| 集团变分法(CVM)及其在合金相图计算中的应用 |
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| 引用本文： | 郝士明. 集团变分法(CVM)及其在合金相图计算中的应用[J]. 材料与冶金学报, 2003, 2(4): 286-299 |
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| 作者姓名： | 郝士明 |
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| 作者单位： | 东北大学,材料与冶金学院,辽宁,沈阳,110004 |
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| 摘 要： | 介绍了集团变分法的集团概率变量、配置熵等统计分析的理论基础及Helmholtz自由能的描述模型.提出了巨势及相对化学势的几何分析理论.讨论了应用集团变分法和巨势分析理论进行相平衡计算的过程,并分析了同结构平衡相图计算的若干实例.
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| 关 键 词： | 集团变分法 概率变量 配置熵 巨势 相对化学势 自然迭代法 相图计算 |
| 文章编号： | 1671-6620(2003)04-0286-14 |
| 修稿时间： | 2003-11-20 |
Cluster variation method (CVM) and its application in calculation of alloy phase diagrams |
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| HAO Shi-ming. Cluster variation method (CVM) and its application in calculation of alloy phase diagrams[J]. Journal of Materials and Metallurgy, 2003, 2(4): 286-299 |
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| Authors: | HAO Shi-ming |
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| Abstract: | The theoretical basis of statistic analysis on the probability variable of Cluster Variation Method (CVM) and the configurational entropy,and the model for describing Helmheltz free energy of solid solution have been recommended. The geometrical analysis theory on grand potential and opposite chemical potential has been proposed. CVM and grand potential analysis theory applied in phase equilibrium calculation have been discussed, and some examples of phase diagram calculation with the same structure phase have been analyzed. |
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| Keywords: | cluster variation method probability variable configurational entropy grand potential opposite chemical potential natural iteration method calculation of phase diagram |
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