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Nickel-base superalloy

  • US 6,419,763 B1
  • Filed: 05/18/2000
  • Issued: 07/16/2002
  • Est. Priority Date: 05/20/1999
  • Status: Expired due to Fees
First Claim
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1. A nickel-base superalloy, comprising (measured in % by weight):

  • 3.0-13.0% Cr;

    5.0-15.0% Co;

    0-3.0% Mo;

    3.5-9.5% W;

    3.2-6.0% Al;

    0-3.0%-Ti;

    2.0-10.0% Ta;

    0-6.0% Re;

    0.002-0.08% C;

    0-0.04% B;

    0-1.4% Hf;

    0-0.005% Zr;

    20-60 ppm N;

    and a remainder including nickel plus impurities.

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