EP1492899A1 - Method for coating a component - Google Patents

Method for coating a component

Info

Publication number
EP1492899A1
EP1492899A1 EP03712073A EP03712073A EP1492899A1 EP 1492899 A1 EP1492899 A1 EP 1492899A1 EP 03712073 A EP03712073 A EP 03712073A EP 03712073 A EP03712073 A EP 03712073A EP 1492899 A1 EP1492899 A1 EP 1492899A1
Authority
EP
European Patent Office
Prior art keywords
coating
component
mask
ceramic powder
masking
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.)
Ceased
Application number
EP03712073A
Other languages
German (de)
French (fr)
Inventor
Thomas Berndt
Nigel-Philip Cox
Andreas Griep
Guido Kern
Gerhard Reich
Ralph Reiche
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
Priority to EP03712073A priority Critical patent/EP1492899A1/en
Publication of EP1492899A1 publication Critical patent/EP1492899A1/en
Ceased 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
    • C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
    • C23C16/04—Coating on selected surface areas, e.g. using masks
    • C23C16/042—Coating on selected surface areas, e.g. using masks using masks
    • 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
    • C23C10/04—Diffusion into selected surface areas, e.g. using masks
    • 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
    • C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
    • C23C14/04—Coating on selected surface areas, e.g. using masks
    • C23C14/042—Coating on selected surface areas, e.g. using masks using masks
    • 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
    • C23C4/01—Selective coating, e.g. pattern coating, without pre-treatment of the material to be coated
    • 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
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/04—Treatment of selected surface areas, e.g. using masks

Definitions

  • the invention relates to a method for coating a component according to the preamble of claim 1.
  • the entire outer or inner surface of a component should not always be coated. This applies to all coating processes, e.g. Plasma spraying, PVD (physical vapor deposition) or CVD (chemical vapor deposition) processes.
  • Parts of the coating must be removed where no coating was desired. This often happens through an abrasive removal of the coating in these areas, since the material of the coating adheres very well to the component or even reacts with it, e.g. if the component was coated with aluminum to carry out an alitation.
  • the abrasive removal leads to damage or a change in the geometry of the component. This is e.g. in the case of sandblasting, in which the sand particles remove the aluminum from the component, for example.
  • US Pat. No. 6,036,995 shows the need for masking by adhesive tapes, metal foils. Coating is carried out by applying slip. Metal foils do not adhere well to a substrate and therefore offer insufficient protection in a vapor deposition system in which the particles to be applied move in all directions. Adhesive tapes cannot withstand high temperatures.
  • the object is achieved by a method according to claim 1.
  • the surface in which no coating is desired is at least partially protected by a ceramic powder.
  • FIGS. 4 and 5 further exemplary embodiments for the application of the method according to the invention.
  • FIG. 1 shows a component 1, in particular a turbine blade of a gas turbine, for example consisting of a nickel or cobalt-based superalloy, which has a surface 4.
  • the surface 4 of the component 1 is to be coated with a ceramic or metallic coating material 19, such as aluminum.
  • the mask 7 consists of a suspension, a slip or a paste of a ceramic powder, in particular zirconium oxide, which is applied to the component 1 by immersing the component in the suspension, brushing, spraying or other types of application. The application can take place locally or over a large area. The mask 7 does not react with the component 1
  • Masking 7 remains adhered to component 1 during the coating of component 1, for example due to the presence of an organic binder in the paste or suspension.
  • the component 1 is coated with the coating material 19 by means of a CVD process (chemical vapor deposition) or PVD process (physical vapor deposition) or plasma spraying. Other types of coating are conceivable.
  • Figure 2 shows the component 1 that has been coated. There are areas 25 on the surface 4 with a coating 13 on the component 1 where this is desired. There is also a coating 16 on the mask 7.
  • the mask 7 can be easily removed, for example because it adheres to the component 1 only through the organic binder, there is no impairment of the component 1 in the regions 10 in which no coating was desired (FIG. 3). ,
  • FIG. 4 shows a further application example for the method according to the invention.
  • the component 1 can also have a cavity 22 in which a mask 7 is applied.
  • the process is therefore also suitable for external and internal surfaces.
  • FIG. 5 shows a further application example for the method according to the invention.
  • a coating 13 is to take place in the cavity 22 of the component 1.
  • a coating of an outer surface 28 of the component 1 is not desired, so that a mask 7 is applied to the outer surface 28 of the component 1.
  • the entire component 1 with the masking 7 can be introduced into the coating process without coating in the area 10 in which no coating is desired, but only in the desired areas on an inner surface 31 of the component 1.
  • the inner surface can likewise 31 are partially protected by masking.
  • This is e.g. particularly useful for internal alitation of turbine blades for a gas turbine.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • General Chemical & Material Sciences (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)

