Normal state resistance and low temperature magnetoresistance of superconducting cables for accelerator magnets
Conference
·
· IEEE Trans. Magn.; (United States)
OSTI ID:6090226
The normal state resistivity of the superconducting NbTi cable used in accelerator magnets is usually specified by the resistance per unit length at room temperature (295 K) and the residual resistance ratio (RRR). Using these resistance parameters, the amount of copper in the multifilamentary wire can be calculated. This method is consistent with the traditional etch and weigh technique, and as such is a alternative and convenient way of specifying the copper to superconductor ratio. In principle the magnetoresistance can be calculated from the RRR and the Kohler Plot, for copper. In practice however, measurements of magnetoresistance for a wide variety of SSC inner cable show considerable disagreement with calculation. In this paper the magnetoresistance data on cables with RRR ranging from 50 to 175 are analyzed taking into account the conductor geometry and the effect of the small interfilamentary spacing on the resistivity of copper.
- Research Organization:
- 0936000
- OSTI ID:
- 6090226
- Report Number(s):
- CONF-880812-
- Conference Information:
- Journal Name: IEEE Trans. Magn.; (United States) Journal Volume: 25:2
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
420201* -- Engineering-- Cryogenic Equipment & Devices
43 PARTICLE ACCELERATORS
430300 -- Particle Accelerators-- Auxiliaries & Components
430400 -- Particle Accelerators-- Storage Rings
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCELERATORS
ALLOYS
CABLES
CONDUCTOR DEVICES
COPPER
ELECTRIC CABLES
ELECTRIC IMPEDANCE
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
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GEOMETRY
IMPEDANCE
MAGNETS
MATHEMATICS
METALS
NIOBIUM ALLOYS
PARAMETRIC ANALYSIS
STORAGE RINGS
SUPERCONDUCTING CABLES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
SUPERCONDUCTING SUPER COLLIDER
SUPERCONDUCTING WIRES
TITANIUM ALLOYS
TRANSITION ELEMENTS
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43 PARTICLE ACCELERATORS
430300 -- Particle Accelerators-- Auxiliaries & Components
430400 -- Particle Accelerators-- Storage Rings
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
ACCELERATORS
ALLOYS
CABLES
CONDUCTOR DEVICES
COPPER
ELECTRIC CABLES
ELECTRIC IMPEDANCE
ELECTRICAL EQUIPMENT
ELECTROMAGNETS
ELEMENTS
EQUIPMENT
GEOMETRY
IMPEDANCE
MAGNETS
MATHEMATICS
METALS
NIOBIUM ALLOYS
PARAMETRIC ANALYSIS
STORAGE RINGS
SUPERCONDUCTING CABLES
SUPERCONDUCTING DEVICES
SUPERCONDUCTING MAGNETS
SUPERCONDUCTING SUPER COLLIDER
SUPERCONDUCTING WIRES
TITANIUM ALLOYS
TRANSITION ELEMENTS
WIRES