用Knudsen扭矩法在820-1060 K测定了液态Cu-Sb合金(摩尔分数x_(Sb)=0.262-0.815)的蒸气压.根据测得的数据计算了Sb的活度,并用Gibbs-Duhem方程求出Cu的活度.文中还讨论了Knudsen扭矩法的若干技术问题.
The vapour pressure of Sb in liquid Cu-Sb alloys (x_(sb)=0.262--0.815)were measured at 820--1060K by means of torsion effusion method. Activities ofSb were calculated from the obtained data and those of Cu by Gibbs-Duhem inter-gration. Problems about the experimental techniques have also been discussed.
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