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Coating of deep rolled and hammer peened deep drawing tools

: Steitz, M.; Weigel, K.; Weber, M.; Scheil, J.; Müller, C.


Merklein, M. ; Wissenschaftliche Gesellschaft für Produktionstechnik -WGP-:
WGP Congress 2013. Progress in production engineering : July 23 - 24, 2013, Erlangen, Germany
Durnten-Zurich: TTP, 2013 (Advanced materials research 769)
ISBN: 978-3-03785-791-5
Wissenschaftliche Gesellschaft Produktionstechnik (WGP Congress) <3, 2013, Erlangen>
Conference Paper
Fraunhofer IST ()
coating; surface modification; die; machine hammer peening; deep rolling

Mechanical surface treatments like machine hammer peening and deep rolling can substitute an essential part of the manual polishing time in the conventional process chain of die and mold production. However, the increasing use of high strength steels in the automotive industry and the associated wear of deep drawing tools require further wear-protection methods. In this context it is still unknown if hammer peened and deep rolled surfaces can ensure a sufficient adhesive strength of a coating. Therefore, in the present work different coatings are applied on hammer peened and deep rolled surfaces. Finally, the wear behavior is examined in the strip drawing test. The evaluation of the experimental results proves the potential for an industrial application of the mechanically treated and coated tools.