EP2665570A1 - Generatively produced turbine blade and device and method for producing same - Google Patents
Generatively produced turbine blade and device and method for producing sameInfo
- Publication number
- EP2665570A1 EP2665570A1 EP12704657.1A EP12704657A EP2665570A1 EP 2665570 A1 EP2665570 A1 EP 2665570A1 EP 12704657 A EP12704657 A EP 12704657A EP 2665570 A1 EP2665570 A1 EP 2665570A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- powder
- housing
- gas turbine
- turbine blade
- gas
- 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- Withdrawn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
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- 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
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- 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
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- 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
- F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades
-
- 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
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
-
- 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
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/30—Process control
- B22F10/32—Process control of the atmosphere, e.g. composition or pressure in a building chamber
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/38—Housings, e.g. machine housings
-
- 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
- B22F12/00—Apparatus or devices specially adapted for additive manufacturing; Auxiliary means for additive manufacturing; Combinations of additive manufacturing apparatus or devices with other processing apparatus or devices
- B22F12/40—Radiation means
- B22F12/44—Radiation means characterised by the configuration of the radiation means
- B22F12/45—Two or more
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/02—Making metallic powder or suspensions thereof using physical processes
- B22F9/04—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling
- B22F2009/041—Making metallic powder or suspensions thereof using physical processes starting from solid material, e.g. by crushing, grinding or milling by mechanical alloying, e.g. blending, milling
-
- 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
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- 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
- F05D2220/00—Application
- F05D2220/30—Application in turbines
- F05D2220/32—Application in turbines in gas turbines
- F05D2220/321—Application in turbines in gas turbines for a special turbine stage
- F05D2220/3215—Application in turbines in gas turbines for a special turbine stage the last stage of the turbine
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/22—Manufacture essentially without removing material by sintering
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/233—Electron beam welding
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
- F05D2230/232—Manufacture essentially without removing material by permanently joining parts together by welding
- F05D2230/234—Laser welding
-
- 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
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
- F05D2300/133—Titanium
-
- 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
- F05D2300/00—Materials; Properties thereof
- F05D2300/10—Metals, alloys or intermetallic compounds
- F05D2300/17—Alloys
- F05D2300/173—Aluminium alloys, e.g. AlCuMgPb
-
- 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 process for the production of gas turbine components, in particular air turbine components, preferably low-pressure turbine blades made of a powder, which is selectively sintered in layers by localized introduction of radiant energy. Moreover, the invention relates to an apparatus for producing gas turbine components, in particular according to a corresponding method, and a gas turbine blade produced therewith, in particular low-pressure turbine blades made of a TiAl material.
- the present invention is based on the idea that an advantageous production of gas turbine components, in particular turbine components, such as preferably low-pressure turbine blades made of very reactive materials, such as titanium aluminides, can be done in a generative manufacturing process, if it can be ensured that the starting powder used in generative manufacturing process has a corresponding purity.
- this is achieved in that the powder manufacturing process directly to the generative manufacturing process, ie a selective laser or electron beam sintered upstream, it being ensured that the produced starting powder is exposed between the powder production and the generative production of the component no unfavorable ambient atmosphere containing, for example, 5 oxygen. This avoids that the powder used, so for example, the very reactive Titanaluminide, can react with oxygen from the ambient atmosphere.
- the powder particles do not form oxide layers, such as thin alumina or titanium oxide layers in the case of TiAl, which would then lead to the introduction of oxygen into the device during sintering of the powder. Accordingly, it is provided that the powder production and the additive component manufacturing process be carried out in a defined atmosphere. This can be achieved if both
- Sub-steps namely powder production and generative manufacturing process in a single, gas-tight lockable housing or in two gas-tight interconnected housings are performed so that the powder produced in the first step does not have to leave the defined atmosphere before the production of the 15 component. This makes it possible to do that
- the selective laser beam sintering or electron beam sintering can be used as a generative production method.
- the electron beam can sinter sintered in a vacuum
- the powder preparation can be carried out in an inert gas atmosphere to a cooling medium for the inert gas through the
- a wide variety of powders in particular different metallic powders can be used, wherein the powder particles can be formed from pure metal or from alloys.
- the powder may be formed, for example, from titanium aluminide alloys or components for producing titanium aluminide alloys, that is, for example, titanium powder, aluminum powder or powder of alloying ingredients such as niobium or the like.
- several devices for powder production can be provided to produce different powders. These powder manufacturing devices may be provided in several separate rooms or housings or in a housing with or without corresponding partitions. Only with respect to the ambient atmosphere completed transport to the place of generative component production must be guaranteed.
- the powder can be mechanically alloyed, so it can be processed accordingly with appropriate additional powders.
- a certain particle size distribution can be set for the powder particles,
- the inventive method also makes it possible that differently alloyed powder and / or with respect to the powder size differently adjusted powder in the
- generating components is provided in different areas » so that a component can result in a material gradient.
