EP 2218798 B1 20160914 - Lower cost high strength single crystal superalloys with reduced Re and Ru content
Title (en)
Lower cost high strength single crystal superalloys with reduced Re and Ru content
Title (de)
Kostengünstigere hochfeste Einzelkristall-Superlegierungen mit reduziertem Re- und Ru-Gehalt
Title (fr)
Superalliages monocristallins hautement résistants et peu onéreux avec une teneur réduite en Re et en Ru
Publication
Application
Priority
US 11871408 P 20081201
Abstract (en)
[origin: US2010135846A1] A first embodiment of a nickel based alloy consists essentially of from 3.0 to 5.2 wt % chromium, from 1.5 to 3.0 wt % molybdenum, from 6.0 to 12.5 wt % tungsten, from 5.0 to 11 wt % tantalum, from 5.5 to 6.5 wt % aluminum, from 11 to 14 wt % cobalt, from 0.001 to 1.75 wt % rhenium, from 0.2 to 0.6 wt % hafnium, up to 0.05 wt % yttrium, up to 3.0 wt % ruthenium, and the balance nickel. Another embodiment of a nickel based alloy consists essentially of from 1.0 to 3.0 wt % chromium, up to 2.5 wt % molybdenum, from 11 to 16 wt % tungsten, from 4.0 to 8.0 tantalum, from 5.7 to 6.5 wt % aluminum, from 11 to 15 wt % cobalt, from 2.0 to 4.0 wt % rhenium, from 0.2 to 0.6 wt % hafnium, up to 0.05 wt % yttrium, up to 3.0 wt % ruthenium, and the balance nickel.
IPC 8 full level
C22C 19/05 (2006.01)
CPC (source: EP US)
C22C 19/057 (2013.01 - EP US)
Citation (opposition)
Opponent : Siemens Aktiengesellschaft
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Designated contracting state (EPC)
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 SE SI SK SM TR
DOCDB simple family (publication)
US 2010135846 A1 20100603; EP 2218798 A2 20100818; EP 2218798 A3 20111123; EP 2218798 B1 20160914; EP 3141623 A1 20170315; EP 3141623 B1 20190529
DOCDB simple family (application)
US 62723209 A 20091130; EP 09252708 A 20091201; EP 16181107 A 20091201