EP2352856A1 - Couche de protection contre la corrosion à haute température et procédé de fabrication - Google Patents

Couche de protection contre la corrosion à haute température et procédé de fabrication

Info

Publication number
EP2352856A1
EP2352856A1 EP09760703A EP09760703A EP2352856A1 EP 2352856 A1 EP2352856 A1 EP 2352856A1 EP 09760703 A EP09760703 A EP 09760703A EP 09760703 A EP09760703 A EP 09760703A EP 2352856 A1 EP2352856 A1 EP 2352856A1
Authority
EP
European Patent Office
Prior art keywords
temperature
diffusion
temperature material
metal
layer
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.)
Granted
Application number
EP09760703A
Other languages
German (de)
English (en)
Other versions
EP2352856B1 (fr
Inventor
Horst Pillhöfer
Markus Niedermeier
Siegfried Seuss
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
MTU Aero Engines AG
Original Assignee
MTU Aero Engines GmbH
MTU Aero Engines 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 MTU Aero Engines GmbH, MTU Aero Engines AG filed Critical MTU Aero Engines GmbH
Publication of EP2352856A1 publication Critical patent/EP2352856A1/fr
Application granted granted Critical
Publication of EP2352856B1 publication Critical patent/EP2352856B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • 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
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
    • C23C10/10—Chromising
    • 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
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/08—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases only one element being diffused
    • C23C10/10—Chromising
    • C23C10/12—Chromising of ferrous surfaces

