EP3487658A1 - Mélange de matière, procédé de protection d'un élément, procédé de perçage au laser et élément - Google Patents

Mélange de matière, procédé de protection d'un élément, procédé de perçage au laser et élément

Info

Publication number
EP3487658A1
EP3487658A1 EP17761047.4A EP17761047A EP3487658A1 EP 3487658 A1 EP3487658 A1 EP 3487658A1 EP 17761047 A EP17761047 A EP 17761047A EP 3487658 A1 EP3487658 A1 EP 3487658A1
Authority
EP
European Patent Office
Prior art keywords
component
material mixture
cavity
laser drilling
protecting
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.)
Ceased
Application number
EP17761047.4A
Other languages
German (de)
English (en)
Inventor
Christopher Degel
Diana Felkel
Andrea Massa
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.)
Siemens Energy Global GmbH and Co KG
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Publication of EP3487658A1 publication Critical patent/EP3487658A1/fr
Ceased 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • 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
    • B23K26/18—Working by laser beam, e.g. welding, cutting or boring using absorbing layers on the workpiece, e.g. for marking or protecting purposes
    • 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
    • B23K26/36—Removing material
    • B23K26/38—Removing material by boring or cutting
    • B23K26/382—Removing material by boring or cutting by boring
    • B23K26/389—Removing material by boring or cutting by boring of fluid openings, e.g. nozzles, jets
    • 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
    • B23K26/36—Removing material
    • B23K26/40—Removing material 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
    • 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
    • B23K2103/18—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
    • F05D2230/10—Manufacture by removing material
    • F05D2230/13—Manufacture by removing material using lasers

