Characterization of Alloys and Liquidus Projections of Ternary Bi-Sb-Sn system
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Talijan, Nadežda M.
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Given that Sn-based lead-free solders are considered as possible substitution for standard lead-tin solders, properties of the alloys from ternary Bi-Sb-Sn system were characterized by microstructural SEM-EDS analysis, Brinell hardness tests, and electrical conductivity measurements. Isothermal cross section at 298 K and liquidus surface projection were calculated by application of CALPHAD method and software package PANDAT 8.1. The experimentally determined phase compositions in analyzed microstructures were found to be in a good agreement with phases on calculated cross sections.
Keywords:Bi-Sb-Sn ternary system / hardness / electrical conductivity / isothermal sections / microstructure
Source:High Temperature Materials and Processes, 2012, 31, 1, 19-25
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