- the powder can be prepared in different ways by known methods.
- atomization of a molten material for example by rotary dusting
- various devices for powder production and generative production of components may be provided in a housing or in gas-tight connected housings or rooms. These devices include devices for powder production by means of atomizing, for example rotary atomizers, corresponding devices for processing the powders, such as sieves and the like, apparatus for mechanical alloying, ie mixers and the like, as well as devices for supplying additional powder externally or means for storing Powder in the gas-tight sealed device.
- atomizing for example rotary atomizers
- corresponding devices for processing the powders such as sieves and the like
- apparatus for mechanical alloying ie mixers and the like
- Device in addition to the beam generating device and devices for guiding the beam via a powder layer aids for transporting and handling of the powder as well as means for gas supply and for evacuating the device.
- gas turbine blades in particular low-pressure turbine blades
- TiAl materials which can be designed as hollow blades with an inner support structure.
- these components which can only be produced by generative methods in a complicated cavity structure, can be produced from the material TiAl or TiAl alloys which is difficult to handle since fine-grained powders can be used and the generation of impurities, in particular the introduction of oxides, is prevented becomes. Accordingly, they are distinguished
- Gas turbine blades produced according to the invention by fine-grained microstructure with low impurities, in particular low oxygen content.
- the gas turbine blades may have locally different alloy compositions and / or have grain size distributions.
- corresponding components are distinguished by the avoidance of segregation, as can be observed in cast components.
- Fig. 1 is an illustration of a device for the generative production of
- Air turbine blades according to the invention and in -
- Fig. 2 is a perspective view of an inventively prepared
- the device 1 shows a purely schematic representation of a device 1, which can be used for the production of turbine blades by the method according to the invention.
- the device 1 has a housing 2, which encloses two chambers or chambers 3 and 4, which are partitioned off by an unspecified partition with a passage opening 15 in the housing 2. In the one space 4 powder production takes place while in the other room 3, the sintering of the component 27 takes place.
- the rooms 3 and 4 each have a vacuum pump 5 and 6, so that the rooms 3 and 4 can be pumped separately from each other. Alternatively, however, it can be provided to provide only a single pump for pumping off the entire interior of the housing 2.
- gas supply lines 7, 8, 9 are provided, which in turn allow the separate flooding of the rooms 3 and 4 with gas. Again, only a single gas supply for flooding the entire interior of the housing 2 may be provided. The flooding with gas can only serve to clean the room or the setting of an inert gas atmosphere.
- a melt supply 10 or, alternatively, a device for melting a metal or alloy (not shown) which comprises a nozzle device from which the melt is produced. Powder can escape.
- known methods can be used, such as rotational atomization of the melt to produce fine-grained powder.
- the powder thus produced can be collected on a table 11, whereby a pushing device 13 can laterally push off the powder and transport it in the direction of the space 3.
- a pushing device 13 can laterally push off the powder and transport it in the direction of the space 3.
- located on the table 11 powder with the Slider 13 along the table 11 and the connecting plate 22 are moved through the opening 15 in the direction of the powder container 25 in the space 3 to there in the
- Powder container or on the powder container as Pul publishers to be stored are examples of the powder container or on the powder container as Pul publishers to be stored.
- Powder container 25 has a double bottom 26 which is adjustable in height according to the double arrow, so that at the beginning of the process, the double bottom 26 at the level of
- Connection plate 22 is moved to receive a first Pul publishers.
- This first powder layer is formed by an electron or laser beam 24 passing through the
- Beam generating device 23 is generated locally selectively sintered according to the contour to be produced, wherein the electron beam or laser beam is moved over the powder layer on the double bottom 26. Where the electron or laser beam hits the powder and melts or melts it, the powder is locally sintered together, so that a component 27 is produced. Thereafter, the double bottom 26 is lowered by a certain height to allow the slider 13 to apply a new powder layer. This powder layer is then correspondingly sintered again by the beam bundles 24 of the laser or electron radiation and the process is continued until the component 27 to be produced is ready. The component 27 is then in a powder bed 28, which in the powder container 25th
- the finished component 27 can be removed and removed through an opening 29 from the housing 2.
- an opening 21 can be opened in the connecting plate 22 or the table 11, so that the powder 12 enters a funnel 16 with a sieve 17 through which, however, only the powder having the determined powder size passes can.
- the powder is then collected in a powder container 18 with a double bottom 19, which can then be raised in the region of an opening 30 of the connecting plate 22 so that the powder contained in the powder container 18 by means of the double bottom 19 in the plane of the table 11 and .
- the connecting plate 22 can be raised and there to be moved by the slider 13 in the direction of the Pul e-container 25.
- a hydraulic lifting device 20 is provided, which can move the powder container 18 upwards, as indicated by the double arrow.
- a feed hopper 14 with a lock through which additional powder externally generated can be introduced into the apparatus.
