WO2015135680A1 - Frittage flash avec résistance mécanique améliorée de la zone de jonction - Google Patents

Frittage flash avec résistance mécanique améliorée de la zone de jonction Download PDF

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Publication number
WO2015135680A1
WO2015135680A1 PCT/EP2015/051659 EP2015051659W WO2015135680A1 WO 2015135680 A1 WO2015135680 A1 WO 2015135680A1 EP 2015051659 W EP2015051659 W EP 2015051659W WO 2015135680 A1 WO2015135680 A1 WO 2015135680A1
Authority
WO
WIPO (PCT)
Prior art keywords
component
laser
plasma sintering
spark plasma
joining surface
Prior art date
Application number
PCT/EP2015/051659
Other languages
German (de)
English (en)
Inventor
Bernd Burbaum
Michael Ott
Original Assignee
Siemens Aktiengesellschaft
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Publication of WO2015135680A1 publication Critical patent/WO2015135680A1/fr

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Classifications

    • 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • 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
    • 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
    • B23K26/0006—Working by laser beam, e.g. welding, cutting or boring 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
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/354—Working by laser beam, e.g. welding, cutting or boring for surface treatment by melting
    • 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
    • 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
    • F01D9/00—Stators
    • F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
    • F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
    • F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using 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
    • B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
    • B22F3/10—Sintering only
    • B22F3/105—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding
    • B22F2003/1051—Sintering only by using electric current other than for infrared radiant energy, laser radiation or plasma ; by ultrasonic bonding by electric discharge
    • 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
    • B23K2103/18—Dissimilar materials
    • B23K2103/26—Alloys of Nickel and Cobalt and Chromium
    • 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
    • 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
    • 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
    • F05D2230/00—Manufacture
    • F05D2230/40—Heat treatment
    • 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
    • F05D2240/00—Components
    • F05D2240/10—Stators
    • F05D2240/12—Fluid guiding means, e.g. vanes
    • 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
    • F05D2240/00—Components
    • F05D2240/20—Rotors
    • F05D2240/30—Characteristics of rotor blades, i.e. of any element transforming dynamic fluid energy to or from rotational energy and being attached to a rotor
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/605—Crystalline
    • 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
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/606—Directionally-solidified crystalline structures

Definitions

  • the invention relates to a joining method and a gas turbine component produced by the joining method.
  • Sintering method with which a component made of a powdery starting material can be finished.
  • this starting material is placed in a mold, placed under high pressure and a continuous or pulsed current
  • the spark plasma sintering method (omitting a form) can also be used for joining macroscopic components.
  • the aim is to achieve the strongest possible connection of the components joined in this way.
  • the invention therefore sets itself the task of specifying an improved joining method for joining two components.
  • the invention therefore introduces a method for connecting a first component to a second component.
  • the method has at least the following steps:
  • the laser remelting is a method in which the surface-surface of a workpiece with a laser irradiated and melted on ⁇ .
  • the laser is moved over the surface, so that the surface is melted successively.
  • the laser working point leaves a respective point, it solidifies again, wherein the solidifying melt pool has properties deviating from the unprocessed parts of the workpiece.
  • an additional step of laser remelting of the joining surface of the second component is carried out prior to placement.
  • the area around the joining surface of the second component as described above is advantageous bear ⁇ beitet before the spark plasma sintering method is used to join the two components.
  • Crystal orientation of the first component is particularly preferred by the laser remelting aligned with a crystal of ⁇ direction of the second component, so that after the step of placing the first and second components have Wenig ⁇ least approximately the same crystal orientations.
  • the fact observed during test procedures by the inventors is exploited that an epitaxial growth can be observed in the region of the joining zone, ie a crystal orientation of one of the components in the joining zone and the joining partner is adopted.
  • a large-area disturbance of the internal structure of the component joined in this way along the joining surfaces can be avoided.
  • the undisturbed continuation of the crystal alignments on both sides of the joining zone causes a particularly strong connection of the two output components.
  • the crystals grow in the direction of the largest temperature gradient, usually from the surface heated by the laser, to the interior of the workpiece.
  • the method according to the invention is particularly suitable for components made of difficult-to-weld metals (for example
  • At least one of the first and second members preferably includes a nickel-base superalloy or is made of the nickel-base superalloy.
  • a dendritic crystal structure can be generated.
  • the dendrites are usually arranged perpendicular or approximately perpendicular to the laser-melted joining surface.
  • the joining surface is preferably laser remelted to a depth of at least 50 micrometers in order to allow a sufficiently wide joining zone.
  • the depth amounts to be ⁇ vorzugt less than one millimeter, since a greater remelt depth is difficult to achieve and would bring no further advantages that would justify the increased processing time.
  • the first component can be applied at a pressure of 1 to 40 megapascals during the Spark Plasma Sintering process second component to be pressed. Also, the first and the second component during the spark plasma sintering procedural ⁇ proceedings to a temperature of 1000 to 1200 degrees Celsius can he get too hot ⁇ . Suitable heating and cooling rates may be in the range of 20 to 200 Kelvin per minute. During the spark plasma sintering process, a GE ⁇ Pulster or a continuous stream through the first and the second component can be guided.
  • a second aspect of the invention relates to a gas turbine component made according to the method of the invention.
  • An example of such a gas turbine component is a gas turbine blade .
  • the procedural ⁇ ren invention can be nenkomponenten for the production of other machines and use workpieces however.
  • FIGURE shows a cross-section through a workpiece 1, which consists of a nickel-base superalloy and whose upper surface 2 lying in the image above and extending into the depth of the image has been remelted by a laser remelting process.
  • the laser-remelted zone 3 is delimited by a curved dashed line from the unchanged part 4 of the workpiece.
  • the laser was directed from a direction of incidence ⁇ 5 on the surface 2 of the workpiece 1.
  • a laser power of, for example, 75 to 100 watts can be used when the laser is at a speed of 40 to 60 milli-seconds. meter per minute over the surface of the workpiece. This results in a melt pool depth of about 200 to 300 microns. In the present case, work was carried out over a width of a few millimeters.
  • parameters deviating from these specifications for laser remelting can be determined by the person skilled in the art.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Laser Beam Processing (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)

