EP3242962A1 - Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component - Google Patents

Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component

Info

Publication number
EP3242962A1
EP3242962A1 EP16714398.1A EP16714398A EP3242962A1 EP 3242962 A1 EP3242962 A1 EP 3242962A1 EP 16714398 A EP16714398 A EP 16714398A EP 3242962 A1 EP3242962 A1 EP 3242962A1
Authority
EP
European Patent Office
Prior art keywords
layer
component
aluminum
corrosion protection
component according
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Withdrawn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
EP16714398.1A
Other languages
German (de)
French (fr)
Inventor
Werner Stamm
Alexander RÖTZHEIM
Mathias GALETZ
Xabier MONTERO
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.)
Siemens AG
Original Assignee
Siemens AG
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 AG filed Critical Siemens AG
Publication of EP3242962A1 publication Critical patent/EP3242962A1/en
Withdrawn legal-status Critical Current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
    • 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
    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01F—COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS
    • C01F7/00—Compounds of aluminium
    • C01F7/02—Aluminium oxide; Aluminium hydroxide; Aluminates
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01G—COMPOUNDS CONTAINING METALS NOT COVERED BY SUBCLASSES C01D OR C01F
    • C01G25/00—Compounds of zirconium
    • C01G25/02—Oxides

Definitions

  • the invention relates to the protection of a thermal barrier coating against corrosion comprising hollow aluminum oxide spheres and further comprising a glassy outermost protective layer.
  • the object is achieved by a method according to claim 1 with a component according to claim 2.
  • FIGS 1, 2, 3 schematically layering systems according to the invention with a corrosion protection layer.
  • the drawing and the description represent only embodiments of the invention.
  • the inventive step is the application of a layer of aluminum particles, in particular by a slurry.
  • a second optional layer has the composition of a low-melting, viscous glass whose
  • the glass has, in particular in Wesent ⁇ union S1O 2 and preferably contains for adjusting the melting point relevant accompanying elements, such as Magne ⁇ sium (Mg), calcium (Ca) or boron (B) and / or sodium (Na).
  • Mg Magne ⁇ sium
  • Ca calcium
  • B boron
  • Na sodium
  • the glass can also be formed during the heat treatment in an oxygen-containing atmosphere from a silazane, siloxane or silicone polymer as a precursor.
  • This Precur- sor can to adjust the shrinkage and Degradati ⁇ ons s or resistance to CMAS attack inorganic fillers see.
  • oxidation of the aluminum particles can be performed by the additional layer of glass without the pure aluminum particles running along the surface of the system clogging component holes during aging.
  • FIG. 1 shows a layer system 1 according to the invention which has a substrate 4.
  • the substrate 4 is metallic, in particular, wherein in particular ⁇ sondere comprises a nickel- or cobalt-based superalloy ⁇ .
  • ⁇ sondere comprises a nickel- or cobalt-based superalloy ⁇ .
  • an oxide layer TGO is formed in the case of the further coating, or by deliberate oxidation or at least during operation, which is not shown here in detail.
  • a ceramic protective layer 10 is present on this thermally grown oxide layer (TGO) or on the metallic adhesion promoter layer. This may have single-layer zirconia or two-layer zirconia and pyrochlore or "DVC" layers.
  • a corrosion protection layer 13 made of aluminum oxide spheres 14 (FIG. 1) is present on the ceramic protective layer 10, although a viscous glass is optionally applied as the outermost layer 16 (FIG. 2).
  • This layer may have a layer thickness between a few microns up to 300ym, especially a maximum of 200ym, most preferably a maximum of lOOym.
  • This layer should prevent the penetration of the CMAS (CMAF) layer and react with the CMAS (CMAF).
  • CMAF CMAS
  • CMAF CMAS
  • CMAF CMAS
  • the inventive step is also due to the application of the different particle sizes of the alumina, on the one hand a protection against Ni deposits but also against CMAS. Since the deposits of nickel (Ni) occur only at short notice and at the beginning of the operating time, there is a layer that acts short term here and has a layer with long-term effect against CMAS or similar attacks.
  • the layer of aluminum oxide balls and / or optionally glass is at least 20% thinner than the ceramic layer system 10.
  • the glass can in particular represent silicon oxide, in particular S1O 2 .
  • aluminum and zirconium can also be used.
  • aluminum oxide with zirconium oxide deposits and a reaction layer between the thermal barrier coating and the aluminum / zirconium layer are formed for the corrosion protection layer 16.
  • Zircon improves the adhesion of the protective layer to the thermal barrier coating.
  • zirconium reduces the viscosity of the CMAS and ver ⁇ prevents or decelerates the infiltration of the CMAS and he ⁇ thus höht the life of the layer system.
  • a glass layer can be applied and explained as explained above.
  • the heat treatment to form alumina or alumina / zirconia may be by a first use of the part or by an upstream heat treatment before the first use or after it has been installed in a high temperature insert machine.

