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

Published online by Cambridge University Press:  15 February 2013

Jordan J. Cox ,
Eric R. Homer  and
Veena Tikare
Jordan J. Cox
Affiliation:
Dept. of Mechanical Engineering, Brigham Young University, Provo, UT 84602, U.S.A.
Eric R. Homer*
Affiliation:
Dept. of Mechanical Engineering, Brigham Young University, Provo, UT 84602, U.S.A.
Veena Tikare
Affiliation:
Advanced Nuclear Fuels Cycle Technology Dept., Sandia National Laboratories, Albuquerque, NM 87185, U.S.A.
*
*Corresponding author: eric.homer@byu.edu
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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.

Keywords

microstructurephase transformationsimulation

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References

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