EP3493931A1 - Method for producing a channel structure and component - Google Patents
Method for producing a channel structure and componentInfo
- Publication number
- EP3493931A1 EP3493931A1 EP17754641.3A EP17754641A EP3493931A1 EP 3493931 A1 EP3493931 A1 EP 3493931A1 EP 17754641 A EP17754641 A EP 17754641A EP 3493931 A1 EP3493931 A1 EP 3493931A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- webs
- component
- channel structure
- base body
- angle
- 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- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/187—Convection cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/10—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of articles with cavities or holes, not otherwise provided for in the preceding subgroups
-
- 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
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
- B22F2998/10—Processes characterised by the sequence of their steps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F2999/00—Aspects linked to processes or compositions used in powder metallurgy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2230/00—Manufacture
- F05D2230/30—Manufacture with deposition of material
- F05D2230/31—Layer deposition
- F05D2230/312—Layer deposition by plasma spraying
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/204—Heat transfer, e.g. cooling by the use of microcircuits
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Definitions
- the present invention relates to a method for producing a duct structure for a turbomachine or for a component used for the operation of a turbomachine.
- the method may be a method of providing a base body having a channel structure or cooling structure.
- the component or the component is preferably provided for use in a turbomachine, preferably a gas turbine.
- the component is preferably made of a superalloy, in particular a nickel- or cobalt-based superalloy.
- the superalloy may be precipitation hardened or precipitation hardenable.
- the component is preferably used in a hot gas path or hot gas region of a turbomachine, such as a gas turbine.
- the component is a blade of a gas turbine or a corresponding blade core or a semi-finished product for the turbine blade.
- the method is preferably at least partially an additive manufacturing process and / or a combined process of additive and conventional technologies, for example thermal spray processes.
- a thermal spraying process is known, for example, from EP 2 391 744 B1.
- Generative or additive manufacturing processes include, for example, jet melting and / or jet welding processes.
- the beam melting methods include, in particular, selective laser melting (SLM) or electron beam melting (EBM).
- SLM selective laser melting
- EBM electron beam melting
- the beam welding methods mentioned belong for example, the electron beam welding or laser deposition welding (LMD: English for laser metal deposition), in particular the laser powder deposition welding.
- a method for build-up welding is known, for example, from EP 2 756 909 A1.
- additive manufacturing have proved to be particularly advantageous for complex or complicated or filigree-designed components, for example labyrinth-like structures, cooling structures and / or lightweight structures,
- additive manufacturing is characterized by a particularly short chain of process steps advantageous because a manufacturing or manufacturing step of a component can take place directly on the basis of design data and / or a corresponding CAD file.
- the additive manufacturing is particularly advantageous for the development or production of prototypes, which can not or can not be efficiently produced, for example, for cost reasons by means of conventional subtractive or metal-cutting processes or casting technology.
- a problem which occurs in the production of hot-gas turbine parts is the difficulty of designing the corresponding components, in particular turbine blades, correspondingly resistant to temperature and / or oxidation.
- a base material of the blades is usually made of a superalloy hardened by the ⁇ and / or ⁇ 'phase of the respective material, which has the corresponding hot crack resistance and / or creep resistance for the mechanical and thermally highly stressed part.
- thermal barrier coatings TBC: English for "thermal barrier coating” usually contain ceramics, which are particularly temperature resistant, and protect, for example, the blade core during operation of the component from excessive thermal loads.
- active solders or high-temperature solders are often used, which are typically processed at temperatures between 800 ° C and 1050 ° C. Through the use of active solders a direct soldering of ceramics without additional metallization is possible.
- the solders mentioned are usually metallic solders which, because of their alloy composition, are capable of wetting ceramic materials and thus bonding them, for example, to a metallic material. During the process, a thin, continuous reaction layer usually forms on the surface of the ceramic, which allows the necessary adhesion and / or use.
- the high-temperature brazing is usually carried out under argon and / or in vacuo.
- the inventive method relates to the design of a thermal insulation or Protective layer with an inherent channel structure, so that a suitably coated component can be exposed during operation particularly high temperatures, without affecting the life of the component significantly or cause damage.
