WO2006042872A1 - Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee - Google Patents

Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee Download PDF

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Publication number
WO2006042872A1
WO2006042872A1 PCT/ES2004/000399 ES2004000399W WO2006042872A1 WO 2006042872 A1 WO2006042872 A1 WO 2006042872A1 ES 2004000399 W ES2004000399 W ES 2004000399W WO 2006042872 A1 WO2006042872 A1 WO 2006042872A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature oxidation
high temperature
procedure
mcraiy
against high
Prior art date
Application number
PCT/ES2004/000399
Other languages
English (en)
Spanish (es)
Inventor
Ignacio Fagoaga Altuna
Carlos Vaquero Gonzalez
Georgiy Barykin
Original Assignee
Turbodetco, S.L.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Turbodetco, S.L. filed Critical Turbodetco, S.L.
Priority to US11/662,689 priority Critical patent/US20080057214A1/en
Priority to PCT/ES2004/000399 priority patent/WO2006042872A1/fr
Publication of WO2006042872A1 publication Critical patent/WO2006042872A1/fr

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Classifications

    • 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
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
    • 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
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
    • C23C28/321—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer
    • C23C28/3215—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer with at least one metal alloy layer 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
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide 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
    • C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
    • C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
    • C23C28/345—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer
    • C23C28/3455—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with at least one oxide layer with a refractory ceramic layer, e.g. refractory metal oxide, ZrO2, rare earth oxides or a thermal barrier system comprising at least one refractory oxide 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • C23C4/073—Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
    • 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
    • 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
    • C23C4/126—Detonation spraying
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment

Definitions

  • the present invention relates to a process for the deposition of MCrAIY base powders, on a substrate, to obtain a protective coating against corrosion-oxidation at high temperatures.
  • the process of the invention allows to obtain quality protective layers, with high productivity and low cost.
  • the MCrAIY layer obtained can serve as an anchor for a thermal barrier.
  • MCrAIY base coatings where M is selected from Ni, Co and Fe, are commonly used for the protection of metal components in high temperature environments, such as the blades or housings of a gas turbine.
  • These coatings are intended to protect the metal substrate against corrosion and oxidation at high temperature, which is why sometimes a layer composed of a ceramic thermal insulator or thermal barrier is applied on them.
  • These coatings are deposited by different thermal projection techniques and, especially, by plasma techniques. in vacuum (VPS), plasma air technique (APS), HVOF techniques or detonation processes.
  • VPS vacuum
  • APS plasma air technique
  • HVOF detonation processes.
  • MCrAIY chemical composition of MCrAIY and, in particular, the presence of aluminum and yttrium which, under the conditions of service, act causing the formation of a well-bonded alumina protective layer.
  • Vacuum plasma projection (VPS) techniques produce high quality MCrAIY coatings and high thermal performance since they are coatings with high density and without the presence of oxides, as a result of which they are carried out in a closed chamber with a controlled atmosphere.
  • VPS Vacuum plasma projection
  • thermal projection techniques are used in atmospheric conditions, such as APS techniques or HVOF Detonation techniques are also used, known as D-Gun, according to US Patent 2,714,563 but all of them have had little success, due to their low density in the case of APS techniques or the presence of oxides in the coating, such as for example in the HVOF or D-Gun techniques.
  • HVOF and detonation (D-Gun) techniques produce a high velocity gas flow as a result of a continuous combustion process or pulsed explosions, which is capable of accelerating the projection particles and obtaining very dense coatings.
  • D-Gun detonation
  • MCrAIY coatings are used as an anchor layer for a ceramic coating that acts as a thermal barrier (TBC)
  • TBC thermal barrier
  • a second MCrAIY coating with greater alumina formation capacity is applied on the MCrAIY to improve the adhesion and compatibility of the thermal barrier to be applied on this second layer.
  • a procedure of this type is described for example in European Patent No. 1 327 702.
  • this compositional modification of the MCrAIY in this surface layer can affect its protective capacity against a corrosive medium at high temperature and in any case, It requires a specific deposition increasing the complexity of the process.
  • the process object of the invention allows to obtain a coating against corrosion and oxidation at high temperature based on the thermal projection of commercial MCrAIY powders, using high frequency detonation techniques (HFPD or High Frequency Pulse Detonation), which allow obtaining a High density and low oxidation coating with high productivity and low cost.
  • HFPD high frequency detonation techniques
  • a ceramic layer can be projected on it, using the same HFPD technique, thus achieving a very dense and well bonded thin layer that leaves the MCrAIY prepared with a surface ceramic exterior that presents good compatibility with thermal barriers.
  • Said thermal barriers of porous nature can be deposited using any thermal projection technique.
  • High frequency detonation projection (HFPD) techniques are described for example in the following applications: WO97 / 23299, WO97 / 23301, WO97 / 23302, WO97 / 23303, WO98 / 29191, WO99 / 12653, WO99 / 37406 and WO01 / 30506.
  • HFPD High frequency detonation projection
  • This procedure allows the generation of explosions with a wide range of temperatures using combustion gases such as methane and natural gas or propane, propylene, ethylene or acetylene gases, using oxygen-rich mixtures and controlling the amount of gases involved in each explosion.
  • combustion gases such as methane and natural gas or propane, propylene, ethylene or acetylene gases, using oxygen-rich mixtures and controlling the amount of gases involved in each explosion.
  • This technique allows the deposition of materials of all kinds, from metal alloys to ceramics, achieving good adhesion and compaction, as a result of the detonation process.
  • the deposition of MCrAIY powders by means of the aforementioned high frequency detonation technique, requires the optimization of the process parameters that allow to achieve a high density, a good compaction and adhesion of the coating, with the minimum internal oxidation, thus requiring a low temperature of the detonation process and a low oxygen environment during the projection.
  • gases are used that generate low temperature combustion such as methane or natural gas, mixed with a dilution of inert gases such as nitrogen, argon, helium or others, using oxygen as oxidizer to achieve low oxygen-carbon-carbon ratios.
  • detonation frequencies greater than 60 Hz are used to improve the productivity of the process and optimize the volume of gases used in each explosion.
  • MCrAIY powders are introduced into the barrel of the detonation gun at a point close to its exit, at a distance of the detonation chamber between 100 and 500 mm to reduce its residence time in the gaseous medium of the projection.
  • the MCrAIY coating obtained is subsequently subjected to a heat treatment in a controlled vacuum environment to promote the diffusion process that causes a suitable microstructure for protection against corrosion-oxidation.
  • HFPD high frequency detonation techniques
  • This ceramic layer can be composed of AI 2 O 3 , ZrO2-Y2O3 mixtures of these elements, which can be applied as monolayers, multilayers or layers of gradual composition.
  • high temperature combustion gases such as propane, propylene, ethylene or acetylene with large concentrations of oxygen are used as a oxidizer to achieve high temperature detonation and highly oxidizing environments that allow the fusion of ceramic powders.
  • the frequency of the explosions may be greater than 40 Hz and the ceramic powders are introduced at a point in the barrel near the combustion chamber to force them to cross the entire length of the barrel, thus increasing the residence time and favoring heat transfer of the gaseous mixture to the ceramic powder.
  • the porous thermal barrier can be deposited on the coating obtained using any thermal projection technique such as VPS, APS or HVOF, or even by other techniques, such as PVD.
  • Figure 1.- Shows a microstructure of a coating
  • Figure 2. Shows a microstructure of a MCrAIY coating and on it a dense and small thickness ceramic layer obtained according to the process object of the invention.
  • the CoNiCrAIY (Amdry 9954) were used as powders to obtain the coating.
  • the projection was performed using high frequency detonation techniques with the following parameters:
  • HFPD high frequency detonation techniques

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Ceramic Engineering (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Abstract

L'invention concerne un procédé qui permet d'obtenir des revêtements de protection contre l'oxydation à température élevée, ces revêtements étant à base de MCrAlY, où M est choisi dans le groupe constitué de Ni, Co ou Fe ou de leurs alliages. Ce procédé comprend la projection thermique de poudres à base de MCrAlY au moyen de techniques de détonation pulsée haute fréquence (HFPD). Eventuellement, une couche céramique haute densité est déposée sur la couche de MCrAlY au moyen de techniques de détonation pulsée haute fréquence (HFPD).
PCT/ES2004/000399 2004-09-14 2004-09-14 Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee WO2006042872A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
US11/662,689 US20080057214A1 (en) 2004-09-14 2004-09-14 Process For Obtaining Protective Coatings Against High Temperature Oxidation
PCT/ES2004/000399 WO2006042872A1 (fr) 2004-09-14 2004-09-14 Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/ES2004/000399 WO2006042872A1 (fr) 2004-09-14 2004-09-14 Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee

Publications (1)

Publication Number Publication Date
WO2006042872A1 true WO2006042872A1 (fr) 2006-04-27

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PCT/ES2004/000399 WO2006042872A1 (fr) 2004-09-14 2004-09-14 Procede permettant d'obtenir des revetements de protection contre l'oxydation a temperature elevee