Abstract

The invention relates to special type of corrosion protection for ceramic thermal insulation layers which is produced by joining hollow aluminum oxide particles and an outer glass layer, which is produced in particular by thermal treatment.

Description

Verfahren zur Herstellung einer Korrosionsschutzschicht für Wärmedämmschichten aus hohlen Aluminiumoxidkugeln und  Process for the preparation of a corrosion protection layer for thermal insulation layers of hollow aluminum oxide spheres and
äußerster Glasschicht und Bauteil  outermost glass layer and component
Die Erfindung betrifft den Schutz einer Wärmedämmschicht gegen Korrosion, die hohle Aluminiumoxidkugeln aufweist und des Weiteren eine glasartige äußerste Schutzschicht aufweisen kann . The invention relates to the protection of a thermal barrier coating against corrosion comprising hollow aluminum oxide spheres and further comprising a glassy outermost protective layer.
Im Heißgaspfad befinden sich Bauteile, die zur Erniedrigung der Metalltemperatur mit Wärmedämmschichten aus teilstabilisiertem Zirkon oder Gadoliniumzirkonat beschichtet werden. Die heutigen Oberflächentemperaturen der Keramiken in Verbin- dung mit Verunreinigungen wie CMAS führen zu chemischen Angriffen der Keramiken und auch zum Eindringen von Flüssigphasen in die Poren der Keramik. Gleichzeitig kann der Abrieb von Verdichterabradables zu einmaligen Nickelbelägen auf den Schichten führen. Auch dies führt zu TBC Abplatzungen durch reduzierte Wärmedehnungen. Bisher gibt es kein langzeitig stabiles System gegen diesen Mehrfachangriff. In the hot gas path are components that are coated to lower the metal temperature with heat-insulating layers of partially stabilized zirconium or gadolinium zirconate. Today's surface temperatures of ceramics in combination with impurities such as CMAS lead to chemical attack of the ceramics and also to penetration of liquid phases into the pores of the ceramics. At the same time, the abrasion of Verdichterabradables can lead to unique nickel coatings on the layers. This too leads to TBC flaking due to reduced thermal expansions. So far, there is no long-term stable system against this multiple attack.
Es ist daher Aufgabe der Erfindung oben genanntes Problem zu lösen . It is therefore an object of the invention to solve the above-mentioned problem.
Die Aufgabe wird gelöst durch ein Verfahren gemäß Anspruch 1 mit einem Bauteil gemäß Anspruch 2. The object is achieved by a method according to claim 1 with a component according to claim 2.
In den Unteransprüchen sind weitere vorteilhafte Maßnahmen aufgelistet, die beliebig miteinander kombiniert werden kön¬ nen, um weitere Vorteile zu erzielen. In the dependent claims further advantageous measures are listed, which are combined with each other Kings ¬ nen to obtain further advantages.
Es zeigen Show it
Figuren 1, 2, 3 schematisch erfindungsgemäße Schichtsys- teme mit einer Korrosionsschutzschicht.  Figures 1, 2, 3 schematically layering systems according to the invention with a corrosion protection layer.
Die Zeichnung und die Beschreibung stellen nur Ausführungsbeispiele der Erfindung dar. Der erfinderische Schritt liegt in der Aufbringung einer Schicht aus Aluminiumpartikeln, insbesondere durch einen Schlicker . The drawing and the description represent only embodiments of the invention. The inventive step is the application of a layer of aluminum particles, in particular by a slurry.
Eine zweite optionale Schicht besitzt die Zusammensetzung eines niedrigschmelzenden, viskosen Glases, dessen A second optional layer has the composition of a low-melting, viscous glass whose
Schmelzpunkt vorzugsweise niedriger oder im Bereich des Melting point preferably lower or in the range of
Schmelzpunkts des diffundierenden Metalls in der darunter liegenden Schicht ist. Das Glas weist insbesondere im Wesent¬ lichen S1O2 auf und enthält vorzugsweise für die Einstellung des Schmelzpunktes relevante Begleitelemente wie z.B. Magne¬ sium (Mg), Kalzium (Ca) oder auch Bor (B) und/oder Natrium (Na) . Melting point of the diffusing metal in the underlying layer. The glass has, in particular in Wesent ¬ union S1O 2 and preferably contains for adjusting the melting point relevant accompanying elements, such as Magne ¬ sium (Mg), calcium (Ca) or boron (B) and / or sodium (Na).
