Alcoa Inc.

Larry L Podey

Thomas N Meyer

Ronald W Gunkel

A method of joining an aluminum cast member to an aluminum component. The method includes the steps of coating a surface of an aluminum component with flux comprising cesium fluoride, placing the flux coated component in a mold, filling the mold with molten aluminum alloy, and allowing the molten aluminum alloy to solidify thereby joining a cast member to the aluminum component. The flux preferably includes aluminum fluoride and alumina. A particularly preferred flux includes about 60 wt. % CsF, about 30 wt. % AlF , and about 10 wt. % Al O .

Growing community of inventors

Greensburg, PA, United States of America

Larry L Podey