Abstract
The phase field method has emerged as the most powerful approach for modeling microstructure evolutions resulting from phase transformations. This approach provides a consistent thermodynamic framework in which many phenomena can be strongly coupled, such as diffusion, elasticity, and plasticity. The method is therefore particularly suited for studying the microstructure formation and evolution in nickel-base superalloys. In this chapter, we present the strength and limitations of the method and illustrate how the phase field methods have contributed to the understanding of the microstructure evolution in these alloys.
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