EP3168323B1 - Kraftwerkkomponente - Google Patents

Kraftwerkkomponente Download PDF

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Publication number
EP3168323B1
EP3168323B1 EP15194434.5A EP15194434A EP3168323B1 EP 3168323 B1 EP3168323 B1 EP 3168323B1 EP 15194434 A EP15194434 A EP 15194434A EP 3168323 B1 EP3168323 B1 EP 3168323B1
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EP
European Patent Office
Prior art keywords
ceramic
concentration
composite coating
particles
coating
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EP15194434.5A
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English (en)
French (fr)
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EP3168323A1 (de
Inventor
Maryam Bahraini Hasani
Hans-Peter Bossmann
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General Electric Technology GmbH
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General Electric Technology GmbH
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Application filed by General Electric Technology GmbH filed Critical General Electric Technology GmbH
Priority to EP15194434.5A priority Critical patent/EP3168323B1/de
Priority to CN201610993381.7A priority patent/CN107043928A/zh
Priority to US15/350,557 priority patent/US20170137949A1/en
Publication of EP3168323A1 publication Critical patent/EP3168323A1/de
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Publication of EP3168323B1 publication Critical patent/EP3168323B1/de
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    • 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
    • C23F—NON-MECHANICAL REMOVAL OF METALLIC MATERIAL FROM SURFACE; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL; MULTI-STEP PROCESSES FOR SURFACE TREATMENT OF METALLIC MATERIAL INVOLVING AT LEAST ONE PROCESS PROVIDED FOR IN CLASS C23 AND AT LEAST ONE PROCESS COVERED BY SUBCLASS C21D OR C22F OR CLASS C25
    • C23F15/00—Other methods of preventing corrosion or incrustation
    • 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
    • C23C4/08—Metallic material containing only 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1655—Process features
    • C23C18/1662—Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • 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
    • C23C30/00—Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process
    • 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
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/129—Flame 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
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • C23C4/134—Plasma spraying
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D13/00—Electrophoretic coating characterised by the process
    • C25D13/02—Electrophoretic coating characterised by the process with inorganic material
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D9/00—Electrolytic coating other than with metals
    • C25D9/04—Electrolytic coating other than with metals with inorganic materials
    • 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
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/288—Protective coatings for blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/224—Carbon, e.g. graphite
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/20—Oxide or non-oxide ceramics
    • F05D2300/22—Non-oxide ceramics
    • F05D2300/226—Carbides
    • F05D2300/2261—Carbides of silicon
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/50—Intrinsic material properties or characteristics
    • F05D2300/512—Hydrophobic, i.e. being or having non-wettable properties

