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Title
Influence of the pressure dependent coefficient of friction on deep drawing springback predictions
Author
Gil, ImanolMondragon Unibertsitatea
GALDOS, Lander ccMondragon Unibertsitatea
Mendiguren, JosebaMondragon Unibertsitatea
Sáenz de Argandoña, Eneko ccMondragon Unibertsitatea
Mugarra Fernández, EndikaMondragon Unibertsitatea
Research Group
Procesos avanzados de conformación de materiales
Published Date
2016
Publisher
Elsevier Ltd.
Keywords
springback
Friction
strip drawing test
High strength steel
Abstract
The aim of this work is to show the influence of defining a pressure dependent friction coefficient onnumerical springback predictions of a DX54D mild steel, a HSLA380 and a DP780 high strength steel. ... [+]
The aim of this work is to show the influence of defining a pressure dependent friction coefficient onnumerical springback predictions of a DX54D mild steel, a HSLA380 and a DP780 high strength steel. Thepressure dependent friction model of each material wasfitted to the experimental data obtained by StripDrawing tests and then implemented in the numerical simulation of an industrial automotive partdrawing process. The results showed important differences between defining a pressure dependent or aconstant friction coefficient. Finally, the experimental part was produced to compare the real geometrywith the predictions obtained with the different simulation strategies. An improvement of 20–25% inspringback prediction was achieved when using the pressure dependent friction model. [-]
URI
https://hdl.handle.net/20.500.11984/5362
Publisher’s version
http://dx.doi.org/10.1016/j.triboint.2016.07.004
ISSN
0301-679X
Published at
Tribology International  Vol. 103. Pp. 266–273. November, 2016
Document type
Article
Version
Postprint – Accepted Manuscript
Rights
&2016 Elsevier Ltd. All rights reserved
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Open Access
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  • Articles - Engineering [474]

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