Study and Development of the Superconducting Conductor for the Grenoble Hybrid Magnet

To produce a continuous magnetic field of at least 8.5 T in a 1.1 m cold bore diameter, the superconducting outsert of the Grenoble Hybrid magnet is based on the novel development of a Nb-Ti/Cu Rutherford Cable On Conduit Conductor (RCOCC) cooled to 1.8 K by a bath of superfluid helium pressurized a...

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Bibliographic Details
Published in:IEEE transactions on applied superconductivity 2012-06, Vol.22 (3), p.6001604-6001604
Main Authors: Pugnat, P., Berriaud, C., Fazilleau, P., Hervieu, B., Joss, W., Oberli, L., Mayri, C., Pfister, R., Ronayette, L., Xiao, H.
Format: Article
Language:English
Subjects:
AC losses and conductor stability
Air conditioning
Applied sciences
Atmospheric pressure
Cables
Conductors
Conductors (devices)
Copper
Current measurement
Electric connection. Cables. Wiring
Electrical engineering. Electrical power engineering
Electromagnetic compatibility
Electromagnets
Exact sciences and technology
Helium
hybrid magnets
Information, signal and communications theory
Insertion
Magnetic fields
Rutherford cable
Soldering
Superconducting cables
Superconducting coils
superconducting conductors
Superconducting magnets
Superconductivity
Telecommunications and information theory
Temperature measurement
Various equipment and components
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Summary:To produce a continuous magnetic field of at least 8.5 T in a 1.1 m cold bore diameter, the superconducting outsert of the Grenoble Hybrid magnet is based on the novel development of a Nb-Ti/Cu Rutherford Cable On Conduit Conductor (RCOCC) cooled to 1.8 K by a bath of superfluid helium pressurized at atmospheric pressure. The main results of the conductor studies and development are presented after a brief introduction to the specificity of hybrid magnets, namely the electromagnetic couplings between resistive and superconducting coils. Results obtained with short samples of conductor are reviewed including the measurements of the elastic limit, AC losses, stability and critical current. The final specification of the RCOCC is presented highlighting the proposed method for the industrialization of the insertion process of the Rutherford cable on the hollow Cu-Ag stabilizer as well as its validation phase on short samples.
ISSN:1051-8223
1558-2515
DOI:10.1109/TASC.2011.2180882