Most of the powder metallurgical research on particulate aluminum alloys has been focused on optimizing composition. However, the role of process parameters on sinterability of prealloyed powders still remains to be critically evaluated. First part of the study logically evaluates the effect of sintering atmosphere (nitrogen, argon and vacuum) and temperature on sintered density, electrical, electrochemical and mechanical properties of Al-Cu-Mg, Al-Mg-Si and Al-Zn-Mg alloys. The effect of heat treatment (T4, T6 and T8 tempers) on microstructure and properties was also investigated. In an...