Abstract

Disclosed is a method for coating a component (1), comprising a masking (7) which is made at least in part of a ceramic powder and can therefore easily be removed after coating the component (1).

Description

Verfahren zur Beschichtung eines BauteilsProcess for coating a component
Die Erfindung betrifft ein Verfahren zur Beschichtung eines Bauteils gemäß dem Gattungsbegriff des Anspruchs 1.The invention relates to a method for coating a component according to the preamble of claim 1.
Bei der Beschichtung von Bauteilen soll nicht immer die gesamte äußere oder innere Oberfläche eines Bauteils beschichtet werden. Dies gilt für sämtliche Beschichtungsverfahren, wie z.B. Plasmaspritzen, PVD- (physical vapour deposition) oder CVD- (chemical vapour deposition) Prozesse.When coating components, the entire outer or inner surface of a component should not always be coated. This applies to all coating processes, e.g. Plasma spraying, PVD (physical vapor deposition) or CVD (chemical vapor deposition) processes.
Teile der Beschichtung müssen dort entfernt werden, in denen 9keine Beschichtung erwünscht war. Dies geschieht oft durch eine abrasive Abtragung der Beschichtung in diesen Bereichen, da das Material der Beschichtung sehr gut auf dem Bauteil haftet oder sogar mit diesem reagiert, wenn z.B. das Bauteil mit Aluminium beschichtet wurde, um eine Alitierung durchzuführen .Parts of the coating must be removed where no coating was desired. This often happens through an abrasive removal of the coating in these areas, since the material of the coating adheres very well to the component or even reacts with it, e.g. if the component was coated with aluminum to carry out an alitation.
Die abrasive Abtragung führt jedoch zu einer Schädigung oder Geometrieveränderung des Bauteils. Dies ist z.B. beim Sandstrahlen der Fall, bei dem die Sandpartikel bspw. das Aluminium von dem Bauteil wieder entfernen.However, the abrasive removal leads to damage or a change in the geometry of the component. This is e.g. in the case of sandblasting, in which the sand particles remove the aluminum from the component, for example.
Die US-PS 6,036,995 zeigt die Notwendigkeit von Maskierungen durch Klebebänder, Metallfolien. Die Beschichtung erfolgt durch Auftrag von Schlicker. Metallfolien haften nicht gut auf einer Unterlagen und bieten daher unzureichenden Schutz in einer Bedampf ngsanlage, in der die aufzutragenden Teilchen sich in allen Richtungen bewegen. Klebebänder halten keine hohen Temperaturen aus.US Pat. No. 6,036,995 shows the need for masking by adhesive tapes, metal foils. Coating is carried out by applying slip. Metal foils do not adhere well to a substrate and therefore offer insufficient protection in a vapor deposition system in which the particles to be applied move in all directions. Adhesive tapes cannot withstand high temperatures.
Bei der US-PS 5, 985, 368- erfolgt eine Beschichtung durch einen Schlicker aus Keramik. Es findet keine Maskierung statt. Die US-PS 6,283,714 zeigt die Notwendigkeit von Maskierungen bei Beschichtungen mit Aluminium. Durch eine bestimmte Anordnung innerhalb der Beschichtungsanlage wird aber vermieden, dass sich Aluminium auf den ungewünschten Stellen abscheidet.In US Pat. No. 5,985,368- a coating is made using a ceramic slip. There is no masking. US Pat. No. 6,283,714 shows the need for masking when coating with aluminum. A specific arrangement within the coating system prevents aluminum from depositing on the undesired points.
