Affiliation:
1. Polish Academy of Sciences, Institute of Metallurgy and Materials Science, Krakow, Poland
Abstract
The measurements of surface tension, density and viscosity of liquid Sn-Zn
eutectic alloys containing 0, 5, 10, 15 and 25 mole fraction of In were
carried out using the sessile drop method, dilatometric technique and
capillary method. The measurements were performed at temperature range
between 493 and 843 K. The technique of sessile drop was applied in the
measurements of wetting angles and spreading test in the SnZnIn/ Cu system.
Surface tension, density and viscosity measurements were carried out in a
protective argon-hydrogen atmosphere. Wettability tests were performed in air
in the presence of flux Alu33, at 250?C for 2 minutes. Subsequently, the
microstructure of solder and the resulting joints was studied. The addition
of In to eutectic Sn-Zn alloy improved the wetting properties and causes a
reduction of thickness of the intermetallic compounds layer created at the
interface between the liquid solder and the Cu substrate.
Publisher
National Library of Serbia
Subject
Materials Chemistry,Metals and Alloys,Mechanics of Materials,Geotechnical Engineering and Engineering Geology
Cited by
6 articles.
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