Computer simulation of A2/B2 second-order phase transition based upon the Khachaturyan diffusion equation

被引：0
|
作者：
A. M MEBED
T KOYAMA
T MIYAZAKI
机构：
[1] Nagoya Institute of Technology,Department of Materials Science and Engineering
来源：
Journal of Materials Science | 1997年 / 32卷
关键词：
Ageing Time; Lattice Site; Transition Line; Computational Cell; Occupation Probability;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A computer simulation, based on the Khachaturyan diffusion equation, is presented to develop the kinetics of the morphological evolution of the A2/B2 second-order phase transition in a binary solid solution. The evolution of the occupation probability, as a function of composition, shows a good similarity to the actual micrographs experimentally obtained based on the macroscopic composition gradient method. These results are used in parallel with the results of the evolution of the long-range order parameter as a function of the ageing time, to verify a new concept of the ordering behaviour inside the ordered phase.
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页码：5797 / 5804
页数：7
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