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A mean-field model for transformation induced plasticity including backstress effects for non-proportional loadings

Abstract : A viable model for the phenomenon of transformation induced plasticity must be able to predict the strain response to arbitrary, also non-proportional loading paths. The constitutive model presented in this paper is interfacing between the macro- and the mesoscale by stress partitioning in the parent and product phase, using a nonlinear scale transition rule. As one of the key features a mean field tensor representing the orientation strain contribution is introduced taking into account backstress effects. A good agreement of the model results with experiments on a maraging steel is achieved.
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https://hal-mines-paristech.archives-ouvertes.fr/hal-00725957
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Submitted on : Tuesday, August 28, 2012 - 2:18:19 PM
Last modification on : Thursday, September 24, 2020 - 6:30:04 PM

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Michael Fischlschweiger, Georges Cailletaud, Thomas Antretter. A mean-field model for transformation induced plasticity including backstress effects for non-proportional loadings. International Journal of Plasticity, Elsevier, 2012, 37, pp.53-71. ⟨10.1016/j.ijplas.2012.04.001⟩. ⟨hal-00725957⟩

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