Abstract: A method for fluxless brazing of unclad aluminum includes forming first and second components to be joined of unclad aluminum; etching selected surface areas of the components; depositing an elemental metal on the selected surface areas; abutting the first and second components along the etched surfaces forming a junction; applying an aluminum filler about the junction; and heating the components and filler and bonding the components and filler.
Type:
Grant
Filed:
February 24, 1997
Date of Patent:
October 10, 2000
Assignee:
Ford Global Technologies, Inc.
Inventors:
Ron Cooper, Gerry Grab, Armando Joaquin, Tim V. Evans, Matthew J. Zaluzec