Nb-CONTAINING ROD-SHAPED MATERIAL FOR USE IN MANUFACTURE OF SUPERCONDUCTING WIRE AND METHOD FOR MANUFACTURE OF Nb3Sn SUPERCONDUCTING WIRE

Title:

Nb-CONTAINING ROD-SHAPED MATERIAL FOR USE IN MANUFACTURE OF SUPERCONDUCTING WIRE AND METHOD FOR MANUFACTURE OF Nb3Sn SUPERCONDUCTING WIRE

Document Type and Number:

WIPO Patent Application WO/2007/060819

Kind Code:

A1

Abstract:

Disclosed is a Nb-containing rod-shaped material which can be used in the manufacture of a Nb3Sn superconducting wire and can impart good processability to Nb or a Nb-based alloy. Also disclosed is a method for manufacture of a superconducting wire having good superconducting properties by using the Nb-containing rod-shaped material. The Nb-containing rod-shaped material can be produced by the steps of: casting a raw material for the rod-shaped material in a mold having a circular or approximately circular cross-section to produce a molded article; and performing a hot working processing or a cold working processing of the molded article into a cylindrical or approximately cylindrical shape using a processing device having a circular or approximately circular cross-section.

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Inventors:

MIYAZAKI TAKAYOSHI
NANBA SHIGENOBU
ZAITSU KYOJI

Application Number:

PCT/JP2006/321839

Publication Date:

May 31, 2007

Filing Date:

November 01, 2006

Export Citation:

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Assignee:

KOBE STEEL LTD (JP)
MIYAZAKI TAKAYOSHI
NANBA SHIGENOBU
ZAITSU KYOJI

International Classes:

H01B13/00; C22C9/02; C22C27/02; C22F1/00; C22F1/08; H01B12/10; H01F6/06

Foreign References:

JP2004342561A	2004-12-02
JP2865798B2	1999-03-08
JPH03238158A	1991-10-23
JPS5216997A	1977-02-08
JPH03283320A	1991-12-13
JPS49114389A	1974-10-31
JPS648698B2	1989-02-15

Attorney, Agent or Firm:

KOTANI, Etsuji et al. (2-2 Nakanoshima 2-chome, Kita-k, Osaka-shi Osaka 05, JP)

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