Patents by Inventor Patrick VILLECHAISE

Patrick VILLECHAISE 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).

  • METHOD FOR MANUFACTURING A PART MADE OF A MONOCRYSTALLINE SUPERALLOY
    Publication number: 20220243312
    Abstract: The invention concerns a method for manufacturing an aircraft part, the part comprising a monocrystalline nickel-based superalloy substrate, the method consecutively implementing the steps of moulding the part at a moulding temperature greater than the melting temperature of the superalloy, and cooling the part, such that the monocrystalline superalloy has a ? phase and a ? phase, solution heat treatment of the part at a first temperature between the solves temperature of the ?? phase and the melting temperature of the superalloy, homogenising the crystalline structure or the part, cooling the part to ambient temperature, first tempering and second tempering.
    Type: Application
    Filed: June 26, 2020
    Publication date: August 4, 2022
    Applicants: Safran Aircraft Engines, CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS), ECOLE NATIONALE SUPERIEURE DE MECANIQUE ET D'AEROTECHNIQUE DE POITIERS, UNIVERSITE DE POITIERS
    Inventors: Satoshi UTADA, Joël DELAUTRE, Sarah HAMADI, Jonathan CORMIER, Patrick VILLECHAISE, Jérémy RAME
  • Method for heat treating by induction an alloy component for generating microstructure gradients and an alloy component heat treated according to the method
    Patent number: 11136634
    Abstract: A superalloy component heat treatment method using controlled induction heat treatment. The method being adapted to controllably generate a coarse grain microstructure region within the component from a fine grain microstructure metallic component. The method further being adapted to controllably form precipitates within the desired region in order to achieve a desired hardness therein. A single piece alloy component having a controlled core region and a controlled peripheral region. The controlled core region defining fine metallurgical grains and adapted to provide a desired fatigue resistance. The controlled peripheral region defining coarse metallurgical grains and adapted to provide a desired creep resistance.
    Type: Grant
    Filed: December 21, 2016
    Date of Patent: October 5, 2021
    Inventors: Florent Bridier, Philippe Bocher, Jonathan Cormier, Patrick Villechaise
  • METHOD FOR HEAT TREATING BY INDUCTION AN ALLOY COMPONENT FOR GENERATING MICROSTRUCTURE GRADIENTS AND AN ALLOY COMPONENT HEAT TREATED ACCORDING TO THE METHOD
    Publication number: 20180371564
    Abstract: A superalloy component heat treatment method using controlled induction heat treatment. The method being adapted to controllably generate a coarse grain microstructure region within the component from a fine grain microstructure metallic component. The method further being adapted to controllably form precipitates within the desired region in order to achieve a desired hardness therein. A single piece alloy component having a controlled core region and a controlled peripheral region. The controlled core region defining fine metallurgical grains and adapted to provide a desired fatigue resistance. The controlled peripheral region defining coarse metallurgical grains and adapted to provide a desired creep resistance.
    Type: Application
    Filed: December 21, 2016
    Publication date: December 27, 2018
    Inventors: Florent BRIDIER, Philippe BOCHER, Jonathan CORMIER, Patrick VILLECHAISE