Patents Assigned to ONERA(OFF NAT D'ETUDES ET DE RECHERCHES AEROS)
  • NICKEL-BASED ALLOY
    Publication number: 20070227630
    Abstract: The invention provides alloys or superalloys based on nickel essentially comprising the following elements in the amounts indicated as percentages by weight: Cr: 11.5% to 13.5%; Co: 11.5% to 16.0%; Mo: 3.4% to 5.0%; W: 3.0% to 5.0%; Al: 2.2% to 3.2%; Ti: 3.5% to 5.0%; Nb: 0.5% to 2.0%; Hf: 0.25% to 0.35%; Zr: 0 to 0.07%; C: 0.015% to 0.030%; B: 0.01% to 0.02%; and Ni: complement to 100%. The alloy is for use in the production of turbine or compressor disks for turbo-machines, using powder metallurgy techniques.
    Type: Application
    Filed: March 30, 2007
    Publication date: October 4, 2007
    Applicants: SNECMA, ARMINES, ONERA(OFF NAT D'ETUDES ET DE RECHERCHES AEROS)
    Inventors: Isabelle Augustins Lecallier, Pierre Caron, Jean-yves Guedou, Didier Locq, Loeiz Naze