The constraints for the thermodynamic parameters of the (A,B)m(A,B)n↔(A,B)m+n type order–disorder transformation
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- 作者：Changrong Li ; Jincheng Hu ; Fuming Wang ; Zhenmin Du ; Weijing Zhang
- 关键词：Order– ; disorder transformation ; Thermodynamic modeling ; CALPHAD
- 刊名：Calphad
- 出版年：2006
- 出版时间：December 2006
- 年：2006
- 卷：30
- 期：4
- 页码：387-392
- 全文大小：522 K
文摘
A mathematical analysis of the constraints on the thermodynamic parameters of the compound energy formalism for an (A,B)m(A,B)n↔(A,B)m+n type order–disorder transformation is studied. Both the ordered phase and the disordered phase can be described using the two-sublattice model after the formula , with for the disordered phase and for the ordered phase. The constraints between the parameters for the ordered state were derived. The thermodynamic characteristics of the transformation are illustrated using a mathematical method and the validity of the model and the constraints is tested.
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