Definitions

  • the present invention relates to a method for producing a metal-containing high-temperature protective layer on a metallic high-temperature material, wherein the metal is deposited on the high-temperature material via the gas phase to form the high-temperature protective layer and wherein the high-temperature material is maintained at a diffusion temperature for a certain time, so that at least one Part of the deposited metal diffused into a high-temperature material to form a diffusion zone.
  • the invention also relates to a correspondingly produced component made of a high-temperature material with a hot gas corrosion protection layer, which in particular contains chromium.
  • chromium-containing and aluminum-containing layers are used as protective layers, since these form slow-growing chromium oxide or aluminum oxide layers.
  • chromium layers it is known to form these as diffusion layers, wherein initially chromium is deposited electrolytically or via the gas phase in a powder pack in order subsequently to diffuse into the material to be protected.
  • a corresponding method is also described in the international application WO 2006/076013 A2, in which turbine blades are coated by a chromium diffusion method.
  • the component to be coated is packed in a powder pack of the so-called.
  • Donor metal wherein in the powder pack additionally an activator is included and a neutral filler material to prevent agglomeration of the powder may be provided.
  • the activator is usually a halogen compound, in particular a chlorine compound which is volatile and which takes over the transport of the donor material to the surface to be coated, so that it is deposited there.
  • the high-temperature protective layer should avoid the disadvantages of the prior art and in particular have good mechanical properties in terms of fatigue strength and ductility.
  • the corresponding method should be well controllable and controllable and easy to apply.
  • the invention is based on the finding that an improvement of the known from the prior art deposition from the gas phase in a powder pack to achieve this effect can be that the component to be coated is not embedded in the powder pack, but is arranged at a distance from the donor metal, so that a pure deposition takes place via the gas phase, wherein the surface to be coated of the high-temperature material is not in contact with solids or liquids , but only a solid / gas interface. Accordingly, any deposition via the gas phase is conceivable, regardless of how the gas phase is generated.
  • the deposition via the gas phase is possible in particular if, according to the known methods with donor metal particles and an activator, the donor metal particles or the activator are kept at a distance from the surface of the high-temperature material to be coated.
  • the distance may be in particular 0.1 to 100 mm, preferably 0.5 to 50 mm.
  • the donor metal powder may be present in a bed near the surface to be treated.
  • the bulk of the donor metal powder may have a density that includes 80% bulk or less, more preferably 70% bulk fill or less, to allow a sufficiently large surface area for the donor metal's reaction with the activator.
  • the donor metal powder can accordingly be present with an average or maximum particle size of 2 mm or greater, in particular 3 mm or greater, which in turn favors the provision of a sufficient reaction surface of the donor metal.
  • the process is carried out at a process temperature at which, on the one hand, diffusion of the deposited metal into the high-temperature material takes place and, on the other hand, when using a corresponding chemical vapor deposition process (CVD Chemical Vapor Deposition) with donor metal powder and activator sufficient metal transport of the metal to be deposited takes place.
  • the activator is preferably chosen so that at the process temperature or diffusion temperature of the activator has a vapor pressure of 0.1 to 600 mbar, preferably 0.5 to 500 mbar.
  • the method which is carried out in the absence of reactive gases, such as oxygen and the like, in a vacuum chamber or comparable reaction chamber, also provides that the corresponding reaction chamber is rinsed before and / or after the coating and / or during a pure diffusion phase, namely in particular with an inert or noble gas, preferably argon.
  • reactive gases such as oxygen and the like
  • a two-stage treatment process can be used.
  • a first process step may be provided in which both deposition of metal for the high-temperature protective layer takes place and at the same time the diffusion of the deposited metal into the high-temperature material takes place.
  • a second method step only a corresponding diffusion of the previously deposited metal can take place, so that the amount of deposited material and / or the diffusion depth can be adjusted in a targeted manner.
  • the method according to the invention thus offers the possibility of deliberately influencing the deposition and / or diffusion via a corresponding flushing of the clean gas space without disturbing powder packs on the surface to be coated, since a change in the pure gas atmosphere, the deposition of additional material can be stopped, while the diffusion of the deposited material in the high temperature material can be continued.
