Global Patent Index - EP 3911774 B1

EP 3911774 B1 20230301 - NICKEL BASED ALLOY HAVING HIGH MECHANICAL STRENGTH AT HIGH TEMPERATURE

Title (en)

NICKEL BASED ALLOY HAVING HIGH MECHANICAL STRENGTH AT HIGH TEMPERATURE

Title (de)

NICKELBASISLEGIERUNG MIT HOHER MECHANISCHER FESTIGKEIT BEI HOHER TEMPERATUR

Title (fr)

SUPERALLIAGE A BASE DE NICKEL A TENUE MECANIQUE ELEVEE A HAUTE TEMPERATURE

Publication

EP 3911774 B1 20230301 (FR)

Application

EP 20706569 A 20200114

Priority

  • FR 1900390 A 20190116
  • FR 2020050049 W 20200114

Abstract (en)

[origin: WO2020148504A1] The invention relates to a nickel-based superalloy comprising, in weight percentages, 4 to 6% of aluminum, 5 to 8% of cobalt, 6 to 9% of chromium, 0.1 to 0.9% of hafnium, 2 to 4% of molybdenum, 5 to 7% of rhenium, 5 to 7% of tantalum, 2 to 5% of tungsten, 0 to 0.1% of silicon, the remainder being nickel and inevitable impurities.

IPC 8 full level

C22C 19/05 (2006.01); C23C 28/00 (2006.01); F01D 5/00 (2006.01)

CPC (source: EP US)

C22C 19/057 (2013.01 - EP US); C23C 4/02 (2013.01 - EP); C23C 4/11 (2016.01 - EP); C23C 4/134 (2016.01 - EP); C23C 28/00 (2013.01 - EP); C23C 28/30 (2013.01 - EP); C23C 28/321 (2013.01 - EP US); C23C 28/3215 (2013.01 - EP); C23C 28/345 (2013.01 - EP); C23C 28/3455 (2013.01 - EP US); F01D 5/28 (2013.01 - EP); F01D 5/288 (2013.01 - US); C22C 2204/00 (2013.01 - US); F01D 5/288 (2013.01 - EP); F05B 2280/10741 (2013.01 - EP US); F05D 2300/13 (2013.01 - EP); F05D 2300/17 (2013.01 - EP); F05D 2300/607 (2013.01 - EP)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

FR 3091709 A1 20200717; FR 3091709 B1 20210122; CN 113544303 A 20211022; EP 3911774 A1 20211124; EP 3911774 B1 20230301; US 2022098705 A1 20220331; WO 2020148504 A1 20200723

DOCDB simple family (application)

FR 1900390 A 20190116; CN 202080009476 A 20200114; EP 20706569 A 20200114; FR 2020050049 W 20200114; US 202017422044 A 20200114