EP 2371977 B1 20160316 - Cobalt alloy and method for its manufacture
Title (en)
Cobalt alloy and method for its manufacture
Title (de)
Kobaltlegierung sowie Verfahren zu deren Herstellung
Title (fr)
Alliage de cobalt et son procédé de fabrication
Publication
Application
Priority
- EP 10157037 A 20100319
- EP 11158754 A 20110318
Abstract (en)
[origin: EP2371977A1] A cobalt alloy comprises (in weight%) cobalt (30), nickel (0-20), chromium (5-30), carbon (0.4-2.5) and carbide-forming metal(s) forming carbides with the carbon, where the atomic ratio in the alloy of the carbide-forming metal to the carbon amount is 0.8, and the alloy optionally contains molybdenum, tungsten, aluminum, titanium, niobium, iron, silicon, manganese, vanadium, boron, zirconium and/or contaminants. The carbides are present in the alloy in the form of a finely dispersed phase without a preferred direction. An independent claim is also included for a method for manufacturing a cobalt alloy.
IPC 8 full level
C22C 19/07 (2006.01)
CPC (source: EP US)
C22C 19/07 (2013.01 - EP US); Y10T 29/49318 (2015.01 - EP US)
Citation (examination)
- SPIEKERMANN P: "LEGIERUNGEN - EIN BESONDERES PATENTRECHTLICHES PROBLEM? - LEGIERUNGSPRUEFUNG IM EUROPAEISCHEN PATENTAMT -", MITTEILUNGEN DER DEUTSCHEN PATENTANWAELTE, HEYMANN, KOLN, DE, 1 January 1993 (1993-01-01), pages 178 - 190, XP000961882, ISSN: 0026-6884
- ELIHU F. BRADLEY: "Superalloys A Technical Guide", 1 May 1989, ASM INTERNATIONAL, Metals Park, OH 44073, pages: 39 - 40
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
DOCDB simple family (publication)
EP 2371977 A1 20111005; EP 2371977 B1 20160316; US 2011225823 A1 20110922
DOCDB simple family (application)
EP 11158754 A 20110318; US 201113051205 A 20110318