EP2201151A2 - Revêtement anti-abrasion - Google Patents

Revêtement anti-abrasion

Info

Publication number
EP2201151A2
EP2201151A2 EP08840008A EP08840008A EP2201151A2 EP 2201151 A2 EP2201151 A2 EP 2201151A2 EP 08840008 A EP08840008 A EP 08840008A EP 08840008 A EP08840008 A EP 08840008A EP 2201151 A2 EP2201151 A2 EP 2201151A2
Authority
EP
European Patent Office
Prior art keywords
layer
protection coating
wear protection
smoothing layer
smoothing
Prior art date
Legal status (The legal status 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 status listed.)
Withdrawn
Application number
EP08840008A
Other languages
German (de)
English (en)
Inventor
Wolfgang Eichmann
Falko Heutling
Thomas Uihlein
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines GmbH
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 MTU Aero Engines GmbH filed Critical MTU Aero Engines GmbH
Publication of EP2201151A2 publication Critical patent/EP2201151A2/fr
Withdrawn legal-status Critical Current

Links

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
    • 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
    • C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
    • 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
    • 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
    • C23C28/347—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 layers adapted for cutting tools or wear applications
    • 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
    • Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
    • Y10T428/24364—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.] with transparent or protective coating

Definitions

  • the invention relates to a wear protection coating, in particular an erosion protective coating, preferably for gas turbine components, according to the preamble of patent claim 1.
  • Components subject to flow mechanics such as gas turbine components, are subject to wear as a result of oxidation, corrosion and erosion. Erosion is a wear process caused by solids moving in the gas flow.
  • wear protection coatings are required which protect the components against wear, in particular against erosion, corrosion and oxidation.
  • EP0674020B1 a multilayer, erosion-resistant coating for the surfaces of substrates is known.
  • the erosion-resistant coating disclosed therein provides a wear-resistant coating consisting of multiple multilayer systems applied repetitively on the substrate to be coated.
  • the multi-layer systems applied in repetition are each formed from two different layers, namely on the one hand of a layer of a metallic material and on the other hand of a layer of titanium diboride.
  • EP0366289A1 discloses another erosion resistant and corrosion resistant coating for a substrate. Also according to EP 0366289 A1, the wear protection coating is formed from a plurality of multilayer systems applied in repetition on the substrate to be coated, each multilayer system again consisting of two different layers, namely a metallic layer, for example titanium, and a ceramic layer, for Example of titanium nitride.
  • EP0562108B1 Another erosion-resistant wear protection coating is known from EP0562108B1.
  • the wear protection coating disclosed there is again several formed in repetition on a multi-layer system applied to a substrate to be coated.
  • FIG. 4 of EP0562108B1 discloses a wear protection coating formed from a plurality of repeatedly applied multilayer coating systems, each multilayer coating system consisting of four layers.
  • the wear protection coatings are preferably applied by vapor deposition to the surface of a component to be coated and thus protected, whereby the roughness on an outer, flow-relevant surface of the component can be increased by vapor deposition of a wear protection coating.
  • the increase in roughness is aerodynamically unfavorable, since flow losses can form.
  • an increase in roughness can result in faster and more severe contamination, as deposits of contaminants on rough surfaces can more readily deposit.
  • An increased roughness also causes an accelerated attack of the surface of the component in case of erosion by hard particles. There is therefore a need to improve wear protection coatings.
  • the present invention is based on the problem to provide a novel anti-wear coating.
  • an outer layer is formed as a smoothing layer, which compensates for unevenness or roughness and / or defects of the wear protection coating.
  • the present invention it is proposed to apply to the actual wear protection coating on the outside a smoothing layer which compensates for unevenness or roughness or even defects of the wear protection coating.
  • This provides a highly smooth superfinish surface which results in a reduction in aerodynamic losses and contamination of the coated component counteracts.
  • the erosion resistance can be improved.
  • an improvement in the oxidation and corrosion resistance is expected.
  • the smoothing layer is formed as a sol-gel layer, which has a thickness in the order of the unevenness or roughness and / or defects to be compensated.
  • FIG. 1 shows a highly schematic cross-section through an inventive wear protection coating according to an embodiment of the invention.
  • the present invention relates to a wear protection coating, in particular an erosion protection coating, for a surface to be protected of a fluid mechanical stressed component, in particular a component of a gas turbine, such. B. a blade or vane of a gas turbine.
  • FIG. 1 shows a highly schematic cross-section through a wear-resistant coating 10 according to the invention, which is applied to an outer surface 11 of a fluidically stressed component 12, in particular a gas turbine blade.
  • An outer layer of the wear protection coating 10 according to the invention is designed as a smoothing layer 13, wherein the smoothing layer 13 compensates for unevenness or roughness and / or imperfections of the actual wear protection coating.
  • the smoothing layer 13 in this case has a thickness which is in the order of magnitude of the unevenness or roughness and / or defects to be compensated.
  • the smoothing layer 13 preferably has a thickness between 1 .mu.m and 10 .mu.m.
  • the thickness of the smoothing layer is between 5 ⁇ m and 10 ⁇ m.
  • the thickness of the smoothing layer 13 may also be between 1 ⁇ m and 5 ⁇ m.
  • the smoothing layer 13 forms the outer layer or layer of the wear protection coating according to the invention, wherein in the exemplary embodiment of FIG. 1 two multilayer systems 14, 15 are applied to the surface 11 of the component 12 to be coated, and wherein each multilayer system 14 15 comprises a relatively soft, metallic layer 16 and a relatively hard ceramic layer 17.
  • the outer smoothing layer 13 is applied to the outer, relatively hard, ceramic layer 17 of the outer multilayer system 15.
  • the smoothing layer 13 of the wear protection coating according to the invention is designed as a sol-gel layer.
  • a liquid phase, a so-called SoI, z. B. by dipping, spraying or brushing applied to the outer layer 17 of the outer multi-layer system 15 and then dried by tempering and cured.
  • the liquid phase namely the sol
  • transforms into a solid phase into a so-called gel.
  • the drying and curing can be combined with a heat treatment.
  • the application of the smoothing layer 13 formed as a sol-gel layer to the outer hard layer 17 of the multilayer system 15 has the advantage that the relatively hard layer 17 provides a supporting effect for the relatively thin sol-gel layer and thus the smoothing layer 13, which in particular supports the connection of the smoothing layer 13 under mechanical stress.
  • the smoothing layer 13 there is preferably provided a silicate-based or carbon-based or metal oxide-based or polymer-based sol-gel layer. It is therefore within the meaning of the present invention as an outer layer of a wear protection coating to provide a smoothing layer 13, which compensates for unevenness or roughness and / or defects of the actual wear protection coating.
  • the smoothing layer 13 is preferably formed as a sol-gel layer, with a thickness which is in the order of the unevenness or roughness and / or defects to be compensated.
  • the smoothing layer 13 is used when the wear protection coating is formed from a plurality of multilayer coating systems, wherein the smoothing layer is then applied to the outer layer of the outer multilayer coating system.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Laminated Bodies (AREA)

