Nonequilibrium Interface Dynamics:
Theory and Simulation from Atomistic to Continuum Scales

CSIC Building (#406), Seminar Room 4122.
Directions: home.cscamm.umd.edu/directions

Extending Phase Field Models of Solidification to Polycrystals

Dr. James Warren

Center for Theoretical and Computational Materials Science (CTCMS), NIST

Abstract:   In order to model the impingement of solidifying crystals, we must have a suitable model of the behavior of materials of differing crystallographic orientations. Such boundaries are called grain boundaries, and form one of the most basic substructures in materials systems. In this talk we will extend the previously developed phase field model of solidification to include grain boundary effects, and then explore physical phenomena such as impingement, grain growth, grain boundary wetting, polycrystalline alloy growth, dizzy dendrites and spherulitic growth.