(a) 90% Cu-10% Sn alloy: points 1 and 2 refer to the regions analyzed by EDX
(b) 85% Cu-10% Sn-5% C alloy: points 1 and 2 refer to the regions analyzed by EDX
Figure 4: SEM micrographs and EDX analysis of heat-treated (a) 90% Cu-10% Sn and (b) 85% Cu-10% Sn-5% C alloys.