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Title:
COPPER ALLOY, COPPER ALLOY INGOT, COPPER ALLOY SOLUTION FORMING MATERIAL, COPPER ALLOY TROLLEY WIRE AND METHOD FOR PRODUCING COPPER ALLOY TROLLEY WIRE
Document Type and Number:
WIPO Patent Application WO/2017/222041
Kind Code:
A1
Abstract:
This copper alloy is characterized by having a composition that contains from 0.05 mass% to 0.70 mass% (inclusive) of Co, from 0.02 mass% to 0.20 mass% (inclusive) of P, from 0.005 mass% to 0.70 mass% (inclusive) of Sn, and one or more elements selected from among B, Cr and Zr, with the balance made up of Cu and unavoidable impurities; and this copper alloy is also characterized in that if X (mass ppm) is the content of B, Y (mass ppm) is the content of Cr and Z (mass ppm) is the content of Zr, X, Y and Z satisfy formula (1) 1 ≤ (X/5) + (Y/50) + (Z/100) and formula (2) X + Y + Z ≤ 1,000.

Inventors:
ENAMI Yuusuke (Copper & Copper Alloy Development Center 1975-2, Shimoishitokami, Kitamoto-sh, Saitama 22, 〒3640022, JP)
SAKAMOTO Toshio (Copper & Copper Alloy Development Center 1975-2, Shimoishitokami, Kitamoto-sh, Saitama 22, 〒3640022, JP)
NAKAMOTO Hitoshi (3-2 Otemachi 1-chome, Chiyoda-k, Tokyo 17, 〒1008117, JP)
OISHI Keiichiro (Mitsubishi Shindoh Co. Ltd., 8-374, Sambo-cho, Sakai-ku, Sakai-sh, Osaka 06, 〒5900906, JP)
SUGAHARA Atsushi (8-38 Hikari-cho 2-chome, Kokubunji-sh, Tokyo 40, 〒1858540, JP)
YAMASHITA Chikara (8-38 Hikari-cho 2-chome, Kokubunji-sh, Tokyo 40, 〒1858540, JP)
OHARA Takuya (8-38 Hikari-cho 2-chome, Kokubunji-sh, Tokyo 40, 〒1858540, JP)
Application Number:
JP2017/023164
Publication Date:
December 28, 2017
Filing Date:
June 23, 2017
Export Citation:
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Assignee:
MITSUBISHI MATERIALS CORPORATION (3-2 Otemachi 1-chome, Chiyoda-ku Tokyo, 17, 〒1008117, JP)
MITSUBISHI SHINDOH CO., LTD. (3-4-1, Marunouchi Chiyoda-k, Tokyo 05, 〒1000005, JP)
International Classes:
C22C9/06; C22C9/00; C22C9/02; C22C9/04; C22C9/05; H01B1/02; B22D11/00; B22D11/06; B22D11/108; B22D11/12; B22D35/00; C22F1/00; C22F1/08
Domestic Patent References:
WO2009107586A12009-09-03
Foreign References:
JP2015004126A2015-01-08
JPS63317635A1988-12-26
JP2008255379A2008-10-23
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (1-9-2, Marunouchi Chiyoda-k, Tokyo 20, 〒1006620, JP)
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