- One aspect of the present invention relates to a method for producing a duct structure for a turbomachine, in particular a gas turbine, or a component used in the hot gas path thereof.
- the method comprises the additive production of webs of a first material, for example by means of cladding, on a base body, wherein the webs are constructed at a mounting angle on the base body.
- the mounting angle preferably designates an angle which is measured relative to a surface of the base body.
- said angle refers to that angle which includes a main extension direction of said webs with the surface of the main body or a corresponding surface vector.
- the installation angle is preferably more than 0 and less than 90 °, particularly preferably between 30 ° and 60 °, in particular 45 °.
- the additive production is preferably carried out by laser cladding. Due to the angled or angled orientation or the material application for the webs, a space is preferably formed between the surface of the basic structure and the webs, which can be used to guide a cooling fluid during operation of the component, in particular for cooling.
- the method further comprises the deposition of a second material on the webs, such that a defined by the webs, in particular geometric shadow area between the webs and the main body or its surface remains respectively free of the second material.
- the shadow area is preferably a deposition shadow.
- the method further comprises a heat treatment of the structure defined by the coated webs, so that the channel structure is formed on the base body.
- the heat treatment achieves effective bonding of the first material to the second material (or vice versa).
- the second material is a different material from the first material.
- the second material is a material for a thermal insulation or heat-protection layer for the component.
- the second material is the same material as the first material.
- the first material can furthermore be the same material from which the main body has already been produced.
- the second material By depositing the second material on the webs, it is advantageously possible to generate a continuous or continuous channel structure on the base body.
- the shadow areas mentioned form the corresponding cavities for the channel structure, in particular the cooling structure. This allows a cooling medium during operation the component, under particularly high thermal stress of, for example, 1500 ° C or more to lead through the body or a component having this, in order to effectively cool this with a cooling medium.
- the component in particular during operation, can be cooled so efficiently that the component can be exposed to even higher than usual, known from the prior art, conventional temperatures.
- the channel structure obtained by the present invention by means of a grid-like or hollow structure, the compensation of thermal, mechanical or thermo-mechanical stresses that may occur during operation of the component or component.
- the base body is a prefabricated component and / or a semi-finished product for the turbomachine, in particular gas turbine.
- the main body may be a vane core of a turbine blade or a coated base body of the turbine blade.
- the heat treatment is carried out at temperatures between 800 ° C and 1050 ° C.
- the heat treatment may include or form a high-temperature soldering process.
- a stable connection or connection between the first and the second material is achieved by the heat treatment.
- the first material is a high-temperature solder and / or an active solder.
- the first material comprises a metallic material, in particular a superalloy, such as a precipitation-hardened nickel- or cobalt-based superalloy.
- the first material is preferably identical to the material of the main body. This is necessary on the one hand to contaminate the
- the second material is a material for a thermal insulation or heat protection layer for the main body.
- the second material is or comprises a ceramic material.
- the second material may furthermore be a composite material, for example a ceramic fiber composite material.
- the second material is a material for an oxidation protection layer for the main body.
- the second material is deposited by thermal spraying. According to this embodiment, the second material can be appropriately compact and dense and provided with a sufficient structural quality.
- the first material is produced or built up by laser buildup welding, in particular laser powder buildup welding. This embodiment offers the
- the construction angle is a first angle and is between 30 ° and 60 0 relative to a surface of the base body. According to this embodiment can with advantage On the one hand, a high mechanical stability of the channel structure is made possible and at the same time the highest possible volume flow of cooling fluid can be achieved during the cooling of the component during operation.
- the second material is deposited at a second angle.
- the second angle is preferably an angle other than the first angle, for example, an angle relative to a surface normal of the surface of the base structure - opposing or mirrored.
- This embodiment advantageously permits a suitable and / or stable geometry of the channel structure for a cooling effect, without the second material being deposited, for example, in the abovementioned shadow areas.
- the second angle is between 90 ° and 150 ° relative to the surface of the base body.
- further webs are deposited on the already coated webs in order to form the channel structure. According to this embodiment, a multi-layered channel structure can advantageously be formed.
