High temperature superconducting current leads for cryogenic applications in moderate magnetic fields

Large YBa/sub 2/Cu/sub 3/O/sub 7- delta / ceramic conductors suitable for bulk current applications have been fabricated using a magnetic technique to generate c-axis grain alignment. Critical currents on the order of several hundred amperes in a background field of 0.1 T have been achieved as a res...

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Veröffentlicht in:	IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1991-03, Vol.27 (2), p.1858-1860
Hauptverfasser:	Dorri, B., Herd, K., Laskaris, E.T., Tkaczyk, J.E., Lay, K.W.
Format:	Artikel
Sprache:	eng
Schlagworte:	360107 > Metals & Alloys-- Superconducting Properties-- (1992-) ALKALINE EARTH METAL COMPOUNDS ANISOTROPY Applied sciences BARIUM COMPOUNDS BARIUM OXIDES Ceramics CHALCOGENIDES CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY Conductors COPPER COMPOUNDS COPPER OXIDES CRITICAL CURRENT CRYOGENICS CRYSTAL STRUCTURE CURRENTS ELECTRIC CONDUCTIVITY ELECTRIC CONDUCTORS ELECTRIC CURRENTS Electrical engineering. Electrical power engineering ELECTRICAL PROPERTIES Exact sciences and technology FABRICATION GRAIN ORIENTATION High temperature superconductors HYSTERESIS Magnetic anisotropy MATERIALS SCIENCE MICROSTRUCTURE ORIENTATION OXIDES OXYGEN COMPOUNDS Perpendicular magnetic anisotropy PHYSICAL PROPERTIES Superconducting magnets Temperature dependence TRANSITION ELEMENT COMPOUNDS Various equipment and components YTTRIUM COMPOUNDS 665412 > Superconducting Devices-- (1992-) YTTRIUM OXIDES
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Beschreibung
Zusammenfassung:	Large YBa/sub 2/Cu/sub 3/O/sub 7- delta / ceramic conductors suitable for bulk current applications have been fabricated using a magnetic technique to generate c-axis grain alignment. Critical currents on the order of several hundred amperes in a background field of 0.1 T have been achieved as a result of the aligned microstructure. The unusual dependence of the critical current on temperature and magnetic field is discussed in the context of anisotropy, self-field, and hysteretic effects.
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.133558