On the definition of an kinematic hardening effect graph for sheet metal forming process simulations

Mendiguren,J, Rolfe,B and Weiss,M 2015, On the definition of an kinematic hardening effect graph for sheet metal forming process simulations, International Journal of Mechanical Sciences, vol. 92, pp. 109-120, doi: 10.1016/j.ijmecsci.2014.12.005.

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Title On the definition of an kinematic hardening effect graph for sheet metal forming process simulations
Author(s) Mendiguren,J
Rolfe,BORCID iD for Rolfe,B orcid.org/0000-0001-8516-6170
Weiss,MORCID iD for Weiss,M orcid.org/0000-0002-1845-6343
Journal name International Journal of Mechanical Sciences
Volume number 92
Start page 109
End page 120
Publisher Elsevier Ltd
Publication date 2015
ISSN 0020-7403
Keyword(s) Bauschinger effect
Bending test
Finite element analysis
Hardening model
High strength steel
Strain-path reversal
Summary The objective of this work is to develop a kinematic hardening effect graph (KHEG) which can be used to evaluate the effect of kinematic hardening on the model accuracy of numerical sheet metal forming simulations and this without the need of complex material characterisation. The virtual manufacturing process design and optimisation depends on the accuracy of the constitutive models used to represent material behaviour. Under reverse strain paths the Bauschinger effect phenomenon is modelled using kinematic hardening models. However, due to the complexity of the experimental testing required to characterise this phenomenon in this work the KHEG is presented as an indicator to evaluate the potential benefit of carrying out these tests. The tool is validated with the classic three point bending process and the U-channel width drawbead process. In the same way, the capability of the KHEG to identify effects in forming processes that do not include forming strain reversals is identified.
Language eng
DOI 10.1016/j.ijmecsci.2014.12.005
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
Grant ID AutoCRC Project 3-105
Copyright notice ©2015, Elsevier
Persistent URL http://hdl.handle.net/10536/DRO/DU:30069948

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