Global Patent Index - EP 0924309 A2

EP 0924309 A2 19990623 - Tantalum-containing nickel base superalloy

Title (en)

Tantalum-containing nickel base superalloy

Title (de)

Nickelsuperlegierung mit Tantal

Title (fr)

Une superalliage avec tantale

Publication

EP 0924309 A2 19990623 (EN)

Application

EP 98309980 A 19981204

Priority

US 99190097 A 19971217

Abstract (en)

A tantalum-containing nickel base superalloy strengthened by gamma precipitates has greatly improved temperature capability, with a fatigue cracking resistance substantially independent of the fatigue frequency and waveform up to about 1500 DEG F. <IMAGE>

IPC 1-7

C22C 19/05

IPC 8 full level

C22C 1/04 (2006.01); C22C 19/05 (2006.01)

CPC (source: EP)

C22C 1/0433 (2013.01); C22C 19/056 (2013.01)

Designated contracting state (EPC)

DE FR GB IT

DOCDB simple family (publication)

EP 0924309 A2 19990623; EP 0924309 A3 19990908

DOCDB simple family (application)

EP 98309980 A 19981204