RU2020112701A - Деталь турбины из суперсплава с содержанием рения и/или рутения и способ её изготовления - Google Patents
Деталь турбины из суперсплава с содержанием рения и/или рутения и способ её изготовления Download PDFInfo
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- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
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- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
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- C22C19/03—Alloys based on nickel or cobalt based on nickel
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
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- C22C19/007—Alloys based on nickel or cobalt with a light metal (alkali metal Li, Na, K, Rb, Cs; earth alkali metal Be, Mg, Ca, Sr, Ba, Al Ga, Ge, Ti) or B, Si, Zr, Hf, Sc, Y, lanthanides, actinides, as the next major constituent
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- C22C19/03—Alloys based on nickel or cobalt based on nickel
- C22C19/05—Alloys based on nickel or cobalt based on nickel with chromium
- C22C19/051—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
- C22C19/057—Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
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- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/02—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material
- C23C28/027—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings only including layers of metallic material including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.
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- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/137—Spraying in vacuum or in an inert atmosphere
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
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- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
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- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2300/00—Materials; Properties thereof
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Claims (14)
1. Деталь (1) турбины, содержащая подложку (2), выполненную из монокристаллического суперсплава на основе никеля, содержащего рений и/или рутений, и имеющую фазу γ’-Ni3Al в преобладающем объёме и фазу γ-Ni, и подслой (3b) из металлического суперсплава на основе никеля, покрывающий подложку (2), отличающаяся тем, что подслой (3b) имеет фазу (12) γ’-Ni3Al, преобладающую в объёме, при этом подслой (3b) содержит среднюю атомную долю: алюминия в количестве от 0,15 до 0,25; хрома в количестве от 0,03 до 0,08; платины в количестве от 0,01 до 0,05; гафния в количестве менее 0,01 и кремния в количестве менее 0,01.
2. Деталь по п. 1, в которой подслой (3b) содержит фазу (12) γ’-Ni3Al в количестве более 95 % от объема.
3. Деталь по п. 1 или 2, в которой подслой (3b) содержит фазу (12) γ’-Ni3Al и фазу (11) β-NiAlPt.
4. Деталь по п. 1 или 2, в которой подслой (3b) содержит фазу (12) γ’-Ni3Al и фазу γ-Ni.
5. Деталь по любому из пп. 1-4, в которой массовая доля рения в подложке (2) превышает или равна 0,04.
6. Деталь по любому из пп. 1-4, в которой подслой (3b) дополнительно содержит по меньшей мере один элемент, выбранный из кобальта, молибдена, вольфрама, титана и тантала.
7. Деталь по любому из пп. 1-6, содержащая защитный слой (4) из оксида алюминия, покрывающий подслой (3b).
8. Деталь по п. 7, содержащая керамический теплоизолирующий слой (9), покрывающий защитный слой (4).
9. Деталь по любому из пп. 1-8, в которой толщина подслоя (3b) составляет от 5 до 50 мкм.
10. Лопатка (6) турбины, отличающаяся тем, что она содержит деталь (1) по любому из пп. 1-9.
11. Газотурбинный двигатель, отличающийся тем, что он содержит турбину, содержащую лопатку (6) турбины по п. 10.
12. Способ изготовления детали (1) турбины, включающий этап вакуумного нанесения подслоя (3b) из суперсплава на основе никеля, содержащего фазу γ’-Ni3Al, преобладающую в объёме, на подложку (2) из суперсплава на основе никеля с содержанием рения и/или рутения, причем подслой (3b) содержит среднюю атомную долю: алюминия в количестве от 0,15 до 0,25; хрома в количестве от 0,03 до 0,08; платины в количестве от 0,01 до 0,05; гафния в количестве менее 0,01 и кремния в количестве менее 0,01.
13. Способ по п. 12, в котором нанесение покрытия производится методом, выбранным из методов физического осаждения в паровой фазе, термического напыления, испарения посредством джоулевого тепла, импульсной абляции при облучении лазером и катодного напыления.
14. Способ по п. 12 или 13, в котором подслой (3b) наносится совместным распылением и/или совместным испарением металлических мишеней.
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FR1700965A FR3071272B1 (fr) | 2017-09-21 | 2017-09-21 | Piece de turbine en superalliage comprenant du rhenium et/ou du ruthenium et procede de fabrication associe |
PCT/FR2018/052314 WO2019058068A1 (fr) | 2017-09-21 | 2018-09-21 | Piece de turbine en superalliage comprenant du rhenium et/ou du ruthenium et procede de fabrication associe |
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