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WO2008034732A2 - Structure de couche et procédé de réalisation associé - Google Patents

Structure de couche et procédé de réalisation associé Download PDF

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Publication number
WO2008034732A2
WO2008034732A2 PCT/EP2007/059467 EP2007059467W WO2008034732A2 WO 2008034732 A2 WO2008034732 A2 WO 2008034732A2 EP 2007059467 W EP2007059467 W EP 2007059467W WO 2008034732 A2 WO2008034732 A2 WO 2008034732A2
Authority
WO
WIPO (PCT)
Prior art keywords
sacrificial anode
structure according
substrate
coating
layer structure
Prior art date
Application number
PCT/EP2007/059467
Other languages
German (de)
English (en)
Other versions
WO2008034732A3 (fr
Inventor
Rene Jabado
Jens Dahl Jensen
Ursus KRÜGER
Daniel Körtvelyessy
Volkmar LÜTHEN
Ralph Reiche
Michael Rindler
Raymond Ullrich
Original Assignee
Siemens Aktiengesellschaft
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 Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2008034732A2 publication Critical patent/WO2008034732A2/fr
Publication of WO2008034732A3 publication Critical patent/WO2008034732A3/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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/30—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes using a layer of powder or paste on the surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
    • B22F1/102—Metallic powder coated with organic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
    • B22F1/17—Metallic particles coated with metal
    • 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
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • 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
    • 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
    • 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
    • C23C4/04—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
    • 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
    • C23F13/00—Inhibiting corrosion of metals by anodic or cathodic protection
    • C23F13/02—Inhibiting corrosion of metals by anodic or cathodic protection cathodic; Selection of conditions, parameters or procedures for cathodic protection, e.g. of electrical conditions
    • C23F13/06—Constructional parts, or assemblies of cathodic-protection apparatus
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy

