EP2493650A2 - Procédé et dispositif permettant la fabrication d'un élément d'une turbomachine - Google Patents

Procédé et dispositif permettant la fabrication d'un élément d'une turbomachine

Info

Publication number
EP2493650A2
EP2493650A2 EP10798474A EP10798474A EP2493650A2 EP 2493650 A2 EP2493650 A2 EP 2493650A2 EP 10798474 A EP10798474 A EP 10798474A EP 10798474 A EP10798474 A EP 10798474A EP 2493650 A2 EP2493650 A2 EP 2493650A2
Authority
EP
European Patent Office
Prior art keywords
component
laser
layer
plasma
sintering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP10798474A
Other languages
German (de)
English (en)
Inventor
Erwin Bayer
Sven-J. Hiller
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
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 filed Critical MTU Aero Engines GmbH
Publication of EP2493650A2 publication Critical patent/EP2493650A2/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • 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
    • B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
    • B22F10/30—Process control
    • B22F10/36—Process control of energy beam parameters
    • B22F10/364—Process control of energy beam parameters for post-heating, e.g. remelting
    • 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
    • B22F10/50—Treatment of workpieces or articles during build-up, e.g. treatments applied to fused layers during build-up
    • 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
    • B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
    • B22F12/43—Radiation means characterised by the type, e.g. laser or electron beam pulsed; frequency modulated
    • 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
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20—Bonding
    • B23K26/32—Bonding taking account of the properties of the material involved
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34—Laser welding for purposes other than joining
    • B23K26/342—Build-up welding
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/356—Working by laser beam, e.g. welding, cutting or boring for surface treatment by shock processing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/005—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of a refractory metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001—Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/007—Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of copper or another noble metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/02—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape
    • B23K35/0222—Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by mechanical features, e.g. shape for use in soldering, brazing
    • B23K35/0244—Powders, particles or spheres; Preforms made therefrom
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B1/00—Producing shaped prefabricated articles from the material
    • B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B18/00—Layered products essentially comprising ceramics, e.g. refractory products
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/01—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics
    • C04B35/16—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxide ceramics based on silicates other than clay
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • 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
    • B22F10/36—Process control of energy beam parameters
    • 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
    • B22F12/41—Radiation means characterised by the type, e.g. laser or electron beam
    • 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
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00—Articles made by soldering, welding or cutting
    • B23K2101/001—Turbines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/08—Non-ferrous metals or alloys
    • B23K2103/14—Titanium or alloys thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/18—Dissimilar materials
    • B23K2103/26—Alloys of Nickel and Cobalt and Chromium
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B23K2103/52—Ceramics
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/60—Aspects relating to the preparation, properties or mechanical treatment of green bodies or pre-forms
    • C04B2235/602—Making the green bodies or pre-forms by moulding
    • C04B2235/6026—Computer aided shaping, e.g. rapid prototyping
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/665—Local sintering, e.g. laser sintering
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/341—Silica or silicates
    • 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 component of a turbomachine, in particular a component of a turbine or a compressor, by means of a generative manufacturing method for the layered construction of the component.
  • the invention further relates to an apparatus for producing a component of a turbomachine, in particular a component of a turbine or a compressor.
  • Methods and apparatus for making a component of a turbomachine are known in a wide variety.
  • generative manufacturing methods are known in which the component is built up in layers.
  • ⁇ 38 ⁇ ⁇ 1 ⁇ 6 ⁇ ⁇ ⁇ 88 ⁇ 6- ⁇ or electron beam deposition welding results in a very fine-grained component structure.
  • a disadvantage of this fine-grained component structure is the lack of forming work, which enables, for example, a precipitation hardening and thus a high strength comparable to a forging alloy.
  • the components are also processed by means of a hot isostatic pressing.
