EP3697938B1 - Nickelbasierte legierung - Google Patents

Nickelbasierte legierung Download PDF

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Publication number
EP3697938B1
EP3697938B1 EP18788879.7A EP18788879A EP3697938B1 EP 3697938 B1 EP3697938 B1 EP 3697938B1 EP 18788879 A EP18788879 A EP 18788879A EP 3697938 B1 EP3697938 B1 EP 3697938B1
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Prior art keywords
alloy
tantalum
niobium
nickel
titanium
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EP18788879.7A
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English (en)
French (fr)
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EP3697938A1 (de
Inventor
David Crudden
Roger Charles REED
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Alloyed Ltd
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Alloyed Ltd
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    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/06Rotors for more than one axial stage, e.g. of drum or multiple disc type; Details thereof, e.g. shafts, shaft connections
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/10Metals, alloys or intermetallic compounds
    • F05D2300/17Alloys
    • F05D2300/177Ni - Si alloys

Definitions

  • This alloy provides a good compromise between high strength, cost, oxidation/corrosion resistance and resistance to TCP formation.
  • a gas turbine engine comprises the turbine disc made from the nickel-based alloy composition of the present invention.
  • a constant is added to convert the elemental additions of niobium (8.57 g/cm 3 ) and tantalum (16.4 g/cm 3 ) to an "aluminium equivalent", thus, niobium and tantalum have correctional factors (determined from their density relative to aluminium) of 0.3 and 0.15 respectively. From Figures 7-11 a relationship between elemental additions (based upon titanium, aluminium and niobium) and target alloy strength was derived.
  • a minimum tungsten content of 0.7 wt.% is required at cobalt of 9.6 wt.%, this amount of cobalt not falling under the scope of the invention, to achieve the minimum creep merit index of 2.4 x 10 -15 m -2 s, Figure 20 .
  • molybdenum is limited to 4.1% for improved alloy stability (see below), thus a tungsten content of greater than 1.9 wt.% is preferred as this results in a better balance of creep resistance and alloy stability.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Powder Metallurgy (AREA)

Claims (15)