Abstract

L'invention concerne un revêtement anti-abrasion (10), en particulier un revêtement anti-érosion, qui est appliqué sur une surface à protéger (11) d'un élément (12) sollicité en termes de mécanique des fluides. Selon l'invention, une couche extérieure est conçue comme couche de lissage (13) qui compense les inégalités et les aspérités et/ou les imperfections du revêtement anti-abrasion.
EP08840008A 2007-10-19 2008-10-10 Revêtement anti-abrasion Withdrawn EP2201151A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007050141A DE102007050141A1 (de) 2007-10-19 2007-10-19 Verschleißschutzbeschichtung
PCT/DE2008/001668 WO2009049597A2 (fr) 2007-10-19 2008-10-10 Revêtement anti-abrasion

Publications (1)

Publication Number Publication Date
EP2201151A2 true EP2201151A2 (fr) 2010-06-30

Family

ID=40456218

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08840008A Withdrawn EP2201151A2 (fr) 2007-10-19 2008-10-10 Revêtement anti-abrasion

Country Status (5)

Country Link
US (1) US20100239429A1 (fr)
EP (1) EP2201151A2 (fr)
CA (1) CA2700899A1 (fr)
DE (1) DE102007050141A1 (fr)
WO (1) WO2009049597A2 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8273231B2 (en) 2007-12-21 2012-09-25 Rolls-Royce Corporation Methods of depositing coatings with γ-Ni + γ′-Ni3A1 phase constitution
US8501273B2 (en) 2008-10-02 2013-08-06 Rolls-Royce Corporation Mixture and technique for coating an internal surface of an article
US9624583B2 (en) 2009-04-01 2017-04-18 Rolls-Royce Corporation Slurry-based coating techniques for smoothing surface imperfections
US9719353B2 (en) 2011-04-13 2017-08-01 Rolls-Royce Corporation Interfacial diffusion barrier layer including iridium on a metallic substrate
EP2548990B1 (fr) 2011-07-20 2015-01-07 MTU Aero Engines GmbH Procédé de fabrication de composants susceptibles d'être exposés a des débits de gaz et composants ainsi fabriqués
WO2014144437A1 (fr) 2013-03-15 2014-09-18 Rolls-Royce Corporation Restauration de revêtement à base de suspension
EP2918705B1 (fr) 2014-03-12 2017-05-03 Rolls-Royce Corporation Revêtement comprenant une couche barrière de diffusion comprenant iridium et une couche d'oxyde et procédé de revêtement

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904542A (en) 1988-10-11 1990-02-27 Midwest Research Technologies, Inc. Multi-layer wear resistant coatings
WO1993008316A1 (fr) * 1991-10-14 1993-04-29 Commissariat A L'energie Atomique Materiau multicouche pour revetement anti-erosion et anti-abrasion
GB9405744D0 (en) 1994-03-23 1994-05-11 Rolls Royce Plc A multilayer erosion resistant coating and a method for its production
US6294261B1 (en) * 1999-10-01 2001-09-25 General Electric Company Method for smoothing the surface of a protective coating
AU2003208247A1 (en) * 2002-04-12 2003-10-27 Sulzer Metco Ag Plasma injection method
US20050079370A1 (en) * 2003-10-10 2005-04-14 Corderman Reed Roeder Nano-multilayered structures, components and associated methods of manufacture
US20050282032A1 (en) * 2004-06-18 2005-12-22 General Electric Company Smooth outer coating for combustor components and coating method therefor
DE102004050474A1 (de) * 2004-10-16 2006-04-20 Mtu Aero Engines Gmbh Verfahren zur Herstellung eines mit einer Verschleißschutzbeschichtung beschichteten Bauteils

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102007050141A1 (de) 2009-04-23
CA2700899A1 (fr) 2009-04-23
WO2009049597A3 (fr) 2009-12-17
US20100239429A1 (en) 2010-09-23
WO2009049597A2 (fr) 2009-04-23

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