Abstract
This paper treats the dynamics of phase transformations in elastic bars. The specific issue studied is the compatibility of the field equations and jump conditions of the one-dimensional theory of such bars with two additional constitutive requirements: a kinetic relation controlling the rate at which the phase transition takes place and a nucleation criterion for the initiation of the phase transition. A special elastic material with a piecewise-linear, non-monotonic stress-strain relation is considered, and the Riemann problem for this material is analyzed. For a large class of initial data, it is found that the kinetic relation and the nucleation criterion together single out a unique solution to this problem from among the infinitely many solutions that satisfy the entropy jump condition at all strain discontinuities.
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Abeyaratne, R., Knowles, J.K. Kinetic relations and the propagation of phase boundaries in solids. Arch. Rational Mech. Anal. 114, 119–154 (1991). https://doi.org/10.1007/BF00375400
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DOI: https://doi.org/10.1007/BF00375400