Das Glas kann auch erst während der Wärmebehandlung in sauerstoffhaltiger Atmosphäre aus einem Silazane-, Siloxane- oder Silicon-Polymer als Precursor gebildet werden. Diese Precur- sor können zur Einstellung des Schrumpfungs- und Degradati¬ onsverhaltens bzw. Widerstands gegen CMAS-Angriff anorgani- sehe Füllstoffe enthalten. The glass can also be formed during the heat treatment in an oxygen-containing atmosphere from a silazane, siloxane or silicone polymer as a precursor. This Precur- sor can to adjust the shrinkage and Degradati ¬ onsverhaltens or resistance to CMAS attack inorganic fillers see.
In jedem Fall kann durch die zusätzliche Schicht des Glases eine Oxidierung der Aluminiumpartikel durchgeführt werden, ohne das reine Aluminiumpartikel, die auf der Oberfläche des Systems entlanglaufen, Bohrungen des Bauteils während der Auslagerung verstopfen.  In any case, oxidation of the aluminum particles can be performed by the additional layer of glass without the pure aluminum particles running along the surface of the system clogging component holes during aging.
Die Figur 1 zeigt ein erfindungsgemäßes Schichtsystem 1, das ein Substrat 4 aufweist. FIG. 1 shows a layer system 1 according to the invention which has a substrate 4.
Das Substrat 4 ist insbesondere metallisch, wobei es insbe¬ sondere eine nickel- oder kobaltbasierte Superlegierung auf¬ weist. Auf dem Substrat 4 ist eine optionale metallische Haftver¬ mittlerschicht 7 vorhanden. Insbesondere ist dies eine Über¬ zugsschicht insbesondere auf der Basis MCrAlY (M = Ni, Co und/oder Fe) . Auf dieser Haftvermittlerschicht 7 bildet sich bei der weite¬ ren Beschichtung, oder durch bewusste Oxidation oder zumindest im Betrieb eine Oxidschicht (TGO) , die hier nicht näher dargestellt ist. The substrate 4 is metallic, in particular, wherein in particular ¬ sondere comprises a nickel- or cobalt-based superalloy ¬. On the substrate 4 is an optional metallic adhesion promoter ¬ mid layer 7 is present. In particular, this is an over ¬ zugsschicht particular based MCrAlY (M = Ni, Co and / or Fe). On this adhesion promoter layer 7, an oxide layer (TGO) is formed in the case of the further coating, or by deliberate oxidation or at least during operation, which is not shown here in detail.
Auf dieser thermisch gewachsenen Oxidschicht (TGO) oder auf der metallischen Haftvermittlerschicht ist eine keramische Schutzschicht 10 vorhanden. Diese kann einlagig Zirkonoxid oder zweilagig Zirkonoxid und Pyrochlor oder „DVC"-Schichten aufweisen . A ceramic protective layer 10 is present on this thermally grown oxide layer (TGO) or on the metallic adhesion promoter layer. This may have single-layer zirconia or two-layer zirconia and pyrochlore or "DVC" layers.
Erfindungsgemäß ist auf der keramischen Schutzschicht 10 eine Korrosionsschutzschicht 13 aus Aluminiumoxidkugeln 14 (Fig. 1) vorhanden, wobei jedoch optional als äußerste Schicht 16 (Fig. 2) ein viskoses Glas aufgebracht ist. According to the invention, a corrosion protection layer 13 made of aluminum oxide spheres 14 (FIG. 1) is present on the ceramic protective layer 10, although a viscous glass is optionally applied as the outermost layer 16 (FIG. 2).
Für die Herstellung wird auf die keramische Schutzschicht 10 eine Schicht aus Aluminiumpartikeln, insbesondere mit For the preparation of the ceramic protective layer 10, a layer of aluminum particles, in particular with
Korngrößen von lym bis 50ym aufgebracht, insbesondere durch einen Schlicker, Aufdampfen, Aufsputtern, etc.. Diese Schicht kann eine Schichtdicke zwischen einigen Mikrometern bis zu 300ym, insbesondere maximal 200ym, ganz insbesondere maximal lOOym aufweisen. Grain sizes from lym to 50ym applied, in particular by a slip, vapor deposition, sputtering, etc .. This layer may have a layer thickness between a few microns up to 300ym, especially a maximum of 200ym, most preferably a maximum of lOOym.
