The electrical, thermal conductivity, microstructure and mechanical properties of Al–Sn–Pb ternary alloys

The structural, thermal, electrical and mechanical properties and micro-hardness of four different samples of Al–Sn–Pb ternary alloys (Al-[x] wt. % Sn-10 wt. % Pb) (x = 40, 30, 20 and 10) with constant lead concentrations were investigated for four different samples. Electrical resistivity and conductivity were measured by using (four-point probe measurement techniques) 4PPT techniques. The variations of thermal conductivity were determined by Wiedemann–Franz law (W–F) and Smith–Palmer (S–P) equation using the data obtained from electrical properties. The mechanical properties of the same alloys were obtained by the tensile test and the Vickers micro-hardness test. [Display omitted] •The crystal symmetry and cell parameter of samples were obtained.•The microstructures of the Al–Sn–Pb alloys were determined.•Temperature dependence of the electrical resistivity of alloy were obtained.•Composition dependence of the thermal conductivity of the samples were obtained.•Mechanical properties of Al–Sn–Pb alloy were obtained.