Superconductive composite materials

Details Superconductive composite materials Superconductive composite materials

1997-03-19

1999-07-06

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

Superconductive type

505776, H01F 100

Patent

active

059202467

ABSTRACT:
A composite material having a plurality of sections integrated into a unitary structure and each including a bulk of a superconductive metal oxide of RE--Ba--Cu--O wherein RE represents a rare earth element, the bulk of each of the sections having pinning centers and capable of trapping a magnetic field. A first one of the sections has a superconductive current density different from that of a second one of the sections. The composite material may be produced by assembling preformed respective sections into a unitary structure or by immersing one of the sections in a solution to grow crystal of Y--Ba--Cu--O superconductive on that section, followed by trimming.

REFERENCES:
patent: 4190817 (1980-02-01), Rabinowitz
patent: 4692088 (1987-09-01), Micheli et al.
patent: 5444425 (1995-08-01), Hermann
patent: 5525584 (1996-06-01), Murakami et al.
patent: 5650376 (1997-07-01), Badaye et al.
Superconductivity, The New Alchemy, John Langone, pp. 81-83, 1989.
Advances in Superconductivity ISTEC, K. Kitazawa and T. Ishiguro (EDS.), Nagoya, Aug. 1988.

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