Diese Schicht soll das Eindringen der CMAS (CMAF) Schicht verhindern sowie mit dem CMAS (CMAF) reagieren. Durch eine Wärmebehandlung bildet sich Aluminiumoxid und eine Reaktions¬ schicht zwischen Wärmedämmschicht und Aluminiumschicht. Das so aufgebrachte Alumina hat einen geringeren Ausdehnungskoef¬ fizienten und in Verbindung mit dem Nickel (Ni) , der von dem Verdichterabradable stammt, platzt ein Teil des Aluminium¬ oxids ab. Die verbleibende Schicht schützt dann gegen das Eindringen von Flüssigablagerungen. This layer should prevent the penetration of the CMAS (CMAF) layer and react with the CMAS (CMAF). By a heat treatment, aluminum oxide, and a reaction layer between ¬ thermal insulation layer and aluminum layer forms. The thus-coated alumina has a lower coefficient Ausdehnungskoef ¬ and in conjunction with the nickel (Ni), originating from the Verdichterabradable, bursting a part of the aluminum oxide from ¬. The remaining layer then protects against the penetration of liquid deposits.
Der erfinderische Schritt liegt auch in der Aufbringung der unterschiedlichen Partikelgrößen des Aluminiumoxids begründet, das einerseits einen Schutz gegen Ni-Ablagerungen aber auch gegen CMAS aufweist. Da die Ablagerungen von Nickel (Ni) nur kurzfristig und am Beginn der Betriebszeit auftritt, ist eine Schicht vorhanden, die hier kurzfristig wirkt und eine Schicht mit Langzeitwirkung gegen CMAS oder ähnliche Angriffe aufweist . The inventive step is also due to the application of the different particle sizes of the alumina, on the one hand a protection against Ni deposits but also against CMAS. Since the deposits of nickel (Ni) occur only at short notice and at the beginning of the operating time, there is a layer that acts short term here and has a layer with long-term effect against CMAS or similar attacks.
Die Schicht aus Aluminiumoxidkugeln und/optional Glas ist je- weils mindestens 20% dünner als das keramische Schichtsystem 10. The layer of aluminum oxide balls and / or optionally glass is at least 20% thinner than the ceramic layer system 10.
Das Glas kann insbesondere Siliziumoxid, insbesondere S1O2 darstellen . The glass can in particular represent silicon oxide, in particular S1O 2 .
Anstatt Aluminium kann auch Aluminium und Zirkon (Fig. 3) verwendet werden. Durch eine Wärmebehandlung bildet sich für die Korrosionsschutzschicht 16 Aluminiumoxid mit Zirkonoxid Einlagerungen und eine Reaktionsschicht zwischen Wärmedämmschicht und Aluminium/Zirkon-Schicht . Durch Zirkon verbessert sich die Haftung der Schutzschicht an der Wärmedämmschicht. Zusätzlich verringert Zirkon die Viskosität des CMAS und ver¬ hindert bzw. entschleunigt die Infiltration des CMAS und er¬ höht somit die Lebensdauer des Schichtsystems. Instead of aluminum, aluminum and zirconium (FIG. 3) can also be used. By means of a heat treatment, aluminum oxide with zirconium oxide deposits and a reaction layer between the thermal barrier coating and the aluminum / zirconium layer are formed for the corrosion protection layer 16. Zircon improves the adhesion of the protective layer to the thermal barrier coating. In addition, zirconium reduces the viscosity of the CMAS and ver ¬ prevents or decelerates the infiltration of the CMAS and he ¬ thus höht the life of the layer system.
Auch über der Schicht aus Aluminiumoxid/Zirkonoxid bzw. über das metallische Aluminium/Zirkon kann eine Glasschicht wie oben erläutert aufgebracht werden und sein. Also over the layer of aluminum oxide / zirconium oxide or over the metallic aluminum / zirconium, a glass layer can be applied and explained as explained above.
Die Wärmebehandlung zur Bildung von Aluminiumoxid oder Aluminiumoxid/Zirkonoxid kann durch einen ersten Einsatz des Bauteils erfolgen oder durch vorgelagerte Wärmebehandlung vor dem ersten Einsatz oder nachdem es in eine Maschine für einen Hochtemperatureinsatz eingebaut wurde. The heat treatment to form alumina or alumina / zirconia may be by a first use of the part or by an upstream heat treatment before the first use or after it has been installed in a high temperature insert machine.

