DE602005027552D1 - Reparatur an gasturbinen-motorenbauteilen durch dynamisches kaltgasspritzen - Google Patents

Reparatur an gasturbinen-motorenbauteilen durch dynamisches kaltgasspritzen

Info

Publication number
DE602005027552D1
DE602005027552D1 DE602005027552T DE602005027552T DE602005027552D1 DE 602005027552 D1 DE602005027552 D1 DE 602005027552D1 DE 602005027552 T DE602005027552 T DE 602005027552T DE 602005027552 T DE602005027552 T DE 602005027552T DE 602005027552 D1 DE602005027552 D1 DE 602005027552D1
Authority
DE
Germany
Prior art keywords
turbine engine
engine components
repairing
gas turbine
dynamic cold
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.)
Active
Application number
DE602005027552T
Other languages
English (en)
Inventor
Yiping Hu
Federico Renteria
Murali Madhava
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.)
Honeywell International Inc
Original Assignee
Honeywell International Inc
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 Honeywell International Inc filed Critical Honeywell International Inc
Publication of DE602005027552D1 publication Critical patent/DE602005027552D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P6/00—Restoring or reconditioning objects
    • B23P6/002—Repairing turbine components, e.g. moving or stationary blades, rotors
    • B23P6/007—Repairing turbine components, e.g. moving or stationary blades, rotors using only additive methods, e.g. build-up welding
    • 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
    • B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
    • B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
    • B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/02—Coating starting from inorganic powder by application of pressure only
    • C23C24/04—Impact or kinetic deposition of particles
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C26/00—Coating not provided for in groups C23C2/00 - C23C24/00
    • 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
    • F01D5/005—Repairing methods or devices
    • 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
    • F05D2230/80—Repairing, retrofitting or upgrading methods

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Composite Materials (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Coating By Spraying Or Casting (AREA)
DE602005027552T 2004-03-22 2005-03-22 Reparatur an gasturbinen-motorenbauteilen durch dynamisches kaltgasspritzen Active DE602005027552D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/806,727 US6905728B1 (en) 2004-03-22 2004-03-22 Cold gas-dynamic spray repair on gas turbine engine components
PCT/US2005/009551 WO2005093128A1 (en) 2004-03-22 2005-03-22 Cold gas-dynamic spray repair on gas turbine engine components

Publications (1)

Publication Number Publication Date
DE602005027552D1 true DE602005027552D1 (de) 2011-06-01

Family

ID=34634670

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602005027552T Active DE602005027552D1 (de) 2004-03-22 2005-03-22 Reparatur an gasturbinen-motorenbauteilen durch dynamisches kaltgasspritzen

Country Status (4)

Country Link
US (1) US6905728B1 (de)
EP (1) EP1730323B1 (de)
DE (1) DE602005027552D1 (de)
WO (1) WO2005093128A1 (de)

