Affiliation:
1. Institute of Metallurgy and Materials Science, Polish Academy of Sciences, Laboratory of Physical Chemistry of Materials, Krakow, Poland
Abstract
The electromotive force measurement method was employed to determine the
thermodynamic properties of liquid Ag-Bi-Cu-Sn alloys using solid electrolyte
galvanic cells as shown below: Kanthal+Re, Ag-Bi-Cu-Sn, SnO2 | Yttria
Stabilized Zirconia | air, Pt, Experiments were made within temperature
interval: 950 - 1300K along four composition paths of constant ratios: XAg :
XBi : XCu = 1, XAg : (XBi + XCu) = 3:2 for XBi = XCu, XBi : (XAg + XCu) = 3:2
for XAg = XCu and XCu : (XAg + XBi) = 3:2 for XAg = XBi and tin concentration
changing from 0.1 to 0.9 mole fractions, every 0.1. Almost all the results
were approximated by straight line equations: EMF vs T, and tin activities
were then calculated in arbitrary temperature; measurement results were
presented by graphs. Unusual activity plot for XBi : (XAg + XCu) = 3:2
composition path was most probably caused by miscibility gap detected earlier
in Bi-Cu-Sn ternary liquid alloys.
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Mechanics of Materials,Geotechnical Engineering and Engineering Geology
Cited by
5 articles.
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