EP 2520678 A2 20121107 - Nickel-base alloy
Title (en)
Nickel-base alloy
Title (de)
Legierungen auf Nickelbasis
Title (fr)
Alliages à base de nickel
Publication
Application
Priority
US 201113100441 A 20110504
Abstract (en)
The invention is a class of nickel-base alloys for gas turbine applications, comprising, by weight, about 13.7 to about 14.3 percent chromium, about 5.0 to about 10.0 percent cobalt, about 3.5 to about 5.2 percent tungsten, about 2.8 to about 5.2 percent titanium, about 2.8 to about 4.6 percent aluminum, about 0.0 to about 3.5 percent tantalum, about 1.0 to about 1.7 percent molybdenum, about 0.08 to about 0.13 percent carbon, about 0.005 to about 0.02 percent boron, about 0.0 to about 1.5 percent niobium, about 0.0 to about 2.5 percent hafnium, about 0.0 to about 0.04 percent zirconium, and the balance substantially nickel. The nickel-base alloys may be provided in the form of useful articles of manufacture, and which possess a unique combination of mechanical properties, microstructural stability, resistance to localized pitting and hot corrosion in high temperature corrosive environments, and high yields during the initial forming process as well as post-forming manufacturing and repair processes.
IPC 8 full level
C22C 19/05 (2006.01)
CPC (source: EP US)
C22C 19/05 (2013.01 - EP US); C22C 19/056 (2013.01 - EP US); F01D 5/28 (2013.01 - EP US); F05D 2300/607 (2013.01 - EP US)
Citation (applicant)
- US 6416596 B1 20020709 - WOOD JOHN H [US], et al
- US 3615376 A 19711026 - ROSS EARL W
- US 6902633 B2 20050607 - KING WARREN TAN [US], et al
- US 2007095441 A1 20070503 - JIANG LIANG [US], et al
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
DOCDB simple family (publication)
EP 2520678 A2 20121107; EP 2520678 A3 20161214; EP 2520678 B1 20190320; CN 102766787 A 20121107; CN 102766787 B 20160928; US 2012282086 A1 20121108
DOCDB simple family (application)
EP 12166469 A 20120502; CN 201210205495 A 20120504; US 201113100441 A 20110504