GB2421032A - A method of protecting a component against hot corrosion - Google Patents

A method of protecting a component against hot corrosion Download PDF

Info

Publication number
GB2421032A
GB2421032A GB0427155A GB0427155A GB2421032A GB 2421032 A GB2421032 A GB 2421032A GB 0427155 A GB0427155 A GB 0427155A GB 0427155 A GB0427155 A GB 0427155A GB 2421032 A GB2421032 A GB 2421032A
Authority
GB
United Kingdom
Prior art keywords
coating
component
weight
chromium
aluminium
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Withdrawn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
GB0427155A
Other languages
English (en)
Other versions
GB0427155D0 (en
Inventor
Paul Box
Mick Whitehurst
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 AG
Original Assignee
Siemens AG
Siemens Industrial Turbomachinery Ltd
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, Siemens Industrial Turbomachinery Ltd filed Critical Siemens AG
Priority to GB0427155A priority Critical patent/GB2421032A/en
Publication of GB0427155D0 publication Critical patent/GB0427155D0/en
Priority to EP05818992A priority patent/EP1819906A2/de
Priority to US11/792,629 priority patent/US20070264126A1/en
Priority to PCT/EP2005/056643 priority patent/WO2006061431A2/de
Publication of GB2421032A publication Critical patent/GB2421032A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/04—Diffusion into selected surface areas, e.g. using masks
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/06—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases
    • C23C10/16—Solid state diffusion of only metal elements or silicon into metallic material surfaces using gases more than one element being diffused in more than one step
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • C23C10/52—Embedding in a powder mixture, i.e. pack cementation more than one element being diffused in one step
    • C23C10/54—Diffusion of at least chromium
    • C23C10/56—Diffusion of at least chromium and at least aluminium
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/28—Solid state diffusion of only metal elements or silicon into metallic material surfaces using solids, e.g. powders, pastes
    • C23C10/34—Embedding in a powder mixture, i.e. pack cementation
    • C23C10/58—Embedding in a powder mixture, i.e. pack cementation more than one element being diffused in more than one step
    • 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
    • C23C10/00—Solid state diffusion of only metal elements or silicon into metallic material surfaces
    • C23C10/60—After-treatment
    • 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
    • F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/007—Preventing corrosion
    • 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
    • F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • F01D5/288—Protective coatings for blades
    • 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
    • F05D2230/90—Coating; Surface 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
    • F05D2300/00—Materials; Properties thereof
    • F05D2300/60—Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/611—Coating

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Resistance Heating (AREA)
GB0427155A 2004-12-11 2004-12-11 A method of protecting a component against hot corrosion Withdrawn GB2421032A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
GB0427155A GB2421032A (en) 2004-12-11 2004-12-11 A method of protecting a component against hot corrosion
EP05818992A EP1819906A2 (de) 2004-12-11 2005-12-09 Verfahren zum schutz einer komponente gegen hochtemperaturkorrosion
US11/792,629 US20070264126A1 (en) 2004-12-11 2005-12-09 Method of Protecting a Component Against Hot Corrosion
PCT/EP2005/056643 WO2006061431A2 (de) 2004-12-11 2005-12-09 A method of protecting a component against hot corrosion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0427155A GB2421032A (en) 2004-12-11 2004-12-11 A method of protecting a component against hot corrosion

Publications (2)

Publication Number Publication Date
GB0427155D0 GB0427155D0 (en) 2005-01-12
GB2421032A true GB2421032A (en) 2006-06-14

Family

ID=34073550

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0427155A Withdrawn GB2421032A (en) 2004-12-11 2004-12-11 A method of protecting a component against hot corrosion

Country Status (4)

