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Composite biaxially textured substrates using ultrasonic consolidation

United States Patent

April 23, 2013
View the Complete Patent at the US Patent & Trademark Office
Oak Ridge National Laboratory - Visit the Partnerships Directorate Website
A method of forming a composite sheet includes disposing an untextured metal or alloy first sheet in contact with a second sheet in an aligned opposing position; bonding the first sheet to the second sheet by applying an oscillating ultrasonic force to at least one of the first sheet and the second sheet to form an untextured intermediate composite sheet; and annealing the untextured intermediate composite sheet at a temperature lower than a primary re-crystallization temperature of the second sheet and higher than a primary re-crystallization temperature of the first sheet to convert the untextured first sheet into a cube textured sheet, wherein the cube texture is characterized by a .phi.-scan having a FWHM of no more than in all directions, the second sheet remaining untextured, to form a composite sheet.
Blue; Craig A. (Knoxville, TN), Goyal; Amit (Knoxville, TN)
UT-Battelle, LLC (Oak Ridge, TN)
13/ 449,587
April 18, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH The United States Government has rights in this invention pursuant to contract no. DE-AC05-00OR22725 between the United States Department of Energy and UT-Battelle, LLC.