Title:
ELECTRICAL CONTACT MATERIAL
Document Type and Number:
WIPO Patent Application WO/2011/162107
Kind Code:
A1
Abstract:
The disclosed electrical contact material is highly resistant to welding and wear and exhibits excellent temperature performance. Said electrical contact material (31) contains, by mass, more than 30% and no more than 55% tungsten carbide and between 2% and 5% graphite, with the remainder containing silver and unavoidable impurities. Said electrical contact material has a relative density of at least 98.0%, an oxygen content of no more than 450 ppm, a conductivity of at least 45% IACS, and a transverse rupture strength of at least 350 MPa.
Inventors:
HATAKEYAMA, Takashi (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
畠山 隆志 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
UENISHI, Noboru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
上西 昇 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
畠山 隆志 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
UENISHI, Noboru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
上西 昇 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
Application Number:
JP2011/063200
Publication Date:
December 29, 2011
Filing Date:
June 09, 2011
Export Citation:
Assignee:
A.L.M.T.Corp. (11-11, Shiba 1-chome Minato-k, Tokyo 14, 〒1050014, JP)
株式会社アライドマテリアル (〒14 東京都港区芝一丁目１１番１１号 Tokyo, 〒1050014, JP)
HATAKEYAMA, Takashi (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
畠山 隆志 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
UENISHI, Noboru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
株式会社アライドマテリアル (〒14 東京都港区芝一丁目１１番１１号 Tokyo, 〒1050014, JP)
HATAKEYAMA, Takashi (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
畠山 隆志 (〒16 兵庫県伊丹市昆陽北一丁目１番１号 株式会社アライドテック内 Hyogo, 〒6640016, JP)
UENISHI, Noboru (1-1 Koyakita 1-chome, Itami-sh, Hyogo 16, 〒6640016, JP)
International Classes:
C22C32/00; C22C5/06; C22C29/08; H01H1/021; H01H1/023; C22C1/05
Attorney, Agent or Firm:
KODA, Kazuyuki (208-B, Yao-minami Garden Terrace 84-2, Wakabayashi-cho 1-chome, Yao-sh, Osaka 38, 〒5810038, JP)
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