Global Patent Index - EP 4367278 A1

EP 4367278 A1 20240515 - NICKEL-BASED SUPERALLOY, SINGLE-CRYSTAL GUIDE VANE AND TURBINE ENGINE

Title (en)

NICKEL-BASED SUPERALLOY, SINGLE-CRYSTAL GUIDE VANE AND TURBINE ENGINE

Title (de)

SUPERLEGIERUNG AUF NICKELBASIS, EINKRISTALLINE LEITSCHAUFEL UND TURBINENMOTOR

Title (fr)

SUPERALLIAGE À BASE DE NICKEL, AUBE MONOCRISTALLINE ET TURBOMACHINE

Publication

EP 4367278 A1 20240515 (FR)

Application

EP 22754898 A 20220705

Priority

  • FR 2107327 A 20210707
  • FR 2022051340 W 20220705

Abstract (en)

[origin: WO2023281205A1] The invention relates to a nickel-based superalloy comprising in percentages by mass: 5.0 to 6.5% of aluminum, 0.50 to 2.5% of tantalum, 1.50 to 4.0% of titanium, 0 to 7.0% of cobalt, 12.0 to 16.0% of chromium, 0.50 to 2.5% of molybdenum, 0 to 2.0% of tungsten, 0.05 to 0.15% of hafnium, 0 to 0.15% of silicon, the remainder consisting of nickel and unavoidable impurities. The invention also relates to a single-crystal guide vane (20A, 20B) comprising such an alloy and to a turbine engine (10) comprising such a guide vane (20A, 20B).

IPC 8 full level

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

CPC (source: EP)

C22C 19/056 (2013.01); F01D 5/28 (2013.01); F05D 2300/175 (2013.01)

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

Designated extension state (EPC)

BA ME

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

WO 2023281205 A1 20230112; CN 117651783 A 20240305; EP 4367278 A1 20240515; FR 3125067 A1 20230113; FR 3125067 B1 20240119

DOCDB simple family (application)

FR 2022051340 W 20220705; CN 202280048363 A 20220705; EP 22754898 A 20220705; FR 2107327 A 20210707