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Modeling of contact pressure in sheet metal forming

Pereira, Michael, Yan, Wenyi and Rolfe, Bernard 2007, Modeling of contact pressure in sheet metal forming, Materials Science Forum, vol. 561, no. 565, pp. 1975-1978.

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Title Modeling of contact pressure in sheet metal forming
Author(s) Pereira, Michael
Yan, Wenyi
Rolfe, Bernard
Journal name Materials Science Forum
Volume number 561
Issue number 565
Start page 1975
End page 1978
Publisher Trans Tech Publications Ltd
Place of publication Aedermannsdorf, Switzerland
Publication date 2007
ISSN 0255-5476
1422-6375
Keyword(s) contact pressure
finite element analysis
sheet metal forming
wear
Summary For a given sheet metal forming process, an accurate determination of the contact pressure distribution experienced is an essential step towards the estimation of tool life. This investigation utilizes finite element (FE) analysis to determine the evolution and distribution of contact pressure over the die radius, throughout the duration of a channel forming process. It was found that a typical two-peak steady-state contact pressure response exists for the majority of the process. However, this was preceded by a transient  response, which produced extremely large and localized contact pressures. Notably, it was found that the peak transient contact pressure was more than double the steady-state peak. These contact pressure results may have a significant influence on the tool wear response and therefore impact current wear testing and prediction techniques. Hence, an investigation into the validity of the predicted contact pressure was conducted.
Notes Book title: PRICM 6
Language eng
Field of Research 090299 Automotive Engineering not elsewhere classified
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category C1 Refereed article in a scholarly journal
Copyright notice ©2007, Trans Tech Publications
Persistent URL http://hdl.handle.net/10536/DRO/DU:30007546

Document type: Journal Article
Collection: School of Engineering and Information Technology
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Created: Mon, 29 Sep 2008, 08:53:21 EST