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Country Link
US (1) US20080057214A1 (fr)
WO (1) WO2006042872A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007132028A1 (fr) * 2006-05-12 2007-11-22 Fundacion Inasmet Procédé d'obtention de revêtements céramiques et revêtements céramiques ainsi obtenus
EP2202328A1 (fr) 2008-12-26 2010-06-30 Fundacion Inasmet Processus pour obtenir un revêtement protecteur pour hautes températures avec rugosité élevée et revêtement obtenu

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US20180290934A1 (en) * 2013-06-21 2018-10-11 National Tsing Hua University Refractory metal matrix-ceramic compound multi-component composite material with super-high melting point
TWI561494B (en) * 2013-06-21 2016-12-11 Univ Nat Tsing Hua Multicomponent composites composed of refractory metals and ceramic compounds for superhigh-temperature use
US8939706B1 (en) 2014-02-25 2015-01-27 Siemens Energy, Inc. Turbine abradable layer with progressive wear zone having a frangible or pixelated nib surface
US9151175B2 (en) 2014-02-25 2015-10-06 Siemens Aktiengesellschaft Turbine abradable layer with progressive wear zone multi level ridge arrays
WO2015130528A1 (fr) 2014-02-25 2015-09-03 Siemens Aktiengesellschaft Revêtement de barrière thermique de composant de turbine avec éléments de surface usinés d'isolation contre les fissures
US9243511B2 (en) 2014-02-25 2016-01-26 Siemens Aktiengesellschaft Turbine abradable layer with zig zag groove pattern
WO2016133582A1 (fr) 2015-02-18 2016-08-25 Siemens Aktiengesellschaft Anneau de cerclage de turbine comportant une couche pouvant être abrasée comprenant une zone avant a fossettes
US10408079B2 (en) 2015-02-18 2019-09-10 Siemens Aktiengesellschaft Forming cooling passages in thermal barrier coated, combustion turbine superalloy components
CN114807823B (zh) * 2022-04-13 2023-04-07 四川大学 一种燃气轮机热端部件用高温防护涂层制备方法

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US5843587A (en) * 1996-02-16 1998-12-01 Mitsubishi Heavy Industries, Ltd. Process for treating high temperature corrosion resistant composite surface
EP0911422A2 (fr) * 1997-10-27 1999-04-28 General Electric Company Procédé pour la réalisation d'une couche de liaison pour un revêtement de barrière thermique
EP1013788A1 (fr) * 1998-12-22 2000-06-28 General Electric Company Réparation des anneaux de cerclage à haute pression de turbine
EP1122329A1 (fr) * 2000-02-07 2001-08-08 General Electric Company Procédé d'application d'une couche de protection sur un substrat métallique et articles ainsi produits
US6383658B1 (en) * 1999-11-18 2002-05-07 General Electric Company Thermally sprayed coatings having an interface with controlled cleanliness

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US7258934B2 (en) * 2002-09-25 2007-08-21 Volvo Aero Corporation Thermal barrier coating and a method of applying such a coating
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Publication number Priority date Publication date Assignee Title
US5843587A (en) * 1996-02-16 1998-12-01 Mitsubishi Heavy Industries, Ltd. Process for treating high temperature corrosion resistant composite surface
EP0911422A2 (fr) * 1997-10-27 1999-04-28 General Electric Company Procédé pour la réalisation d'une couche de liaison pour un revêtement de barrière thermique
EP1013788A1 (fr) * 1998-12-22 2000-06-28 General Electric Company Réparation des anneaux de cerclage à haute pression de turbine
US6383658B1 (en) * 1999-11-18 2002-05-07 General Electric Company Thermally sprayed coatings having an interface with controlled cleanliness
EP1122329A1 (fr) * 2000-02-07 2001-08-08 General Electric Company Procédé d'application d'une couche de protection sur un substrat métallique et articles ainsi produits

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007132028A1 (fr) * 2006-05-12 2007-11-22 Fundacion Inasmet Procédé d'obtention de revêtements céramiques et revêtements céramiques ainsi obtenus
EP2039796A1 (fr) * 2006-05-12 2009-03-25 Fundacion Inasmet Procédé d'obtention de revêtements céramiques et revêtements céramiques ainsi obtenus
EP2039796A4 (fr) * 2006-05-12 2009-11-11 Fundacion Inasmet Procédé d'obtention de revêtements céramiques et revêtements céramiques ainsi obtenus
EP2202328A1 (fr) 2008-12-26 2010-06-30 Fundacion Inasmet Processus pour obtenir un revêtement protecteur pour hautes températures avec rugosité élevée et revêtement obtenu

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