Families Citing this family (76)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20030002043A1 (en) * 2001-04-10 2003-01-02 Kla-Tencor Corporation Periodic patterns and technique to control misalignment
US20040086635A1 (en) * 2002-10-30 2004-05-06 Grossklaus Warren Davis Method of repairing a stationary shroud of a gas turbine engine using laser cladding
US20050220995A1 (en) * 2004-04-06 2005-10-06 Yiping Hu Cold gas-dynamic spraying of wear resistant alloys on turbine blades
US20050255329A1 (en) * 2004-05-12 2005-11-17 General Electric Company Superalloy article having corrosion resistant coating thereon
US20060045785A1 (en) * 2004-08-30 2006-03-02 Yiping Hu Method for repairing titanium alloy components
US20060051502A1 (en) * 2004-09-08 2006-03-09 Yiping Hu Methods for applying abrasive and environment-resistant coatings onto turbine components
US20060121183A1 (en) * 2004-12-03 2006-06-08 United Technologies Corporation Superalloy repair using cold spray
US7378132B2 (en) * 2004-12-14 2008-05-27 Honeywell International, Inc. Method for applying environmental-resistant MCrAlY coatings on gas turbine components
US7335427B2 (en) * 2004-12-17 2008-02-26 General Electric Company Preform and method of repairing nickel-base superalloys and components repaired thereby
US20060134320A1 (en) * 2004-12-21 2006-06-22 United Technologies Corporation Structural repair using cold sprayed aluminum materials
US20060134321A1 (en) * 2004-12-22 2006-06-22 United Technologies Corporation Blade platform restoration using cold spray
US7836593B2 (en) * 2005-03-17 2010-11-23 Siemens Energy, Inc. Cold spray method for producing gas turbine blade tip
US7836591B2 (en) * 2005-03-17 2010-11-23 Siemens Energy, Inc. Method for forming turbine seal by cold spray process
US20060216428A1 (en) * 2005-03-23 2006-09-28 United Technologies Corporation Applying bond coat to engine components using cold spray
KR100802329B1 (ko) * 2005-04-15 2008-02-13 주식회사 솔믹스 금속기지 복합체 형성방법 및 이를 이용하여 제조된 코팅층및 벌크
JP4904341B2 (ja) * 2005-05-05 2012-03-28 ハー．ツェー．スタルク ゲゼルシャフト ミット ベシュレンクテル ハフツング スパッタターゲット及びｘ線アノードを製造又は再処理するための被覆方法
RU2434073C9 (ru) * 2005-05-05 2012-12-27 Х.К. Штарк Гмбх Способ покрытия поверхности субстрата и продукт с нанесенным покрытием
US7367488B2 (en) * 2005-05-10 2008-05-06 Honeywell International, Inc. Method of repair of thin wall housings
US20070031591A1 (en) * 2005-08-05 2007-02-08 TDM Inc. Method of repairing a metallic surface wetted by a radioactive fluid
KR100946196B1 (ko) * 2005-08-17 2010-03-08 아주대학교산학협력단 분무 코팅에 의한 금속표면 개질방법 및 이에 의하여 제조되는 금속
EP1772228A1 (de) * 2005-10-07 2007-04-11 Siemens Aktiengesellschaft Verfahren zum Reparieren eines Bauteils mit einer gerichteten Mikrostruktur
US20070116890A1 (en) * 2005-11-21 2007-05-24 Honeywell International, Inc. Method for coating turbine engine components with rhenium alloys using high velocity-low temperature spray process
DE102005062225B3 (de) * 2005-12-21 2007-06-21 Siemens Ag Legierungsprodukt vom MCrAIX-Typ und Verfahren zur Herstellung einer Schicht aus diesem Legierungsprodukt
EP1829988A1 (de) * 2006-03-02 2007-09-05 Praxair Surface Technologies GmbH Verfahren zur Reparatur und wiederherstellung von dynamisch beanspruchten Komponenten aus Aluminiumlegierungen für luftfahrtechnische Anwendungen
SG141297A1 (en) 2006-09-11 2008-04-28 United Technologies Corp Method for processing titanium alloy components
US20080078268A1 (en) * 2006-10-03 2008-04-03 H.C. Starck Inc. Process for preparing metal powders having low oxygen content, powders so-produced and uses thereof
US20080099538A1 (en) * 2006-10-27 2008-05-01 United Technologies Corporation & Pratt & Whitney Canada Corp. Braze pre-placement using cold spray deposition
AU2007317650B2 (en) * 2006-11-07 2012-06-14 H.C. Starck Surface Technology and Ceramic Powders GmbH Method for coating a substrate and coated product
US20080145688A1 (en) 2006-12-13 2008-06-19 H.C. Starck Inc. Method of joining tantalum clade steel structures
US8197894B2 (en) 2007-05-04 2012-06-12 H.C. Starck Gmbh Methods of forming sputtering targets
US20080286459A1 (en) * 2007-05-17 2008-11-20 Pratt & Whitney Canada Corp. Method for applying abradable coating
US20090098286A1 (en) * 2007-06-11 2009-04-16 Honeywell International, Inc. Method for forming bond coats for thermal barrier coatings on turbine engine components
