Volume 96, Number 3, November 2011
|Number of page(s)||5|
|Section||Interdisciplinary Physics and Related Areas of Science and Technology|
|Published online||14 October 2011|
Topology-dependent description of grain growth
School of Materials Science and Engineering, University of Science and Technology Beijing - 100083 Beijing, PRC
2 State Key Laboratory for Advanced Metals and Materials, University of Science and Technology Beijing 100083 Beijing, PRC
3 College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology - Beijing 100124, PRC
Accepted: 9 September 2011
A growth equation for individual grains is suggested by considering the interactions of the nearest-neighbor grains, which indicates that the average grain growth rate of a given topological class depends on the difference between the number of faces and the average number of faces of the nearest neighbors. For the convenience of its application, a practical equation is also proposed. They have been verified by the data of β-titanium grains, dry 3D foams, Monte Carlo Potts model simulation, vertex model simulation, and surface evolver simulation.
PACS: 81.10.Jt – Growth from solid phases (including multiphase diffusion and recrystallization) / 61.82.Bg – Metals and alloys / 81.10.Aj – Theory and models of crystal growth; physics and chemistry of crystal growth, crystal morphology, and orientation
© EPLA, 2011
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