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Metallic substrates for high temperature superconductors

United States Patent

6,455,166
September 24, 2002
View the Complete Patent at the US Patent & Trademark Office
Argonne National Laboratory - Visit the Technology Development and Commercialization Website
A biaxially textured face-centered cubic metal article having grain boundaries with misorientation angles greater than about 8.degree. limited to less than about 1%. A laminate article is also disclosed having a metal substrate first rolled to at least about 95% thickness reduction followed by a first annealing at a temperature less than about 375.degree. C. Then a second rolling operation of not greater than about 6% thickness reduction is provided, followed by a second annealing at a temperature greater than about 400.degree. C. A method of forming the metal and laminate articles is also disclosed.
Truchan; Thomas G. (Chicago, IL), Miller; Dean J. (Darien, IL), Goretta; Kenneth C. (Downers Grove, IL), Balachandran; Uthamalingam (Hinsdale, IL), Foley; Robert (Chicago, IL)
The University of Chicago (Chicago, IL)
09/ 568,890
May 11, 2000
The United States Government has rights in this invention pursuant to Contract No. W-31-109-ENG-38 between the U.S. Department of Energy (DOE) and The University of Chicago representing Argonne National Laboratory.