Superconducting monolithic Nb/sub 3/Sn magnetic system with ceramic insulation, technology of manufacturing-test results

Mechanical and electrophysical property studies of plasma-sprayed ceramic insulation coverings at low temperatures and under gamma -n irradiation were performed. The results of the studies confirm the possibility of using such coverings as electrical insulation and as a monolithic material for the s...

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Veröffentlicht in:	IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) 1992-01, Vol.28 (1), p.877-879
Hauptverfasser:	Lelekhov, S.A., Novikov, S.I., Zyravlev, A.N., Kyznetsov, G.K., Tanevcki, V.V., Tcachenco, A.A.
Format:	Artikel
Sprache:	eng
Schlagworte:	360107 > Metals & Alloys-- Superconducting Properties-- (1992-) 665411 > Basic Superconductivity Studies-- (1992-) 70 PLASMA PHYSICS AND FUSION TECHNOLOGY 700430 > Fusion Technology-- Magnet Coils & Fields-- (1992-) ALLOYS ANNEALING CERAMICS CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY DEPOSITION ELECTRIC COILS ELECTRIC CONDUCTIVITY ELECTRICAL EQUIPMENT ELECTRICAL INSULATION ELECTRICAL PROPERTIES ELECTROMAGNETS HEAT TREATMENTS INTERMETALLIC COMPOUNDS MAGNETIC FIELDS MAGNETIC INSULATION MAGNETS MANUFACTURING MATERIALS SCIENCE Niobium NIOBIUM ALLOYS NIOBIUM BASE ALLOYS PHYSICAL PROPERTIES PLASMA ARC SPRAYING Plasma materials processing Plasma properties Plasma temperature SOLENOIDS SPRAY COATING SUPERCONDUCTING DEVICES Superconducting filaments and wires SUPERCONDUCTING MAGNETS Superconducting materials SUPERCONDUCTIVITY SURFACE COATING 665412 > Superconducting Devices-- (1992-) THERMONUCLEAR REACTORS TIN ALLOYS
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Zusammenfassung:	Mechanical and electrophysical property studies of plasma-sprayed ceramic insulation coverings at low temperatures and under gamma -n irradiation were performed. The results of the studies confirm the possibility of using such coverings as electrical insulation and as a monolithic material for the superconducting electromagnetic system of a fusion reactor. The technology of manufacturing a monolithic superconducting magnetic system based on intermetallic compounds by the technique of winding-annealing, with the use of plasma-sprayed ceramic coverings, was developed. A frame-free superconducting solenoid based on niobium-tin, 130 mm in inner diameter and 200 mm in outer diameter, and including light ordinary pancakes wound with unannealed flattened wire conductor of 4.7-1.2 mm in diameter, was manufactured and tested. The results of testing a ceramic solenoid in the external field of a niobium-titanium magnet are given.< >
ISSN:	0018-9464 1941-0069
DOI:	10.1109/20.120018