Es ist daher Aufgabe der Erfindung ein Verfahren zur Beschichtung eines Bauteils aufzuzeigen, bei dem durch eine Maskierung eine Beschichtung in den unerwünschten Bereichen unterbleibt, wobei die Maskierung auf einfache Art und Weise entfernt werden kann.It is therefore an object of the invention to provide a method for coating a component, in which masking prevents coating in the undesired areas, the masking being able to be removed in a simple manner.
Die Aufgabe wird durch ein Verfahren gemäß Anspruch 1 gelöst. Dabei wird die Oberfläche, in den Bereichen in denen keine Beschichtung erwünscht ist, zumindest teilweise durch ein Keramikpulver geschützt.The object is achieved by a method according to claim 1. The surface in which no coating is desired is at least partially protected by a ceramic powder.
In den Unteransprüchen sind weitere vorteilhafteIn the subclaims are further advantageous
Verbesserungen des Verfahrens gemäß Anspruch 1 aufgelistet.Improvements to the method according to claim 1 listed.
Ausführungsbeispiele sind in den nachfolgenden Figuren erläutert.Exemplary embodiments are explained in the following figures.
Es zeigenShow it
Figur 1, 2, 3 die Verfahrensschritte gemäß des erfindungsgemäßen Verfahrens,1, 2, 3 show the method steps according to the method according to the invention,
Figur 4, 5 weitere Ausführungsbeispiele für die Anwendung des erfindungsgemäßen Verfahrens,FIGS. 4 and 5 further exemplary embodiments for the application of the method according to the invention,
Figur 1 zeigt ein Bauteil 1, insbesondere eine Turbinenschaufel einer Gasturbine, bspw. bestehend aus einer Nickel- oder Cobalt- basierten Superlegierung, das eine Oberfläche 4 aufweist. Die Oberfläche 4 des Bauteils 1 soll mit einem keramischen oder metallischen Beschichtungsmaterial 19, wie z.B. Aluminium, beschichtet werden.FIG. 1 shows a component 1, in particular a turbine blade of a gas turbine, for example consisting of a nickel or cobalt-based superalloy, which has a surface 4. The surface 4 of the component 1 is to be coated with a ceramic or metallic coating material 19, such as aluminum.
Dabei gibt es Bereiche 10, in denen eine Beschichtung mit dem Beschichtungsmaterial 19 nicht erwünscht ist, wie z.B. ein Schaufelfuss (Befestigungsbereich) einer Turbinenschaufel.There are areas 10 in which coating with the coating material 19 is not desired, such as a blade root (fastening area) of a turbine blade.
Diese Bereiche 10 werden durch eine Maskierung 7 geschützt. Die Maskierung 7 besteht aus einer Suspension, einem Schlicker oder einer Paste eines Keramikpulvers, insbesondere Zirkoniumoxid, die durch Eintauchen des Bauteils in die Suspension, Bepinseln, Aufsprühen oder sonstige Auftragungsarten auf das Bauteil 1 aufgebracht wird. Die Auftragung kann lokal oder auch grossflächig erfolgen. Die Maskierung 7 reagiert nicht mit dem Bauteil 1. DieThese areas 10 are protected by a mask 7. The mask 7 consists of a suspension, a slip or a paste of a ceramic powder, in particular zirconium oxide, which is applied to the component 1 by immersing the component in the suspension, brushing, spraying or other types of application. The application can take place locally or over a large area. The mask 7 does not react with the component 1
Maskierung 7 bleibt während der Beschichtung des Bauteils 1 auf dem Bauteil 1 bspw. durch das Vorhandensein eines organischen Binders in der Paste oder der Suspension haften.Masking 7 remains adhered to component 1 during the coating of component 1, for example due to the presence of an organic binder in the paste or suspension.
