EP3697938B1 - Alliage à base de nickel - Google Patents

Alliage à base de nickel 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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German (de)
English (en)
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EP3697938A1 (fr
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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. Composition d'alliage à base de nickel constituée, en pourcentage en poids, de : entre 9,5 et 14,4 % de chrome, entre 3,8 et 8,1 % de cobalt, entre 0,0 et 4,0 % de fer, entre 0,6 et 5,1 % de molybdène, entre 0,7 et 6,2 % de tungstène, entre 2,6 et 3,3 % d'aluminium, entre 2,3 et 5,6 % de titane, entre 0,0 et 4,0 % de niobium, entre 0,0 et 2,4 % de tantale, entre 0,01 et 0,1 % de carbone, entre 0,001 et 0,1 % de bore, entre 0,001 et 0,3 % de zirconium, entre 0,0 et 0,5 % de silicium, entre 0,0 et 0,1 % d'yttrium, entre 0,0 et 0,1 % de lanthane, entre 0,0 et 0,1 % de cérium, entre 0,0 et 0,003 % de soufre, entre 0,0 et 0,25 % de manganèse, entre 0,0 et 0,5 % de vanadium, entre 0,0 et 0,5 % de cuivre, et entre 0,0 et 0,5 % d'hafnium, le reste étant du nickel et des impuretés accidentelles,
    dans laquelle l'équation suivante est satisfaite, dans laquelle WNb, WTa, WTi et WAl sont respectivement les pourcentages en poids de niobium, de tantale, de titane et d'aluminium dans l'alliage 0,6 W Ti + 0,31 W Nb + 0,27 W Ta + 0,12 W A 1 3,7
    Figure imgb0060
  2. Alliage à base de nickel de composition selon la revendication 1, dans lequel l'équation suivante est satisfaite, dans laquelle WNb, WTa et WCo sont respectivement les pourcentages en poids de niobium, de tantale et de cobalt dans l'alliage, W Nb + 1,53 W Co + 3,7 W Ta 14,7
    Figure imgb0061
    préférablement W Nb + 1,53 W Co + 3,7 W Ta 12,4
    Figure imgb0062
    le plus préférablement W Nb + 1,53 W Co + 3,7 W Ta 9,5
    Figure imgb0063
  3. Alliage à base de nickel de composition selon la revendication 1 ou 2, dans lequel l'équation suivante est satisfaite, dans laquelle WNb, WTa, WTi et WAl sont respectivement les pourcentages en poids de niobium, tantale, titantum et aluminium dans l'alliage 0,6 W Ti + 0,31 W Nb + 0,27 W Ta + 0,12 W Al 4,0
    Figure imgb0064
    et/ou dans lequel l'équation suivante est satisfaite, dans laquelle WNb, WTa, WTi et WAl sont respectivement les pourcentages en poids de niobium, de tantale, de titane et d'aluminium dans l'alliage 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,9 W Al 6,3
    Figure imgb0065
    préférablement 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,9 W Al 5,9
    Figure imgb0066
    et/ou dans lequel l'équation suivante est satisfaite, dans laquelle WNb, WTa, WTi et WAl sont respectivement les pourcentages en poids de niobium, tantale, titane et aluminium dans l'alliage 5,4 0,6 W Ti + 0,31 W Nb + 0,15 W Ta + 0,8 W Al 6,0
    Figure imgb0067
  4. Alliage à base de nickel de composition selon la revendication 1, 2 ou 3, dans lequel l'équation suivante est satisfaite, dans laquelle WNb, WTa, WTi et WAl sont respectivement les pourcentages en poids de niobium, de tantale, de titane et d'aluminium dans l'alliage 0,6 W Ti + 0,31 W Nb + 0,15 W Ta / W Al 1,3
    Figure imgb0068
  5. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 4, dans lequel l'équation suivante est satisfaite, dans laquelle Ww et WTa, sont respectivement les pourcentages en poids de tungstène et de tantale, dans l'alliage W W + 1,1 W Ta 6,2
    Figure imgb0069
    préférablement W W + 1,1 W Ta 4,6
    Figure imgb0070
    le plus préférablement W W + 1,1 W Ta 2,9
    Figure imgb0071
  6. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 5, dans lequel l'équation suivante est satisfaite, dans laquelle Ww, WCo et WMo, sont respectivement les pourcentages en poids de tungstène, de cobalt et de molybdène, dans l'alliage W W + 0,96 W Co + 1,2 W Mo 16,0
    Figure imgb0072
  7. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 6, constitué, en pourcentage en poids, de 10,0 % en poids ou plus de chrome, plus préférablement de 11,5 % en poids ou plus de chrome.
  8. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 7, constitué, en pourcentage en poids, de 5,5 % en poids ou plus de cobalt et/ou constitué, en pourcentage en poids, de 8,0 % en poids ou moins de cobalt, préférablement de 6,0 % en poids ou moins de cobalt.
  9. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 8, constitué, en pourcentage en poids, de 2,2 % en poids ou plus de molybdène, préférablement de 3,6 % en poids ou plus de molybdène et/ou constitué, en pourcentage en poids, de 4,1 % en poids ou moins de molybdène.
  10. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 9, constitué, en pourcentage en poids, de 1,9 % en poids ou plus de tungstène.
  11. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 10, constitué, en pourcentage en poids, de 4,6 % en poids ou moins de tungstène, préférablement de 2,9 % en poids ou moins de tungstène.
  12. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 11, constitué, en pourcentage en poids, de 3,0 % en poids ou moins d'aluminium.
  13. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 12, constitué, en pourcentage en poids, de 2,6 % en poids ou plus de titane, préférablement de 3,0 % en poids ou plus de titane, plus préférablement de 3,5 % en poids ou plus de titane, le plus préférablement de 4,1 % en poids ou plus de titane.
  14. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 13, constitué, en pourcentage en poids, de 1,8 % en poids ou moins de tantale, préférablement de 1,0 % en poids ou moins de tantale.
  15. Alliage à base de nickel de composition selon l'une quelconque des revendications 1 à 14, constitué, en pourcentage en poids, de 2,7 % en poids ou moins de niobium.
EP18788879.7A 2017-10-16 2018-10-16 Alliage à base de nickel Active EP3697938B1 (fr)

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 (fr) 2017-10-16 2018-10-16 Alliage à base de nickel

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EP3697938A1 EP3697938A1 (fr) 2020-08-26
EP3697938B1 true EP3697938B1 (fr) 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 (fr) 2019-05-03 2020-11-12 Oerlikon Metco (Us) Inc. Charge d'alimentation pulverulente destinee au soudage en vrac resistant a l'usure, concue pour optimiser la facilite de production
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 (fr) 2019-04-25
GB2567492B (en) 2020-09-23
GB2567492A (en) 2019-04-17
GB201716964D0 (en) 2017-11-29
JP2020537051A (ja) 2020-12-17
EP3697938A1 (fr) 2020-08-26

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