Constitutive modeling of metastable austenitic stainless steel


Perdahcioglu, E.S. and Geijselaers, H.J.M. and Huetink, J. (2009) Constitutive modeling of metastable austenitic stainless steel. International Journal of Material Forming, 2 (Suppl.). pp. 419-422. ISSN 1960-6206

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Abstract:A constitutive model is developed for the prediction of the mechanical behavior of metastable austenitic stainless steels that undergo phase transformation during deformation. A transformation model is proposed that is based on the action of applied stress through the concept of mechanical driving force. The transformation plasticity phenomenon is incorporated by considering the relative orientation of transforming grains. Furthermore, a mean-field homogenization algorithm is utilized to compute the mechanical behavior of the elastic-plastic composite during transformation
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