Die Beschichtung des Bauteils 1 mit dem Beschichtungsmaterial 19 erfolgt durch einen CVD-Prozess (Chemical vapour deposition) oder PVD-Prozess (phyiscal vapour deposition) oder Plasmaspritzen. Weitere Beschichtungsarten sind denkbar.The component 1 is coated with the coating material 19 by means of a CVD process (chemical vapor deposition) or PVD process (physical vapor deposition) or plasma spraying. Other types of coating are conceivable.
Figur 2 zeigt das Bauteil 1, das beschichtet worden ist. Es gibt Bereiche 25 auf der Oberfläche 4 mit einer Beschichtung 13 auf dem Bauteil 1, wo diese erwünscht ist. Ebenso gibt es eine Beschichtung 16 auf der Maskierung 7.Figure 2 shows the component 1 that has been coated. There are areas 25 on the surface 4 with a coating 13 on the component 1 where this is desired. There is also a coating 16 on the mask 7.
Da die Maskierung 7 einfach entfernt werden kann, weil sie bspw. nur durch den organischen Binder an dem Bauteil 1 haftet, kommt es in den Bereichen 10, in denen keine Beschichtung erwünscht war, auch zu keiner Beeinträchtigung des Bauteils 1 (Fig. 3) .Since the mask 7 can be easily removed, for example because it adheres to the component 1 only through the organic binder, there is no impairment of the component 1 in the regions 10 in which no coating was desired (FIG. 3). ,
Die Maskierung 7 kann bspw. durch Abwaschen oder Trockeneisstrahlen entfernt werden. Figur 4 zeigt ein weiteres Anwendungsbeispiel für das erfindungsgemäße Verfahren.The mask 7 can be removed, for example, by washing or dry ice blasting. FIG. 4 shows a further application example for the method according to the invention.
Das Bauteil 1 kann auch einen Hohlraum 22 aufweisen, in dem eine Maskierung 7 aufgebracht wird. Das Verfahren eignet sich also auch für aussenliegende und innenliegende Flächen.The component 1 can also have a cavity 22 in which a mask 7 is applied. The process is therefore also suitable for external and internal surfaces.
Figur 5 zeigt ein weiteres Anwendungsbeispiel für das erfindungsgemäße Verfahren. Bei dem Bauteil 1 soll eine Beschichtung 13 im Hohlraum 22 des Bauteils 1 erfolgen.FIG. 5 shows a further application example for the method according to the invention. In the case of the component 1, a coating 13 is to take place in the cavity 22 of the component 1.
Eine Beschichtung einer äusseren Oberfläche 28 des Bauteils 1 ist nicht erwünscht, so dass eine Maskierung 7 auf die aussenliegende Fläche 28 des Bauteils 1 aufgebracht wird. So kann das ganze Bauteil 1 mit der Maskierung 7 in den Beschichtungsprozess eingeführt werden ohne dass eine Beschichtung in dem Bereich 10 erfolgt, in dem keine Beschichtung erwünscht ist, sondern nur in den gewünschten Bereichen auf einer Innenfläche 31 des Bauteils 1. Ebenso kann die Innenfläche 31 durch eine Maskierung teilweise geschützt werden.A coating of an outer surface 28 of the component 1 is not desired, so that a mask 7 is applied to the outer surface 28 of the component 1. In this way, the entire component 1 with the masking 7 can be introduced into the coating process without coating in the area 10 in which no coating is desired, but only in the desired areas on an inner surface 31 of the component 1. The inner surface can likewise 31 are partially protected by masking.
Dies ist z.B. bei der Innenalitierung von Turbinenschaufeln für eine Gasturbine besonders sinnvoll. This is e.g. particularly useful for internal alitation of turbine blades for a gas turbine.