  • the process temperature is carried out in which both the deposition and diffusion and is therefore also referred to as a diffusion temperature in the range of 900 ° C may be up to 1200 0 C, in particular 1100 ° C to 1150 0 C and most preferably in the range of 1130 0 C to 1135 ° C.
  • the holding time also referred to as the diffusion time, ie the time during which the high-temperature material is kept at the diffusion temperature, can be between 2 hours and 15 hours, in particular 4 hours and 8 hours.
  • the pure diffusion phase in which there is no deposition of additional material, 1/10 to 1/15 of the total hold time, in particular 1/12 of the total hold time, ie in particular a quarter of an hour to three quarters of an hour, preferably approximately half an hour.
  • the method can be carried out in a two-shell apparatus, wherein an outer chamber provided around the reaction chamber may have a lower pressure, so that only excess gas escaping from the reaction chamber due to the overpressure, but no impurities can enter the reaction chambers.
  • the method according to the invention can be used in particular for the deposition of a chromium protective layer, specifically on corresponding nickel-base alloys for turbine blades.
  • the donor material may be chromium powder
  • the activator may be a halogen-containing, in particular chlorine-containing compound, in particular a chloride or a halide of a constituent of the high-temperature material or of the metal to be deposited.
  • nickel chlorides, cobalt chlorides, aluminum chlorides or chromium chlorides can be used.
  • a chromium-based ductile gradient protection layer which has a deposition layer, an inwardly directed diffusion layer and a buildup zone arranged between the diffusion and deposition layers, the chromium content of the construction zone between that of the diffusion layer and the deposition layer lies.
  • the support layer may in particular have the modification of ⁇ -chromium and a chromium content of 25 to 90% by weight, in particular 30 to 80% by weight.
  • the thickness of the support layer can be selected in the range of 0.1 to 20 .mu.m, in particular 0.2 to 15 .mu.m.
  • the buildup zone may have a chromium content of 15 to 40% by weight and in particular 20 to 30% by weight and a thickness of 2 to 75 ⁇ m, in particular 5 to 50 ⁇ m.
  • the diffusion layer which has a chromium content of 5 to 30% by weight, in particular 10 to 20% by weight may also have a thickness of 2 to 75 .mu.m, in particular 5 to 50 microns.
  • FIG. 1 shows an illustration of an apparatus for carrying out the coating process
  • Figure 2 is a sectional view through a portion of a material surface with the high temperature protective coating according to the invention.
  • FIG. 1 shows a purely schematic representation of an apparatus for carrying out the coating method according to the invention.
  • the apparatus comprises five process chambers 1, which are of identical construction and stacked one above the other in a reaction space 2, a so-called retort.
  • the reaction space 2 is in turn surrounded by a hood furnace 3, by means of which the corresponding process temperature or diffusion temperature can be adjusted.
  • the hood furnace 3 comprises, for example, an electrical resistance heater 9, which has the electrical connections 10 and 11.
  • the process chambers 1 each have a gas supply 6, which are supplied via a non-illustrated central gas supply with appropriate gas.
  • the gas supply 6 is arranged on the reaction chambers 1 such that a gas stream directed into the reaction chamber 1 is directed onto a powder bed 4 arranged at the bottom of the reaction chamber 1.
  • the powder bed 4 comprises the donor metal or the donor metal alloy, such as For example, chromium or a chromium alloy, which are to be coated in the reaction chambers 1 on the components 5. Since the gas supply lines 6 are directed to the powder bed 4, this can be flushed with a gas flow in an effective manner.
  • the reaction chambers 1 also have gas outlets 7, which are shown only schematically in the illustration of Figure 2.
  • the gas outlet 7 can be used in various ways as a check valve or as a semi-permeable seal, i. Seal with a passage direction, be formed, so that it is ensured that only gas escape from the reaction chambers 1, but can get no additional gas in this. This ensures that when rinsing the reaction chambers 1 corresponding reaction products can be removed from the chamber and in this a clean atmosphere can be set.
  • reaction chamber 2 also has a gas inlet 12 and a gas outlet 8, which is connected, for example, to a gas scrubber 13.
  • a corresponding powder of a donor metal or a donor metal alloy is introduced, for example, a chromium powder.
  • an activator is uniformly distributed on the loose bed of the donor metal powder, which has a density with a maximum of 70 or 80% space utilization.
  • the activator may be, for example, a halogen compound, in particular a chloride of the donor metal or a chloride of the high-temperature material to be coated.
  • a nickel-base alloy comprising, for example, nickel, cobalt, aluminum and the like, for example, nickel chlorides, cobalt chlorides, aluminum chlorides, chromium chlorides and the like can be used.
  • the component 5 to be coated is arranged in the vicinity of the bed or the powder bed 4, wherein a distance of the surface to be coated is set by the powder bed 4 in the order of 0.5 to 50 mm.
