| Issue |
EPJ Web of Conferences
Volume 15, 2011
LAM14 - XIV Liquid and Amorphous Metals Conference
|
|
|---|---|---|
| Article Number | 01015 | |
| Number of page(s) | 5 | |
| Section | Liquid metals and alloys | |
| DOI | https://doi.org/10.1051/epjconf/20111501015 | |
| Published online | 18 May 2011 | |
https://doi.org/10.1051/epjconf/20111501015
Physical properties of some Sn-based melts
1
Ural State Pedagogical University, 620017 Ekaterinburg, Russia,
sidorov@uspu.ru
2
Ural Technical Institute of Telecommunications and Informatics, 15 Repin Str.Ekaterinburg, Russia
The physical properties (viscosity, density, electroresistivity and magnetic susceptibility) of pure tin, copper, silver, some binary (Sn - Ag, Sn - Cu, Sn - Bi, Sn - Zn) and ternary (Sn-Ag-Cu, Sn-BiAg, Sn-Bi-Zn) alloys with near eutectic compositions are investigated in wide temperature ranges. The irreversible decrease of viscosity in pure tin melt is discovered at 820 °С during heating. The similar anomaly with the following hysteresis of dynamic viscosity was fixed for binary and ternary alloys but at higher temperatures – 900 °С and 950 °С respectively. For all the systems it was shown that the alloys with eutectic compositions differ significantly in their electric and magnetic properties from hypo- and hypereutectic ones. Qualitative and quantitative metallographic analysis for Sn-3.8wt.%Ag-0.7wt.%Cu samples, heated low and above characteristic temperatures, showed the influence of melt overheating on crystallization kinetics.
© Owned by the authors, published by EDP Sciences, 2011
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