EP 2510131 B1 20210324 - METHOD FOR MANUFACTURING INCONEL 718 NICKEL SUPERALLOYS
Title (en)
METHOD FOR MANUFACTURING INCONEL 718 NICKEL SUPERALLOYS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON INCONEL-718-NICKELSUPERLEGIERUNGEN
Title (fr)
PROCEDE DE FABRICATION DE SUPERALLIAGES DE NICKEL DE TYPE INCONEL 718
Publication
Application
Priority
- FR 0958815 A 20091210
- FR 2010052658 W 20101209
Abstract (en)
[origin: WO2011070302A1] The invention relates to a method for manufacturing Inconel 718 nickel superalloys. The last step for forging undergone by said nickel superalloy is such that said step is carried out at a temperature T less than the d-solvus temperature where, at every point M of said nickel superalloy, the local deformation rate D is at least equal to a minimum value Dm. Said method is characterized in that said nickel superalloy does not undergo heat treatment at a temperature greater than a threshold temperature Ts equal to 750° C after said quenching.
IPC 8 full level
C22C 19/05 (2006.01); C22F 1/10 (2006.01); F01D 1/00 (2006.01)
CPC (source: EP US)
C22C 19/056 (2013.01 - EP US); C22F 1/10 (2013.01 - EP US)
Citation (examination)
- Y DESVALL&ES ET AL: "DELTA PHASE IN INCONEL 718: MECHANICAL PROPERTIES AND FORGING PROCESS REQUIREMENTS Background", 2 January 1994 (1994-01-02), XP055402560, Retrieved from the Internet <URL:http://www.tms.org/superalloys/10.7449/1994/Superalloys_1994_281_291.pdf> [retrieved on 20170830]
- W. HORVATH ET AL: "The Effectiveness of Direct Aging on INCONEL 718 Forgings Produced at High Strain Rates as Obtained on a Screw Press", SUPERALLOYS 718, 625, 706 AND VARIOUS DERIVATIVES : PROCEEDINGS OF THE INTERNATIONAL SYMPOSIUM ON SUPERALLOYS 718, 625, 706 AND VARIOUS DERIVATIVES ; HELD JUNE 17 - 20, 2001, 1 January 2001 (2001-01-01), Warrendale, Pa., pages 223 - 228, XP055579520, ISBN: 978-0-87339-510-6, DOI: 10.7449/2001/Superalloys_2001_223_228
- D D KRUEGER: "THE DEVELOPMFNT OF DIRECT AGE 718 FOR GAS TURBINE ENGINE DISK APPLICATIONS", METALS & MATERIALS SOCIETY, 1 January 1989 (1989-01-01), pages 279, XP055579530, Retrieved from the Internet <URL:http://www.tms.org/Superalloys/10.7449/1989/Superalloys_1989_279_296.pdf> [retrieved on 19890101]
- "Metalworking: Bulk Forming", 1 January 2005, ASM INTERNATIONAL, ISBN: 978-1-62708-185-6, article D. U. FURRER: "Forging of Nickel-Base Alloys", pages: 324 - 330, XP055581727, DOI: 10.31399/asm.hb.v14a.a0003999
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)
WO 2011070302 A1 20110616; BR 112012013752 A2 20160315; CA 2782460 A1 20110616; CN 102652179 A 20120829; CN 102652179 B 20151125; EP 2510131 A1 20121017; EP 2510131 B1 20210324; FR 2953860 A1 20110617; FR 2953860 B1 20150515; JP 2013513728 A 20130422; JP 5951499 B2 20160713; RU 2012128876 A 20140120; RU 2567968 C2 20151110; US 2012247626 A1 20121004
DOCDB simple family (application)
FR 2010052658 W 20101209; BR 112012013752 A 20101209; CA 2782460 A 20101209; CN 201080056172 A 20101209; EP 10801646 A 20101209; FR 0958815 A 20091210; JP 2012542604 A 20101209; RU 2012128876 A 20101209; US 201013514891 A 20101209