ELECTROCONDUCTIVE SUPPORT MEMBER AND METHOD FOR MANUFACTURING SAME

Title:

ELECTROCONDUCTIVE SUPPORT MEMBER AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2018/101249

Kind Code:

A1

Abstract:

A welding arm 10 is provided with a chip electrode 11, a holder 12, and a shank 20. The shank 20 as an electroconductive support member includes a Cu parent phase and a second phase including a Cu-Zr-based compound dispersed in the Cu parent phase, and is provided with: an external peripheral part 22 that is a Cu-xZr (x being the atomic% of Zr and satisfying 0.5 ≤ x ≤ 16.7) alloy composition; and an internal peripheral part 21 which is present on an internal peripheral side of the external peripheral part 22, is a metal including Cu, and has high electrical conductivity relative to the external peripheral part 22.

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Inventors:

GOTO TAKASHI (JP)
KATSUI HIROKAZU (JP)
MURAMATSU NAOKUNI (JP)
NAKAJIMA TAKANARI (JP)

Application Number:

PCT/JP2017/042582

Publication Date:

June 07, 2018

Filing Date:

November 28, 2017

Export Citation:

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Assignee:

NGK INSULATORS LTD (JP)
UNIV TOHOKU (JP)

International Classes:

C22C9/00; B22F3/14; B22F7/06; B23K11/31; B23K35/20; C22C1/04; C22C16/00

Domestic Patent References:

WO2010146702A1	2010-12-23
WO2016189929A1	2016-12-01

Foreign References:

JPH11197849A	1999-07-27
JP2012162802A	2012-08-30
JP2009220168A	2009-10-01
JP2007260686A	2007-10-11
JP2016234067A	2016-12-01

Other References:

MURAMATSU, NAOKUNI ET AL.: "Development of high-electrical-conductivity and high-wear-resistance hypoeutectic Cu-Zr alloy SPS materials", JOURNAL OF THE JAPAN SOCIETY OF POWDER AND POWDER METALLURGY, vol. 63, no. 3, 9 April 2016 (2016-04-09), pages 132 - 138, XP055558625, ISSN: 1880-9014, Retrieved from the Internet
See also references of EP 3461921A4

Attorney, Agent or Firm:

ITEC INTERNATIONAL PATENT FIRM (JP)

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