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Electrical, Chemical, and Structural Properties of Plasma Sprayed Y-Ba-Cu-Oxide Superconducting Coatings

Published online by Cambridge University Press:  28 February 2011

R. A. Neiser ,
J. P. Kirkland ,
W. T. Elam ,
H. Herman ,
S. Rangaswamy ,
V. M. Letourneau  and
M. Osofsky
R. A. Neiser
Affiliation:
State Universityof New York at Stony Brook, Dept. of Materials Science, Stony Brook, NY 11794 Sachs/Freeman Associates, Inc., 1401 McCormick Dr., Landover, MD 20785
J. P. Kirkland
Affiliation:
Sachs/Freeman Associates, Inc., 1401 McCormick Dr., Landover, MD 20785
W. T. Elam
Affiliation:
Naval Research Laboratory, Washington, DC 20375
H. Herman
Affiliation:
State Universityof New York at Stony Brook, Dept. of Materials Science, Stony Brook, NY 11794
S. Rangaswamy
Affiliation:
Meteo Div, Perkin-Elmer Corp., 1101 Prospect Ave., Westbury, NY 11590
V. M. Letourneau
Affiliation:
Naval Research Laboratory, Washington, DC 20375
M. Osofsky
Affiliation:
Naval Research Laboratory, Washington, DC 20375
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Abstract

Thick coatings of Y-Ba-Cu-oxide superconductors have been prepared by plasma spray processing. This paper reports a number of the important properties of coatings sprayed at two different power levels. The microstructure, porosity, and chemical composition of the coatings were studied in their as-sprayed and annealed states. Critical current and magnetic susceptibility measurements were made on the annealed coatings. X-ray diffraction was used to identify non-superconducting phases present in the coatings and to determine the superconducting phase's lattice constants.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 99: Symposium AA – High-Temperature Superconductors , 1987 , 689
Copyright
Copyright © Materials Research Society 1988

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References

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