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Title:
Cu-Co-Si-BASED COPPER ALLOY STRIP AND METHOD FOR PRODUCING THE SAME
Document Type and Number:
Japanese Patent JP2013067849
Kind Code:
A
Abstract:

To provide a Cu-Co-Si-based copper alloy strip whose fatigue characteristics are improved, and a method for producing the same.

The Cu-Co-Si-based copper alloy strip contains 0.5-3.0 mass% of Co and 0.1-1.0 mass% of Si, wherein a mass ratio of Co/Si is 3.0-5.0, with the balance comprising copper and unavoidable impurities. A ratio (A/B) of a surface hardness A (Hv) to a hardness B (Hv) at the center of the thickness in the direction parallel to the rolling direction is 1.03 or more.


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Inventors:
OKAFUJI YASUHIRO
Application Number:
JP2011209278A
Publication Date:
April 18, 2013
Filing Date:
September 26, 2011
Export Citation:
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Assignee:
JX NIPPON MINING & METALS CORP
International Classes:
C22C9/06; C22C9/00; C22C9/01; C22C9/02; C22C9/04; C22C9/05; C22F1/08; H01B1/02; H01B5/02; H01B13/00; C22F1/00
Attorney, Agent or Firm:
Kenichiro Akao
Akira Shimoda
Kazuhiko Kurihara



 
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