Definitions

  • the invention relates to a method for laser drilling, a corresponding protective method and a component in which a filling material is introduced into the hollow component.
  • High-temperature components such as turbine blades
  • 1 shows schematically a laser drilling device with a
  • FIG. 2 shows a turbine blade
  • FIG. 3 is a list of superalloys. The figures and the description represent only embodiments of the invention.
  • FIG. 1 only as an exemplary hollow component 1, a detail of a turbine blade 120, 130 (FIG. 2) made of a nickel- or cobalt-based alloy, preferably according to FIG. 3, having a cavity 10 is shown.
  • a material mixture 13 is introduced into the cavity 10 at least in the region of the passage hole 19 to be produced.
  • the material mixture 13 is preferably in powder form and has at least:
  • heteropolysaccharides in particular heteropolysaccharides
  • the material mixture 13 is prepared as a slurry, preferably with water, and then heated before processing in the component 1, 120, 130, preferably heated at 373K to 383K, in particular for 10 min to 120 min, especially for 90 min, so that Slip gets stuck.
  • the at least one amino acid preferably has at least (Ci 2 Hi 8 0 9 ) x (x is a natural number).
  • the at least one saccharide preferably has C 3 H 6 O 3 ,
  • the at least one lipid comprises in particular C 4 H 8 -i 8-36 0 2, in particular 13 Triglyceride (4-18 or 8-36 is a
  • the material mixture 13 can be easily removed from the blade 120, 130, in particular by washing out or boiling out.
  • the material mixture 13 acts as a protection, so that in a laser process both the percussion and the trepaning process can be used to produce a high-quality bore 19 and to avoid "recast".
  • the material mixture 13 can be easily removed. This can be assisted by shaking and / or shaking.
  • One application also consists in reopening holes in a component 1, 120, 130 when the component 1, 120, 130 is coated with through-holes already drilled and the cavity 10 is also protected. ⁇
  • the described invention realizes significant savings in the laser drilling process time and in the process preparation and post-processing.
  • the quality of the holes increases, since both percussion and trepanier methods can be used.
  • the advantage here is that the interior can be completely filled by filling with the material mixture and thus better protected.
  • FIG. 2 shows a perspective view of a moving blade 120 or guide blade 130 of a turbomachine that extends along a longitudinal axis 121.
  • the turbomachine may be a gas turbine of an aircraft or a power plant for power generation, a steam turbine or a compressor.
  • the blade 120, 130 has along the longitudinal axis 121 consecutively a fastening region 400, a blade platform 403 adjacent thereto and an airfoil 406 and a blade tip 415.
  • the blade 130 may have at its blade tip 415 another platform (not shown).
  • a blade root 183 is formed, which serves for attachment of the blades 120, 130 to a shaft or a disc (not shown).
  • the blade root 183 is designed, for example, as a hammer head. Other designs as Christmas tree or Schwalbenschwanzfuß are possible.
  • the blade 120, 130 has a leading edge 409 and a trailing edge 412 for a medium flowing past the blade 406.
  • conventional blades 120, 130 for example, solid metallic materials, in particular superalloys, are used in all regions 400, 403, 406 of the blade 120, 130.
  • Such superalloys are known, for example, from EP 1 204 776 B1, EP 1 306 454, EP 1 319 729 A1, WO 99/67435 or WO 00/44949.
  • the blade 120, 130 can hereby be produced by a casting process, also by directional solidification, by a forging process, by a milling process or combinations thereof.
  • Workpieces with a monocrystalline structure or structures are used as components for machines which are exposed to high mechanical, thermal and / or chemical stresses during operation.
  • Such monocrystalline workpieces takes place e.g. by directed solidification from the melt.
  • These are casting processes in which the liquid metallic alloy is transformed into a monocrystalline structure, i. to the single-crystal workpiece, or directionally solidified.
  • dendritic crystals are aligned along the heat flow and form either a columnar grain structure (columnar, i.e., grains that run the full length of the workpiece and here, in common usage, are referred to as directionally solidified) or a monocrystalline structure, i. the whole workpiece consists of a single crystal.
  • a columnar grain structure columnar, i.e., grains that run the full length of the workpiece and here, in common usage, are referred to as directionally solidified
  • a monocrystalline structure i. the whole workpiece consists of a single crystal.
  • directionally solidified structures means both single crystals which have no grain boundaries or at most small-angle grain boundaries, as well as columnar crystal structures which are probably grain boundaries running in the longitudinal direction but no transverse grain boundaries. have boundaries. These second-mentioned crystalline structures are also known as directionally solidified structures.
  • the blades 120, 130 may have coatings against corrosion or oxidation, e.g. M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni), X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare ones Earth, or hafnium (Hf)).
  • M is at least one element of the group iron (Fe), cobalt (Co), nickel (Ni)
  • X is an active element and stands for yttrium (Y) and / or silicon and / or at least one element of the rare ones Earth, or hafnium (Hf)).
  • Such alloys are known from EP 0 486 489 B1, EP 0 786 017 B1, EP 0 412 397 B1 or EP 1 306 454 A1.
  • the density is preferably 95% of the theoretical
  • the layer composition comprises Co-30Ni-28Cr-8A1-0, 6Y-0, 7Si or Co-28Ni-24Cr-10Al-0, 6Y.
  • nickel-based protective layers such as Ni-IOCr-12A1-0.6Y-3Re or Ni-12Co-21Cr-IIAl-O, 4Y-2Re or Ni-25Co-17Cr-10A1-0,4Y-1 are also preferably used , 5Re.
  • thermal barrier coating which is preferably the outermost layer, and consists for example of Zr0 2 , Y 2 0 3 -Zr0 2 , that is, it is not, partially or completely stabilized by yttria
  • the thermal barrier coating covers the entire MCrAlX layer.
  • Electron beam evaporation produces stalk-shaped grains in the thermal barrier coating.
  • the heat- insulating layer may have porous, micro- or macro-cracked grains for better thermal shock resistance.
  • the thermal barrier coating is therefore preferably more porous than the
  • Refurbishment means that components 120, 130 may need to be deprotected after use (e.g., by sandblasting). This is followed by removal of the corrosion and / or oxidation layers or products. If necessary, will also
  • the blade 120, 130 may be hollow or solid. If the blade 120, 130 is to be cooled, it is hollow and may still film cooling holes 418 (indicated by dashed lines) on.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Mechanical Engineering (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Laser Beam Processing (AREA)

Abstract

L'invention concerne l'utilisation d'un mélange liquide (13) contenant des acides aminés à base aqueuse, pour remplir très facilement et très rapidement les cavités (10) d'un élément (1) creux tout en constituant une protection suffisante de la structure interne (22). En outre, la matière de remplissage (13) s'enlève très facilement au terme du perçage au laser.
EP17761047.4A 2016-09-21 2017-08-22 Mélange de matière, procédé de protection d'un élément, procédé de perçage au laser et élément Ceased EP3487658A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP16189862.2A EP3299111A1 (fr) 2016-09-21 2016-09-21 Mélange de matériaux, procédé de protection d'un composant, procédé de forage au laser et composant
PCT/EP2017/071110 WO2018054631A1 (fr) 2016-09-21 2017-08-22 Mélange de matière, procédé de protection d'un élément, procédé de perçage au laser et élément

