Title:
MANUFACTURE AND APPLICATION OF LINE-TYPE AND/OR BELT-TYPE SUPERCONDUCTOR
Document Type and Number:
Japanese Patent JPS6421830
Kind Code:
A
Abstract:
PURPOSE: To enable manufacture of a winding wire which is particularly required for an electromagnetic coil by filling a sheath made of a metal which is cold-workable to a high degree with a homogeneous superconducting material of pulverized fine particles, and cold-working the filled sheath to have a desired cross-sectional shape. CONSTITUTION: Before filling a sheath, a ceramic material is repeatedly pulverized, pressed, sintered, and heat-treated through known methods, until the desired homogeneity and superconductivity are reached. A metal is particularly suitable for the sheath that has a high melting point, a high elongation, and infinite possibility of cold-working, and as a result, enabling omitting an intermediate heat treatment during the cold-working. Strong solidification of the metallic body obtained simultaneously by the omission of the intermediate heat treatment, after the cold-working meets mechanical requirements necessary for the forming processes, after being combined with hard, brittle powder and is not hindered by the intermediate heat treatment either. In this way, a winding wire necessary for electromagnetic coils, in particular, may be manufactured.
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Inventors:
HANSU HIRUMAN
ANDOREASU SUTSURUKUCHIYUKU
ANDOREASU SUTSURUKUCHIYUKU
Application Number:
JP14992888A
Publication Date:
January 25, 1989
Filing Date:
June 17, 1988
Export Citation:
Assignee:
VACUUMSCHMELZE GMBH
International Classes:
B28B1/00; C01G1/00; C04B35/00; C04B35/45; C04B35/622; H01B12/04; H01B13/00; H01L39/24; (IPC1-7): B28B1/00; C04B35/00; H01B12/04; H01B13/00; H01L39/24
Attorney, Agent or Firm:
Tomimura Kiyoshi
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