In support of a new methodology of accelerated development and qualification of new materials, the PrecipiCalc TM software has been developed as an efficient, high-fidelity 3D multiphase precipitation simulator grounded in computational thermodynamics and multicomponent diffusional nucleation and growth models incorporating interfacial dissipations. With extensive validation under a major federally sponsored program, the software has been successfully applied to the accurate and rapid

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... of multiscale (from nm to µm), multimodal γ microstructure development in IN100 Ni-based aeroturbine disk alloys under complex commercial heattreatment processing. Integration of PrecipiCalc with FEM heat transfer simulation and a strength model has demonstrated accurate prediction of property variation for accelerated process optimization and probabilistic modeling of design minimum properties.