本文以Cu-Ag系和Pb-T1系五个两相区为例,根据少量热力学实验数据和状态函数性质,提出一种推求晶格稳定参数的方法。应用这些参数计算二元相图相界,其结果与实验相界吻合得很好。在此基础上,对Cu-Ag系面心立方固溶体间的相平衡,提出讨论意见。
A method is proposed for ascertaining the lattice stability parameters, offering an example of 5 binary phase regions in Cu-Ag and Pb-T1 systems, on the basis of a few thermodynamical data and the state function properties. The calculated binary phase boundaries by using these parameters are in good agreement with the experimental results. Thus, the phase equilibrium among the solid solutions with fee structure in Cu-Ag system has been discussed.
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