Definitions

  • the present invention relates to a layer structure comprising a substrate made of a substrate material and a corrosion and / or oxidation-inhibiting layer located on the substrate.
  • Corrosion and / or oxidation inhibiting layers and coatings are used where components are exposed to corrosive hot gases.
  • this is binenbau former at Tur ⁇ such as Gasturbinenlauf- or vanes or elements of combustor liners of the case.
  • a typical corrosion and / or oxidation-inhibiting coating is the so-called MCrAlX coating, where M is at least one element of the group consisting of iron (Fe), cobalt (Co), nickel (Ni) and X for an active element, such as yttrium
  • Such alloys are known, for example, from EP 0 486 489 B1, EP 0 786 017 B1, EP 0 412 397 B1 or EP 1 306 454 A1.
  • Such have coatings contain aluminum phases in which the aluminum acts as a sacrificial anode, by, for example, with Feuch ⁇ tmaschinesfilmen on the surface and forms a galvanic cell the material to be protected. This consumes aluminum, which over time reduces the effect of a MCrAlX coating and, after a certain period of use, makes it necessary to remove the coating of components and to re-coat.
  • the object of the present invention is to specify a layer structure which has a corrosion- and / or oxidation-inhibiting layer with a sacrificial anode material and which allows a longer service life in a corrosive and / or oxidative hot gas environment.
  • Another object of the present invention is to provide a method for producing a layered structure which allows a longer operating life of the layered structure in a corrosive and / or oxidative hot gas environment.
  • a layer structure according to the invention has a substrate made of a substrate material and a corrosion and / or oxidation-inhibiting layer on the substrate with an op ⁇ feranodenmaterial. Further, the layer structure of the invention comprises nanoscale Kochanodenteilchen from the sacrificial anode material, which are encapsulated with a ver ⁇ different from the sacrificial anode material encapsulating material.
  • the encapsulated sacrificial anode particles constitute a depot for sacrificial anode material, which in the course of operation of the
  • the sacrificial anode material of the nanoscale sacrificial anode particles can diffuse through the coating and replace used sacrificial anode material.
  • the diffusion of the sacrificial anode particles is slowed down, so that the Agglomerati- onsrea and thus the depletion of coating areas are suppressed. It is therefore available over a long period of time in all areas of the corrosion and / or oxidation-inhibiting coating material replenishment for spent sacrificial ⁇ anode material, especially if a homogeneous distribution of the sacrificial anode particles in the corrosion and / or oxidation-inhibiting layer is present.
  • encapsulation material can be used, for example, the substrate mate ⁇ rial or a component thereof. May be stratmaterial the sub- a super alloy of iron, cobalt or nickel ⁇ as parts especially for turbine ⁇ such as running or vanes of gas turbines is used.
  • the encapsulating material may be, for example, iron, cobalt or nickel.
  • Aluminum can be used in particular as sacrificial nanomaterial.
  • op ⁇ feranodenmaterial materials which emit electrons more easily than the main constituent of the substrate material are suitable as op ⁇ feranodenmaterial.
  • iron, cobalt or nickel-based superalloys these are materials that emit electrons more easily than iron, cobalt or nickel.
  • Suitable materials for such cases would be ⁇ example, chromium (Cr), zinc (Zn), titanium (Ti), vanadium (V), lanthanum (La), magnesium (Mg) or cerium (Ce).
  • the distribution of the sacrificial anode particles in the corrosion and / or oxidation-inhibiting layer can be kept stable for a particularly long time. Since ⁇ through can further counteracted agglomeration and the Operating time until the corrosion and / or oxidation-inhibiting layer must be replaced further extended ⁇ who.
  • an MCrAlX layer As corrosion and / or oxidation-inhibiting layer to ⁇ particular an MCrAlX layer can be used.
  • the substrate may in particular be the main body of a turbine component, for example a guide or moving blade of a gas turbine or an element of a combustion chamber lining.
  • a coating material is applied to a processing substrate comprising nanoscale sacrificial anode part ⁇ surfaces of a sacrificial anode material.
  • the sacrificial anodes ⁇ particles are encapsulated with a different from the sacrificial anode material encapsulation.
  • the encapsulating material is surrounded by a polymer shell.
  • a heat treatment is carried out, whose time and temperature control is selected such that crosslinking of the polymer shells takes place.
  • FIG. 1A shows a schematic representation of a layer structure according to the invention in plan view.
  • FIG. 1B shows the layer structure from FIG. 1A in a cross-sectional view.
  • FIG. 2 shows a schematic representation of a production step for a layer structure according to the invention in accordance with a second exemplary embodiment.
  • FIG. 3A shows a schematic representation of a second exemplary embodiment of the layer structure according to the invention in a plan view.
  • FIG. 3B shows the layer structure according to the invention from FIG. 3A in a cross-sectional view.
