An Approach to the Mesoscale Simulation of Grain Growth
نویسندگان
چکیده
منابع مشابه
An Approach to the Mesoscale Simulation of Grain Growth
The simulation of curvature driven growth in grain boundary systems is becoming an important tool in understanding the behavior of microstructure evolution and there is much distinguished work in this subject. Here we address the mesoscale simulation of large systems of grain boundaries subject to the Mullins equation of curvature driven growth with the Herring force balance equation imposed at...
متن کاملMesoscale Simulation of Grain Growth
Simulation is becoming an increasingly important tool, not only in materials science in a general way, but in the study of grain growth in particular. Here we exhibit a consistent variational approach to the mesoscale simulation of large systems of grain boundaries subject to Mullins Equation of curvature driven growth. Simulations must be accurate and at a scale large enough to have statistica...
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Mesoscale Simulation of Grain Boundary Diffusion Creep in the Presence of Grain Growth
Grain-boundary (GB) diffusion creep (Coble creep) is the dominant deformation mechanism for the fine-grained materials under low stress and at elevated temperature [1]. From the classical Coble creep formula [1], the strain rate is proportional to the external stress, and inversely proportional to the cube of the grain size: 3 ~ − d σ ε& . During creep deformation the grains become elongated in...
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ژورنال
عنوان ژورنال: MRS Proceedings
سال: 2000
ISSN: 0272-9172,1946-4274
DOI: 10.1557/proc-652-y1.5