Authors: P Chiotti
Publish Date: 1972/11/01
Volume: 3, Issue: 11, Pages: 2911-2916
Abstract
A new method for integrating the GibbsDuhem equation has been developed which lends considerable versatility to the types of curves or functions which can be integrated to yield data for a second component in a binary alloy solution The area under curves ofXiYi vsXi whereYiis any excess partial molar quantity andXiis the mole fraction of componenti can be employed to evaluate the excess partial molar quantities of the second component These curves must go to zero atXi = 1 andXi = 0 with a slope of zero atXi= 1 and a slope equal toYiatXi = 0 This procedure was applied to an analysis of the thermodynamic properties of liquid PrZn alloys The results obtained indicate that for this system thea function or △GxsZn/1XZn2 goes to zero atXi = 1 and that previous extrapolations of thea function in the composition range ofXZn= 09 to 10 were erroneous
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