Since the Cluster Variation Method(CVM)provides a more reasonable description ofmixing entropy than the Bragg-Williams approximation,it has gained a great success inconsideration of order-disorder transition and misci...Since the Cluster Variation Method(CVM)provides a more reasonable description ofmixing entropy than the Bragg-Williams approximation,it has gained a great success inconsideration of order-disorder transition and miscibility gap.However,when assessingdissimilar phases equilibrium,the distributions of pair interaction energies in the dissimilarphases may be different,which have influence on mixing entropy.The present articlestudies the influence of such factors as pair interaction energies,temperature,compositionand structure on mixing entropy,and provides a distinct physical image for the展开更多
基金Project supported by the National Natural Science Foundation of China.
文摘Since the Cluster Variation Method(CVM)provides a more reasonable description ofmixing entropy than the Bragg-Williams approximation,it has gained a great success inconsideration of order-disorder transition and miscibility gap.However,when assessingdissimilar phases equilibrium,the distributions of pair interaction energies in the dissimilarphases may be different,which have influence on mixing entropy.The present articlestudies the influence of such factors as pair interaction energies,temperature,compositionand structure on mixing entropy,and provides a distinct physical image for the