Publications (1)

Publication Number Publication Date
EP3487658A1 true EP3487658A1 (fr) 2019-05-29

Family

ID=56979463

Family Applications (2)

Application Number Title Priority Date Filing Date
EP16189862.2A Withdrawn EP3299111A1 (fr) 2016-09-21 2016-09-21 Mélange de matériaux, procédé de protection d'un composant, procédé de forage au laser et composant
EP17761047.4A Ceased EP3487658A1 (fr) 2016-09-21 2017-08-22 Mélange de matière, procédé de protection d'un élément, procédé de perçage au laser et élément

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP16189862.2A Withdrawn EP3299111A1 (fr) 2016-09-21 2016-09-21 Mélange de matériaux, procédé de protection d'un composant, procédé de forage au laser et composant

Country Status (3)

Country Link
US (1) US20190255659A1 (fr)
EP (2) EP3299111A1 (fr)
WO (1) WO2018054631A1 (fr)

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991002108A1 (fr) 1989-08-10 1991-02-21 Siemens Aktiengesellschaft Revetement anticorrosion resistant aux temperatures elevees, notamment pour elements de turbines a gaz
DE3926479A1 (de) 1989-08-10 1991-02-14 Siemens Ag Rheniumhaltige schutzbeschichtung, mit grosser korrosions- und/oder oxidationsbestaendigkeit
JP3370676B2 (ja) 1994-10-14 2003-01-27 シーメンス アクチエンゲゼルシヤフト 腐食・酸化及び熱的過負荷に対して部材を保護するための保護層並びにその製造方法
EP0892090B1 (fr) 1997-02-24 2008-04-23 Sulzer Innotec Ag Procédé de fabrication de structure monocristallines
EP0861927A1 (fr) 1997-02-24 1998-09-02 Sulzer Innotec Ag Procédé de fabrication de structures monocristallines
WO1999067435A1 (fr) 1998-06-23 1999-12-29 Siemens Aktiengesellschaft Alliage a solidification directionnelle a resistance transversale a la rupture amelioree
US6231692B1 (en) 1999-01-28 2001-05-15 Howmet Research Corporation Nickel base superalloy with improved machinability and method of making thereof
JP2000281542A (ja) * 1999-03-29 2000-10-10 Yaizu Suisankagaku Industry Co Ltd ヘアカラー用毛髪処理組成物
EP1204776B1 (fr) 1999-07-29 2004-06-02 Siemens Aktiengesellschaft Piece resistant a des temperatures elevees et son procede de production
DE50104022D1 (de) 2001-10-24 2004-11-11 Siemens Ag Rhenium enthaltende Schutzschicht zum Schutz eines Bauteils gegen Korrosion und Oxidation bei hohen Temperaturen
DE50112339D1 (de) 2001-12-13 2007-05-24 Siemens Ag Hochtemperaturbeständiges Bauteil aus einkristalliner oder polykristalliner Nickel-Basis-Superlegierung
KR101269527B1 (ko) * 2008-02-28 2013-05-30 가부시키가이샤 웨이브락 어드벤스드 테크놀로지 관통구멍 형성 방법, 및, 관통구멍 형성 가공품
US20120082657A1 (en) * 2010-10-04 2012-04-05 Yim Ji Soo Skin preparation containing fermented soybean paste
WO2015016823A1 (fr) * 2013-07-30 2015-02-05 Benemilk Oy Compositions de pâte alimentaire pour ruminants et procédés pour les fabriquer et les utiliser
DE102014200114A1 (de) * 2014-01-08 2015-07-09 Siemens Aktiengesellschaft Verfahren zum Schutz eines Bauteils, Verfahren zum Laserbohren und Bauteil

Also Published As

Publication number Publication date
EP3299111A1 (fr) 2018-03-28
WO2018054631A1 (fr) 2018-03-29
US20190255659A1 (en) 2019-08-22

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