  1. Legierungszusammensetzung auf Nickelbasis, bestehend, in Gewichtsprozent, aus: zwischen 9,5 und 14,4 % Chrom, zwischen 3,8 und 8,1 % Kobalt, zwischen 0,0 und 4,0 % Eisen, zwischen 0,6 und 5,1 % Molybdän, zwischen 0,7 und 6,2 % Wolfram, zwischen 2,6 und 3,3 % Aluminium, 2,3 und 5,6 % Titan, 0,0 und 4,0 % Niob, zwischen 0,0 und 2,4 % Tantal, zwischen 0,01 und 0,1 % Kohlenstoff, zwischen 0,001 und 0,1 % Bor, zwischen 0,001 und 0,3 % Zirkonium, zwischen 0,0 und 0,5 % Silizium, zwischen 0,0 und 0,1 % Yttrium, zwischen 0,0 und 0,1 % Lanthan, zwischen 0,0 und 0,1 % Cer, zwischen 0,0 und 0,003 % Schwefel, zwischen 0,0 und 0,25 % Mangan, zwischen 0,0 und 0,5 % Vanadium, zwischen 0,0 und 0,5 % Kupfer und zwischen 0,0 und 0,5 % Hafnium, wobei der Rest Nickel und zufällige Verunreinigungen sind,
    wobei die folgende Gleichung erfüllt ist, in der WNb, WTa, WTi und WAl die Gewichtsprozente von Niob, Tantal, Titan bzw. Aluminium in der Legierung sind 0,6 W Ti + 0,31 W Nb + 0,27 W Ta + 0,12 W Al 3,7
    Figure imgb0047
  2. Legierung auf Nickelbasis der Zusammensetzung nach Anspruch 1, wobei die folgende Gleichung erfüllt ist, in der WNb, WTa und WCo die Gewichtsprozente von Niob, Tantal bzw. Kobalt in der Legierung sind, W Nb + 1,53 W Co + 3,7 W Ta 14,7
    Figure imgb0048
    vorzugsweise W Nb + 1,53 W Co + 3,7 W Ta 12,4
    Figure imgb0049
    am bevorzugtesten W Nb + 1,53 W Co + 3,7 W Ta 9,5
    Figure imgb0050
  3. Legierung auf Nickelbasis der Zusammensetzung nach Anspruch 1 oder 2, wobei die folgende Gleichung erfüllt ist, in der WNb, WTa, WTi und WAl die Gewichtsprozente von Niob, Tantal, Titan bzw. Aluminium in der Legierung sind 0,6 W Ti + 0,31 W Nb + 0,27 W Ta + 0,12 W Al 4,0
    Figure imgb0051
    und/oder wobei die folgende Gleichung erfüllt ist, in der WNb, WTa, WTi und WAl die Gewichtsprozente von Niob, Tantal, Titan bzw. Aluminium in der Legierung sind 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,9 W A 1 6,3
    Figure imgb0052
    vorzugsweise 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,9 W A 1 5,9
    Figure imgb0053
    und/oder wobei die folgende Gleichung erfüllt ist, in der WNb, WTa, WTi und WAl die Gewichtsprozente von Niob, Tantal, Titan bzw. Aluminium in der Legierung sind 5,4 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,8 W A 1 6,0
    Figure imgb0054
  4. Legierung auf Nickelbasis der Zusammensetzung nach Anspruch 1, 2 oder 3, wobei die folgende Gleichung erfüllt ist, in der WNb, WTa, WTi und WAl die Gewichtsprozente von Niob, Tantal, Titan bzw. Aluminium in der Legierung sind 0,6 W Ti + 0,31 W Nb + 0,15 W Ta / W A 1 1,3
    Figure imgb0055
  5. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 4, wobei die folgende Gleichung erfüllt ist, in der Ww und WTa die Gewichtsprozente von Wolfram bzw. Tantal in der Legierung sind W W + 1,1 W Ta 6,2
    Figure imgb0056
    vorzugsweise W W + 1,1 W Ta 4,6
    Figure imgb0057
    am bevorzugtesten W W + 1,1 W Ta 2,9
    Figure imgb0058
  6. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 5, wobei die folgende Gleichung erfüllt ist, in der Ww, Wco und WMo die Gewichtsprozente von Wolfram, Kobalt bzw. Molybdän in der Legierung sind W W + 0,96 W Co + 1,2 W Mo 16,0
    Figure imgb0059
  7. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 6, die, in Gewichtsprozent, aus 10,0 Gew.-% oder mehr Chrom, bevorzugter aus 11,5 Gew.-% oder mehr Chrom besteht.
  8. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 7, die, in Gewichtsprozent, aus 5,5 Gew.-% oder mehr Kobalt und/oder, in Gewichtsprozent, aus 8,0 Gew.-% oder weniger Kobalt, vorzugsweise aus 6,0 Gew.-% oder weniger Kobalt besteht.
  9. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 8, die, in Gewichtsprozent, aus 2,2 Gew.-% oder mehr Molybdän, vorzugsweise aus 3,6 Gew.-% oder mehr Molybdän besteht und/oder, in Gewichtsprozent, aus 4,1 Gew.-% oder weniger Molybdän besteht.
  10. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 9, die, in Gewichtsprozent, aus 1,9 Gew.-% oder mehr Wolfram besteht.
  11. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 10, die, in Gewichtsprozent, aus 4,6 Gew.-% oder weniger Wolfram, vorzugsweise aus 2,9 Gew.% oder weniger Wolfram besteht.
  12. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 11, die, in Gewichtsprozent, aus 3,0 Gew.-% oder weniger Aluminium besteht.
  13. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 12, die, in Gewichtsprozent, aus 2,6 Gew.-% oder mehr Titan, vorzugsweise aus 3,0 Gew.-% oder mehr Titan, noch bevorzugter aus 3,5 Gew.-% oder mehr Titan und am bevorzugtesten aus 4,1 Gew.-% oder mehr Titan besteht.
  14. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 13, die, in Gewichtsprozent, aus 1,8 Gew.-% oder weniger Tantal, vorzugsweise aus 1,0 Gew.-% oder weniger Tantal besteht.
  15. Legierung auf Nickelbasis der Zusammensetzung nach einem der Ansprüche 1 bis 14, die, in Gewichtsprozent, aus 2,7 Gew.-% oder weniger Niob besteht.
EP18788879.7A 2017-10-16 2018-10-16 Nickelbasierte legierung Active EP3697938B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1716964.0A GB2567492B (en) 2017-10-16 2017-10-16 A nickel-based alloy
PCT/GB2018/052973 WO2019077333A1 (en) 2017-10-16 2018-10-16 ALLOY BASED ON NICKEL