Definitions

  • the present invention relates to the technology of power plants. It refers to a power plant component according to of claim 1.
  • the steel material that is used for compressor blades in gas turbines suffers from water droplet erosion and corrosion pitting induced cracking as well as fouling.
  • On-line and off-line washings are performed in required intervals in order to improve the performance of the turbine.
  • the off-line washing intervals can be extended; less blade erosion occurs during on-line washing and in high fogging systems compressor efficiency is increased.
  • gas turbines are used in environments, which are highly corrosive for instance in industrial areas or coastlines and therefore undergo a heavy pitting corrosion.
  • Document US 2010/0247321 A1 presents an article including a metallic substrate.
  • the article further includes a sacrificial layer disposed on a surface of the substrate and an anti-fouling layer disposed on the sacrificial layer.
  • the anti-fouling layer includes a metal-polymer composite.
  • An article including an anti-fouling layer having a nitride is also presented.
  • Document US 2009/0176110 A1 discloses a coating system and process capable of providing erosion and corrosion-resistance to a component, particularly a steel compressor blade of an industrial gas turbine.
  • the coating system includes a metallic sacrificial undercoat on a surface of the component substrate, and a ceramic topcoat deposited by thermal spray on the undercoat.
  • the undercoat contains a metal or metal alloy that is more active in the galvanic series than iron, and electrically contacts the surface of the substrate.
  • the ceramic topcoat consists essentially of a ceramic material chosen from the group consisting of mixtures of alumina and titania, mixtures of chromia and silica, mixtures of chromia and titania, mixtures of chromia, silica, and titania, and mixtures of zirconia, titania, and yttria.
  • EP 2 374 916 A1 describes a process for providing a protective coating to a metal surface which comprises applying a nickel or tantalum plate layer to the surface and dispersing particles of a hard material such as diamond, alumina, vanadium nitride, tantalum carbide and/or tungsten carbide within the nickel or tantalum plate layer as the plating is occurring.
  • a hard material such as diamond, alumina, vanadium nitride, tantalum carbide and/or tungsten carbide within the nickel or tantalum plate layer as the plating is occurring.
  • EP 2 060 328 A2 discloses a method of forming a composite powder coating which comprises depositing multiple layers of a powder coating composition onto a substrate, wherein adjacent layers are formed of a different powder coating composition; and curing the multiple layers of the powder coating composition in a single thermal curing step.
  • the layers can be used to protect power generation equipment from aqueous corrosion, particle erosion, slurry erosion, fretting, and fouling.
  • US 8,007,246 B2 provides a method of fabricating a component for a gas turbine engine is provided.
  • the method includes applying a bond coat to at least a portion of the component, applying a dense vertically cracked (DVC) thermal barrier coating to at least a portion of the bond coat using a spray mechanism positioned a first distance from the component, and overlying at least a portion of the DVC thermal barrier coating with a soft coat thermal barrier coating using a spray mechanism that is positioned a second distance away from the component, wherein the second distance is greater than the first distance to facilitate adherence of the soft coating thermal barrier coating to the DVC thermal barrier coating.
  • DVC dense vertically cracked
  • the power plant component according to the invention comprises a substrate the surface of which is coated with a functionally graded coating of a predetermined thickness, with anti-erosion, anti-corrosion and anti-fouling properties.
  • said functionally graded coating comprises a corrosion resistant first means, and an erosion resistant and hydrophobic second means
  • said functionally graded coating is a composite coating consisting of a single layer, whereby the concentration of said corrosion resistant first means and the concentration of said erosion resistant and hydrophobic second means vary gradually along the thickness of said composite coating, whereby the concentration of said corrosion resistant first means varies gradually from a high concentration at the inner side of said composite coating to a low concentration at the outer side of said composite coating, and that the concentration of said erosion resistant and hydrophobic second means varies gradually from a low concentration at the inner side of said composite coating to a high concentration at the outer side of said composite coating.
  • said substrate is a metal or composite polymer substrate.
  • said corrosion resistant first means comprises a metal, ceramic, cermet and/or polymer matrix, in which particles are embedded, whereby the concentration of said particles varies gradually from a high concentration at the inner side of said composite coating to a low concentration at the outer side of said composite coating.
  • Said particles comprise micro or nano metal, ceramic and/or polymer materials, which provide corrosion protection by electronegativity and/or self-healing reaction.
  • said corrosion resistant first means comprise a Ni matrix with one of Al, Zn, Zr or Mg particles.
  • said erosion resistant and hydrophobic second means comprises a metal, ceramic, cermet and/or polymer matrix, in which hard ceramic, metallic and/or polymer nano or micro materials are included, whereby the concentration of said materials varies gradually from a low concentration at the inner side of said composite coating to a high concentration at the outer side of said composite coating.
  • said erosion resistant and hydrophobic second means comprises ceramic, metallic or intermetallic particles coated with ceramic or polymer material, whereby said ceramic, metallic or intermetallic particles are erosion resistant and said ceramic or polymer coating material is anti-fouling.
  • Said ceramic, metallic and/or polymer nano or micro particles or fibers may comprise one of SiC, Al 2 O 3 , SiO 2 , WC, BN, MAX phases (e.g. Ti 3 SiC 2 , Ti 2 AlC, Cr 2 AlC), carbon nanotubes (CNTs), graphene oxide and hydrophobic particles, especially of PTFE.
  • MAX phases e.g. Ti 3 SiC 2 , Ti 2 AlC, Cr 2 AlC
  • CNTs carbon nanotubes
  • hydrophobic particles especially of PTFE.
  • the method for manufacturing a power plant component according to the present disclosure is characterized in that the surface of said substrate is activated and prepared with a thin bonding layer and chemical or mechanical treatments.
  • said composite coating is applied by spraying process, especially Atmospheric Plasma Spraying (APS), cold spray, High Voltage Oxide Fuel (HVOF) process, or electro and electroless plating and electrophoretic process.
  • spraying process especially Atmospheric Plasma Spraying (APS), cold spray, High Voltage Oxide Fuel (HVOF) process, or electro and electroless plating and electrophoretic process.
  • APS Atmospheric Plasma Spraying
  • HVOF High Voltage Oxide Fuel
  • electro and electroless plating and electrophoretic process especially electro and electroless plating and electrophoretic process.
  • the present invention is about producing engineered functional coatings and surfaces for power plant components for example gas turbine compressor blades using new materials, design and processing.
  • New functional surfaces are provided with anti-erosion, anti- corrosion and anti-fouling properties.
  • the present invention presents a composite coating system for providing metal and ceramic surfaces with improved water droplet erosion, enhanced corrosion resistance and enhanced anti-fouling properties.
  • the coating comprises only one functionally graded layer, where the required properties of corrosion resistance and erosion resistance and hydrophobic properties are varied gradually along the thickness of the layer.
  • the power plant component 10 e.g. a turbine blade, comprises a substrate 11 made of a metal or a composite polymer the surface of which is covered with composite coating 12. Thickness x of the coating begins at coordinate x1 (inner side) and ends at coordinate x2 (outer side).
  • Composite coating 12 contains corrosion resistant first particles (corrosion resistant first means; small circles in Fig. 1 ) and erosion resistant and hydrophobic second particles/fibers (erosion resistant and hydrophobic second means; larger circles and tildes in Fig. 1 ) with different profiles of their concentration c. As shown in Fig.
  • the concentration c of the erosion resistant and hydrophobic particles increases from a low concentration c1 at x1 (inner side) to a high concentration c2 at x2 (outer side).
  • the concentration c of the corrosion resistant particles decreases from a high concentration c3 at x1 to a low concentration c4 at x2.
  • Said substrate 11 may be a metal or composite polymer substrate.
  • Said corrosion resistant first means comprise a metal, ceramic, cermet and/or polymer matrix, in which particles/fibers are embedded, whereby the concentration of said particles varies gradually from a high concentration at the inner side of said composite coating to a low concentration at the outer side of said composite coating.
  • Said particles/fibers comprise micro or nano metal, ceramic and/or polymer materials, which provide corrosion protection by electronegativity and/or self-healing reaction.
  • said corrosion resistant first means may comprise a Ni matrix with one of Al, Zn, Zr or Mg particles.
  • Said erosion resistant and hydrophobic second means comprise a metal, ceramic, cermet and/or polymer matrix, in which hard ceramic, metallic and/or polymer nano or micro materials are included, whereby the concentration of said materials varies gradually from a low concentration at the inner side of said composite coating to a high concentration at the outer side of said composite coating (see Fig. 2 ), or said erosion resistant and hydrophobic second means may comprise ceramic, metallic or intermetallic particles coated with ceramic or polymer material, whereby said ceramic, metallic or intermetallic particles are erosion resistant and said ceramic or polymer coating material is anti-fouling.
  • said ceramic, metallic and/or polymer nano or micro particles or fibers may comprise one of SiC, Al 2 O 3 , SiO 2 , WC, BN, MAX phases (e.g. Ti 3 SiC 2 , Ti 2 AlC, Cr 2 AlC), carbon nanotubes (CNTs), graphene oxide and hydrophobic particles, especially of PTFE.
  • MAX phases e.g. Ti 3 SiC 2 , Ti 2 AlC, Cr 2 AlC
  • CNTs carbon nanotubes
  • hydrophobic particles especially of PTFE.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Laminated Bodies (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Claims (4)