Claims

Patentansprüche claims
1. Verfahren 1. Procedure
zur Herstellung eines keramischen Schichtsystems (10) mit äußerster Korrosionsschutzschicht (13; 13 16; 15), bei dem zumindest auf  for producing a ceramic layer system (10) with the outermost corrosion protection layer (13, 13, 16, 15), in which at least
ein Substrat (4)  a substrate (4)
optional eine metallische Haftvermittlerschicht (7), zumindest eine keramische Schutzschicht (10) auf dem Sub¬ strat (4) und optionally a metallic bonding layer (7), at least one ceramic protective layer (10) in the sub ¬ strat (4) and
eine Schicht aus Aluminiumpartikel auf die keramische  a layer of aluminum particles on the ceramic
Schutzschicht (10) aufgebracht werden,  Protective layer (10) are applied,
insbesondere nur Aluminiumpartikel aufgebracht werden, die durch eine Wärmebehandlung Aluminiumoxid bilden, insbesondere hohle Aluminiumoxidkugeln bilden und  In particular, only aluminum particles are applied, which form aluminum oxide by a heat treatment, in particular form hollow aluminum oxide spheres and
Durchführung einer Wärmebehandlung.  Carrying out a heat treatment.
2. Bauteil, 2nd component,
insbesondere hergestellt nach Anspruch 1,  in particular produced according to claim 1,
das zumindest aufweist:  that at least has:
ein Substrat ( 4 ) ,  a substrate (4),
insbesondere aus einer nickel- oder kobaltbasierten Super- legierung,  in particular of a nickel- or cobalt-based superalloy,
optional eine metallische Haftvermittlerschicht ( 7 ) ,  optionally a metallic adhesion promoter layer (7),
insbesondere auf der Basis MCrAlY (M = Ni, Co und/oder Fe), eine keramische Schutzschicht (10) zur Wärmedämmung, eine im Vergleich zur keramischen Schutzschicht (10) dünnere Korrosionsschutzschicht (13; 13 16; 15),  in particular based on MCrAlY (M = Ni, Co and / or Fe), a ceramic protective layer (10) for thermal insulation, a thinner corrosion protection layer (13; 13 16; 15) compared to the ceramic protective layer (10),
die zumindest Aluminiumoxidkugeln (14) aufweist.  having at least alumina balls (14).
3. Verfahren nach Anspruch 1, 3. The method according to claim 1,
bei dem Aluminiumpartikel durch einen Schlicker, Aufdampfen oder Aufsputtern aufgebracht werden. in which aluminum particles are applied by slip, vapor deposition or sputtering.
4. Verfahren oder Bauteil nach Anspruch 1, 2 oder 3, bei dem eine Mischung aus Aluminiumpartikeln und Zirkon- partikeln aufgebracht wird oder ist. 4. A method or component according to claim 1, 2 or 3, wherein a mixture of aluminum particles and zirconium particles is applied or is.
5. Verfahren oder Bauteil nach einem oder mehreren der Ansprüche 1, 2, 3 oder 4, 5. A method or component according to one or more of claims 1, 2, 3 or 4,
bei dem das Pulver Korngrößen von bis 50ym aufweist, insbesondere lym bis 50ym.  in which the powder has grain sizes of up to 50ym, in particular lym to 50ym.
6. Verfahren oder Bauteil nach Anspruch 1, 2, 3, 4 oder 5, bei dem ein niedrigschmelzendes, viskoses Glas auf die Alu¬ miniumschicht, die Aluminium/Zirkon-Schicht oder der oxi- dierten Schichten davon aufgebracht wird oder ist, 6. The method or device of claim 1, 2, 3, 4 or 5, in which a low-melting, viscous glass miniumschicht onto the aluminum ¬ applied which aluminum / zirconium layer or the oxy-founded layers or,
insbesondere durch einen Schlicker aufgebracht wird oder ist .  is applied in particular by a slip or is.
7. Verfahren oder Bauteil nach Anspruch 6, 7. A method or component according to claim 6,
bei dem das niedrigschmelzende, viskose Glas Siliziumoxid, insbesondere S1O2 aufweist. in which the low-melting, viscous glass comprises silicon oxide, in particular S1O 2 .
