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Development of 10 kA class Nb sub 3 Al superconducting cable by Jelly-role process

Conference · · IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States)
OSTI ID:5857969
; ;  [1]; ; ;  [2]
  1. Naka Fusion Research Establishment, Japan Atomic Energy Research Inst., Naka-machi, Naka-gun, Ibaraki-ken 311-01 (JP)
  2. Osaka Research Lab., Sumitomo Electric Industries, Ltd., 1-1-3 Shimaya, Konohana-ku, Osaka 554 (JP)
+ Show Author Affiliations
This paper reports on a multifilamentary Cu/Nb{sub 3}Al composite strand developed, with a non-copper critical current density of more than 400 A/mm{sup 2} at 12 T, by Jelly-roll process. A 10 kA cable-in-conduit conductor was fabricated to demonstrate the applicability to fusion magnets. The cable had 324 strands, and a circular CuNi seamless pipe was used as the conduit. The strand diameter was 0.88 mm and the filament diameter was 28 {mu}m. The heat treatment was performed at 820{degrees} C for 2 hr.
OSTI ID:
5857969
Report Number(s):
CONF-900944--
Conference Information:
Journal Name: IEEE Transactions on Magnetics (Institute of Electrical and Electronics Engineers); (United States) Journal Volume: 27:2
Country of Publication:
United States
Language:
English

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Related Subjects

665412* -- Superconducting Devices-- (1992-)
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700430 -- Fusion Technology-- Magnet Coils & Fields-- (1992-)
75 CONDENSED MATTER PHYSICS
SUPERCONDUCTIVITY AND SUPERFLUIDITY
ALLOYS
ALUMINIUM ALLOYS
CABLES
COMPOSITE MATERIALS
CONDUCTOR DEVICES
COPPER
COPPER COMPOUNDS
COPPER NITRIDES
CRITICAL CURRENT
CURRENT DENSITY
CURRENTS
ELECTRIC CABLES
ELECTRIC CURRENTS
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
FABRICATION
FILAMENTS
HEAT TREATMENTS
MAGNETS
MATERIALS
METALS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
NITRIDES
NITROGEN COMPOUNDS
PNICTIDES
SUPERCONDUCTING CABLES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
THERMONUCLEAR REACTORS
TRANSITION ELEMENT COMPOUNDS
TRANSITION ELEMENTS