US8597724B2 (en) * 2007-07-06 2013-12-03 United Technologies Corporation Corrosion protective coating through cold spray
DE102007046386B3 (de) * 2007-09-21 2008-10-02 Siemens Ag Verfahren zur Reparatur eines Bauteils durch Beschichten
DE102007056451A1 (de) * 2007-11-23 2009-05-28 Mtu Aero Engines Gmbh Verfahren zur Reparatur eines Gasturbinenbauteils
US8109638B2 (en) * 2008-01-22 2012-02-07 Alcatel Lucent Diffuser configuration for an image projector
US20090249603A1 (en) * 2008-04-08 2009-10-08 Chris Vargas Cold deposition repair of casting porosity
US20090301645A1 (en) * 2008-06-04 2009-12-10 General Electric Company System and method of joining components
US20100014977A1 (en) * 2008-07-15 2010-01-21 Shattuck Colman D Variable pitch aft propeller vane system
US8246903B2 (en) 2008-09-09 2012-08-21 H.C. Starck Inc. Dynamic dehydriding of refractory metal powders
US8043655B2 (en) * 2008-10-06 2011-10-25 H.C. Starck, Inc. Low-energy method of manufacturing bulk metallic structures with submicron grain sizes
EP2177643A1 (de) * 2008-10-07 2010-04-21 Siemens Aktiengesellschaft Verfahren zum Reparieren einer Superlegierung mit dem gleichen Superlegierungspulver und Keramik
DE102008052030B4 (de) * 2008-10-16 2011-06-16 Mtu Aero Engines Gmbh Verfahren zum Verbinden wenigstens einer Turbinenschaufel mit einer Turbinenscheibe oder einem Turbinenring
DE102008057162A1 (de) * 2008-11-13 2010-05-20 Mtu Aero Engines Gmbh Verfahren zur Reparatur des Bauteils einer Gasturbine
US8268237B2 (en) * 2009-01-08 2012-09-18 General Electric Company Method of coating with cryo-milled nano-grained particles
DE102009037894A1 (de) * 2009-08-18 2011-02-24 Mtu Aero Engines Gmbh Dünnwandiges Strukturbauteil und Verfahren zu seiner Herstellung
US8261444B2 (en) * 2009-10-07 2012-09-11 General Electric Company Turbine rotor fabrication using cold spraying
DE102010007526B3 (de) 2010-02-11 2011-05-05 Mtu Aero Engines Gmbh Verfahren zur Herstellung eines Bauteils und ein derartiges Bauteil
EP2366488A1 (de) * 2010-03-19 2011-09-21 Siemens Aktiengesellschaft Verfahren zum Wiederaufarbeiten einer Turbinenschaufel mit wenigstens einer Plattform
US8708659B2 (en) 2010-09-24 2014-04-29 United Technologies Corporation Turbine engine component having protective coating
DE102010048336A1 (de) * 2010-10-13 2012-04-19 Mtu Aero Engines Gmbh Bauteil und Verfahren zum Ausbilden, Reparieren und/oder Aufbauen eines derartigen Bauteils
ITTO20110257A1 (it) * 2011-03-24 2012-09-25 Avio Spa Metodo per la riparazione di un componente in lega di alluminio
US8544769B2 (en) 2011-07-26 2013-10-01 General Electric Company Multi-nozzle spray gun
US9412568B2 (en) 2011-09-29 2016-08-09 H.C. Starck, Inc. Large-area sputtering targets
US8601663B2 (en) 2012-02-13 2013-12-10 Honeywell International Inc. Methods for structural repair of components having damaged internally threaded openings and components repaired using such methods
US9175402B2 (en) * 2012-07-30 2015-11-03 General Electric Company Turbine repair process, repaired coating, and repaired turbine component
WO2014028965A1 (en) * 2012-08-20 2014-02-27 Commonwealth Scientific And Industrial Research Organisation Formation, repair and modification of lay up tools
US10441962B2 (en) 2012-10-29 2019-10-15 South Dakota Board Of Regents Cold spray device and system
US10099322B2 (en) * 2012-10-29 2018-10-16 South Dakota Board Of Regents Methods for cold spray repair
AU2013375273B2 (en) * 2013-01-28 2017-08-31 Raytheon Technologies Corporation Structured material alloy component fabrication
US20160024942A1 (en) * 2013-03-15 2016-01-28 United Technologies Corporation Abrasive Tipped Blades and Manufacture Methods
US8991241B1 (en) * 2013-10-30 2015-03-31 General Electric Company Gas turbine component monitoring
US9599210B2 (en) * 2013-11-06 2017-03-21 Sikorsky Aircraft Corporation Damage mitigation for gearbox
US10077499B2 (en) 2013-11-06 2018-09-18 Sikorsky Aircraft Corporation Corrosion mitigation for gearbox
PL3134932T3 (pl) 2014-04-25 2022-01-17 South Dakota Board Of Regents Elektrody o dużej pojemności
US20150377037A1 (en) * 2014-06-30 2015-12-31 General Electric Company Braze methods and components for turbine buckets
US20160175991A1 (en) * 2014-12-19 2016-06-23 General Electric Company Weld filler for superalloys