Claims

Patentansprüche claims
1. Verfahren zur Beschichtung einer Oberfläche eines Bauteils, insbesondere einer Turbinenschaufel, das zumindest folgende Schritte umfasst :1. A method for coating a surface of a component, in particular a turbine blade, which comprises at least the following steps:
- Aufbringung einer Maskierung auf bestimmte Bereiche der Oberfläche des Bauteils, die keine Beschichtung aufweisen sollen, - Beschichtung des Bauteils, d a d u r c h g e k e n n z e i c h n e t, dass die Maskierung (7) als Schicht aus einem Keramikpulver besteht, wobei zur Herstellung die Maskierungsschicht kein Binder verwendet wird.- Applying a mask to certain areas of the surface of the component that should not have a coating, - coating the component so that the mask (7) consists of a layer of ceramic powder, whereby the masking layer does not use a binder to produce it.
2. Verfahren nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, dass die Maskierung (7) aus einer Suspension mit dem Keramikpulver gebildet ist.2. The method of claim 1, d a d u r c h g e k e n n z e i c h n e t that the mask (7) is formed from a suspension with the ceramic powder.
3. Verfahren nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, dass die Maskierung (7) aus einer Paste mit einem Keramikpulver gebildet ist.3. The method according to claim 1, d a d u r c h g e k e n n z e i c h n e t that the mask (7) is formed from a paste with a ceramic powder.
4. Verfahren nach Anspruch 1 , d a d u r c h g e k e n n z e i c h n e t, dass das Keramikpulver zumindest teilweise ein Zirkonoxidpulver ist .4. The method of claim 1, that the ceramic powder is at least partially a zirconium oxide powder.
5. Verfahren nach Anspruch 1 , d a d u r c h g e k e n n z e i c h n e t, dass auf das Bauteil (1) eine Aluminiumschicht aufgebracht wird. Verfahren nach Anspruch 1, d a d u r c h g e k e n n z e i c h n e t, dass die Beschichtung durch einen Chemical-vapour-deposition -5. The method according to claim 1, characterized in that an aluminum layer is applied to the component (1). A method according to claim 1, characterized in that the coating by a chemical vapor deposition -
(CVD-) Prozess erfolgt. (CVD) process takes place.
EP03712073A 2002-04-10 2003-03-21 Method for coating a component Ceased EP1492899A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP03712073A EP1492899A1 (en) 2002-04-10 2003-03-21 Method for coating a component

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
EP02008044A EP1352988A1 (en) 2002-04-10 2002-04-10 Method for coating an object
EP02008044 2002-04-10
PCT/EP2003/002977 WO2003085162A1 (en) 2002-04-10 2003-03-21 Method for coating a component
EP03712073A EP1492899A1 (en) 2002-04-10 2003-03-21 Method for coating a component

Publications (1)

Publication Number Publication Date
EP1492899A1 true EP1492899A1 (en) 2005-01-05

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EP02008044A Withdrawn EP1352988A1 (en) 2002-04-10 2002-04-10 Method for coating an object
EP03712073A Ceased EP1492899A1 (en) 2002-04-10 2003-03-21 Method for coating a component

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Country Status (3)

Country Link
US (1) US20050191421A1 (en)
EP (2) EP1352988A1 (en)
WO (1) WO2003085162A1 (en)

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EP1160352B1 (en) * 2000-05-31 2009-04-22 ALSTOM Technology Ltd Method of adjusting the size of cooling holes of a gas turbine component

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* Cited by examiner, † Cited by third party
Title
See references of WO03085162A1 *

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WO2003085162A1 (en) 2003-10-16
US20050191421A1 (en) 2005-09-01
EP1352988A1 (en) 2003-10-15

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