Independence of grain boundary mobility and driving force for square-lattice Monte Carlo models

被引：6

作者：

Zhang, Liangzhe ^{[1
]}

Bartel, Timothy ^{[2
]}

Lusk, Mark T. ^{[1
]}

机构：

[1] Colorado Sch Mines, Dept Phys, Golden, CO 80401 USA

[2] Sandia Natl Labs, Albuquerque, NM 87185 USA

来源：

COMPUTATIONAL MATERIALS SCIENCE | 2010年 / 48卷 / 04期

基金：

美国能源部; 美国国家科学基金会;

关键词：

Monte Carlo; Grain boundary mobility; Driving force; Ising; Surface energy; TEMPERATURE; MIGRATION; KINETICS; TENSION; PROFILE; SHAPE;

D O I：

10.1016/j.commatsci.2010.03.034

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Computational experiments are used to show that grain boundary (GB) mobility is independent of driving force for a two-dimensional, square-lattice Ising model with Metropolis kinetics. This is established over the entire Monte Carlo (MC) temperature range. A calibration methodology is also provided which endows the MC algorithm with time and length scales and expresses the MC parameters in terms of experimentally measurable quantities. These links are used to verify that the square-lattice MC paradigm delivers the desired sharp-interface grain boundary kinetics over a wide range of mixed driving forces and MC temperatures using a single mobility function. (C) 2010 Elsevier B.V. All rights reserved.

引用

页码：790 / 795

页数：6

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