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Hydrostatic extrusion of Cu-Ag melt spun ribbon

United States Patent

5,802,708
September 8, 1998
View the Complete Patent at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
The present invention provides a method of producing high-strength and high-conductance copper and silver materials comprising the steps of combining a predetermined ratio of the copper with the silver to produce a composite material, and melt spinning the composite material to produce a ribbon of copper and silver. The ribbon of copper and silver is heated in a hydrogen atmosphere, and thereafter die pressed into a slug. The slug then is placed into a high-purity copper vessel and the vessel is sealed with an electron beam. The vessel and slug then are extruded into wire form using a cold hydrostatic extrusion process.
Hill; Mary Ann (Los Alamos, NM), Bingert; John F. (Jemez Springs, NM), Bingert; Sherri A. (Jemez Springs, NM), Thoma; Dan J. (Los Alamos, NM)
The Regents of The University of California (Oakland, CA)
08/ 657,860
May 30, 1996
This invention was made with Government support under Contract No. W-7405-ENG-36 awarded by the U.S. Department of Energy. The Government has certain rights in the invention.