  • the correspondingly prepared reaction chambers 1, which are closed, for example, by a cover, are then stacked on one another in order to be received in the reaction space (retort) 2.
  • the entire structure of stacked reaction chambers 1, which are arranged in the reaction chamber 2 is surrounded by the hood furnace 3, so that by heating the hood furnace 3 located in the powder bed 4 materials and the component to be coated. 5 to be heated.
  • the metal halides or chlorides become volatile and cause them to transport the corresponding metal component, ie the donor metal, to the surface of the component 5, where the donor metal is deposited accordingly.
  • the liberated halogen or chlorine in turn reacts with the donor metal, for example chromium, and thus demands the donor metal on the surface of the component 5.
  • the process temperature is selected so that the donor metal can diffuse into the component 5 in, say for example at a chromizing a nickel-based alloy used for turbine blades, a temperature in the range of 1100 to 1150 ° C, in particular 1130 to 1135 0 C.
  • a Process temperature which can also be referred to as the diffusion temperature
  • the component to be coated 5 and the materials located in the process chambers 1 is maintained for a certain treatment time, which is in the range of 3 to 7 hours, especially 3.75 to 6.25 hours and most preferably in the range of 5 to 6 hours.
  • the coating process can be selected in two stages, by allowing only diffusion of the deposited metal into the component in the second part of the coating process, while preventing further deposition.
  • an inert gas such as argon
  • argon is blown into the reaction chambers 1 via the gas feeds 6 of the reaction chambers 1, so that the halogen compounds which are required for transporting the donor metal to the component surface are flushed out via the gas outlets 7, which are permeable only in one direction.
  • the reaction gases are also removed from the reaction space 2, wherein a purification of the exhaust gas via the gas scrubber 13 takes place.
  • the second part of the treatment process only the diffusion is maintained, since the process or diffusion temperature is maintained.
  • the second part of the treatment can be about 1/10 to 1/15 of the total holding time, preferably 1/12 of the holding time, the holding period being the time at which the desired diffusion temperature is reached in the reaction chamber 1. Due to the two-stage process with simultaneous deposition and diffusion of the layer material in the first process part and on the other hand, the process section in which only a diffusion takes place, the amount of deposited material and thus the thickness of the deposited layer can be varied and adjusted. At the same time, by adjusting the ratio between the process step, during which material is deposited at the same time and material is diffused into the component. founded, and the process step, in which only a diffusion takes place, the ratio between a correspondingly produced support layer and a diffusion zone and a build-up therebetween synthesis zone are set.
  • the reaction space 2 can be purged with an inert gas, such as argon, in order to remove process gases leaving the reaction chambers 1.
  • an inert gas such as argon
  • the pressure in the reaction chamber 2 is kept lower than in the reaction chambers 1, to allow only a gas flow from the reaction chambers 1 in the reaction chamber 2.
  • the method can be carried out such that the flushing rate is adjusted such that a 10 to 1000 times replacement of the process chamber volume or of the powder bed volume takes place at the end of the process.
  • the chromation according to the invention is a layer in the modification of the ⁇ -chromium, wherein the chromium content may vary between 25 and 80% by weight.
  • the layer thickness can be between 0.2 ⁇ m and 15 ⁇ m.
  • the buildup zone 21 has a lower chromium content in the range of 15 to 30% by weight of chromium and a layer thickness of 5 ⁇ m and 50 ⁇ m.
  • the inner chromium diffusion layer 22 has the lowest chromium content in the range of 5 to 20% by weight with a layer thickness of 5 ⁇ m and 50 ⁇ m.
  • the support layer 20 apart from the deposited chromium, there may also be elements made of the material of the component to be coated, for example nickel, cobalt, aluminum and the like.
  • a process for producing a metal-containing high-temperature protective layer on a metallic high-temperature material (5) in which the metal is deposited on the high-temperature material via the gas phase to form the high-temperature protective layer, the high-temperature material being kept at a diffusion temperature for a specific time, such that at least a portion of the deposited metal diffuses into the high-temperature material to form a diffusion zone in which the high-temperature material in the region of the surface to be coated is not in contact with solids or liquids, but only has a solid / gas interface.
  • Method according to one of the preceding embodiments in which the metal to be deposited is chromium or a chromium-containing alloy. 23. Method according to one of the preceding embodiments, in which the high-temperature material is a Ni-base alloy and / or a turbine blade material.

