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Ni-Cr-Co alloy for advanced gas turbine engines

  • US 20060051234A1
  • Filed: 09/03/2004
  • Published: 03/09/2006
  • Est. Priority Date: 09/03/2004
  • Status: Abandoned Application
First Claim
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1. A nickel-chromium-cobalt based alloy having a composition comprised in weight percent of:

  • 17 to 22 chromium 8 to 15 cobalt 4.0 to 9.5 molybdenum up to 7.0 tungsten 1.28 to 1.65 aluminum 1.50 to 2.30 titanium up to 0.80 niobium 0.01 to 0.2 carbon up to 0.015 boron with a balance of nickel and impurities, the alloy further satisfying the following compositional relationships defined with elemental quantities being in terms of weight percent;


    2.2<

    Al+0.56Ti+0.29Nb<

    2.9
    6.5<

    Mo+0.52W<

    9.5

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