  • FIGS. 1A and 1B A layer structure according to the invention is shown in highly schematic form in FIGS. 1A and 1B.
  • the figures show a section of the layer structure in plan view (FIG. 1A) and in a cross-sectional view (FIG. 1B).
  • the (IA Fig.) IB FIG.) are views rep ⁇ räsentieren the view of a provided with a corrosion and / or oxidation resistant coating or turbine blade also greatly schemati ⁇ Siert a cross section through the wall of a coated turbine blade.
  • FIG. 1B While the corrosion-resistant and / or oxidation-inhibiting coating 1 and the base body 3 of the turbine blade, which forms the substrate for the coating 1, can be seen in FIG. 1B, only the coating 1 can be seen in FIG. 1A.
  • the coating 1 in the present exemplary embodiment is an MCrAlX coating which comprises an aluminum component. holds.
  • the aluminum serves as a sacrificial anode for corrosion and / or oxidation protection.
  • a thermal barrier coating (TBC, Thermal Barrier Coating) may be present on the MCrAlX coating, which is not shown in the figures.
  • TBC Thermal Barrier Coating
  • Such thermal barrier coatings are at ⁇ play, coatings of zirconium oxide (ZrO 2) whose Git ⁇ ter Jardin is at least partially stabilized by addition of yttrium oxide (Y 2 O 3) or stabili ⁇ Siert.
  • ZrO 2 zirconium oxide
  • Y 2 O 3 yttrium oxide
  • nanoscale aluminum particles 5 are homogenous distributed in the ver ⁇ MCrAlX coating. Their dimensions are less than 1 micrometer and are in the range up to about 100 nanometers, in particular in the range between 30 and 50 nanometers.
  • the aluminum particles 5 in the present embodiment are not to be confused with the aluminum component MCrAlX coating 1, rather they represent a depot of aluminum, is replaced from the spent aluminum of the aluminum component in the MCrAlX coating. In this way, the service life of Le ⁇ MCrAlX coating can be extended. Only when the aluminum of the nanoscale aluminum particles 5 is consumed, the coating must be renewed.
  • the replacement of the aluminum in the aluminum component he follows ⁇ by diffusion of the nanoscale aluminum particles 5 in areas that are depleted of aluminum.
  • the Diffu ⁇ sion of the aluminum particles is delayed as long as is to be replaced in the MCrAlX coating to spent aluminum.
  • the nanoscale aluminum particles are encapsulated with nickel.
  • the encapsulation 7 of the nanoscale particles 5 Aluminum slows the diffusi ⁇ on, whereby the uniform distribution of the aluminum particles is retained longer, which consequently leads to improved corrosion and / or oxidation properties of the coating. 1
  • nickel is selected as the material of the encapsulation 7. This is particularly appropriate when the base material of the base body 3 of the turbine blade is a nickel-based superalloy. Instead of nickel, however, other encapsulating material such as cobalt can be used. The use of cobalt as the encapsulating material is particularly suitable if, instead of the nickel-based superalloy, a cobalt-based superalloy is used.
  • sacrificial anode elements instead of the described MCrAlX coating, it is also possible for other coatings provided with sacrificial anode elements to be provided with encapsulated nanoscale particles made of sacrificial anode material and with corrosion and / or oxidation inhibiting coatings. Also, the sacrificial anode material does not necessarily have to be aluminum. Basically, it is sufficient if the sacrificial anode material, ie the material of the nanoscale particles, emits electrons more easily than the material to be protected by the coating.
  • FIGS. 3A and 3B A second exemplary embodiment of the layer structure according to the invention is shown in FIGS. 3A and 3B.
  • FIGS. 1A and 1B show FIGS. 3A and 3B highly schematic views of sections of a turbine blade.
  • the coating 101 is provided with nanoscale aluminum particles 105, which are surrounded by a nickel encapsulation 107.
  • the encapsulated aluminum particles are still about 109 polymers mitein ⁇ other networked. In this way, a stable lattice ⁇ structure of the encapsulated aluminum particles 105 are generated, which further counteracts premature diffusion of the aluminum particles 105.
  • the lifetime of the coating 101 in a corrosive and / or oxidizing hot gas environment can therefore be further extended compared to the coating 1 of the first embodiment.
  • the coating 101, the nanoscale particles 105 and the enclosure 107 is true with respect to the first exporting ⁇ approximately example performed similarly.
  • a heat-insulating coating may optionally be present on the corrosion-inhibiting and / or oxidation-inhibiting coating 101 in the second exemplary embodiment.
  • the coating 101 with the crosslinked nanoscale aluminum particles 105 can be produced by applying a coating in which the encapsulated nanoscale aluminum particles also have a polymer shell 111 surrounding the encapsulated particles.
  • the polymer shells 111 crosslink with one another, so that as a result the cross-linked structure from FIGS. 3A and 3B is formed.
  • the invention described in the exemplary embodiments shows a way of improving the corrosion and / or oxidation resistance of a layer by maintaining a homogeneous distribution of the sacrificial anode material in the material for a longer time.
  • the diffusion may be delayed wei ⁇ ter, when the particles are interconnected from the sacrificial anode Mate ⁇ rial.