- a gas supply 8 may be connected to For example, introduce inert gas in the lock area.
- a corresponding vacuum pump (not shown) may be provided in the region of the lock of the input hopper 14.
- powder storage it is also possible, for example in the space 4 of the housing 2 to provide powder storage, are stored in the different powders to then mechanically alloy them in a powder mixing device, not shown, in order to produce desired compositions of the powder can.
- powder mixing device not shown
- other devices for powder production and corresponding spaces can be provided.
- both powders of different chemical composition and also powders with different grain sizes can be mixed or alloyed.
- the presented device 1 it is possible with the presented device 1 not only to directly process melts of alloys into powders and to use them in the generative production process, but it is also possible to mechanically alloy powders having different particle sizes and / or particle size distributions and chemical
- compositions in the device 1. it is thereby possible to provide different powders per layer, and thus to adjust gradients with regard to the composition and / or the grain size in the component 27 to be produced.
- the gas feeds 7, 8, 9 and the pumps 5, 6 it is possible to set defined atmospheric conditions in the chambers 3 and 4 of the housing 2, wherein different atmospheres in the chambers 3 and 4 can also be set.
- atmospheres with defined gas compositions, for example inert gas atmospheres.
- the housing 2 it is possible in the housing 2 to set a substantially oxygen-free atmosphere in the technical framework, so that no Contamination of the component 27 takes place with unwanted oxygen levels. But other gases, such as nitrogen, which could lead to the formation of nitrides, can be excluded accordingly, for example when working under vacuum or inert gas atmospheres.
- Contaminants are contained in the manufactured component. At the same time can through
- multi-beam devices ie beam generation devices such as laser or electron beam devices that can generate multiple beams or high
- the apparatus and the corresponding method for producing gas turbine blades from titanium aluminide materials or alloys thereof can be used.
- FIG. 2 shows an example of a low-pressure turbine blade for an aircraft turbine made of a titanium aluminide material, wherein the blade 50 has a blade root 55 and a hollow blade
- Airfoil 51 has.
- the cavity 52 of the airfoil 51 is interrupted by stiffeners 53 and 54, which are shown in dashed lines.
- the stiffeners divide the cavity 52 into partial cavities 56, 57 and 58.
- the blade airfoil 51 can have different compositions with respect to the chemical composition and / or the particle size distribution.
- the change in the composition can be carried out continuously or stepwise, so that sets a stepless or stepped gradient.
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Architecture (AREA)
- Powder Metallurgy (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011008809A DE102011008809A1 (en) | 2011-01-19 | 2011-01-19 | Generatively produced turbine blade and apparatus and method for their production |
PCT/DE2012/000019 WO2012097794A1 (en) | 2011-01-19 | 2012-01-11 | Generatively produced turbine blade and device and method for producing same |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2665570A1 true EP2665570A1 (en) | 2013-11-27 |
Family
ID=45688360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12704657.1A Withdrawn EP2665570A1 (en) | 2011-01-19 | 2012-01-11 | Generatively produced turbine blade and device and method for producing same |
Country Status (4)
Country | Link |
---|---|
US (1) | US20130287590A1 (en) |
EP (1) | EP2665570A1 (en) |
DE (1) | DE102011008809A1 (en) |
WO (1) | WO2012097794A1 (en) |
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US10710161B2 (en) * | 2013-03-11 | 2020-07-14 | Raytheon Technologies Corporation | Turbine disk fabrication with in situ material property variation |
US10179377B2 (en) | 2013-03-15 | 2019-01-15 | United Technologies Corporation | Process for manufacturing a gamma titanium aluminide turbine component |
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DE102013214908A1 (en) * | 2013-07-30 | 2015-02-05 | Siemens Aktiengesellschaft | A graded metal layer device, method for making the graded metal layer device, and use of the graded metal layer device |
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WO2017081813A1 (en) * | 2015-11-13 | 2017-05-18 | 技術研究組合次世代3D積層造形技術総合開発機構 | Three-dimensional lamination shaping apparatus, method for controlling three-dimensional lamination shaping apparatus, and program for controlling three-dimensional lamination shaping apparatus |
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US11168566B2 (en) | 2016-12-05 | 2021-11-09 | MTU Aero Engines AG | Turbine blade comprising a cavity with wall surface discontinuities and process for the production thereof |
DE102017130126A1 (en) | 2017-12-15 | 2019-06-19 | Deutsches Zentrum für Luft- und Raumfahrt e.V. | Gyroscope carrier structure, inertial spacecraft measurement unit and spacecraft |
DE102018202723A1 (en) * | 2018-02-22 | 2019-08-22 | MTU Aero Engines AG | METHOD FOR PRODUCING A COMPONENT FROM A GRADIENT TIAL ALLOY AND COMPONENT PRODUCED ACCORDINGLY |
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US20130287590A1 (en) | 2013-10-31 |
DE102011008809A1 (en) | 2012-07-19 |
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