Phase Transitions in Elastoplastic Materials : Thermodynamical Theory and Numerical Simulation

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Abstract
A general condition of nucleation in elastoplastic materials is derived and specified for dilatational phase transitions (PT). The work integral in the nucleation criterion is calculated numerically after solution of a set of boundary-value problems using finite elements method. The example of the relation between applied axial stress, volumetric transformation strain and PT temperature is determined numerically. Effect of superimposed hydrostatic pressure is taking into account analytically

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