Table 1: Vickers microhardness values in Kg/mm2 of hot pressed Cu-Sn alloys.

AlloysVickers microhardness () Kg/mm2
Matrix (-Cu)Bright (-phase)

90% Cu-10% Sn112.2246.6
85% Cu-10% Sn-5% C83.7162.7
80% Cu-10% Sn-10% Pb108.9222.2
90% Cu-10% Pb101.4210.3