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EP3697938A1 EP3697938A1 (de) 2020-08-26
EP3697938B1 true EP3697938B1 (de) 2022-05-25

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CN113195759B (zh) 2018-10-26 2023-09-19 欧瑞康美科(美国)公司 耐腐蚀和耐磨镍基合金
CA3136967A1 (en) 2019-05-03 2020-11-12 Oerlikon Metco (Us) Inc. Powder feedstock for wear resistant bulk welding configured to optimize manufacturability
US11384414B2 (en) * 2020-02-07 2022-07-12 General Electric Company Nickel-based superalloys

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Publication number Priority date Publication date Assignee Title
US3619182A (en) * 1968-05-31 1971-11-09 Int Nickel Co Cast nickel-base alloy
US3902862A (en) * 1972-09-11 1975-09-02 Crucible Inc Nickel-base superalloy articles and method for producing the same
GB1511562A (en) * 1974-07-17 1978-05-24 Gen Electric Nickel-base alloys
US6416596B1 (en) * 1974-07-17 2002-07-09 The General Electric Company Cast nickel-base alloy
JPH0339434A (ja) * 1989-07-05 1991-02-20 General Electric Co <Ge> 耐疲れ亀裂性ニッケル基超合金の製造方法およびその製品
US6231692B1 (en) * 1999-01-28 2001-05-15 Howmet Research Corporation Nickel base superalloy with improved machinability and method of making thereof
JP4449337B2 (ja) * 2003-05-09 2010-04-14 株式会社日立製作所 高耐酸化性Ni基超合金鋳造物及びガスタービン部品
US8267662B2 (en) * 2007-12-13 2012-09-18 General Electric Company Monolithic and bi-metallic turbine blade dampers and method of manufacture
JP5063550B2 (ja) * 2008-09-30 2012-10-31 株式会社日立製作所 ニッケル基合金及びそれを用いたガスタービン翼
CN101974708A (zh) * 2010-11-05 2011-02-16 钢铁研究总院 一种抗热蚀定向凝固镍基铸造高温合金
US20120282086A1 (en) * 2011-05-04 2012-11-08 General Electric Company Nickel-base alloy
JP5597598B2 (ja) * 2011-06-10 2014-10-01 株式会社日立製作所 Ni基超合金と、それを用いたガスタービンのタービン動・静翼
JP2014047389A (ja) * 2012-08-31 2014-03-17 Hitachi Ltd 発電用ガスタービン用動翼と、熱処理方法
US10266926B2 (en) * 2013-04-23 2019-04-23 General Electric Company Cast nickel-base alloys including iron
GB201409444D0 (en) * 2014-05-28 2014-07-09 Univ Manchester Bond coat

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WO2019077333A1 (en) 2019-04-25
GB2567492B (en) 2020-09-23
GB2567492A (en) 2019-04-17
GB201716964D0 (en) 2017-11-29
JP2020537051A (ja) 2020-12-17
EP3697938A1 (de) 2020-08-26

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