8. Verfahren oder Bauteil nach einem oder beiden der Ansprüche 6 oder 7, 8. A method or component according to one or both of claims 6 or 7,
bei dem das niedrigschmelzende, viskose Glas Zusätze wie Magnesium (Mg), Calcium (Ca), Bor (B) und/oder Natrium (Na) aufweist .  wherein the low melting viscous glass has additives such as magnesium (Mg), calcium (Ca), boron (B) and / or sodium (Na).
9. Verfahren oder Bauteil nach einem oder mehreren der vorherigen Ansprüche 6 bis 8, 9. A method or component according to one or more of the preceding claims 6 to 8,
bei dem siliciumhaltige Precursor für das Glas auf die Alu- miniumschicht , die Aluminium/Zirkon-Schicht oder der oxi- dierten Schichten aufgebracht werden oder sind,  in which the silicon-containing precursor for the glass is or are applied to the aluminum layer, the aluminum / zirconium layer or the oxidized layers,
insbesondere Silazane-, Siloxane-, oder Silocon-Polymere . in particular silazane, siloxane, or silicone polymers.
10. Bauteil nach mindestens einem oder mehreren der Ansprü¬ che 2 bis 9, 10. Component according to at least one or more of Ansprü ¬ che 2 to 9,
bei dem auf der Schicht von Aluminiumoxidkugeln (13) eine äußerste Glasschicht (16) vorhanden ist.  wherein an outermost glass layer (16) is present on the layer of alumina balls (13).
11. Verfahren oder Bauteil nach einem oder mehreren der vor- hergehenden Ansprüche, 11. Method or component according to one or more of the preceding claims,
bei dem die Korrosionsschutzschicht (13; 13 16; 15) min¬ destens 30% dünner ausgeführt ist als die keramische wherein the corrosion protection layer (13; 13 16; 15) min ¬ is executed least 30% thinner than the ceramic
Schutzschicht (10).  Protective layer (10).
12. Bauteil nach Anspruch 2, 5, 7, 8, 9, 10 oder 11, 12. Component according to claim 2, 5, 7, 8, 9, 10 or 11,
bei dem die Korrosionsschutzschicht (15) Aluminiumoxid und Zirkonoxid aufweist,  wherein the corrosion protection layer (15) comprises alumina and zirconia,
insbesondere daraus besteht.  in particular.
13. Verfahren nach einem oder mehreren der vorhergehenden Ansprüche 1 oder 3 bis 12, 13. The method according to one or more of the preceding claims 1 or 3 to 12,
bei dem die Wärmebehandlung durch einen ersten Einsatz des Bauteils bei hohen Temperaturen erzielt wird.  in which the heat treatment is achieved by a first use of the component at high temperatures.
14. Verfahren nach einem oder mehreren der vorhergehenden Ansprüche 1 oder 3 bis 12, 14. The method according to one or more of the preceding claims 1 or 3 to 12,
bei dem die Wärmebehandlung vor dem ersten Einsatz des Bauteils und/oder Einbau des Bauteils in eine Maschine durch¬ geführt wird. in which the heat treatment is performed before the first use of the component and / or installation of the component in a machine ¬ .
15. Verfahren oder Bauteil nach einem oder mehreren der vorhergehenden Ansprüche, 15. A method or component according to one or more of the preceding claims,
bei dem die Korrosionsschutzschicht (13; 13 16; 15) maxi¬ mal 300ym dick ist, wherein the corrosion protection layer (13; 13 16; 15) maxi ¬ times 300ym thick,
insbesondere maximal 200ym dick ist,  especially a maximum of 200ym thick,
ganz insbesondere maximal lOOym dick ist.  in particular, at most 100 microns thick.
EP16714398.1A 2015-04-09 2016-04-04 Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component Withdrawn EP3242962A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015206332.1A DE102015206332A1 (en) 2015-04-09 2015-04-09 Process for the preparation of a corrosion protection layer for thermal insulation layers of hollow aluminum oxide spheres and outermost glass layer and component
PCT/EP2016/057309 WO2016162295A1 (en) 2015-04-09 2016-04-04 Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component

