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FR2935625B1 - Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane - Google Patents

Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane

Info

Publication number
FR2935625B1
FR2935625B1 FR0855963A FR0855963A FR2935625B1 FR 2935625 B1 FR2935625 B1 FR 2935625B1 FR 0855963 A FR0855963 A FR 0855963A FR 0855963 A FR0855963 A FR 0855963A FR 2935625 B1 FR2935625 B1 FR 2935625B1
Authority
FR
France
Prior art keywords
titanium
thermamechanical
superalliation
coated
steel
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
FR0855963A
Other languages
English (en)
Other versions
FR2935625A1 (fr
Inventor
Laurent Ferrer
Claude Marcel Mons
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.)
Safran Aircraft Engines SAS
Original Assignee
SNECMA SAS
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 SNECMA SAS filed Critical SNECMA SAS
Priority to FR0855963A priority Critical patent/FR2935625B1/fr
Priority to PCT/EP2009/061381 priority patent/WO2010026179A1/fr
Priority to US13/060,719 priority patent/US20110211945A1/en
Publication of FR2935625A1 publication Critical patent/FR2935625A1/fr
Application granted granted Critical
Publication of FR2935625B1 publication Critical patent/FR2935625B1/fr
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
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/04—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods
    • B21D39/042—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of tubes with tubes; of tubes with rods using explosives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/04—Shaping in the rough solely by forging or pressing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/01—Layered products comprising a layer of metal all layers being exclusively metallic
    • B32B15/013—Layered products comprising a layer of metal all layers being exclusively metallic one layer being formed of an iron alloy or steel, another layer being formed of a metal other than iron or aluminium
    • 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
    • F01D25/08—Cooling; Heating; Heat-insulation
    • 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
    • F01D25/24—Casings; Casing parts, e.g. diaphragms, casing fastenings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
    • F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
    • F02C7/24—Heat or noise insulation
    • F02C7/25—Fire protection or prevention
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/02—Selection of particular materials
    • F04D29/023—Selection of particular materials especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/40—Casings; Connections of working fluid
    • F04D29/52—Casings; Connections of working fluid for axial pumps
    • F04D29/54—Fluid-guiding means, e.g. diffusers
    • F04D29/541—Specially adapted for elastic fluid pumps
    • F04D29/542—Bladed diffusers
    • 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
    • F05D2230/25—Manufacture essentially without removing material by forging
    • 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
    • F05D2230/26—Manufacture essentially without removing material by rolling
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/13—Refractory metals, i.e. Ti, V, Cr, Zr, Nb, Mo, Hf, Ta, W
    • F05D2300/133—Titanium
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/171—Steel alloys
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/174—Titanium alloys, e.g. TiAl
    • 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
    • F05D2300/10—Metals, alloys or intermetallic compounds
    • F05D2300/17—Alloys
    • F05D2300/175—Superalloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T50/00—Aeronautics or air transport
    • Y02T50/60—Efficient propulsion technologies, e.g. for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
FR0855963A 2008-09-05 2008-09-05 Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane Active FR2935625B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR0855963A FR2935625B1 (fr) 2008-09-05 2008-09-05 Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane
PCT/EP2009/061381 WO2010026179A1 (fr) 2008-09-05 2009-09-03 Procede de fabrication d'une piece thermomecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane obtenu selon ce procede
US13/060,719 US20110211945A1 (en) 2008-09-05 2009-09-03 Method for the manufacture of a circular revolution thermomechanical part including a titanium-based load-bearing substrate lined with steel or superalloy, a turbomachine compressor housing which is resistant to titanium fire obtained according to this method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0855963A FR2935625B1 (fr) 2008-09-05 2008-09-05 Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane

Publications (2)

Publication Number Publication Date
FR2935625A1 FR2935625A1 (fr) 2010-03-12
FR2935625B1 true FR2935625B1 (fr) 2011-09-09

Family

ID=40551056

Family Applications (1)

Application Number Title Priority Date Filing Date
FR0855963A Active FR2935625B1 (fr) 2008-09-05 2008-09-05 Procede de fabrication d'une piece thermamecanique de revolution circulaire comportant un substrat porteur a base de titane revetu d'acier ou superalliage, carter de compresseur de turbomachine resistant au feu de titane

Country Status (3)

Country Link
US (1) US20110211945A1 (fr)
FR (1) FR2935625B1 (fr)
WO (1) WO2010026179A1 (fr)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2951196B1 (fr) 2009-10-12 2011-11-25 Snecma Degazage d'aciers martensitiques inoxydables avant refusion sous laitier
FR2951198B1 (fr) 2009-10-12 2013-05-10 Snecma Traitements thermiques d'aciers martensitiques inoxydables apres refusion sous laitier
FR2951197B1 (fr) 2009-10-12 2011-11-25 Snecma Homogeneisation d'aciers martensitiques inoxydables apres refusion sous laitier
FR2978075B1 (fr) * 2011-07-22 2013-08-16 Snecma Assemblage d'une coque titane et d'une coque alliage resistant au feu titane par deformation superplastique
FR2978077B1 (fr) * 2011-07-22 2013-08-16 Snecma Assemblage d'une coque titane et d'une coque alliage resistant au feu titane par compression isostatique a chaud
WO2013014369A1 (fr) * 2011-07-22 2013-01-31 Snecma Procede d'assemblage d'une coque titane et d'une coque alliage resistant au feu titane
CN106078112B (zh) * 2016-07-21 2018-07-20 滁州南钢盛达实业有限公司 一种h型钢的生产工艺
US11982236B2 (en) 2017-12-22 2024-05-14 General Electric Company Titanium alloy compressor case
US11033992B2 (en) * 2018-10-05 2021-06-15 Pratt & Whitney Canada Corp. Double row compressor stators
GB2627785B (en) * 2023-03-01 2025-04-30 Gkn Aerospace Sweden Ab Bimetallic case

