Patents Assigned to ECOLE NATIONALE SUPERIEURE DE MECANIQUE AEROTECHNIQUE
  • Nickel-based superalloy, single-crystal blade and turbomachine
    Patent number: 11396686
    Abstract: The invention relates to a nickel-based superalloy comprising, in percentages by mass, 5.0 to 6.0% aluminum, 6.0 to 9.5% tantalum, 0 to 1.50% titanium, 8.0 to 10.0% cobalt, 6.0 to 7.0% chromium, 0.30 to 0.90% molybdenum, 5.5 to 6.5% tungsten, 0 to 2.50% rhenium, 0.05 to 0.15% hafnium, 0.70 to 4.30% platinum, 0 to 0.15% silicon, the remainder being nickel and unavoidable impurities. The invention also relates to a single-crystal blade comprising such an alloy and a turbomachine comprising such a blade.
    Type: Grant
    Filed: June 4, 2019
    Date of Patent: July 26, 2022
    Assignees: SAFRAN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE POITIERS, ECOLE NATIONALE SUPERIEURE DE MECANIQUE AEROTECHNIQUE
    Inventors: Jérémy Rame, Jonathan Cormier
  • NICKEL-BASED SUPERALLOY, SINGLE-CRYSTAL BLADE AND TURBOMACHINE
    Publication number: 20210214822
    Abstract: The invention relates to a nickel-based superalloy comprising, in percentages by mass, 5.0 to 6.0% aluminum, 6.0 to 9.5% tantalum, 0 to 1.50% titanium, 8.0 to 10.0% cobalt, 6.0 to 7.0% chromium, 0.30 to 0.90% molybdenum, 5.5 to 6.5% tungsten, 0 to 2.50% rhenium, 0.05 to 0.15% hafnium, 0.70 to 4.30% platinum, 0 to 0.15% silicon, the remainder being nickel and unavoidable impurities. The invention also relates to a single-crystal blade comprising such an alloy and a turbomachine comprising such a blade.
    Type: Application
    Filed: June 4, 2019
    Publication date: July 15, 2021
    Applicants: SAFRAN, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE, UNIVERSITE DE POITIERS, ECOLE NATIONALE SUPERIEURE DE MECANIQUE AEROTECHNIQUE
    Inventors: Jérémy RAME, Jonathan CORMIER