Landscapes

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

Abstract

La présente invention concerne un procédé de fabrication d'une couche de protection réfractaire contenant du métal sur un matériau réfractaire métallique (5), procédé suivant lequel le métal destiné à former la couche de protection réfractaire est déposé sur le matériau réfractaire en passant par la phase gazeuse. Le matériau réfractaire est maintenu pendant une période de temps prédéterminée à une température de diffusion, si bien qu'au moins une partie du métal déposé diffuse dans le matériau réfractaire pour former une zone de diffusion. Le matériau réfractaire, au niveau de la surface à revêtir, ne se trouve pas au contact de solides ou de liquides, mais présente uniquement une interface solide-gaz ainsi qu'un composant fait dans un matériau réfractaire avec une couche de protection contre la corrosion par les gaz chauds qui contient du chrome. Il existe une couche déposée contenant du chrome (20), appliquée à la surface du matériau réfractaire, une couche de diffusion (22) existant dans le matériau réfractaire et une zone de transition (21) située entre la couche déposée et la couche de diffusion, dont la teneur en chrome se situe entre celle de la couche de diffusion et de la couche déposée.
EP09760703.0A 2008-10-28 2009-10-24 Couche de protection contre la corrosion à haute température et procédé de fabrication Active EP2352856B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008053540A DE102008053540A1 (de) 2008-10-28 2008-10-28 Hochtemperaturkorrosionsschutzschicht und Verfahren zur Herstellung
PCT/DE2009/001497 WO2010048932A1 (fr) 2008-10-28 2009-10-24 Couche de protection contre la corrosion à haute température et procédé de fabrication

Publications (2)

Publication Number Publication Date
EP2352856A1 true EP2352856A1 (fr) 2011-08-10
EP2352856B1 EP2352856B1 (fr) 2018-06-27

Family

ID=41466903

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09760703.0A Active EP2352856B1 (fr) 2008-10-28 2009-10-24 Couche de protection contre la corrosion à haute température et procédé de fabrication

Country Status (4)

Country Link
EP (1) EP2352856B1 (fr)
CA (1) CA2741957A1 (fr)
DE (1) DE102008053540A1 (fr)
WO (1) WO2010048932A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011089131A1 (de) * 2011-12-20 2013-06-20 Mtu Aero Engines Gmbh Diffusionsbeschichtungsverfahren und damit hergestellte Chromschicht
CN117187738A (zh) * 2023-11-07 2023-12-08 中国航发沈阳黎明航空发动机有限责任公司 空心叶片内外表面气相沉积铬铝渗层的工艺方法

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1549845A (en) * 1975-04-04 1979-08-08 Secr Defence Diffusion coating of metal or other articles
JP3029546B2 (ja) * 1994-03-09 2000-04-04 株式会社荏原製作所 クロム拡散浸透耐熱合金部材とその製法
DE19730007C1 (de) * 1997-07-12 1999-03-25 Mtu Muenchen Gmbh Verfahren und Vorrichtung zur Gasphasendiffusionsbeschichtung von Werkstücken aus warmfestem Material mit einem Beschichtungsmaterial
DE19803740C2 (de) * 1998-01-30 2001-05-31 Mtu Aero Engines Gmbh Gasphasenbeschichtungsverfahren und Vorrichtung zur Gasphasenbeschichtung von Werkstücken
DE10036620C2 (de) * 2000-07-27 2002-09-26 Mtu Aero Engines Gmbh Verfahren und Vorrichtung zum Chromieren einer inneren Oberfläche eines Bauteils
SG97203A1 (en) * 2000-10-13 2003-07-18 Gen Electric Vapor-coating system including coating container with control of coating-vapor activity
DE10101070C1 (de) * 2001-01-11 2002-10-02 Mtu Aero Engines Gmbh Verfahren zum Gasphasendiffusionsbeschichten von metallischen Bauteilen
US7645485B2 (en) 2004-04-30 2010-01-12 Honeywell International Inc. Chromiumm diffusion coatings
FR2900416B1 (fr) * 2006-04-28 2008-10-24 Snecma Sa Dispositif et procede de traitement thermochimique de diffusion de chrome dans un substrat

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2010048932A1 *

Also Published As

Publication number Publication date
DE102008053540A1 (de) 2010-04-29
EP2352856B1 (fr) 2018-06-27
CA2741957A1 (fr) 2010-05-06
WO2010048932A1 (fr) 2010-05-06