Country Link
US (1) US20070264126A1 (de)
EP (1) EP1819906A2 (de)
GB (1) GB2421032A (de)
WO (1) WO2006061431A2 (de)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2439313A (en) * 2006-06-24 2007-12-27 Siemens Ag Protecting components against hot corrosion using sequential chromium diffusion coatings and ceramic coatings
EP2072759A2 (de) * 2007-12-19 2009-06-24 General Electric Company Gasturbinenschaufelturbinenschaufel mit mehrschichtiger Schutzumhüllung für die Innenkühlungskanäle
EP2098606A1 (de) * 2008-03-04 2009-09-09 Siemens Aktiengesellschaft MCrAIY-Legierung, Verfahren zur Herstellung einer MCrAIY-Schicht und Wabendichtung
WO2010022698A1 (de) * 2008-08-27 2010-03-04 Mtu Aero Engines Gmbh Turbinenschaufel einer gasturbine und verfahren zum beschichten einer turbinenschaufel einer gasturbine
CN101126146B (zh) * 2007-09-21 2010-06-23 南京利民机械有限责任公司 一种使用井式炉渗铬的方法
EP2572015A1 (de) * 2010-05-17 2013-03-27 Aeromet Technologies, Inc. Chemische gasphasenabscheidung von metallschichten für verbessertes löten
EP2743369A1 (de) * 2012-12-11 2014-06-18 Siemens Aktiengesellschaft Beschichtungssystem, Verfahren zum Beschichten eines Substrats und Gasturbinenkomponente
EP3045561A1 (de) * 2015-01-15 2016-07-20 United Technologies Corporation Aufgedampfter nitridfreier chromatbelag
EP2487331A3 (de) * 2011-02-14 2017-03-22 General Electric Company Komponente einer Turbinenschaufelplattform
EP2589754A3 (de) * 2011-11-03 2018-01-24 General Electric Company Laufschaufelkomponent einer Turbomaschine
EP3502314A1 (de) * 2017-12-19 2019-06-26 Siemens Aktiengesellschaft Verbesserungen im zusammenhang mit beschichtungen für metalllegierungskomponenten
WO2019121247A1 (en) * 2017-12-19 2019-06-27 Siemens Aktiengesellschaft Improvements relating to coatings for metal alloy components

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070116875A1 (en) * 2005-11-22 2007-05-24 United Technologies Corporation Strip process for superalloys
DE102005060243A1 (de) * 2005-12-14 2007-06-21 Man Turbo Ag Verfahren zum Beschichten einer Schaufel und Schaufel einer Gasturbine
US8708658B2 (en) * 2007-04-12 2014-04-29 United Technologies Corporation Local application of a protective coating on a shrouded gas turbine engine component
EP2166126A1 (de) * 2008-09-18 2010-03-24 Siemens Aktiengesellschaft Verfahren zur Beschichtung und Gasturbinenkomponente
US20130115072A1 (en) * 2011-11-09 2013-05-09 General Electric Company Alloys for bond coatings and articles incorporating the same
JP6126852B2 (ja) * 2012-02-21 2017-05-10 ハウメット コーポレイションＨｏｗｍｅｔ Ｃｏｒｐｏｒａｔｉｏｎ ガスタービン部品のコーティング及びコーティング方法
EP2695964B1 (de) * 2012-08-10 2020-05-06 MTU Aero Engines AG Bauteilangepasste Schutzschicht
JP6480662B2 (ja) 2013-03-13 2019-03-13 ハウメット コーポレイションＨｏｗｍｅｔ Ｃｏｒｐｏｒａｔｉｏｎ タービン部品のアルミナイジングに用いられるマスカント
EP2918783A1 (de) * 2014-03-12 2015-09-16 Siemens Aktiengesellschaft Turbinenschaufel mit einer beschichteten Plattform
US10584411B2 (en) * 2014-07-18 2020-03-10 United Technologies Corporation Chromium-enriched diffused aluminide
US9932665B2 (en) * 2015-01-22 2018-04-03 United Technologies Corporation Corrosion resistant coating application method
GB2559806A (en) * 2017-02-21 2018-08-22 Siemens Ag Coating and method of applying a coating for an aerofoil of a gas turbine engine
DE102017212075A1 (de) * 2017-07-14 2019-01-17 MTU Aero Engines AG Verfahren zum Beschichten eines Bauteils für den Heißgaskanal einer Strömungsmaschine
DE102017213553A1 (de) 2017-08-04 2019-02-07 MTU Aero Engines AG Schaufel für strömungsmaschine mit verschiedenen diffusionsschutzschichten und verfahren zur herstellung
FR3138451A1 (fr) * 2022-07-28 2024-02-02 Safran Procédé d’application de revêtement et aube de turbine avec revêtement appliqué suivant ce procédé