Publications (1)

Publication Number Publication Date
EP3242962A1 true EP3242962A1 (en) 2017-11-15

Family

ID=55661430

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16714398.1A Withdrawn EP3242962A1 (en) 2015-04-09 2016-04-04 Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component

Country Status (4)

Country Link
US (1) US20180066367A1 (en)
EP (1) EP3242962A1 (en)
DE (1) DE102015206332A1 (en)
WO (1) WO2016162295A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015221751A1 (en) * 2015-11-05 2017-05-11 Siemens Aktiengesellschaft Process for the preparation of a corrosion protection layer for thermal insulation layers of hollow aluminum oxide spheres and outermost glass layer and component and material mixture
DE102016204627A1 (en) * 2016-03-21 2017-09-21 Siemens Aktiengesellschaft Process for machining a component provided with a thermal barrier coating

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4537632A (en) * 1983-10-19 1985-08-27 Sermatech International, Inc. Spherical aluminum particles in coatings
US6465090B1 (en) * 1995-11-30 2002-10-15 General Electric Company Protective coating for thermal barrier coatings and coating method therefor
US6733907B2 (en) * 1998-03-27 2004-05-11 Siemens Westinghouse Power Corporation Hybrid ceramic material composed of insulating and structural ceramic layers
US6071628A (en) * 1999-03-31 2000-06-06 Lockheed Martin Energy Systems, Inc. Thermal barrier coating for alloy systems
US6670046B1 (en) * 2000-08-31 2003-12-30 Siemens Westinghouse Power Corporation Thermal barrier coating system for turbine components
US7368164B2 (en) * 2004-06-18 2008-05-06 General Electric Company Smooth outer coating for combustor components and coating method therefor
EP1645538A1 (en) * 2004-10-05 2006-04-12 Siemens Aktiengesellschaft Material composition for the production of a coating of a metallic component and coated metallic component
EP2484951B1 (en) * 2005-10-18 2018-01-31 LG Electronics Inc. Vacuum insulation panel and insulation structure of refrigerator applying the same
DE102006010860A1 (en) * 2006-03-09 2007-09-13 Mtu Aero Engines Gmbh Production of ceramic heat-insulating layer on component for use in compressor and turbine units, by preparing ceramic vapor for deposition on component and depositing vapor on component for forming column-/pole-like heat-insulating layer
DE102006013658B4 (en) * 2006-03-24 2008-01-31 Stefan Wolz Process for the production of tooth parts by electrophoretic free-forming
EP2194163A1 (en) * 2008-12-02 2010-06-09 Siemens Aktiengesellschaft Ceramic heat insulating layers with aluminium oxide particles and method for characterising such a heat insulating layer
JP5075880B2 (en) * 2009-06-30 2012-11-21 株式会社日立製作所 Heat-resistant parts and high-temperature parts for gas turbines
EP2631321A1 (en) * 2012-02-22 2013-08-28 Siemens Aktiengesellschaft Ceramic heat insulation layer system with external high aluminium layer and method
DE102012218198A1 (en) * 2012-10-05 2014-04-10 Lufthansa Technik Ag Thermal barrier coating, gas turbine component and method of coating a gas turbine component
DE102014205491A1 (en) * 2014-03-25 2015-10-01 Siemens Aktiengesellschaft Ceramic thermal barrier coating system with protective coating against CMAS

