Matthias  
Hensel, Sebastian  
Müller, M.
Müller, B.
Mainwork
4th Scientific Symposium "Lightweight Design by Integrating Functions" 2013. Proceedings  
Conference
Scientific Symposium "Lightweight Design by Integrating Functions" 2013  
Language
English
Fraunhofer-Institut für Werkzeugmaschinen und Umformtechnik IWU  
Keyword(s)
  • piezo-metal substructure

  • deep-drawing

  • piezoceramic fiber

  • simulation

  • function integration

  • micro cavities

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