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3874901A (en) * 1973-04-23 1975-04-01 Gen Electric Coating system for superalloys
US3936539A (en) * 1972-05-18 1976-02-03 Alloy Surfaces Company, Inc. High temperature resistant diffusion coating
EP0587341A1 (de) * 1992-09-05 1994-03-16 ROLLS-ROYCE plc Hochtemperatur-korrosionsbeständige zusammengesetzte Beschichtungen
GB2322383A (en) * 1997-02-22 1998-08-26 Rolls Royce Plc A coated superalloy article
EP1001046A1 (de) * 1998-11-13 2000-05-17 Mitsubishi Heavy Industries, Ltd. Hochtemperatur-Korrosions- und abriebsbeständiges beschichtetes Teil und Herstellungsverfahren
GB2401117A (en) * 2003-05-01 2004-11-03 Rolls Royce Plc A method of preventing aluminising and a mask to prevent aluminising

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JPH03503184A (ja) * 1988-02-05 1991-07-18 シーメンス、アクチエンゲゼルシヤフト 金属対象物、特に保護被覆を有するガスタービン翼
US5499905A (en) * 1988-02-05 1996-03-19 Siemens Aktiengesellschaft Metallic component of a gas turbine installation having protective coatings
GB9414858D0 (en) * 1994-07-22 1994-09-14 Baj Coatings Ltd Protective coating
US6129991A (en) * 1994-10-28 2000-10-10 Howmet Research Corporation Aluminide/MCrAlY coating system for superalloys
US5674610A (en) * 1995-03-24 1997-10-07 General Electric Company Method for chromium coating a surface and tape useful in practicing the method
EP0846788A1 (de) * 1996-12-06 1998-06-10 Siemens Aktiengesellschaft Superlegierung mit angereichertem Überzug und Verfahren zur Herstellung
US6296447B1 (en) * 1999-08-11 2001-10-02 General Electric Company Gas turbine component having location-dependent protective coatings thereon
SG96589A1 (en) * 1999-12-20 2003-06-16 United Technologies Corp Methods of providing article with corrosion resistant coating and coated article
US7060366B2 (en) * 2003-02-19 2006-06-13 General Electric Company Article including a substrate with a metallic coating and a chromium-aluminide protective coating thereon, and its preparation and use in component restoration

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3936539A (en) * 1972-05-18 1976-02-03 Alloy Surfaces Company, Inc. High temperature resistant diffusion coating
US3874901A (en) * 1973-04-23 1975-04-01 Gen Electric Coating system for superalloys
EP0587341A1 (de) * 1992-09-05 1994-03-16 ROLLS-ROYCE plc Hochtemperatur-korrosionsbeständige zusammengesetzte Beschichtungen
GB2322383A (en) * 1997-02-22 1998-08-26 Rolls Royce Plc A coated superalloy article
EP1001046A1 (de) * 1998-11-13 2000-05-17 Mitsubishi Heavy Industries, Ltd. Hochtemperatur-Korrosions- und abriebsbeständiges beschichtetes Teil und Herstellungsverfahren
GB2401117A (en) * 2003-05-01 2004-11-03 Rolls Royce Plc A method of preventing aluminising and a mask to prevent aluminising

