Constitutive modeling of metastable austenitic stainless steel

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Perdahcioglu, E.S. and Geijselaers, H.J.M. and Huetink, J. (2008) Constitutive modeling of metastable austenitic stainless steel. In: 11th ESAFORM2008 Conference on Material Forming, April 23-25, 2008, Lyon, France.

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Abstract:A stress-update algorithm is developed for austenitic metastable steels which undergo phase evolution during deformation. The material initially comprises only the soft and ductile austenite phase which due to the phenomenon of mechanically induced martensitic transformation, transforms completely to the hard and brittle martensite. A mean-field homogenization algorithm is developed that can predict the mechanical response of the composite material during transformation. Furthermore, a physically based transformation model is developed that predicts the amount of transformation during deformation.
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/69819
Organisation URL:http://esaform2008.insa-lyon.fr/index.php?id=23
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Metis ID: 255301