Abstract
P/M forging of some rapidly solidified aluminum alloy powders was investigated in order to develop an inexpensive production process of high strength parts with complex shapes. The results of this study are summarized as follows:
1. The investigation of several P/M forging process for Al-18%Si alloy powders showed that mechanical properties of this alloy produced by the rigid die hot coining, followed by the rigid die hot forging are as good as those produced by extrusion.
2. Forging of Al-25%Si-3%Cu-1%Mg-1%Fe alloy and of Al-10%Fe-1.5%Mo-1%V alloy powders for production of wear resistance parts of and for heat resistance parts, respectively were investigated, the mechanical properties of those parts were as good as those produced by extrusion. In the case of production of complicated shape parts, the powder forging technique gives good production yield and cost savings in comparison with the powder extrusion, since the powder forging produces a part in its final form directly without machining step.