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

Abstract

L'invention concerne une structure de couche comportant un support (3) en un matériau de support et une couche (1) anticorrosion et/ou antioxydante recouvrant le support (3), cette couche comprenant un matériau d'anode sacrificielle. La couche (1) anticorrosion et/ou antioxydante contient des particules d'anode sacrificielle (5) de taille nanométrique à base du matériau d'anode sacrificielle. Les particules d'anode sacrificielle (5,105) sont enrobées d'un matériau d'enrobage (7) différent du matériau d'anode sacrificielle.
PCT/EP2007/059467 2006-09-20 2007-09-10 Structure de couche et procédé de réalisation associé WO2008034732A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102006044706.9 2006-09-20
DE102006044706A DE102006044706B4 (de) 2006-09-20 2006-09-20 Schichtstruktur, deren Anwendung und Verfahren zur Herstellung einer Schichtstruktur

Publications (2)

Publication Number Publication Date
WO2008034732A2 true WO2008034732A2 (fr) 2008-03-27
WO2008034732A3 WO2008034732A3 (fr) 2008-11-13

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
CN118895509A (zh) * 2024-10-08 2024-11-05 山东天厚石油科技有限责任公司 一种耐高温牺牲阳极的镀渗钨油管及其制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007061236A1 (de) * 2007-12-19 2009-07-09 Ecka Granulate Gmbh & Co. Kg Transportform für unedle Metallteilchen und Verwendung derselben
DE102010014832B4 (de) 2010-04-10 2018-04-26 Technische Universität Braunschweig Leicht bearbeitbare Nickelbasis-Legierung

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Publication number Priority date Publication date Assignee Title
WO2002066706A2 (fr) * 2001-02-16 2002-08-29 Zheng Xiaoci M Revetements a haute temperature pour turbines a gaz
EP1548134A2 (fr) * 2003-12-22 2005-06-29 General Electric Company Alliage metallique nanocomposite pour éléments de construction à temperature elevée et procédés de production
EP1707652A1 (fr) * 2005-03-31 2006-10-04 Siemens Aktiengesellschaft Matrice et système de couches
DE102005062225B3 (de) * 2005-12-21 2007-06-21 Siemens Ag Legierungsprodukt vom MCrAIX-Typ und Verfahren zur Herstellung einer Schicht aus diesem Legierungsprodukt

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7588797B2 (en) * 2004-04-07 2009-09-15 General Electric Company Field repairable high temperature smooth wear coating
EP1645538A1 (fr) * 2004-10-05 2006-04-12 Siemens Aktiengesellschaft Compositions de materiaux destinees pour produire un revêtement sur un objet metallique et un composant métallique revêtu

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002066706A2 (fr) * 2001-02-16 2002-08-29 Zheng Xiaoci M Revetements a haute temperature pour turbines a gaz
EP1548134A2 (fr) * 2003-12-22 2005-06-29 General Electric Company Alliage metallique nanocomposite pour éléments de construction à temperature elevée et procédés de production
EP1707652A1 (fr) * 2005-03-31 2006-10-04 Siemens Aktiengesellschaft Matrice et système de couches
DE102005062225B3 (de) * 2005-12-21 2007-06-21 Siemens Ag Legierungsprodukt vom MCrAIX-Typ und Verfahren zur Herstellung einer Schicht aus diesem Legierungsprodukt

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118895509A (zh) * 2024-10-08 2024-11-05 山东天厚石油科技有限责任公司 一种耐高温牺牲阳极的镀渗钨油管及其制备方法

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DE102006044706A1 (de) 2008-04-03
DE102006044706B4 (de) 2010-05-06
WO2008034732A3 (fr) 2008-11-13

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