ATE112201T1 - Verfahren zum schweissen von superlegierungen auf der basis von nickel. - Google Patents

Verfahren zum schweissen von superlegierungen auf der basis von nickel.

Info

Publication number
ATE112201T1
ATE112201T1 AT88110675T AT88110675T ATE112201T1 AT E112201 T1 ATE112201 T1 AT E112201T1 AT 88110675 T AT88110675 T AT 88110675T AT 88110675 T AT88110675 T AT 88110675T AT E112201 T1 ATE112201 T1 AT E112201T1
Authority
AT
Austria
Prior art keywords
gamma
pool
prime
nickel alloy
methods
Prior art date
Application number
AT88110675T
Other languages
English (en)
Inventor
Mark A Everett
Original Assignee
Quantum Laser Corp
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 Quantum Laser Corp filed Critical Quantum Laser Corp
Application granted granted Critical
Publication of ATE112201T1 publication Critical patent/ATE112201T1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/22Rods, electrodes, materials, or media, for use in soldering, welding, or cutting characterised by the composition or nature of the material
    • B23K35/24Selection of soldering or welding materials proper
    • B23K35/30Selection of soldering or welding materials proper with the principal constituent melting at less than 1550 degrees C
    • B23K35/3033Ni as the principal constituent
    • B23K35/304Ni as the principal constituent with Cr as the next major constituent
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05BSPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/16Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed
    • B05B7/22Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc
    • B05B7/228Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas incorporating means for heating or cooling the material to be sprayed electrically, magnetically or electromagnetically, e.g. by arc using electromagnetic radiation, e.g. laser
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/20Bonding
    • B23K26/32Bonding taking account of the properties of the material involved
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34Laser welding for purposes other than joining
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00Working by laser beam, e.g. welding, cutting or boring
    • B23K26/34Laser welding for purposes other than joining
    • B23K26/342Build-up welding
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K35/00Rods, electrodes, materials, or media, for use in soldering, welding, or cutting
    • B23K35/001Interlayers, transition pieces for metallurgical bonding of workpieces
    • B23K35/002Interlayers, transition pieces for metallurgical bonding of workpieces at least one of the workpieces being of light metal
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2101/00Articles made by soldering, welding or cutting
    • B23K2101/001Turbines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/08Non-ferrous metals or alloys
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23KSOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00Materials to be soldered, welded or cut
    • B23K2103/18Dissimilar materials
    • B23K2103/26Alloys of Nickel and Cobalt and Chromium
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23PMETAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00Restoring or reconditioning objects
    • B23P6/002Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/007Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Plasma & Fusion (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Toxicology (AREA)
  • Electromagnetism (AREA)
  • Laser Beam Processing (AREA)
  • Arc Welding In General (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Nonmetallic Welding Materials (AREA)
AT88110675T 1987-06-01 1988-07-05 Verfahren zum schweissen von superlegierungen auf der basis von nickel. ATE112201T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/060,758 US4804815A (en) 1987-06-01 1987-06-01 Process for welding nickel-based superalloys
EP88110675A EP0349661B1 (de) 1987-06-01 1988-07-05 Verfahren zum Schweissen von Superlegierungen auf der Basis von Nickel
SG20595A SG20595G (en) 1987-06-01 1995-02-08 Process for welding nickel-based superalloys

Publications (1)

Publication Number Publication Date
ATE112201T1 true ATE112201T1 (de) 1994-10-15

Family

ID=22031564

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88110675T ATE112201T1 (de) 1987-06-01 1988-07-05 Verfahren zum schweissen von superlegierungen auf der basis von nickel.

