RU2004100105A - Истираемая уплотнительная система - Google Patents

Истираемая уплотнительная система Download PDF

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Publication number
RU2004100105A
RU2004100105A RU2004100105/06A RU2004100105A RU2004100105A RU 2004100105 A RU2004100105 A RU 2004100105A RU 2004100105/06 A RU2004100105/06 A RU 2004100105/06A RU 2004100105 A RU2004100105 A RU 2004100105A RU 2004100105 A RU2004100105 A RU 2004100105A
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RU
Russia
Prior art keywords
coating
porous ceramic
abrasive
seal
turbine blade
Prior art date
Application number
RU2004100105/06A
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English (en)
Other versions
RU2292465C2 (ru
Inventor
Питер ГОВАРД (US)
Питер ГОВАРД
Рави ШАНКАР (US)
Рави ШАНКАР
Ричард ФЕНТОН (US)
Ричард ФЕНТОН
Original Assignee
Хромэллой Гэз Тербайн Корпорейшн (Us)
Хромэллой Гэз Тербайн Корпорейшн
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Application filed by Хромэллой Гэз Тербайн Корпорейшн (Us), Хромэллой Гэз Тербайн Корпорейшн filed Critical Хромэллой Гэз Тербайн Корпорейшн (Us)
Publication of RU2004100105A publication Critical patent/RU2004100105A/ru
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Publication of RU2292465C2 publication Critical patent/RU2292465C2/ru

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00—Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08—Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • 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
    • C23C28/021—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 alloy layer
    • C23C28/022—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 alloy layer with at least one MCrAlX layer
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • 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.
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • 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
    • C23C28/028—Including graded layers in composition or in physical properties, e.g. density, porosity, grain size
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides
    • F05C2203/0804—Non-oxide ceramics
    • F05C2203/083—Nitrides
    • F05C2203/0839—Nitrides of boron
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12493—Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771—Transition metal-base component
    • Y10T428/12806—Refractory [Group IVB, VB, or VIB] metal-base component
    • Y10T428/12819—Group VB metal-base component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Sealing Devices (AREA)
  • Nonmetallic Welding Materials (AREA)
  • Glass Compositions (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Seal Device For Vehicle (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Mechanical Sealing (AREA)

Claims (11)

1. Истираемая уплотнительная система газотурбинного двигателя, содержащая составное уплотнение и взаимодействующую с ним лопатку турбины; лопатку турбины, имеющую оконечную часть, содержащую кубические абразивные частицы нитрида бора для введения в контакт с составным уплотнением для создания уплотнения; составное уплотнение, имеющее основу из суперсплава, связующее покрытие из MCrAlY на поверхности основы, имеющее шероховатость поверхности больше 300 Ra, в котором М выбрано из группы, состоящей из Со, Ni или Ni и Со, и пористый керамический истираемый уплотнительный материал на связующем покрытии, имеющий пористость от 5 до 15 об.%.
2. Система по п.1, в которой связующее покрытие имеет шероховатость поверхности больше 350 Ra.
3. Система по п.2, в которой связующее покрытие нанесено посредством плазменного напыления.
4. Система по п.3, в которой пористым керамическим истираемым уплотнительным материалом является двуокись циркония, стабилизированная 6-9% окиси иттрия.
5. Система по п.3, в которой связующее покрытие имеет толщину от около 4 до 15 мил.
6. Система по п.4, в которой истираемый пористый керамический материал имеет толщину от около 10 до 80 мил.
7. Система по п.2, в которой кубические частицы нитрида бора в оконечной части прикреплены к оконечности лопатки увлекающим покрытием в стойкой к окислению металлической матрице.
8. Система по п.6, в которой пористый керамический истираемый уплотнительный материал имеет пористость от 10 до 15 об.%.
9. Система по п.6, в которой керамический материал нанесен посредством плазменного напыления совместно с летучим веществом.
10. Система по п.9, в которой керамический материал имеет размер частиц, составляющий менее, чем около 200 мкм.
11. Система по п.10, в которой летучим веществом является сложный полиэфир, имеющий размер частиц от около 20 до 125 мкм, содержащийся в количестве около 1-1,5 вес.% от количества керамического истираемого уплотнительного материала.
RU2004100105/06A 2001-06-06 2002-03-12 Истираемая уплотнительная система RU2292465C2 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/875,764 2001-06-06
US09/875,764 US6537021B2 (en) 2001-06-06 2001-06-06 Abradeable seal system

Publications (2)

Publication Number Publication Date
RU2004100105A true RU2004100105A (ru) 2005-05-27
RU2292465C2 RU2292465C2 (ru) 2007-01-27

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Country Status (13)

Country Link
US (1) US6537021B2 (ru)
EP (1) EP1392957B1 (ru)
JP (1) JP4149374B2 (ru)
KR (1) KR100813544B1 (ru)
AT (1) ATE419452T1 (ru)
AU (1) AU2002254355B2 (ru)
CA (1) CA2446771C (ru)
DE (1) DE60230611D1 (ru)
IL (2) IL158510A0 (ru)
NO (1) NO338003B1 (ru)
RU (1) RU2292465C2 (ru)
UA (1) UA76473C2 (ru)
WO (1) WO2002099254A1 (ru)

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US6537021B2 (en) 2003-03-25
RU2292465C2 (ru) 2007-01-27
AU2002254355B2 (en) 2006-08-10
UA76473C2 (en) 2006-08-15
NO338003B1 (no) 2016-07-18
JP2004530075A (ja) 2004-09-30
IL158510A0 (en) 2004-05-12
EP1392957B1 (en) 2008-12-31
EP1392957A1 (en) 2004-03-03
CA2446771A1 (en) 2002-12-12
NO20035427D0 (no) 2003-12-05
CA2446771C (en) 2009-01-27
US20020197155A1 (en) 2002-12-26
WO2002099254A1 (en) 2002-12-12
KR100813544B1 (ko) 2008-03-17
NO20035427L (no) 2003-12-05
ATE419452T1 (de) 2009-01-15
KR20040004691A (ko) 2004-01-13
IL158510A (en) 2006-06-11
EP1392957A4 (en) 2008-03-19
DE60230611D1 (de) 2009-02-12
JP4149374B2 (ja) 2008-09-10

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