Copper alloy and method for production thereof

Copper alloy and method for production thereof

  • CN 1,856,588 A
  • Filed: 09/15/2004
  • Published: 11/01/2006
  • Est. Priority Date: 09/19/2003
  • Status: Active Application
First Claim
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1. A copper alloy characterized by containing, in mass%, a metal selected from the group consisting of Cr:

  • 0.01-5%, Ti;

    0.01-5% and Zr;

    0.01 to 5%, the balance being Cu and impurities, the grain size of precipitates and inclusions having a grain size of 1 μ

    m or more among the precipitates and inclusions present in the alloy, and the total number of precipitates and inclusions satisfying the following formula (1)logN≤

    0.4742+17.629×

    exp(-0.1133×

    X) (1)Wherein N is the total number of precipitates and inclusions per unit area, and the unit isPer mm2X is the grain size of the precipitates and inclusions, and the unit is μ

    m.

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