Country Status (6)

Country Link
US (1) US4804815A (de)
EP (1) EP0349661B1 (de)
AT (1) ATE112201T1 (de)
DE (1) DE3851702T2 (de)
ES (1) ES2063002T3 (de)
SG (1) SG20595G (de)

Families Citing this family (72)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5017753A (en) * 1986-10-17 1991-05-21 Board Of Regents, The University Of Texas System Method and apparatus for producing parts by selective sintering
US5043548A (en) * 1989-02-08 1991-08-27 General Electric Company Axial flow laser plasma spraying
DE3935009A1 (de) * 1989-10-20 1991-04-25 Inst Nat Sciences Appliq Vorrichtung fuer die laser-plasmabeschichtung
US5106010A (en) * 1990-09-28 1992-04-21 Chromalloy Gas Turbine Corporation Welding high-strength nickel base superalloys
FR2667805B1 (fr) * 1990-10-16 1993-01-22 Aerospatiale Buse de traitement de surface par laser, avec apport de poudre.
DE4120790A1 (de) * 1991-06-24 1993-01-14 Verkehrswesen Hochschule Duese zum oberflaechenbehandeln metallischer werkstuecke
US5304771A (en) * 1992-02-18 1994-04-19 D. A. Griffin Corporation Apparatus for precisely metering powder for welding
US5245155A (en) * 1992-03-06 1993-09-14 General Electric Company Single point powder feed nozzle for use in laser welding
US5453329A (en) * 1992-06-08 1995-09-26 Quantum Laser Corporation Method for laser cladding thermally insulated abrasive particles to a substrate, and clad substrate formed thereby
US5462773A (en) * 1992-12-28 1995-10-31 Xerox Corporation Synchronized process for catalysis of electroless metal plating on plastic
US5554837A (en) * 1993-09-03 1996-09-10 Chromalloy Gas Turbine Corporation Interactive laser welding at elevated temperatures of superalloy articles
US5477025A (en) * 1994-01-14 1995-12-19 Quantum Laser Corporation Laser nozzle
US5486676A (en) * 1994-11-14 1996-01-23 General Electric Company Coaxial single point powder feed nozzle
US5914059A (en) * 1995-05-01 1999-06-22 United Technologies Corporation Method of repairing metallic articles by energy beam deposition with reduced power density
US5900170A (en) * 1995-05-01 1999-05-04 United Technologies Corporation Containerless method of producing crack free metallic articles by energy beam deposition with reduced power density
DE19547903C1 (de) * 1995-12-21 1997-03-20 Mtu Muenchen Gmbh Verfahren zur Herstellung oder Instandsetzung von Schaufeln für Turbomaschinen mittels Laserstrahlauftragsschweißen unter Verwendung eines Metallpulvers als Zusatzwerkstoff, sowie Stützform zur Herstellung oder Instandsetzung derartiger Schaufeln und Verfahren zur Herstellung der Stützform
US20030032057A1 (en) * 1997-08-26 2003-02-13 Genentech, Inc. Secreted and transmembrane polypeptides and nucleic acids encoding the same
US6326585B1 (en) 1998-07-14 2001-12-04 General Electric Company Apparatus for laser twist weld of compressor blisks airfoils
US6172327B1 (en) * 1998-07-14 2001-01-09 General Electric Company Method for laser twist welding of compressor blisk airfoils
US6054672A (en) * 1998-09-15 2000-04-25 Chromalloy Gas Turbine Corporation Laser welding superalloy articles
US6534745B1 (en) 1999-09-27 2003-03-18 Mathew T. J. Lowney Nozzle particularly suited to direct metal deposition
US6364971B1 (en) 2000-01-20 2002-04-02 Electric Power Research Institute Apparatus and method of repairing turbine blades
US6333484B1 (en) 2000-03-17 2001-12-25 Chromalloy Gas Turbine Corporation Welding superalloy articles
GB2365026B (en) * 2000-05-25 2004-08-18 Infraco Bcv Ltd Coating of rails
GB0028215D0 (en) * 2000-11-18 2001-01-03 Rolls Royce Plc Nickel alloy composition
US6495793B2 (en) 2001-04-12 2002-12-17 General Electric Company Laser repair method for nickel base superalloys with high gamma prime content
US6489584B1 (en) 2001-05-08 2002-12-03 General Electric Company Room-temperature surface weld repair of nickel-base superalloys having a nil-ductility range
GB2385863A (en) * 2001-10-29 2003-09-03 Qinetiq Ltd High resolution patterning method
US7416108B2 (en) 2002-01-24 2008-08-26 Siemens Power Generation, Inc. High strength diffusion brazing utilizing nano-powders
US6726086B2 (en) 2002-01-24 2004-04-27 Siemens Westinghouse Power Corporation Liquid phase diffusion bonding to a superalloy component
US6593540B1 (en) 2002-02-08 2003-07-15 Honeywell International, Inc. Hand held powder-fed laser fusion welding torch
US6894247B2 (en) 2002-07-26 2005-05-17 Honeywell International, Inc. Powder feed splitter for hand-held laser powder fusion welding torch
US7009137B2 (en) * 2003-03-27 2006-03-07 Honeywell International, Inc. Laser powder fusion repair of Z-notches with nickel based superalloy powder
