Aluminum alloy for die casting

Abstract

An alloy for use in die casting having improved thermal conductivity and strength includes at least about 86.0 percent aluminum by weight, from about 9.70 to about 10.70 percent silicon, by weight, from about 0.40 to about 0.70 percent iron, by weight, about 0.25 percent copper, by weight, about 0.50 percent manganese, by weight, from about 0.10 to about 0.20 percent titanium, by weight; and from about 0.010 to about 0.025 percent strontium, by weight.

1 . An alloy for use in die casting comprising
 at least about 86.0 percent aluminum by weight;   from about 9.70 to about 10.70 percent silicon, by weight;   from about 0.40 to about 0.70 percent iron, by weight;   up to about 0.25 percent copper, by weight;   up to about 0.50 percent manganese, by weight;   from about 0.10 to about 0.20 percent titanium, by weight; and   from about 0.010 to about 0.025 percent strontium, by weight.   
     
     
         2 . The alloy of  claim 1 , further comprising up to about 0.25 percent nickel, by weight. 
     
     
         3 . The alloy of  claim 2 , further comprising up to about 0.50 percent zinc, by weight. 
     
     
         4 . The alloy of  claim 3 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         5 . The alloy of  claim 2 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         6 . The alloy of  claim 1 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         7 . The alloy of  claim 6 , further comprising up to about 0.50 percent zinc, by weight. 
     
     
         8 . The alloy of  claim 1 , further comprising between about 86.0 to about 90.0 percent aluminum, by weight. 
     
     
         9 . The alloy of  claim 8 , further comprising up to about 0.25 percent nickel, by weight. 
     
     
         10 . The alloy of  claim 9 , further comprising up to about 0.50 percent zinc, by weight. 
     
     
         11 . The alloy of  claim 10 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         12 . The alloy of  claim 9 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         13 . The alloy of  claim 8 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         14 . The alloy of  claim 6 , further comprising up to about 0.50 percent zinc, by weight. 
     
     
         15 . An article of manufacturing comprising
 between about 86.0 to about 90.0 percent aluminum, by weight;   from about 9.70 to about 10.70 percent silicon, by weight;   from about 0.40 to about 0.70 percent iron, by weight;   about 0.25 percent copper, by weight;   about 0.50 percent manganese, by weight;   from about 0.10 to about 0.20 percent titanium, by weight; and   from about 0.010 to about 0.025 percent strontium, by weight.   
     
     
         16 . The alloy of  claim 15 , further comprising up to about 0.25 percent nickel, by weight. 
     
     
         17 . The alloy of  claim 16 , further comprising up to about 0.50 percent zinc, by weight. 
     
     
         18 . The alloy of  claim 17 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         19 . The alloy of  claim 16 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         20 . The alloy of  claim 15 , further comprising up to about 0.15 percent tin, by weight. 
     
     
         21 . The alloy of  claim 6 , further comprising up to about 0.50 percent zinc, by weight.