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007147708A2 (en) * 2006-06-24 2007-12-27 Siemens Aktiengesellschaft Method of protecting a component against hot corrosion and a component protected by said method
WO2007147708A3 (en) * 2006-06-24 2008-03-27 Siemens Ag Method of protecting a component against hot corrosion and a component protected by said method
US8596985B2 (en) 2006-06-24 2013-12-03 Siemens Aktiengesellschaft Method of protecting a component against hot corrosion and a component protected by said method
GB2439313A (en) * 2006-06-24 2007-12-27 Siemens Ag Protecting components against hot corrosion using sequential chromium diffusion coatings and ceramic coatings
RU2442846C2 (ru) * 2006-06-24 2012-02-20 Сименс Акциенгезелльшафт Способ защиты детали от высокотемпературной коррозии и деталь, защищенная указанным способом
GB2439313B (en) * 2006-06-24 2011-11-23 Siemens Ag Method of protecting a component against hot corrosion and a component protected by said method
CN101126146B (zh) * 2007-09-21 2010-06-23 南京利民机械有限责任公司 一种使用井式炉渗铬的方法
EP2072759A2 (de) * 2007-12-19 2009-06-24 General Electric Company Gasturbinenschaufelturbinenschaufel mit mehrschichtiger Schutzumhüllung für die Innenkühlungskanäle
EP2072759A3 (de) * 2007-12-19 2012-12-26 General Electric Company Gasturbinenschaufelturbinenschaufel mit mehrschichtiger Schutzumhüllung für die Innenkühlungskanäle
US20090162209A1 (en) * 2007-12-19 2009-06-25 David John Wortman Turbine engine components with environmental protection for interior passages
US8545185B2 (en) * 2007-12-19 2013-10-01 General Electric Company Turbine engine components with environmental protection for interior passages
WO2009109414A1 (en) * 2008-03-04 2009-09-11 Siemens Aktiengesellschaft A MCrAlY ALLOY, METHODS TO PRODUCE A MCrAlY LAYER AND A HONEYCOMB SEAL
EP2098606A1 (de) * 2008-03-04 2009-09-09 Siemens Aktiengesellschaft MCrAIY-Legierung, Verfahren zur Herstellung einer MCrAIY-Schicht und Wabendichtung
US8708646B2 (en) 2008-03-04 2014-04-29 Siemens Aktiengesellschaft MCrAlY alloy, methods to produce a MCrAlY layer and a honeycomb seal
WO2010022698A1 (de) * 2008-08-27 2010-03-04 Mtu Aero Engines Gmbh Turbinenschaufel einer gasturbine und verfahren zum beschichten einer turbinenschaufel einer gasturbine
EP2572015A1 (de) * 2010-05-17 2013-03-27 Aeromet Technologies, Inc. Chemische gasphasenabscheidung von metallschichten für verbessertes löten
EP2572015A4 (de) * 2010-05-17 2014-04-02 Aeromet Technologies Inc Chemische gasphasenabscheidung von metallschichten für verbessertes löten
US9139903B2 (en) 2010-05-17 2015-09-22 Aeromet Technologies, Inc. Chemical vapor deposition of metal layers for improved brazing
EP2487331A3 (de) * 2011-02-14 2017-03-22 General Electric Company Komponente einer Turbinenschaufelplattform
EP2589754A3 (de) * 2011-11-03 2018-01-24 General Electric Company Laufschaufelkomponent einer Turbomaschine
EP2743369A1 (de) * 2012-12-11 2014-06-18 Siemens Aktiengesellschaft Beschichtungssystem, Verfahren zum Beschichten eines Substrats und Gasturbinenkomponente
WO2014090494A1 (en) * 2012-12-11 2014-06-19 Siemens Aktiengesellschaft Coating system, method of coating a substrate, and gas turbine component
EP3045561A1 (de) * 2015-01-15 2016-07-20 United Technologies Corporation Aufgedampfter nitridfreier chromatbelag
US10968352B2 (en) 2015-01-15 2021-04-06 Raytheon Technologies Corporation Nitride free vapor deposited chromium coating
EP3502314A1 (de) * 2017-12-19 2019-06-26 Siemens Aktiengesellschaft Verbesserungen im zusammenhang mit beschichtungen für metalllegierungskomponenten
WO2019121247A1 (en) * 2017-12-19 2019-06-27 Siemens Aktiengesellschaft Improvements relating to coatings for metal alloy components

Also Published As

Publication number Publication date
WO2006061431A3 (de) 2006-08-24
EP1819906A2 (de) 2007-08-22
GB0427155D0 (en) 2005-01-12
WO2006061431A2 (de) 2006-06-15
US20070264126A1 (en) 2007-11-15

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Legal Events

Date Code Title Description
COOA Change in applicant's name or ownership of the application

Owner name: SIEMENS AKTIENGESELLSCHAFT

Free format text: FORMER APPLICANT(S): SIEMENS INDUSTRIAL TURBOMACHINERY LIMITED

WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)