Global Patent Index - EP 2045345 A1

EP 2045345 A1 20090408 - A nickel based superalloy

Title (en)

A nickel based superalloy

Title (de)

Nickelbasis-Superlegierung

Title (fr)

Superalliage à base de nickel

Publication

EP 2045345 A1 20090408 (EN)

Application

EP 08252916 A 20080902

Priority

GB 0719195 A 20071002

Abstract (en)

A nickel base superalloy consisting of 20 to 40wt% cobalt, 10 to 15wt% chromium, 3 to 6wt% molybdenum, 0 to 5wt% tungsten, 2.5 to 4wt% aluminium, 3.4 to 5wt% titanium, 1.35 to 2.5wt% tantalum, 0 to 2wt% niobium, 0.5 to 1wt% hafnium, 0 to 0.1wt% zirconium, 0.01 to 0.05wt% carbon, 0.01 to 0.05wt% boron, 0 to 2wt% silicon and the balance nickel plus incidental impurities. The gamma prime phase comprises (Ni/Co) 3 (Al/Ti/Ta).

IPC 8 full level

C22C 19/05 (2006.01); C22C 19/07 (2006.01)

CPC (source: EP US)

C22C 1/0433 (2013.01 - EP US); C22C 1/047 (2023.01 - EP US); C22C 19/056 (2013.01 - EP US); C22C 19/07 (2013.01 - EP US); C22C 30/00 (2013.01 - EP US)

Citation (applicant)

  • C CUI ET AL.: "Microstructure and Yield Strength of Udimet 720Li Alloyed with Co-16.9wt% Ti", METALLURGICAL AND MATERIALS TRANSACTIONS A, vol. 36A, November 2005 (2005-11-01), pages 2921 - 2927
  • Y GU ET AL., NEW NI-CO-BASE DISK SUPERALLOYS WITH HIGHER STRENGTH AND CREEP RESISTANCE, vol. 55, no. 9, November 2006 (2006-11-01), pages 815 - 818

Citation (search report)

Designated contracting state (EPC)

DE ES FR GB IT SE

Designated extension state (EPC)

AL BA MK RS

DOCDB simple family (publication)

EP 2045345 A1 20090408; EP 2045345 B1 20110706; GB 0719195 D0 20071114; JP 2009097094 A 20090507; US 2009087338 A1 20090402; US 2012269646 A1 20121025

DOCDB simple family (application)

EP 08252916 A 20080902; GB 0719195 A 20071002; JP 2008256141 A 20081001; US 201213538184 A 20120629; US 23074408 A 20080904