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Processing of high density magnesium boride wires and tapes by hot isostatic pressing

United States Patent Application

20040245506
A1
View the Complete Application at the US Patent & Trademark Office
Los Alamos National Laboratory - Visit the Technology Transfer Division Website
A process is disclosed of increasing the critical current density in a superconducting magnesium boride wire by heating a magnesium diboride precursor wire under isostatic pressure in an inert atmosphere at temperatures and for time sufficient to form a superconducting magnesium boride wire characterized as having a higher critical current density than a superconducting magnesium boride wire heated under the same temperature conditions in the absence of isostatic pressing.
Zhu, Yuntian T. (Los Alamos, NM), Serquis, Adriana C. (Los Alamos, NM), Civale, Leonardo (Los Alamos, NM), Liao, Xiaozhou (Los Alamos, NM), Hammon, Duncan L. (Los Alamos, NM), Mueller, Fred M. (Los Alamos, NM), Peterson, Dean E. (Los Alamos, NM), Gu, Yabei (Pasadena, CA), Nesterenko, Vitali F. (La Jolla, CA)
10/ 456,639
June 5, 2003
[0001] 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.