Monte Carlo simulation of Zener pinning in two dimensions

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作者：
Soucail, M.
Messina, R.
Cosnuau, A.
Kubin, L.P.
机构：
[1] Off. Natl. d'Etud. Rech. Aerospat., Directions des Materiaux, 29 Avenue de la Division Leclerc, F-92322 Châtillon Cedex, France
[2] LEM, CNRS-ONERA, BP 72, 92322 Châtillon Cedex, France
来源：
Materials Science and Engineering A | 1999年 / 271卷 / 1-2期
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摘要：
The effect of second-phase particles on grain growth was simulated in two dimensions with the help of a Monte Carlo method. A wide range of particle surface fractions was considered, from 10-4 to 10-1. Particle unpinning from grain boundaries was only observed for small volume fractions (f [less-than or equal to] 2 × 10-2). The average size of the grains in the pinned micro structure was investigated as a function of f and the fraction φ of particles interacting with the grain boundaries. The normalised stagnant grain size was found to scale with (φf) -1/2. These results are discussed in terms of the available non-random approaches of grain boundary pinning by particles. © 1999 Elsevier Science S.A. All rights reserved.
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