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Title: Determination of the flow stress and contact friction of sheet metal in a multi-layered upsetting test
Authors: Coppieters, Sam ×
Lava, Pascal
Van Bael, Albert
Van Houtte, Paul
Debruyne, Dimitri #
Issue Date: 2010
Publisher: Elsevier
Series Title: Journal of Materials Processing Technology vol:210 pages:1290-1296
Abstract: This paper describes the identification of hardening parameters of DCO5 sheet metal and contact friction coefficients using a multi-layered upsetting test (MLUT), the modified two specimen method (MTSM) and a finite element based inverse method The MTSM is adopted in order to identify the friction coefficient between the tools and the stacked circular specimens which are cut from the base material by spark erosion Next, the hardening behaviour is identified inversely by combining the results of a MLUT and finite element simulations of the test setup Finally, the results are compared with standard tensile tests and it is shown that the MLUT is a viable alternative for the identification of the local hardening behaviour of sheet metal where standard test specimens cannot be prepared due to size limitations of the specimen (C) 2010 Elsevier B V All rights reserved
URI: 
ISSN: 0924-0136
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Mechanical Metallurgy Section (-)
Department of Materials Engineering - miscellaneous
Materials Technology TC, Technology Campuses Ghent and Aalst
Technologiecluster Materialentechnologie
Materials Technology TC, Technology Campus Diepenbeek
× corresponding author
# (joint) last author

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