Also Published As

Publication number Publication date
US20180066367A1 (en) 2018-03-08
DE102015206332A1 (en) 2016-10-13
WO2016162295A1 (en) 2016-10-13

Similar Documents

Publication Publication Date Title
DE60114495T2 (en) Environmental / thermal barrier for a silicon-based substrate
DE602005003866T2 (en) An article comprising a silicon-containing substrate and a hafnium oxide-containing barrier layer on the surface
DE112013003838T5 (en) Hybrid air plasma spray and slurry method for depositing an environmental barrier
EP1937863A2 (en) Sandwich thermal insulation layer system and method for production
CH704833A1 (en) Component for a turbo machine and a method of manufacturing such a component.
WO2016162295A1 (en) Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer as outer layer and component
WO2007016906A1 (en) Thermal barrier coating system
WO2009049597A2 (en) Wear protection coating
EP2036999A1 (en) Method for manufacturing a heat insulation layer and heat insulation layer
WO2012163991A1 (en) Method for applying a protective layer, component coated with a protective layer, and gas turbine comprising such a component
WO2017076583A1 (en) Method for producing a corrosion protection layer for thermal insulation layers made of hollow aluminum oxide balls and glass layer and component as well as material mixture
DE102006030235B4 (en) Process for the protection of hot gas corrosion of ceramic surfaces or a body, high temperature resistant body and their use
EP3738942A1 (en) Ceramic with anti-corrosion coating and method for its preparation and its use
EP3078649B1 (en) Composite ceramic with corrosion protection layer and method for producing same
EP1352989A1 (en) Object having a masking layer
EP3426623A1 (en) Heat shield having an outermost yttrium oxide coating, production method and product
WO2015165662A1 (en) Cmas-resistant ceramic layer resulting from nanoporosity
WO2015144415A1 (en) Ceramic thermal barrier coating system comprising a layer protecting from cmas
DE102015222808A1 (en) Segmented two-ply layer system
EP1496034B1 (en) High temperature resistant component and method of manufacturing
WO2012089200A1 (en) Method for producing a corrosion-inhibiting diffusion layer in the peripheral zone, near the surface, of a substrate that consists of a metal or a metal alloy, and layer system therefor
WO2022038070A1 (en) Coating of a component of high-temperature-resistant ceramic fibre composite materials
DE102017206063A1 (en) Partially and fully stabilized zirconium oxide powder as a ceramic layer
DE102004052135A1 (en) Coated metal substrate especially a hard metal with a wear protection layer consisting of high purity Al2O3 nanocrystals and containing residual pressure stresses useful in tool production
WO2018209374A1 (en) Method for improving the wear resistance of a component

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

17P Request for examination filed

Effective date: 20170809

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
17Q First examination report despatched

Effective date: 20190416

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20190827