  • An inventive method for producing a component of a turbomachine comprises a generative manufacturing method for layered construction of the component, wherein after the production of one or more successive component layers at least partially a laser or plasma-induced pressurization of the surface of the last produced component layer takes place. Due to the layer-by-layer solidification of the component during the generative structure, the component as a whole solidifies.
  • the laser- or plasma-induced pressurization of the surface of the last-produced component layer leads in each case to permanent plastic deformation in the microstructure and to a transformation of the sclerotic structure into a forging structure with a very fine-grained microstructure. Overall, a reshaping of the melt structure of the component results in a Schmiedeslruktur with increased strength and a significant reduction in microporosity even in the construction phase of the generatively produced component.
  • the method comprises the following steps: a) layer-wise application of at least one pulverulent component material to a component platform, the order taking place in accordance with the layer information of the component to be produced; b) layer-by-layer and local fusion or sintering of the component material by means of at least one laser or electron beam for producing the component layer, wherein at least one laser or at least one electron beam device corresponding to the layer information of the component to be produced is applied via the applied component material layer is guided; c) at least partially laser- or plasma-induced pressurization of the surface of the component layer; d) layer-wise lowering of the component platform by a predefined layer thickness; and e) repeating steps a) to d) until completion of the component.
  • the method comprises the following steps: a) layer-wise application of at least one pulverulent component material to a component platform, the order taking place in accordance with the layer information of the component to be produced; b) layer-wise and local fusion or sintering of the component material by means of at least one laser or electron beam for producing the component layer, wherein at least one laser or at least one electron beam device is guided over the applied component material layer in accordance with the layer information of the component to be produced; c) layer-wise lowering of the component platform by a predefined layer thickness; d) repeating steps a) to c); e) at least partially laser- or plasma-induced pressurization of the surface of the device layer; and f) repeating steps a) to e) until completion of the component.
  • the solidification can be carried out either after each applied component layer or even after a plurality of component layers, for example only after every fifth or tenth component layer.
  • the number of solidification steps also results according to the required degree of deformation of the component and the power density of the pressurization source.
  • the additive manufacturing process can be a rapid prototyping or rapid manufacturing process, in particular sintering, micro-sintering, melting, build-up welding with a laser or electron beam.
  • the powdered component material usually consists of metal, a metal alloy, ceramic, silicate or a mixture thereof.
  • a C0 2 or Nd: YAG laser may be used. In particular, this laser can be pulsed.
  • the laser- or plasma-induced pressurization of the surface of the last-produced component layer by means of a plasma shock peening, in particular a laser shock peening by means of a laser beam source or a plasma pulse Peening means of a plasma pulse carried out.
  • a plasma shock peening in particular a laser shock peening by means of a laser beam source or a plasma pulse Peening means of a plasma pulse carried out.
  • a short pulse laser can advantageously be used.
  • the shape and the material structure of the component are determined as a computer-generated model and the layer information generated therefrom is used to control at least one powder feed, the component platform, the at least one laser or the at least one electron beam device.
  • This enables automated and computer-controlled production processes.
  • a device according to the invention for producing a component of a turbomachine comprises at least one powder feed for applying at least one powdered component material to a component platform, at least one radiation source for a layered and local fusion or merging of the component material and at least one Laser beam source or at least one plasma pulse source for generating a laser or plasma-induced pressure wave.
  • the device according to the invention enables the production of components with increased strength, since it combines the implementation of a generative manufacturing process, such as a rapid prototyping or rapid manufacturing process with the possibility of laser or plasma-induced pressurization.
  • the radiation source may be a laser or an electron beam device.
  • the laser is for example a C0 2 or Nd: YAG laser.
  • the laser beam source for generating the laser-induced pressurization may in particular be a short-pulse laser.
  • the Pulverzuchtung can on the one hand to an active Pulverzuchtung, which is either coaxial or arranged laterally to the radiation source for a layered and local fusing or sintering of the component material, or a powder bed, wherein the powdered component material in layers prior to fusing or sintering on the Powder bed is applied. Furthermore, it is possible that the process of solidification takes place parallel to the generative structure in the same plant.