  1. Kraftwerkkomponente (10), umfassend ein Substrat (11) dessen Oberfläche mit einer funktionellen abgestuften Beschichtung (12) einer vorbestimmten Dicke mit Erosionsschutz-, Korrosionsschutz- und Bewuchsschutzeigenschaften beschichtet ist, wobei die funktionelle abgestufte Beschichtung (12) ein korrosionsbeständiges erstes Mittel und ein erosionsbeständiges und hydrophobes zweites Mittel umfasst, und dass die funktionelle abgestufte Beschichtung eine Verbundbeschichtung (12) ist, die aus einer einzelnen Schicht besteht, wobei die Konzentration des korrosionsbeständigen ersten Mittels und die Konzentration des erosionsbeständigen und hydrophoben zweiten Mittels graduell entlang der Dicke (x) der Verbundbeschichtung (12) variieren, wobei die Konzentration des korrosionsbeständigen ersten Mittels graduell von einer hohen Konzentration (c3) an der inneren Seite (x1) der Verbundbeschichtung (12) zu einer geringen Konzentration (c4) an der äußeren Seite (x2) der Verbundbeschichtung (12) variiert, und dass die Konzentration des erosionsbeständigen und hydrophoben zweiten Mittels graduell von einer geringen Konzentration (c1) an der inneren Seite (x1) der Verbundbeschichtung (12) zu einer hohen Konzentration (c2) an der äußeren Seite (x2) der Verbundbeschichtung (12) variiert,
    wobei das korrosionsbeständige erste Mittel ein Metall, Keramik, Cermet und/oder eine Polymermatrix umfasst, in der Partikel eingebettet sind, wobei die Konzentration der Partikel graduell von einer hohen Konzentration an der inneren Seite der Verbundbeschichtung zu einer geringen Konzentration an der äußeren Seite der Verbundbeschichtung variiert, und die Partikel Mikro- oder Nanometall, Keramik und/oder Polymermaterialien umfassen, die einen Korrosionsschutz durch Elektronegativität und/oder selbstheilende Reaktion bereitstellen, und
    wobei das erosionsbeständige und hydrophobe zweite Mittel umfasst:
    - ein Metall, Keramik, Cermet und/oder eine Polymermatrix in der harte keramische, metallische und/oder polymerische Nano- oder Mikromaterialien enthalten sind, wobei die Konzentration der Materialien graduell von einer geringen Konzentration an der inneren Seite der Verbundbeschichtung zu einer hohen Konzentration an der äußeren Seite der Verbundbeschichtung variiert, oder
    - keramische, metallische oder intermetallische Partikel, die mit Keramik- oder Polymermaterial beschichtet sind, wobei die keramischen, metallischen oder intermetallischen Partikel erosionsbeständig sind und das Keramik- oder Polymerbeschichtungmaterial bewuchsschützend ist.
  2. Kraftwerkkomponente nach Anspruch 1, dadurch gekennzeichnet, dass das Substrat (11) ein Metall- oder Verbundpolymersubstrat ist.
  3. Kraftwerkkomponente nach Anspruch 1, dadurch gekennzeichnet, dass das korrosionsbeständige erste Mittel eine Ni-Matrix mit einem von Al-, Zn-, Zr- oder Mg-Partikeln umfasst.
  4. Kraftwerkkomponente nach Anspruch 1, dadurch gekennzeichnet, dass die keramischen, metallischen und/oder polymerischen Nano- oder Mikropartikel oder - fasern eines von SiC, Al2O3, SiO2, WC, BN, MAX-Phasen (z.B. Ti3SiC2, Ti2AlC, Cr2AlC), Kohlenstoffnanoröhrchen (CNTs), Graphitoxid und hydrophoben Partikeln umfassen, insbesondere aus PTFE.
EP15194434.5A 2015-11-13 2015-11-13 Kraftwerkkomponente Active EP3168323B1 (de)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP15194434.5A EP3168323B1 (de) 2015-11-13 2015-11-13 Kraftwerkkomponente
CN201610993381.7A CN107043928A (zh) 2015-11-13 2016-11-11 发电设备部件及用于制造这种部件的方法
US15/350,557 US20170137949A1 (en) 2015-11-13 2016-11-14 Power plant component and method for manufacturing such component