Similar Documents

Publication Publication Date Title
DE69721905T2 (de) Modifizierte Platinaluminid-Diffusionsbeschichtung und CVD-Verfahren
EP1616979B1 (fr) D'application d'une couche protectrice sur un substrat et procédé de dêpot d'une couche protectrice
EP0609795B1 (fr) Couche d'isolation thermique céramique sur éléments métalliques et procédé de manufacture
DE1521493C3 (de) Verfahren zum Aluminisieren von Teilen aus einer feuerfesten Legierung
DE2020697A1 (de) Gegenstand aus einem titanhaltigen Traeger und einem UEberzug sowie Verfahren zur Herstellung dieses Gegenstandes
DE19607625C1 (de) Vorrichtung und Verfahren zur Präparation und/oder Beschichtung der Oberflächen von Hohlbauteilen
DE2357814A1 (de) Graphitkoerper mit siliciumcarbidbeschichtung
DE2621753A1 (de) Verfahren zur herstellung von aluminid-ueberzuegen auf nickel-, kobalt- und eisen-basislegierungen
DE19807636C1 (de) Verfahren zum Herstellen einer korrosions- und oxidationsbeständigen Schlickerschicht
DE102017100725A1 (de) CVD-Reaktor und Verfahren zum Reinigen eines CVD-Reaktors
DE3104581A1 (de) Mit einer deckschicht versehener gegenstand aus einer superlegierung und verfahren zu seiner herstellung
DE69928739T2 (de) Verfahren zum Aufbringen einer Beschichtung auf einem metallischen Gegenstand
EP2352856B1 (fr) Couche de protection contre la corrosion à haute température et procédé de fabrication
DE2028630C3 (de) Verfahren zum Aufbringen eines porösen metallischen Überzuges auf eine kompakte metallische Unterlage durch Hartlötung
EP1373593B1 (fr) Procede et dispositif pour le revetement par diffusion en phase gazeuse de composants metalliques
DE102009015545B4 (de) Beschichtungsanlage mit Aktivierungselement, deren Verwendung sowie Verfahren zur Abscheidung einer Beschichtung
US20230340644A1 (en) Ni-based alloy material
DE2126479A1 (de) Verfahren zum Aufbringen von Über zügen durch Packungszementierung auf hitzebestandige Legierungen
EP2126154B1 (fr) Revêtement pour composant de turbine à gaz et procédé de préparation d'un revêtement
EP2607515A2 (fr) Procédé de revêtement par diffusion et couche de chrome ainsi fabriquée
EP2840166B1 (fr) Couche de protection contre l'usure inter-métallique pour matières premières en titane
EP1889943A1 (fr) Procédé et dispositif destinés au revêtement d'un corps de base
DE602004001193T2 (de) Verfahren zur Herstellung eines beschichtetes Substrats aus Superlegierung stabilisiert gegen die Bildung einer sekundären Reaktionszone
WO2017059467A1 (fr) Composant d'une machine pour la transformation des métaux
DE2363830A1 (de) Oxydationsbestaendige materialien und strukturen

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: 20110408

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): 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 SE SI SK SM TR

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

Effective date: 20140423

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: MTU AERO ENGINES GMBH

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20180416

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): 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 SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1012420

Country of ref document: AT

Kind code of ref document: T

Effective date: 20180715

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502009015053

Country of ref document: DE

REG Reference to a national code

Ref country code: FR

Ref legal event code: PLFP

Year of fee payment: 10

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180927

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180927

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20180627

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180928

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20181027

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502009015053

Country of ref document: DE

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

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

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

26N No opposition filed

Effective date: 20190328

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20181031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181024

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181031

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181031

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181031

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181024

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1012420

Country of ref document: AT

Kind code of ref document: T

Effective date: 20181024

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20181024

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20180627

Ref country code: MK

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20180627

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20091024

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20231025

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20231023

Year of fee payment: 15

Ref country code: DE

Payment date: 20231018

Year of fee payment: 15