Evaluation of Nb/sub 3/Sn superconductors for use in a 23.5 T NMR magnet

Autor:	John (Jack) W. Ekin, S.L. Bray, T.S. Tenforde, R.M. Scanlan, S.T. Wang, C.J. Chen, R. Wahrer
Rok vydání:	1994
Předmět:	Superconductivity Materials science Condensed matter physics Electromagnet Superconducting magnet Electronic Optical and Magnetic Materials law.invention Conductor Electromagnetic coil law Magnet Electrical and Electronic Engineering Electrical conductor Type-II superconductor
Zdroj:	IEEE Transactions on Magnetics. 30:2344-2347
ISSN:	1941-0069 0018-9464
DOI:	10.1109/20.305746
Popis:	In order to evaluate the feasibility of using Nb/sub 3/Sn superconductors to generate fields as high as 23.5 T in NMR magnets, the Battelle Pacific Northwest Laboratories has initiated a conductor development and evaluation program. We report the results of one part of that program involving the Wang NMR/LBL team. Based on a preliminary magnet design, and after extensive discussion with various conductor manufacturers, conductors which had been optimized for use at fields above 20 T were purchased. These conductors have been evaluated with respect to mechanical and electrical properties. In particular, the strain dependence of the critical current density has been measured at 1.8 K and 23.5 T. These results, together with coil tests, are reported in this paper. >
Databáze:	OpenAIRE
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