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Élaboration et performances de matériaux supraconducteurs YBa2Cu3O7 massifs texturés de taille croissante*

Published online by Cambridge University Press:  15 March 1998

L. Porcar
Affiliation:
EPM-Matformag, CNRS, BP 166, 38042 Grenoble Cedex 09, France
A. Erraud
Affiliation:
Schneider Electric S.A., A3, rue Volta, 38050 Grenoble Cedex 09, France
P. Tixador
Affiliation:
Schneider Electric S.A., A3, rue Volta, 38050 Grenoble Cedex 09, France
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Abstract

Industrial applications of the bulk superconducting YBa2Cu3O7 material imply to control the growth of large oriented monodomains in samples of big size (several centimeters). The laboratory EPM-Matformag is committed to produce such materials according to three different methods (zone melting, solidification controlled by a magnetic field, crystal growth from a seed). The results obtained show that it is possible by such methods to elaborate a material with high performances at the centimeter scale and to produce it in series. The availability of such materials allows the measure of physical properties on a large scale and the testing of prototypes for cryo-electrotechnical applications (magnetic bearing, flywheel, coupling device, current lead...).

Keywords

Type
Research Article
Copyright
© EDP Sciences, 1998

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Footnotes

*

Le contenu de cet article a été présenté aux Ves journées de cryognénie et de supraconductivité à Aussois en April 1997.

References

* Le contenu de cet article a été présenté aux Ves journées de cryognénie et de supraconductivité à Aussois en April 1997.

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