Superconducting wires Page: 4 of 16
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M.T. Lanagan, R.B. Poeppel, J.P. Singh, D.I. Dos Santos, J.K-Begener,
J.T. Dusek, and K.C. Goretta
Materials and Components Technology Division
Argonne National Laboratory
Argonne, Illinois 60439
The requirement of high critical current density has prompted extensive research on
ceramic processing of high-Tc superconductors. An overview of wire fabrication
techniques and the limitations they impose on component design will be presented.
The effects of processing on microstructure and critical current density will also be
discussed. Particle alignment has been observed in extruded samples which is
attributed to high shear stresses during plastic forming. Composites of superconductor
and silver in several configurations have been made with little deleterious effect on the
Superconductivity above liquid nitrogen temperature (77K) is of great interest for
many applications. Advantages over superconductors that operate at liquid helium
temperature include less complicated refrigeration systems and the low cost of liquid
nitrogen. Several oxide systems have demonstrated the ability to superconduct at
temperatures above 90 K. The Y-Ba-Cu-O system has been widely studied for over
one year , and the effects of processing on properties remains a subject of current
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Lanagan, M.T.; Poeppel, R.B.; Singh, J.P.; Dos Santos, D.I.; Lumpp, J.K.; Dusek, J.T. et al. Superconducting wires, article, June 1, 1988; Illinois. (https://digital.library.unt.edu/ark:/67531/metadc1189064/m1/4/: accessed April 24, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.