Statistical Properties of Elastic Moduli of Polycrystalline Materials Using a Johnson-mehl Model
نویسنده
چکیده
Polycrystalline material microstructure is simulated by Johnson-Mehl model. Finite element analysis is implemented on unit volumes of Johnson-Mehl grain structures, which are aggregates of anisotropic grains orientated by a uniform-random distribution. Monte Carlo techniques are utilized in obtaining the statistical properties of elastic moduli of the ensemble from finite element solutions. The statistical properties of the elastic properties are expressed as functions of the anisotropic crystal properties. Differences in the corresponding computational results between Poisson-Voronoi and Johnson-Mehl models are discussed.
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