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP15194434.5A EP3168323B1 (de) 2015-11-13 2015-11-13 Kraftwerkkomponente

Publications (2)

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EP3168323A1 EP3168323A1 (de) 2017-05-17
EP3168323B1 true EP3168323B1 (de) 2020-01-22

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EP (1) EP3168323B1 (de)
CN (1) CN107043928A (de)

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US11662300B2 (en) 2019-09-19 2023-05-30 Westinghouse Electric Company Llc Apparatus for performing in-situ adhesion test of cold spray deposits and method of employing
US11898986B2 (en) 2012-10-10 2024-02-13 Westinghouse Electric Company Llc Systems and methods for steam generator tube analysis for detection of tube degradation
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ES2623770T3 (es) * 2014-12-02 2017-07-12 Refractory Intellectual Property Gmbh & Co. Kg Relleno para la fabricación de un producto refractario, procedimiento para la fabricación de un producto refractario, un producto refractario así como un uso del producto
US10618845B2 (en) * 2016-03-08 2020-04-14 Refractory Intellectual Property Gmbh & Co. Kg Refractory ceramic product
US10174412B2 (en) * 2016-12-02 2019-01-08 General Electric Company Methods for forming vertically cracked thermal barrier coatings and articles including vertically cracked thermal barrier coatings
FR3072975B1 (fr) * 2017-10-26 2022-04-15 Safran Piece comportant un revetement de protection a composition graduelle
CN108486521B (zh) * 2018-03-20 2020-01-14 中国科学院宁波材料技术与工程研究所 一种利用火焰喷涂技术制备高分子基仿猪笼草超润滑表面的方法
CN109778102A (zh) * 2019-02-27 2019-05-21 中国科学院上海硅酸盐研究所 一种多层结构自修复热障涂层及其制备方法
IT201900003463A1 (it) * 2019-03-11 2020-09-11 Nuovo Pignone Tecnologie Srl Componente di turbomacchine avente un rivestimento metallico
CN111992073A (zh) * 2020-08-07 2020-11-27 罗斯（无锡）设备有限公司 一种复合涂层分散盘
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US11898986B2 (en) 2012-10-10 2024-02-13 Westinghouse Electric Company Llc Systems and methods for steam generator tube analysis for detection of tube degradation
RU2764153C2 (ru) * 2017-06-12 2022-01-13 Сафран Деталь с покрытием для газотурбинного двигателя и способ её изготовления
US11935662B2 (en) 2019-07-02 2024-03-19 Westinghouse Electric Company Llc Elongate SiC fuel elements
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US20170137949A1 (en) 2017-05-18
EP3168323A1 (de) 2017-05-17

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