| abstract |
Aluminum alloys with improved properties are provided. The alloy comprises about 0 to 2 wt% of at least one rare earth element, about 0.5 to about 14 wt% silicon, about 0.25 to about 2.0 wt% copper, about 0.1 to about 3 , 0 wt% nickel, about 0.1 to about 1.0 wt% iron, about 0.1 to about 2.0 wt% zinc, about 0.1 to about 1.0 wt. % Magnesium, 0 to about 1.0 weight percent silver, about 0.01 to about 0.2 weight percent strontium, 0 to about 1.0 weight percent scandium, 0 to about 1.0 weight percent. % Manganese, 0 to about 0.5% by weight calcium, 0 to about 0.5% by weight germanium, 0 to about 0.5% by weight tin, 0 to about 0.5% by weight Cobalt, 0 to about 0.2 wt% titanium, 0 to about 0.1 wt% boron, 0 to about 0.2 wt% zirconium, 0 to 0.5% yttrium, 0 to about 0 , 3 wt .-% cadmium, 0 to about 0.3 wt .-% chromium, 0 to about 0.5 wt .-% indium and balance aluminum. Processes for the production of aluminum castings are also described. |