Search International and National Patent Collections

1. (WO2018078269) SUPERALLOY BASED ON NICKEL, MONOCRYSTALLINE BLADE AND TURBOMACHINE

Pub. No.:    WO/2018/078269    International Application No.:    PCT/FR2017/052918
Publication Date: Fri May 04 01:59:59 CEST 2018 International Filing Date: Wed Oct 25 01:59:59 CEST 2017
IPC: C22C 19/05
Applicants: SAFRAN
SAFRAN AIRCRAFT ENGINES
OFFICE NATIONAL D'ETUDES ET DE RECHERCHES AEROSPATIALES
SAFRAN HELICOPTERS ENGINES
Inventors: RAME, Jérémy
BELAYGUE, Philippe
CARON, Pierre
DELAUTRE, Joël
JAQUET, Virginie
LAVIGNE, Odile
Title: SUPERALLOY BASED ON NICKEL, MONOCRYSTALLINE BLADE AND TURBOMACHINE
Abstract:
The invention relates to a superalloy based on nickel, comprising, in mass percentages, 4.0 to 6.0 % of chromium, 0.4 to 0.8 % of molybdenum, 2.5 to 3.5 % of rhenium, 6.2 to 6.6 % of tungsten, 5.2 to 5.7 % of aluminium, 0.0 to 1.6 % of titanium, 6.0 to 9.9 % of tantalum, 0.0 to 0.7 % of hafnium, and 0.0 to 0.3 % of silicon, the rest consisting of nickel and potential impurities. The invention also relates to a monocrystalline blade (20A, 20B) comprising such an alloy and to a turbomachine (10) comprising such a blade (20A, 20B).