Abstract

L'invention concerne un procédé de liaison d'un premier composant (1) à un second composant. Le procédé comprend au moins les étapes consistant à : - refondre au laser une surface de jonction (2) du premier composant (1) ; - placer la surface de jonction (2) refondue du laser du premier composant (1) sur une surface de jonction du second organe de liaison ; et - relier le premier composant (1), placé sur le second composant, au second composant par un procédé de frittage flash. L'invention concerne en outre un composant de turbine à gaz qui a été fabriqué selon le procédé de l'invention.
PCT/EP2015/051659 2014-03-10 2015-01-28 Frittage flash avec résistance mécanique améliorée de la zone de jonction WO2015135680A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014204347.6 2014-03-10
DE102014204347.6A DE102014204347A1 (de) 2014-03-10 2014-03-10 Spark Plasma Sintering mit verbesserter Festigkeit der Fügezone

Publications (1)

Publication Number Publication Date
WO2015135680A1 true WO2015135680A1 (fr) 2015-09-17

Family

ID=52462906

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/051659 WO2015135680A1 (fr) 2014-03-10 2015-01-28 Frittage flash avec résistance mécanique améliorée de la zone de jonction

Country Status (2)

Country Link
DE (1) DE102014204347A1 (fr)
WO (1) WO2015135680A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111299583A (zh) * 2020-04-09 2020-06-19 暨南大学 一种激光增材制造梯度组织钛合金整体构件的方法

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3575016A1 (fr) * 2018-06-01 2019-12-04 Siemens Aktiengesellschaft Améliorations relatives à la fabrication de composants en superalliage
JP7120904B2 (ja) 2018-10-30 2022-08-17 浜松ホトニクス株式会社 レーザ加工装置及びレーザ加工方法
US11897056B2 (en) 2018-10-30 2024-02-13 Hamamatsu Photonics K.K. Laser processing device and laser processing method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384365B1 (en) * 2000-04-14 2002-05-07 Siemens Westinghouse Power Corporation Repair and fabrication of combustion turbine components by spark plasma sintering
EP1340583A1 (fr) * 2002-02-20 2003-09-03 ALSTOM (Switzerland) Ltd Procédé de refusion ou de soudage par rechargement utilisant le laser

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20120183802A1 (en) * 2011-01-13 2012-07-19 Bruck Gerald J Resistance weld additive manufacturing
DE102012107570B4 (de) * 2012-08-17 2017-08-03 Rogers Germany Gmbh Verfahren zur Herstellung von Hohlkörpern, insbesondere von Kühlern, Hohlkörper sowie Kühler enthaltende elektrische oder elektronische Baugruppen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6384365B1 (en) * 2000-04-14 2002-05-07 Siemens Westinghouse Power Corporation Repair and fabrication of combustion turbine components by spark plasma sintering
EP1340583A1 (fr) * 2002-02-20 2003-09-03 ALSTOM (Switzerland) Ltd Procédé de refusion ou de soudage par rechargement utilisant le laser

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111299583A (zh) * 2020-04-09 2020-06-19 暨南大学 一种激光增材制造梯度组织钛合金整体构件的方法

Also Published As

Publication number Publication date
DE102014204347A1 (de) 2015-09-10

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