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Sliding distance, contact pressure and wear in sheet metal stamping

Pereira, Michael P., Yan, Wenyi and Rolfe, Bernard F. 2010, Sliding distance, contact pressure and wear in sheet metal stamping, Wear, vol. 268, no. 11-12, pp. 1275-1284.

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Title Sliding distance, contact pressure and wear in sheet metal stamping
Author(s) Pereira, Michael P.
Yan, Wenyi
Rolfe, Bernard F.
Journal name Wear
Volume number 268
Issue number 11-12
Start page 1275
End page 1284
Total pages 10
Publisher Elsevier BV
Place of publication Amsterdam, The Netherlands
Publication date 2010-05-12
ISSN 0043-1648
1873-2577
Keyword(s) sliding distance
contact pressure
wear
finite element analysis
sheet metal stamping
Summary This paper directly examines the contact sliding distance experienced during a typical sheet metal stamping process-an area that has largely been neglected in the literature. A method to numerically quantify the sliding distance is proposed. The sliding distance predicted from this method, and the contact pressure obtained from numerical simulation, allow the recently identified time-dependent contact conditions on the die and blank surfaces to be completely characterized. Consequently, a new insight into the wear/galling that occurs at the die radius in sheet metal stamping is gained. The results show that the region close to zero degrees on the die radius is likely to experience the most wear, with the identified transient stage contributing to a large proportion of the total wear. Additionally, the region on the blank surface often observed to be heavily burnished - the die impact line - is estimated to experience the highest wear severity due to the transient contact conditions. The proposed method to numerically quantify the sliding contact conditions can be applied as a general approach to study any other two-body sliding contact situations.
Language eng
Field of Research 091307 Numerical Modelling and Mechanical Characterisation
Socio Economic Objective 861205 Sheet Metal Products
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2010
Copyright notice ©2010, Elsevier B.V.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30033786

Document type: Journal Article
Collections: Centre for Material and Fibre Innovation
School of Engineering
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