US20050023256A1 (en) * 2003-07-31 2005-02-03 Srikanth Sankaranarayanan 3-D adaptive laser powder fusion welding
CN1883151B (zh) * 2003-09-15 2010-06-16 英特尔公司 用于传递多个空间信号流的多载波发射机、多载波接收机和方法
US20050056628A1 (en) * 2003-09-16 2005-03-17 Yiping Hu Coaxial nozzle design for laser cladding/welding process
US7038162B2 (en) * 2003-11-13 2006-05-02 Honeywell International, Inc. Hand-held laser welding wand filler media delivery systems and methods
US7001672B2 (en) * 2003-12-03 2006-02-21 Medicine Lodge, Inc. Laser based metal deposition of implant structures
US7666522B2 (en) * 2003-12-03 2010-02-23 IMDS, Inc. Laser based metal deposition (LBMD) of implant structures
US6972390B2 (en) * 2004-03-04 2005-12-06 Honeywell International, Inc. Multi-laser beam welding high strength superalloys
US20050212694A1 (en) * 2004-03-26 2005-09-29 Chun-Ta Chen Data distribution method and system
US20050274701A1 (en) * 2004-06-10 2005-12-15 United Technologies Corporation Homogeneous welding via pre-heating for high strength superalloy joining and material deposition
US7641985B2 (en) * 2004-06-21 2010-01-05 Siemens Energy, Inc. Boron free joint for superalloy component
US6872912B1 (en) 2004-07-12 2005-03-29 Chromalloy Gas Turbine Corporation Welding single crystal articles
DE102004036066A1 (de) * 2004-07-24 2006-02-16 Mtu Aero Engines Gmbh Verfahren zum Reparieren bzw. Fertigen eines Bauteils
US20060042083A1 (en) * 2004-08-27 2006-03-02 Baker Martin C Repair of turbines on wing
US20060067830A1 (en) * 2004-09-29 2006-03-30 Wen Guo Method to restore an airfoil leading edge
US7259353B2 (en) * 2004-09-30 2007-08-21 Honeywell International, Inc. Compact coaxial nozzle for laser cladding
US7371988B2 (en) 2004-10-22 2008-05-13 Electric Power Research Institute, Inc. Methods for extending the life of alloy steel welded joints by elimination and reduction of the HAZ
US7484651B2 (en) 2004-10-22 2009-02-03 Electric Power Research Institute, Inc. Method to join or repair superalloy hot section turbine components using hot isostatic processing
US7112761B2 (en) * 2005-02-07 2006-09-26 Honeywell International, Inc. Hand-held laser welding wand gas lens
US7094988B1 (en) 2005-04-18 2006-08-22 Honeywell International, Inc. Laser welding heat treat process
US20060231535A1 (en) * 2005-04-19 2006-10-19 Fuesting Timothy P Method of welding a gamma-prime precipitate strengthened material
US7951412B2 (en) * 2006-06-07 2011-05-31 Medicinelodge Inc. Laser based metal deposition (LBMD) of antimicrobials to implant surfaces
US7653995B2 (en) * 2006-08-01 2010-02-02 Siemens Energy, Inc. Weld repair of superalloy materials
US8618440B2 (en) * 2007-01-04 2013-12-31 Siemens Energy, Inc. Sprayed weld strip for improved weldability
US8561298B2 (en) * 2007-03-01 2013-10-22 Siemens Energy, Inc. Superalloy component welding at ambient temperature
CA2691334C (en) * 2007-06-12 2018-02-27 Rolls-Royce Corporation System, method, and apparatus for repair of components
DE102009024957B3 (de) * 2009-06-11 2010-09-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Modulares System zum Auftragsschweißen an innenliegenden Oberflächen von Werkstücken mit einem Laserstrahl
EP2322313A1 (de) * 2009-11-13 2011-05-18 Siemens Aktiengesellschaft Verfahren zum Schweissen von Werkstücken aus hochwarmfesten Superlegierungen mit besonderer Massenzufuhrrate des Schweisszusatzwerkstoffes
EP2322314A1 (de) * 2009-11-16 2011-05-18 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Einkristallines Schweissen von direktional verfestigten Werkstoffen
DE102010018686B4 (de) * 2010-04-22 2017-08-17 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Laser-Auftragschweißen mit pulverförmigem Zusatzwerkstoff
CN102189337B (zh) * 2011-02-14 2014-04-30 北京工业大学 Ni3Al基合金铸件激光无裂纹熔焊修复方法
US9527162B2 (en) 2011-11-07 2016-12-27 Siemens Energy, Inc. Laser additive repairing of nickel base superalloy components
CN104364045B (zh) * 2012-05-11 2016-10-12 西门子能量股份有限公司 镍基超级合金构件的激光添加剂修复
DE102014105941A1 (de) 2013-05-27 2014-11-27 Scansonic Mi Gmbh Laserstrahlschweißverfahren zur Reduktion thermomechanischer Spannungen
JP2018531799A (ja) * 2015-10-30 2018-11-01 ハイパーサーム インコーポレイテッド レーザ部品の水冷のためのレーザ加工ヘッド用の熱調整装置
TWI621482B (zh) * 2016-09-26 2018-04-21 東台精機股份有限公司 具有三維列印金屬功能的噴頭模組及電腦數値控制加工裝置
CN109648203B (zh) * 2019-02-16 2020-12-08 明光天赋智能科技有限公司 一种板材激光堆焊工艺
CN109648204B (zh) * 2019-02-16 2020-12-11 日照亿铭科技服务有限公司 一种高精度激光堆焊设备
CN109759702B (zh) * 2019-02-18 2020-12-08 陈光贡 一种汽车车身的激光焊接工艺
CN109894745B (zh) * 2019-04-03 2021-04-27 深圳市富威旺五金制品有限公司 一种消除激光焊接气孔的焊接系统

