A phase-field model for bainitic transformation

Arif, T. T. and Qin, R. S. (2013). A phase-field model for bainitic transformation. Computational Materials Science, 77 pp. 230–235.

DOI: https://doi.org/10.1016/j.commatsci.2013.04.044

Abstract

A phase-field model for the computation of microstructure evolution for the bainite transformation has been developed. The model has a classical phase-field foundation, incorporates the phenomenological displacive transformation theory and the symmetric analysis of cubic crystals, and is able to reproduce realistic grain morphology and crystal orientation after adequate calibration. Using the free energy expression for the shape change of displacive transformations along with the free energy formula for the chemical free energy change of the two phases derived from established regular solution models, the current model is able to deal with autocatalysis.

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