US20170073806A1 (en) * 2015-09-10 2017-03-16 General Electric Company Article treatment methods
US20170114466A1 (en) * 2015-10-21 2017-04-27 General Electric Company Article, turbine component and airfoil treatment methods
US10610982B2 (en) 2015-11-12 2020-04-07 General Electric Company Weld filler metal for superalloys and methods of making
US20210213535A1 (en) * 2017-06-20 2021-07-15 Commonwealth Scientific And Industrial Research Organisation Process for forming wrought structures using cold spray
US10315218B2 (en) * 2017-07-06 2019-06-11 General Electric Company Method for repairing turbine component by application of thick cold spray coating
DE102017222182A1 (de) * 2017-12-07 2019-06-13 Helmholtz-Zentrum Geesthacht Zentrum für Material- und Küstenforschung GmbH Verfahren zum Aufbringen einer Titanaluminidlegierung, Titanaluminidlegierung und Substrat umfassend eine Titanaluminidlegierung
US10468674B2 (en) 2018-01-09 2019-11-05 South Dakota Board Of Regents Layered high capacity electrodes
CN111411250B (zh) * 2020-04-07 2021-07-09 广东广纳新材料有限公司 一种可膨胀微球发泡剂、其制备方法与发泡材料
CN111783306B (zh) * 2020-07-06 2022-11-18 中国航发湖南动力机械研究所 涡轮叶片冷气量与冷效特性分析方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4008844A (en) 1975-01-06 1977-02-22 United Technologies Corporation Method of repairing surface defects using metallic filler material
US4050133A (en) 1976-06-07 1977-09-27 Cretella Salvatore Method of refurbishing turbine vanes and the like
DE69016433T2 (de) 1990-05-19 1995-07-20 Papyrin Anatolij Nikiforovic Beschichtungsverfahren und -vorrichtung.
US5156321A (en) 1990-08-28 1992-10-20 Liburdi Engineering Limited Powder metallurgy repair technique
DE4310896C1 (de) 1993-04-02 1994-03-24 Thyssen Industrie Verfahren zum Herstellen von verschleißfesten Kanten an Turbinenschaufeln
US20030088980A1 (en) 1993-11-01 2003-05-15 Arnold James E. Method for correcting defects in a workpiece
US5732467A (en) 1996-11-14 1998-03-31 General Electric Company Method of repairing directionally solidified and single crystal alloy parts
US20040031140A1 (en) 1996-12-23 2004-02-19 Arnold James E. Methods for salvaging a cast article
US6049978A (en) 1996-12-23 2000-04-18 Recast Airfoil Group Methods for repairing and reclassifying gas turbine engine airfoil parts
US6626228B1 (en) 1998-08-24 2003-09-30 General Electric Company Turbine component repair system and method of using thereof
US6139913A (en) 1999-06-29 2000-10-31 National Center For Manufacturing Sciences Kinetic spray coating method and apparatus
US6306277B1 (en) 2000-01-14 2001-10-23 Honeywell International Inc. Platinum electrolyte for use in electrolytic plating
US6384365B1 (en) 2000-04-14 2002-05-07 Siemens Westinghouse Power Corporation Repair and fabrication of combustion turbine components by spark plasma sintering
US6365222B1 (en) * 2000-10-27 2002-04-02 Siemens Westinghouse Power Corporation Abradable coating applied with cold spray technique
US6491208B2 (en) 2000-12-05 2002-12-10 Siemens Westinghouse Power Corporation Cold spray repair process
US6444259B1 (en) * 2001-01-30 2002-09-03 Siemens Westinghouse Power Corporation Thermal barrier coating applied with cold spray technique
US6602548B2 (en) 2001-06-20 2003-08-05 Honeywell International Inc. Ceramic turbine blade attachment having high temperature, high stress compliant layers and method of fabrication thereof
US6520401B1 (en) 2001-09-06 2003-02-18 Sermatech International, Inc. Diffusion bonding of gaps
US6706319B2 (en) * 2001-12-05 2004-03-16 Siemens Westinghouse Power Corporation Mixed powder deposition of components for wear, erosion and abrasion resistant applications
US6883224B2 (en) 2002-02-01 2005-04-26 Honeywell International Inc. Gas turbine impeller alignment tool and method
US6623796B1 (en) 2002-04-05 2003-09-23 Delphi Technologies, Inc. Method of producing a coating using a kinetic spray process with large particles and nozzles for the same
US7556695B2 (en) 2002-05-06 2009-07-07 Honeywell International, Inc. Apparatus to make nanolaminate thermal barrier coatings
CA2433613A1 (en) * 2002-08-13 2004-02-13 Russel J. Ruprecht, Jr. Spray method for mcralx coating

Also Published As

Publication number Publication date
EP1730323A1 (de) 2006-12-13
WO2005093128A1 (en) 2005-10-06
EP1730323B1 (de) 2011-04-20
US6905728B1 (en) 2005-06-14

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