EP 3102710 B1 20180829 - NICKEL-CHROMIUM-COBALT-TITANIUM-ALUMINUM ALLOY HAVING GOOD WEAR RESISTANCE, CREEP RESISTANCE, CORROSION RESISTANCE AND PROCESSABILITY
Title (en)
NICKEL-CHROMIUM-COBALT-TITANIUM-ALUMINUM ALLOY HAVING GOOD WEAR RESISTANCE, CREEP RESISTANCE, CORROSION RESISTANCE AND PROCESSABILITY
Title (de)
AUSHÄRTENDE NICKEL-CHROM-KOBALT-TITAN-ALUMINIUM-LEGIERUNG MIT GUTER VERSCHLEISSBESTÄNDIGKEIT, KRIECHFESTIGKEIT, KORROSIONSBESTÄNDIGKEIT UND VERARBEITBARKEIT
Title (fr)
ALLIAGE NICKEL-CHROME-COBALT-TITANE-ALUMINIUM PRÉSENTANT UNE RÉSISTANCE À L'USURE, UNE RÉSISTANCE AU FLUAGE, UNE RÉSISTANCE À LA CORROSION ÉLEVÉES ET UNE USINABILITÉ
Publication
Application
Priority
- DE 102014001330 A 20140204
- DE 2015000007 W 20150112
Abstract (en)
[origin: WO2015117583A1] Hardening wrought nickel-chromium-cobalt-titanium-aluminium alloy with very good wear resistance combined with very good creep strength, good high-temperature corrosion resistance and good processability, said alloy comprising (in % by mass) > 18 to 31% chromium, 1.0 to 3.0% titanium, 0.6 to 2.0% aluminium, > 3.0 to 40% cobalt, 0.005 to 0.10% carbon, 0.0005 to 0.050% nitrogen, 0.0005 to 0.030% phosphorus, max. 0.010% sulphur, max. 0.020% oxygen, max. 0.70% silicon, max. 2.0% manganese, max. 0.05% magnesium, max. 0.05% calcium, max. 2.0% molybdenum, max. 2.0% tungsten, max. 0.5% niobium, max. 0.5% copper, max. 0.5% vanadium, optionally 0 to 20% Fe, optionally 0 to 0.20% Zr, optionally 0.0001 to 0.008% boron, remainder nickel and the conventional process-related impurities, wherein the nickel content is greater than 35%, wherein the relationship Cr + Fe + Co ≥ 25% (1) has to be satisfied in order to achieve good wear resistance, and the relationship fh ≥ 0 (2a), where fh = 6.49 + 3.88 Ti + 1.36 Al - 0.301 Fe + (0.759 - 0.0209 Co) Co - 0.428 Cr - 28.2 C, (2) has to be satisfied in order that an adequate strength at higher temperatures is provided, wherein Ti, Al, Fe, Co, Cr and C are the concentration of the elements in question in % by mass and fh is given in %.
IPC 8 full level
C22C 19/05 (2006.01)
CPC (source: CN EP KR US)
C22C 19/05 (2013.01 - EP KR US); C22C 19/053 (2013.01 - CN KR); C22C 19/055 (2013.01 - KR); C22C 19/056 (2013.01 - EP KR US); C22C 19/058 (2013.01 - CN); C22C 30/00 (2013.01 - CN EP KR US); C22C 30/02 (2013.01 - CN EP KR US); F01L 3/02 (2013.01 - CN)
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)
DE 102014001330 A1 20150806; DE 102014001330 B4 20160512; BR 112016011895 A2 20170919; BR 112016011895 B1 20210223; CN 105899693 A 20160824; CN 105899693 B 20180410; EP 3102710 A1 20161214; EP 3102710 B1 20180829; JP 2017508884 A 20170330; KR 101824867 B1 20180202; KR 20160137511 A 20161130; SI 3102710 T1 20181231; US 10870908 B2 20201222; US 2016319402 A1 20161103; WO 2015117583 A1 20150813
DOCDB simple family (application)
DE 102014001330 A 20140204; BR 112016011895 A 20150112; CN 201580003205 A 20150112; DE 2015000007 W 20150112; EP 15704947 A 20150112; JP 2016550763 A 20150112; KR 20167021110 A 20150112; SI 201530482 T 20150112; US 201515105636 A 20150112