  • the laser beam source or the laser for the solidification of the component or the component layers can also be used to clean the component surface, so that a Subsequent surface finish of the component can be dispensed with.
  • only the parameters of the laser, in particular the energy performance, must be adjusted.
  • the laser beam source or the plasma pulse source is adjusted so that not only the solidification step but also the fusing and sintering of the component material can be performed by the laser beam source or the plasma pulse source.
  • the figure shows a schematic representation of a device 26 for producing a component 10 of a turbomachine.
  • the component 10 is a blade of a high-pressure turbine.
  • the device 26 comprises a radiation source 14 for a layer-by-layer and local fusion or sintering of a component material 16.
  • the radiation source 14 is a pulsed Nd: YAG laser in the illustrated example.
  • the laser power is depending on the type of component, in particular paddle type, about 400 to 1000 W.
  • the average particle size of the pulverfbrmigen component material 16 used is about 10 to 100 ⁇ .
  • the component material 16 consists in particular of a titanium or nickel alloy.
  • the device 26 has a powder feed 28 for applying the pulverfbrmigen component material 16 and a component platform (not shown).
  • the powder feeder 28 is arranged coaxially with the radiation source 14, namely the laser.
  • the generated laser and powder beam 18 is fused or sintered into a component layer 12.
  • an applicator laser is used for this embodiment of the apparatus and method.
  • a sintering or melting laser is used as a radiation source 18, in which case the component 10 is generated in a powder bed of a powder container 24.
  • the device 26 also has a second radiation source, namely a laser beam source 20 for generating a laser-induced pressure wave.
  • the laser beam source 20 is a short-pulse laser which, by means of a laser-induced pressurization of a surface of the last-produced component layer 12, effects reshaping and solidification of the component layers during the generative structure. In this case, a laser beam 22 is guided along the surface of the last-produced component layer 12.
  • the shape and material structure of the component 10 are determined as a computer-generated model (CAD model) in a computer.
  • the layer information generated therefrom is input as corresponding data into a control computer (not shown) of the device 26. These data serve to control the powder feed 28, the component platform and the radiation source 14, namely the application laser.
  • the laser beam source 20 for generating a pressure wave on the surface of the last-produced component layer 12 can also be controlled by means of this information.
  • the named computer can also be used in particular as a control computer of the device 26.
  • the layered structure of the component 10 is carried out according to a generative manufacturing method as described above.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Plasma & Fusion (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • General Health & Medical Sciences (AREA)
  • Automation & Control Theory (AREA)
  • Health & Medical Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Powder Metallurgy (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne un procédé permettant la fabrication d'un élément (10) d'une turbomachine, notamment d'un élément d'une turbine ou d'un compresseur, le procédé consistant en un prototypage rapide pour construire l'élément (10) par couches et, après la fabrication d'une ou de plusieurs couches de l'élément successives, la surface de la dernière couche de l'élément (12) fabriquée étant soumise au moins partiellement à une pression induite par laser ou plasma. L'invention porte également sur un dispositif permettant la fabrication d'un élément (10) d'une turbomachine, notamment d'un élément d'une turbine ou d'un compresseur, le dispositif (26) comportant au moins un dispositif d'alimentation en poudre (28) pour l'application d'au moins un matériau d'élément (16) pulvérulent sur une plate-forme de l'élément, au moins une source de rayonnement (14) pour fondre ou fritter le matériau d'élément (16) localement et par couches, et au moins une source de rayonnement laser (20) ou au moins une source d'impulsions plasma.
EP10798474A 2009-10-31 2010-10-30 Procédé et dispositif permettant la fabrication d'un élément d'une turbomachine Withdrawn EP2493650A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102009051551A DE102009051551A1 (de) 2009-10-31 2009-10-31 Verfahren und Vorrichtung zur Herstellung eines Bauteils einer Strömungsmaschine
PCT/DE2010/001275 WO2011050790A2 (fr) 2009-10-31 2010-10-30 Procédé et dispositif permettant la fabrication d'un élément d'une turbomachine

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EP2493650A2 true EP2493650A2 (fr) 2012-09-05

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US (1) US20120217226A1 (fr)
EP (1) EP2493650A2 (fr)
DE (1) DE102009051551A1 (fr)
WO (1) WO2011050790A2 (fr)

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US20120217226A1 (en) 2012-08-30
WO2011050790A3 (fr) 2011-06-23
DE102009051551A1 (de) 2011-05-05
WO2011050790A2 (fr) 2011-05-05

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