- the further webs are constructed additively, for example under a further mounting angle, which is mirrored relative to the mounting angle of the already coated webs.
- the channel structure can be provided with a multiplicity of channel structure layers and accordingly an efficient cooling for the component or at the surface of the basic structure can be achieved.
- the additive production and the deposition before the heat treatment are repeated in the context of the described method for producing a multiplicity of channel structure layers. Due to the complex design tion of the channel structure, in particular, the cooling efficiency for the component can be advantageously improved.
- the surface of the base body at least largely flat.
- the method is a method for the additive production of a component comprising the channel structure.
- Another aspect of the present application relates to a component or a component as described above, which is produced or producible by means of the described method.
- the channel structure is designed for cooling the component during operation, with a geometry of the channel structure being adapted to the surface of the base body in accordance with an expected or measured temperature load.
- the webs are produced and / or arranged side by side in such a way that a surface of the basic structure, on which the webs are produced, is or remains free of the second material.
- the component is a component used in the hot gas path of a gas turbine.
- the channel structure has a plurality of channel structure layers which are arranged one above the other (in layers).
- the component is a turbine blade or a corresponding blade core, wherein the channel structure is a cooling structure for cooling the component.
- the channel structure is a cooling structure for cooling the component.
- FIG. 1 shows a schematic perspective view of a component 10.
- FIG. 2 indicates a method step of a method according to the invention on the basis of a schematic sectional view.
- FIG. 3 indicates, analogously to the illustration of FIG. 2
- FIG. 4 indicates a further method step of the method according to the invention.
- FIG. 5 indicates, in a schematic flow diagram, method steps of the described method.
- identical or identically acting elements can each be provided with the same reference numerals.
- the illustrated elements and their proportions with each other are basically not to be regarded as true to scale, but individual elements, for better representation and / or better understanding exaggerated be shown thick or large.
- Figure 1 shows a schematic perspective view of a component 10.
- the component may be a component for a turbomachine.
- the component 10 is shown by way of example as a turbine blade or segment of a turbine blade.
- the component 10 accordingly has a Shovel 11 on.
- the blade root 11 the component can be conveniently mounted for operation in a turbomachine.
- Conventional turbine blades usually have a thermal insulation or heat protection layer (not explicitly indicated in FIG. 1) and / or an oxidation protection layer.
- Ceramic materials and / or composite materials are used as materials for thermal insulation and / or oxidation protection - layer.
- FIGS. 2 to 4 in simplified form indicate method steps of a method according to the invention for producing a channel structure or hollow structure (compare reference numerals 100 and 200 in FIGS. 3 and 4).
- the channel structure 200 comprises a plurality of cooling channels (see reference numeral 4) for cooling the component 10.
- the said cooling channels may for example be arranged side by side and / or one above the other and preferably run parallel to a surface of a base body.
- FIG. 5 shows the essential method steps according to the invention on the basis of a schematic flow chart.
- FIG. 2 shows a main body 1.
- the main body preferably designates a semifinished product, or a main body for the component, in particular a main body for the turbine blade.
- This may be a prefabricated part for the turbine blade, for example an uncoated blade core (compare a) in FIG. 5).
- the base body 1 has a surface 5.
- the surface 5 is preferably at least substantially flat. In the present case, this usually applies both to a suction side and to a pressure side of a turbine blade.
- the main body 1 according to the present invention fahrens preferably provided with webs 2, for example by means of an additive manufacturing process.
- webs 2 or similar filigree structures are built up additively on the surface 5, preferably by means of build-up welding, in particular laser deposition welding.
- the material of said webs may be designated 2 with a first material. This first material is preferably identical or similar to the material of the base body 1.
- the base body 1 is preferably made of a hardened nickel- or cobalt-based superalloy according to its operating requirements.
- the material of the webs 2 are preferably metallic webs, so that a material bond between the
- the first material 2 may be a high temperature solder and / or an active solder.
- the first material is selected such that contamination of the material of the main body 1 is prevented or restricted.
- the webs 2 are constructed and / or deposited according to the invention at a superstructure angle on the surface 5.
