Patents by Inventor Isabelle Augustins Lecallier

Isabelle Augustins Lecallier has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • 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