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A 17 T NbTi-Nb/sub 3/ Sn superconducting magnet with low-purity holmium core

Conference · · IEEE Trans. Magn.; (United States)
OSTI ID:6089984
; ; ; ; ;

A 14 T NbTi-Nb/sub 3/Sn superconducting magnet system with 31 mm bore has been constructed and tested at the Institute of Electrical Engineering, Academia Sinica. The magnet system consists of three coils, one of NbTi and two of Nb/sub 3/Sn coils. Two different cross section Nb/sub 3/Sn wires using the bronze method made by Baoji Institute of Non-Ferrous Metal were chosen for the outer Nb/sub 3/Sn coil with 80 mm bore and a (NbTi)/sub 3/Sn wire using the high tin content Nb tube method was used to build the inner Nb/sub 3/Sn coil. The NbTi-Nb/sub 3/Sn magnet system has successfully achieved 14.42 T central field at 4.2 K. In order to obtain higher magnetic field, a pair of low-purity Holmium cores of 25 mm in diameter were used for the NbTi-Nb/sub 3/Sn magnet system. The test of the Holmium cores with the NbTi-Nb/sub 3/Sn magnet shows that the central field increases from 14 T to 17 T at 4.2 K.

Research Organization:
Institute of Electrical Engineering, Academia Sinica, P.O. Box 2703, Beijing (CN)
OSTI ID:
6089984
Report Number(s):
CONF-880812-
Journal Information:
IEEE Trans. Magn.; (United States), Journal Name: IEEE Trans. Magn.; (United States) Vol. 25:2; ISSN IEMGA
Country of Publication:
United States
Language:
English

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Related Subjects

36 MATERIALS SCIENCE
360104 -- Metals & Alloys-- Physical Properties
420201* -- Engineering-- Cryogenic Equipment & Devices
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ALLOYS
BRONZE
COPPER ALLOYS
COPPER BASE ALLOYS
CROSS SECTIONS
DESIGN
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
HOLMIUM
MAGNETIC FIELDS
MAGNETS
MATERIALS
MATRIX MATERIALS
METALS
NIOBIUM ALLOYS
NIOBIUM BASE ALLOYS
PERFORMANCE TESTING
RARE EARTHS
SUPERCONDUCTING COILS
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
SUPERCONDUCTING WIRES
TESTING
TIN ALLOYS
TITANIUM ALLOYS
WIRES