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Acta Metall Sin  1998, Vol. 34 Issue (3): 293-298    DOI:
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CALCULATION OF Ag-Cu DIAGRAM FROM MODIFIED CENTRAL ATOMS MODEL
ZHANG Yingjiu; WANG Zhifa; LU Weijie; XU Zhen; JIANG Guosheng(Department of Materials Science and Engineering; Central South University of Technology; Changsha 410083)
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ZHANG Yingjiu; WANG Zhifa; LU Weijie; XU Zhen; JIANG Guosheng(Department of Materials Science and Engineering; Central South University of Technology; Changsha 410083). CALCULATION OF Ag-Cu DIAGRAM FROM MODIFIED CENTRAL ATOMS MODEL. Acta Metall Sin, 1998, 34(3): 293-298.

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Abstract  The equations of the central atoms (CA) model are simplified and derivatived in this paper. The new equations are similiar to the equations of ordinary thermodynamic models used usually, the static value difference between the i atomic state and is not need in proportion to, where i denoted there are i atoms B in the nearest neibouring shell of central atom or. The total of the probability of every atomic state, Pa equals to the reciprocal of activity coefficient of component a. The Ag-Cu diagram and its thermodynamic properties are calculated by this model, and the results coincide well with experimental values.
Key words:  Ag-Cu      diagram calculation      central atoms model     
Received:  18 March 1998     
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