Metallic composition and method of making

Claim 1

THE METHOD OF MAKING AN ALUMINUM BASE ALLOY OF INCREASED TENSILE STRENGTH WHICH COMPRISES PERFORMING IN A CONTROLLED ATMOSPHERE THE STEPS OF MELTING A FIRST AND A SECOND MASS OF ALUMINUM, ADDING A QUANTITY OF SILICON TO THE FIRST MOLTEN MASS TO FORM A SOLUTION OF SILICON IN ALUMINUM, ADDING THORIUM TO THE SECOND MOLTEN MASS TO FORM A SOLUTION OF THORIUM IN ALUMINUM, MIXING THE FIRST SOLUTION WITH A QUANTITY OF THE SECOND SOLUTION TO PROVIDE SUFFICIENT THORIUM TO REACT WITH SUBSTANTIALLY ALL OF THE SILICON IN THE FIRST SOLUTION TO FORM A PRECIPITATE OF FINE PARTICLES OF THORIUM SILICIDE THROUGHOUT THE MASS OF ALUMINUM, AND COOLING THE MOLTEN MASS RAPIDLY TO SOLIDIFY THE ALUMINUM WITH THE THORIUM SILICIDE PARTICLES DISPERSED THEREIN.