A constitutive model for multi-phase steels

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Perdahcioglu, E.S. and Geijselaers, H.J.M. (2010) A constitutive model for multi-phase steels. In: Advances in Materials and Processing Technologies, AMPT 2010, 24-27 October 2010, Paris, France.

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Abstract:Mean-Field homogenization algorithms for materials involving two or more elastic-plastic constituent phases are investigated. The Voigt, Reuss and Self consistent schemes which are directly applicable to multi-phase systems are implemented. The shortcomings of these schemes are accuracy for the former two and computational efficiency for the latter. A new interpolative model is proposed which is aimed to be both computationally efficient and accurate. The results of the models are studied on the material point level for a prescribed uniaxial tensile deformation. It is observed that the response computed by the proposed scheme closely matches that computed by the Self Consistent approach.
Item Type:Conference or Workshop Item
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Engineering Technology (CTW)
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Link to this item:http://purl.utwente.nl/publications/74790
Conference URL:http://www.ampt2010.org/
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Metis ID: 270201