- the superstructure angle denotes an angle relative to the surface or to a surface normal ON of the surface 5 of the main body 1.
- the superstructure angle is, in particular, greater than 0 ° and less than 90 ° relative to the surface 5. This ensures that the webs 2 define a space or shadow area 4 between the basic structure 1 and just the webs 2, which is designed to guide a fluid, in particular a cooling fluid and can be used according to the cooling of the component or the component 10 or its basic structure 1.
- the angle may be, for example, between 30 ° and 60 °, more preferably 45 °.
- a coating tool more preferably a welding tool 15 is used, in particular a production head for laser cladding and / or a powder nozzle for a material application.
- the welding tool is preferably used for the coating relative to the surface 5 or the main body 1 constantly performed at the same angle.
- a thickness of the webs is preferably dimensioned such that the webs 2 dimensionally stable and resilient to the basic structure 1 (cohesive) can be connected.
- a main extension direction of the webs is aligned relative to the surface 5, in particular under the assembly angle (cf. FIG. 3).
- all webs are constructed at the same angle on the base body 1.
- the webs are constructed side by side in such a way that the projection of the webs 2 on the surface 5 preferably covers the entire surface 5.
- shadow areas are called, which are defined in each case by a web 2 between this web and the basic structure 1.
- the dimension of the webs along their main extension direction can amount to a few millimeters or can be adjusted according to the desired cooling effect and taking into account a corresponding volume flow of the cooling fluid.
- FIG. 3 shows a further method step of the method according to the invention, wherein a second material is deposited on the webs 2, preferably by means of a thermal spraying method (compare b) in FIG. 5).
- the second material can be produced, for example, by means of a plasma spraying process and / or by means of electron beam radiation. sated physical vapor deposition are deposited.
- the second material may be a ceramic material or a ceramic fiber composite material.
- the second material is the material selected for the thermal insulation or protective layer or the oxidation protection layer.
- a processing or deposition device is indicated in Figure 3 by the reference numeral 20.
- the second material is deposited on the webs via the aforementioned machining tool 20, specifically at a second angle ⁇ .
- the second angle .beta. Can be different from the setup angle or else likewise 30 to 60.degree. Relative to one another
- the second angle ⁇ is preferably between 120 ° and 150 °.
- the second angle ⁇ can also amount to 90 ° surface 5 or correspondingly 0 ° (parallel) to a surface normal ON of the surface 5.
- a shadow area 4 would also arise below the webs, which can be used to cool the component.
- Base body 1 deposited.
- second material 3 on the surface 5 may also be provided, for example at areas which do not necessarily have to be cooled during operation of the component 10.
- a first channel structure layer 100 has been created or at least its structure has been built up.
- FIG. 4 shows a further method step according to the invention.
- a further channel structure layer 100 is preferably deposited in an analogous or similar manner.
- the further webs 2 for the further channel structure layer 100 are preferably built up additively at the angle a 'relative to the surfaces 5 of the main body 1.
- the additional mounting angle a ' preferably corresponds at least in terms of the mounting angle.
- the angle a ' may be different from the angle.
- the further setup angle a ' would also be correspondingly between 30 ° and 60 °, for example.
- the mounting angles are each measured such that they are the main extension direction of the respective webs relative to a next surface vector of surface 5.
- FIG. 4 particularly shows two cooling channels or channel structure layers 100 arranged one above the other, which form the channel structure 200 according to the invention. It is provided in the context of the present invention that any number of these double layers - depending on the desired cooling effect - can be stacked, depending on how it is useful for cooling the component.
- channel structure layers 100 or the double layers shown in FIG. 4 are preferably provided.
- channel structure 200 can be varied as desired.
- individual regions may be filled continuously with the first and / or second material, so that individual regions are free of cavities or channels. This may be particularly useful to increase the stability at individual points of the channel structure.
- openings may be provided both parallel to the surface 5 and along a corresponding normal direction (compare ON), for example, from a channel structure layer 100 to the overlying channel structure layer 100 to individually design a flow of a cooling fluid for the component.
- a labyrinth-like cooling or channel system can be formed by the means presented on any desired body of turbine parts charged with hot gases.
