METHOD FOR PRODUCING ALLOY SUPERCONDUCTOR, AND ALLOY SUPERCONDUCTOR

Title:

METHOD FOR PRODUCING ALLOY SUPERCONDUCTOR, AND ALLOY SUPERCONDUCTOR

Document Type and Number:

Japanese Patent JP2011214124

Kind Code:

A

Abstract:

To provide a method for producing an alloy superconductor, in which a superconductor to be easily subjected to mechanical work is produced only by a simple working process, and further, a pinning site is introduced without requiring special treatment, and the like.

The Nb solid solution of a high melting point metal with a body-centered cubic lattice structure and a B2 type intermetallic compound TiNi are mixed in an optional ratio, and the mixed compound is melted and cast to form a multiphase structure in which an Nb phase serving as a superconducting phase and a TiNi phase serving as a non-superconducting phase are alternately arranged in a layer state. Further, the compound is cast by aging precipitation reaction at the temperature equal to or lower than the melting point, and the TiNi phase is precipitated as a pinning site within the Nb phase.

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Inventors:

NISHIDA MINORU
HATANO YUICHI
ITAKURA MASARU
OMI GENDO
NAKANO TOMOHITO
AOKI KIYOSHI
ISHIKAWA KAZUHIRO

Application Number:

JP2010086065A

Publication Date:

October 27, 2011

Filing Date:

April 02, 2010

Export Citation:

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Assignee:

UNIV KYUSHU
KITAMI INST OF TECH

International Classes:

C22C1/00; C22C14/00; C22C16/00; C22C19/03; C22C19/07; C22C27/02; C22C30/00; C22F1/00; C22F1/10; C22F1/18

Domestic Patent References:

JPH0528858A

1993-02-05

Attorney, Agent or Firm:

Yasuo Hirai

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