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Coupled microstructural-compositional evolution informed by a thermodynamic database using the hybrid Potts-phase field model

  • Jordan J. Cox (a1), Eric R. Homer (a1) and Veena Tikare (a2)

Abstract

A recently introduced hybrid Potts-phase field method has demonstrated the ability to evolve microstructures in conjunction with compositional fields tied to different phases. In this approach, Monte Carlo Potts methods are used to evolve the microstructure while phase field methods are used to evolve the composition, and the two fields are coupled through free energy functionals. Recent developments of the model allow different multi-component alloy systems to be simulated by using thermodynamic databases and kinetic quantities to dictate the behavior. An example of the method using the aluminum-silicon binary system is demonstrated.

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Corresponding author

*Corresponding author: eric.homer@byu.edu

References

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[1] Humphreys, F.J., Hatherly, M., Recrystallization and Related Annealing Phenomena, 2 nd ed. (Elsevier, Boston, 2004).
[2] Homer, E.R., Tikare, V., Holm, E.A., Comp. Mat. Sci. submitted (2012).
[3] Janssens, K.G., Raabe, D., Kozeschnik, E., Miodownik, M.A., Nestler, B., Computational Materials Engineering: an Introduction to Microstructure Evolution (Academic Press, Boston, 2007).
[4] Zhang, L., Tonks, M.R., Millett, P.C., Zhang, Y., Chockalingam, K., Biner, B., Comp. Mat. Sci. 56, 161 (2012).10.1016/j.commatsci.2012.01.002
[5] Cahn, J.W., Hilliard, J., J. Chem. Phys. 28, 258 (1958).
[6] Balluffi, R.W., Allen, S.M., Carter, W.C., Kinetics of Materials (John Wiley & Sons, Hoboken, 2005).10.1002/0471749311

Keywords

Coupled microstructural-compositional evolution informed by a thermodynamic database using the hybrid Potts-phase field model

  • Jordan J. Cox (a1), Eric R. Homer (a1) and Veena Tikare (a2)

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