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3137937A (en) * 1960-10-26 1964-06-23 Du Pont Explosive bonding
US3434197A (en) * 1964-08-03 1969-03-25 Singer General Precision Explosive welding
US3403889A (en) * 1966-04-07 1968-10-01 Gen Electric Frame assembly having low thermal stresses
US3360848A (en) * 1966-10-17 1968-01-02 Du Pont Process for explosion-bonding metals
US3798011A (en) * 1969-01-31 1974-03-19 Du Pont Multilayered metal composite
US3728780A (en) * 1970-01-24 1973-04-24 Inst Science And Technology Explosive cladding on geometrically non-uniform metal material
US3854891A (en) * 1972-09-25 1974-12-17 Allegheny Ludlum Ind Inc Titanium composite
US4155680A (en) * 1977-02-14 1979-05-22 General Electric Company Compressor protection means
EP0003078A1 (fr) * 1978-01-17 1979-07-25 Imperial Chemical Industries Plc Perfectionnements au plaquage par explosion
DE3263845D1 (en) * 1981-03-05 1985-07-04 Asahi Chemical Ind Titanium clad steel plate
DE3407945A1 (de) * 1984-03-03 1985-09-05 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Verfahren und mittel zur vermeidung der entstehung von titanfeuer
DE3407946A1 (de) * 1984-03-03 1985-09-05 MTU Motoren- und Turbinen-Union München GmbH, 8000 München Einrichtung zur verhinderung der ausbreitung von titanfeuer bei turbomaschinen, insbesondere gasturbinen- bzw. gasturbinenstrahltriebwerken
GB8720248D0 (en) * 1987-08-27 1987-10-07 Imi Titanium Ltd Turbines
DE3926151C1 (fr) * 1989-02-28 1990-05-10 Mtu Muenchen Gmbh
US5074970A (en) * 1989-07-03 1991-12-24 Kostas Routsis Method for applying an abrasive layer to titanium alloy compressor airfoils
US5210945A (en) * 1991-05-22 1993-05-18 Ngk Spark Plug Co., Ltd. Method of assembly of a rotary shaft in a ball-bearing type turbocharger
GB9121147D0 (en) * 1991-10-04 1991-11-13 Ici Plc Method for producing clad metal plate
AU1875595A (en) * 1994-02-16 1995-09-04 Sohl, Charles E. Coating scheme to contain molten material during gas turbine engine fires
GB9823267D0 (en) * 1998-10-24 1998-12-16 Hardwick Roy Method of producing a metal composites which can be processed at high temperatures
GB9824611D0 (en) * 1998-11-11 1999-01-06 Rolls Royce Plc A beta titanium alloy
FR2794816B1 (fr) * 1999-06-10 2001-07-06 Snecma Stator de compresseur a haute pression
GB0116988D0 (en) * 2000-08-11 2001-09-05 Rolls Royce Plc A gas turbine engine blade containment assembly
GB0300014D0 (en) * 2003-01-02 2003-02-05 Hardwick Roy Method of producing explosively bonded interfaces which are waveless when using explosives of higher detonation velocity which normally produce waves
CA2420117A1 (fr) * 2003-02-17 2004-08-17 Sigmabond Technologies Corporation Methode de production de composites metalliques comprenant des metaux incompatibles
WO2005068845A1 (fr) * 2004-01-14 2005-07-28 Ishikawajima-Harima Heavy Industries Co., Ltd. Compresseur, ailette de rotor fabriquee en titane, procede de fabrication de moteur a reaction et d'ailette de rotor en titane
US7575418B2 (en) * 2004-09-30 2009-08-18 General Electric Company Erosion and wear resistant protective structures for turbine components
US7530485B1 (en) * 2006-02-07 2009-05-12 High Energy Metals, Inc. Method for explosive bonding of tubular metal liners
US8950069B2 (en) * 2006-12-29 2015-02-10 Rolls-Royce North American Technologies, Inc. Integrated compressor vane casing
DE102008019296A1 (de) * 2008-04-16 2009-10-22 Rolls-Royce Deutschland Ltd & Co Kg Verfahren zur Herstellung eines Feuerschutzes für aus Titan bestehende Bauteilkörper einer Fluggasturbine und Bauteilkörper aus Titan für eine Fluggasturbine

Also Published As

Publication number Publication date
FR2935625A1 (fr) 2010-03-12
US20110211945A1 (en) 2011-09-01
WO2010026179A1 (fr) 2010-03-11

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