MgB2 SUPERCONDUCTING MAGNET

WIPO Patent Application WO/2013/161475

A1

A superconducting magnet (17) is provided with: multicore superconducting wire material (18) having a plurality of filaments (4) in which a MgB2 core (8) is covered by a metal sheath (9); a superconducting coil (12) into which the multicore superconducting wire material is wound; and a superconducting connecting part (11) in which an end part of the multicore superconducting wire material and end part of a separate superconducting wire material are unitized via a sintered body (5) that includes MgB2. Each of the plurality of filaments in the superconducting connecting part is in a separated state, and each of the filaments has the MgB2 core exposed at a part in the circumferential direction of the end part. Additionally, an exposed surface in which a part that is exposed in the direction of length from the end part is formed, and the surface area of the exposed surface is larger than a cross-sectional surface area of the MgB2 core when the cross-section is made at a right angle to the direction of length at the end part of the filament.

ICHIKI YOTA (JP)
TANAKA KAZUHIDE (JP)
KODAMA MOTOMUNE (JP)

PCT/JP2013/058485

October 31, 2013

March 25, 2013

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HITACHI LTD (JP)

H01F6/06; H01B12/10; H01F6/00

JPH031469A	1991-01-08
JP2008258158A	2008-10-23
JP2003022719A	2003-01-24
JPH1167523A	1999-03-09
JPH0384903A	1991-04-10
JPH06314584A	1994-11-08
JP2012094413A	2012-05-17

WEIJUN YAO ET AL.: "A Superconducting Joint Technique for MgB2 Round Wires", IEEE TRANSACTIONS ON APPLIED SUPERCONDUCTIVITY, vol. 19, no. 3, June 2009 (2009-06-01), pages 2261 - 2264

INOUE Manabu et al. (JP)
Manabu Inoue (JP)

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