CAJ | 학술논문

基于Miedema二元合金生成热模型,结合自由体积理论,充分考虑超额熵,针对实际固态二元合金熔体,提出全浓度范围内的超额热力学函数的计算方法,分别推导出对有序、无序固态二元合金的全摩尔超额函数、偏摩尔超额函数、组元活度计算式．分别计算了固态无序合金Ag-Au、有序合金Co-Pt在800K、1273K温度下的各种超额热力学函数值,计算结果与实验值吻合良好．
기우Miedema이원합금생성열모형,결합자유체적이론,충분고필초액적,침대실제고태이원합금용체,제출전농도범위내적초액열역학함수적계산방법,분별추도출대유서、무서고태이원합금적전마이초액함수、편마이초액함수、조원활도계산식．분별계산료고태무서합금Ag-Au、유서합금Co-Pt재800K、1273K온도하적각충초액열역학함수치,계산결과여실험치문합량호．
Based on Miedema's model for calculating the formation heat of binary alloys by combining the free volume theory and considering excess entropy, the calculation method of excess thermodynamics functions for solid binary alloy systems was developed. The formulas of excess integral mole quantities, the partial mole quantities and the activity of component were derived in the article for solid ordered or unordered binary alloy systems. The excess thermodynamics functions for solid unordered Ag-Au alloy at 800K and solid Co-Pt alloy at 1273K were calculated.