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4117302A (en) * 1974-03-04 1978-09-26 Caterpillar Tractor Co. Method for fusibly bonding a coating material to a metal article
US4219592A (en) * 1977-07-11 1980-08-26 United Technologies Corporation Two-way surfacing process by fusion welding
US4213026A (en) * 1978-06-06 1980-07-15 United Technologies Corporation Age hardenable nickel superalloy welding wires containing manganese
GB2052566B (en) * 1979-03-30 1982-12-15 Rolls Royce Laser aplication of hard surface alloy
US4323756A (en) * 1979-10-29 1982-04-06 United Technologies Corporation Method for fabricating articles by sequential layer deposition
JPS5948873B2 (ja) * 1980-05-14 1984-11-29 ペルメレック電極株式会社 耐食性被覆を設けた電極基体又は電極の製造方法
US4299860A (en) * 1980-09-08 1981-11-10 The United States Of America As Represented By The Secretary Of The Navy Surface hardening by particle injection into laser melted surface
US4533815A (en) * 1983-08-01 1985-08-06 Smith International, Inc. Process for treating a bearing surface to modify microasperities
US4730093A (en) * 1984-10-01 1988-03-08 General Electric Company Method and apparatus for repairing metal in an article
US4743733A (en) * 1984-10-01 1988-05-10 General Electric Company Method and apparatus for repairing metal in an article
US4615903A (en) * 1985-07-01 1986-10-07 The United States Of America As Represented By The Secretary Of The Navy Method for melt-coating a surface
JP3755238B2 (ja) * 1997-06-11 2006-03-15 株式会社島津製作所 材料試験機

Also Published As

Publication number Publication date
ES2063002T3 (es) 1995-01-01
US4804815A (en) 1989-02-14
SG20595G (en) 1995-08-18
DE3851702D1 (de) 1994-11-03
EP0349661A1 (de) 1990-01-10
EP0349661B1 (de) 1994-09-28
DE3851702T2 (de) 1995-03-02

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