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Multi-scale modelling of DP590 steel

Nikhare, C., Asgari, A., Weiss, M. and Hodgson, P. D. 2009, Multi-scale modelling of DP590 steel, in SMF 2009 : Proceedings of the 2009 National Conference on Sheet Metal Forming, [Sheet Metal Forming], [Mumbai, India], pp. 249-256.

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Title Multi-scale modelling of DP590 steel
Author(s) Nikhare, C.
Asgari, A.
Weiss, M.ORCID iD for Weiss, M. orcid.org/0000-0002-1845-6343
Hodgson, P. D.
Conference name National Conference on Sheet Metal Forming (2009 : Mumbai, India)
Conference location Mumbai, India
Conference dates 19-20 November 2009
Title of proceedings SMF 2009 : Proceedings of the 2009 National Conference on Sheet Metal Forming
Publication date 2009
Start page 249
End page 256
Publisher [Sheet Metal Forming]
Place of publication [Mumbai, India]
Summary Dual Phase (DP) steel one of the Advanced High Strength Steels (AHSS) has a two phase microstructure where soft and hard phase acts together to offer a high strength composite effect. The high strength, however, must be balanced with ductility so that complex parts and designs can be manufactured from AHSS sheets. However, during forming certain grades of DP steel a sudden crack can occur without any intimation of necking. Thus, due to this abnormal forming behaviour, is difficult to accurately predict because most classical modelling approaches are not designed for such micro-structurally heterogeneous materials. These modelling approaches are generally based on an average representation of the material behaviour in a continuum mechanics formulation. This works for materials that are homogenous, or at least could be assumed to be homogenous at scales lower than the naked eye can see. However, for a material like AHSS, the microstructure plays a significant role in dictating the mechanical behaviour at the macro-scale. This paper studies the multi-scale modelling ofDP590 steel. It is found that the sufficient accuracy can be achieved from multi-scale modelling while comparing with the experiments.
Language eng
Field of Research 091207 Metals and Alloy Materials
Socio Economic Objective 970109 Expanding Knowledge in Engineering
HERDC Research category E2 Full written paper - non-refereed / Abstract reviewed
Copyright notice ©2009, Sheet Metal Forming
Persistent URL http://hdl.handle.net/10536/DRO/DU:30029226

Document type: Conference Paper
Collections: Institute for Technology Research and Innovation
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.