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Based on the phase diagrams and the mass action law in combination with the coexistence theory of metallic melts structure,the calculation model of mass action concentration for Mg-Al,Sr-Al and Ba-Al was built,and their thermodynamic parameters were determined.The agreement between calculated and measured results shows that the model and the determined thermodynamic parameters can reflect the structural characteristics of relevant melts.However,the fact that the thermodynamic parameters from literature don′t give the value agree with the measured result may be due to unconformity of these parameters to real chemical reactions in metallic melts.
Based on the phase diagrams and the mass action law in combination with the coexistence theory of metallic melts structure, the calculation model of mass action concentration for Mg-Al, Sr-Al and Ba-Al was built, and their thermodynamic parameters were determined. The agreement between calculated and measured results shows that the model and the determined thermodynamic parameters can reflect the structural characteristics of relevant melts. However, the fact that the thermodynamic parameters from literature do not give the value agree with the measured result may be due to unconformity of these parameters to real chemical reactions in metallic melts.