Deformation and frictional heating in relation to wear in sheet metal stamping

Pereira, Michael P., Okonkwo, Paul C., Yan, Wenyi and Rolfe, Bernard F. 2010, Deformation and frictional heating in relation to wear in sheet metal stamping, Steel research international, vol. 81, no. 9, Special Issue : Proceedings of the 13th International Conference on Metal Forming, pp. 713-716.

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Title Deformation and frictional heating in relation to wear in sheet metal stamping
Author(s) Pereira, Michael P.
Okonkwo, Paul C.
Yan, Wenyi
Rolfe, Bernard F.
Journal name Steel research international
Volume number 81
Issue number 9
Season Special Issue : Proceedings of the 13th International Conference on Metal Forming
Start page 713
End page 716
Total pages 4
Publisher Wiley – VCH Verlag
Place of publication Weinheim, Germany
Publication date 2010-09
ISSN 0177-4832
1869-344X
Keyword(s) sheet metal stamping
tool wear
deformation heating
frictional heating
advanced high strength steel
finite element analysis
Summary In the automotive industry, press production rates often need to be reduced in order to minimize tool wear issues and successfully stamp advanced high strength steels. This indicates that heating affects may be important. This paper examines friction and deformational heating at the die radius during sheet metal stamping, using finite element analysis. The results show that high temperatures, of up to 130°C, can occur at the die radius surface. Such behavior has not been previously reported in the literature, for what is expected to be ‘cold’ sheet metal stamping conditions. It will be shown that the temperature rise is due to the increased contact stresses and increased plastic work, associated with stamping AHSS. Consequently, new insights into the local contact conditions in sheet metal stamping were obtained. The outcomes of this work may impact the wear models and tests employed for future tool wear analyses in sheet metal stamping.
Notes Article first published online 27 Jan. 2011
Language eng
Field of Research 091006 Manufacturing Processes and Technologies (excl Textiles)
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Wiley-VCH Verlag
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033784

Document type: Journal Article
Collection: Centre for Material and Fibre Innovation
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