Paper Title:
Activity Measurement of Liquid Sn-Ag-Bi Alloys by Fused Salt EMF Method
  Abstract

Activity of tin in liquid Sn-Ag-Bi alloys was derived by EMF measurement of galvanic cell with fused salts electrolyte in the temperature range of 700 to 900K in the whole composition range. Activity of tin at 900K shows very small positive deviation from Raoult’s low for Sn-Bi alloys. Activity of ternary alloys was measured along three pseudo binary systems of Sn-(Ag,Bi) (where xAg/xBi =1/3,1/1 and 3/1). Its concentration dependence is very complex. From the iso-activity curves in the ternary system excess free energy of mixing is derived using Darken’s method for Gibbs-Duhem equation

  Info
Periodical
Edited by
Masaaki Naka and Toshimi Yamane
Pages
129-138
DOI
10.4028/www.scientific.net/MSF.502.129
Citation
I. Katayama, T. Tanaka, S. Akai, K. Yamazaki, T. Iida, "Activity Measurement of Liquid Sn-Ag-Bi Alloys by Fused Salt EMF Method ", Materials Science Forum, Vol. 502, pp. 129-138, 2005
Online since
December 2005
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