Composite material including silicon carbide and/or silicon nitride short fibers as reinforcing material and aluminum alloy with copper and relatively small amount of silicon as matrix metal

Abstract From the Canadian patent

A composite material is made from silicon carbide and/or silicon nitride short fibers embedded in a matrix of metal. The metal is an alloy consisting essentially of between approximately 2% to approximately 6% of copper, between approximately 05% to approximately 3% of silicon and, remainder substantially aluminum. The short fibers may be all silicon carbide short fibers, or may be all silicon nitride short fibers or may be a, mixture of silicon carbide and silicon nitride short fibers. The fiber volume proportion of the silicon carbide and/or silicon nitride short fibers may desirably be between approximately 5% and approximately 50% and may, more desirably be between approximately 5% and …