- the present method further comprises a heat treatment of the structure correspondingly defined or formed by the coated webs 2 and the base body 1.
- the heat treatment is preferably performed such that the channel structure 200 is not only constructed but finished prepared and appropriately connected to the surface 5 of the base body 1.
- Said heat treatment (see c) in Figure 5) is preferably carried out at temperatures between 800 ° C and 1050 ° C.
- the heat treatment may be a heat treatment suitable for high temperature soldering.
- the bonding of the webs 2 (active solder) to the second material used for the thermal barrier coating is achieved and / or improved by the heat treatment or the described high-temperature soldering process.
- the second material may designate an MCrAlY layer or a corresponding alloy as oxidation protection for the component.
- the NT stands for one of the elements cobalt or nickel.
- Alloys are widely used as coating materials to protect the blades of turbine blades, especially those of the first and second stages and other parts exposed to hot gas, from oxidation and / or corrosion.
- MCrAlY layers can be used as adhesion promoters for joining a thermal barrier coating, for example to a main body of a turbine blade.
- the invention is not limited by the description based on the embodiments of these, but includes each new feature and any combination of features. This includes in particular any combination of features in the patent claims, even if this feature or combination itself is not explicitly stated in the patent claims or exemplary embodiments.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016214208.9A DE102016214208B4 (en) | 2016-08-02 | 2016-08-02 | Method of making a channel structure and component |
PCT/EP2017/069496 WO2018024759A1 (en) | 2016-08-02 | 2017-08-02 | Method for producing a channel structure and component |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3493931A1 true EP3493931A1 (en) | 2019-06-12 |
Family
ID=59677198
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17754641.3A Withdrawn EP3493931A1 (en) | 2016-08-02 | 2017-08-02 | Method for producing a channel structure and component |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP3493931A1 (en) |
DE (1) | DE102016214208B4 (en) |
WO (1) | WO2018024759A1 (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018205608A1 (en) * | 2018-04-13 | 2019-10-17 | MTU Aero Engines AG | Method for producing or repairing a housing segment or housing of a turbomachine and housing segment and housing |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3651490B2 (en) * | 1993-12-28 | 2005-05-25 | 株式会社東芝 | Turbine cooling blade |
EP0992653A1 (en) * | 1998-10-08 | 2000-04-12 | Abb Research Ltd. | Film-cooled components with triangular cross section cooling holes |
US6617003B1 (en) * | 2000-11-06 | 2003-09-09 | General Electric Company | Directly cooled thermal barrier coating system |
EP1533113A1 (en) * | 2003-11-14 | 2005-05-25 | Siemens Aktiengesellschaft | High temperature layered system for heat dissipation and method for making it |
FI20055457A0 (en) * | 2005-08-30 | 2005-08-30 | Valtion Teknillinen | A method of spray-forming cooling channels by means of a shading mechanism |
EP2224039A1 (en) | 2009-01-28 | 2010-09-01 | Siemens Aktiengesellschaft | Coating with thermal and non-thermal coating method |
EP2756909A1 (en) | 2013-01-21 | 2014-07-23 | Siemens Aktiengesellschaft | Build-up welding of long, curved walls |
US20150086408A1 (en) * | 2013-09-26 | 2015-03-26 | General Electric Company | Method of manufacturing a component and thermal management process |
RU2016137904A (en) * | 2014-02-25 | 2018-03-29 | Сименс Акциенгезелльшафт | THERMAL BARRIER COATING OF A TURBINE COMPONENT WITH INSULATING CRACKS BY TECHNICAL ELEMENTS IN THE FORM OF grooves |
-
2016
- 2016-08-02 DE DE102016214208.9A patent/DE102016214208B4/en not_active Expired - Fee Related
-
2017
- 2017-08-02 WO PCT/EP2017/069496 patent/WO2018024759A1/en unknown
- 2017-08-02 EP EP17754641.3A patent/EP3493931A1/en not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
DE102016214208A1 (en) | 2018-02-08 |
WO2018024759A1 (en) | 2018-02-08 |
DE102016214208B4 (en) | 2018-03-29 |
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