EP1340832A1 - Dünne Produkte aus Beta- oder quasi Beta-Titan-Legierungen, Herstellung durch Schmieden - Google Patents

Dünne Produkte aus Beta- oder quasi Beta-Titan-Legierungen, Herstellung durch Schmieden Download PDF

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Publication number
EP1340832A1
EP1340832A1 EP03290458A EP03290458A EP1340832A1 EP 1340832 A1 EP1340832 A1 EP 1340832A1 EP 03290458 A EP03290458 A EP 03290458A EP 03290458 A EP03290458 A EP 03290458A EP 1340832 A1 EP1340832 A1 EP 1340832A1
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EP
European Patent Office
Prior art keywords
forging
transus
hot
product
super
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.)
Granted
Application number
EP03290458A
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English (en)
French (fr)
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EP1340832B1 (de
Inventor
Blandine Barbier
Agathe Venard
Philippe Gallois
Pascal Vignolles
Claude 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 Moteurs SA
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Publication date
Application filed by SNECMA Moteurs SA filed Critical SNECMA Moteurs SA
Publication of EP1340832A1 publication Critical patent/EP1340832A1/de
Application granted granted Critical
Publication of EP1340832B1 publication Critical patent/EP1340832B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
    • B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/16—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of other metals or alloys based thereon
    • C22F1/18—High-melting or refractory metals or alloys based thereon
    • C22F1/183—High-melting or refractory metals or alloys based thereon of titanium or alloys based thereon

Definitions

  • the present invention relates to thin products in titanium alloys ⁇ or quasi ⁇ as well as the manufacture by forging of said thin products.
  • blades made of ⁇ or quasi ⁇ titanium alloys efficient (with good metallurgical health and good mechanical characteristics) were obtained by forging (i.e. with material saving, compared to the machining technique, conventionally implemented). Said blades also have durations of life superior to that of blades obtained by machining; they can also be obtained with optimized geometries, allowing improve aerodynamics, therefore engine performance in which they are likely to intervene.
  • the invention was therefore conceived and developed, in a manner not obvious, in this context of bladed disc manufacturing monoblocks (DAM). However, it is by no means limited to said context; it is also expressed quite naturally in more or less less closely related, such as the manufacture of one-piece bladed rings (ANAM), those for the repair of said monoblock bladed discs (DAM) and monoblock bladed rings (ANAM), and more generally that of the manufacture of ⁇ or quasi ⁇ titanium thin products.
  • ANAM one-piece bladed rings
  • ANAM monoblock bladed discs
  • ANAM monoblock bladed rings
  • the said products constitute the first object of this invention.
  • the controlled forging process which leads to said products in is the second object.
  • the present invention therefore relates to manufactured, non-axisymmetric products (wires are thus excluded), less than 10 mm thick (these 10 mm specify the concepts of "thin”, “thin products”, used in this text), made of ⁇ or quasi ⁇ titanium alloys, the microstructure of which is made up of whole grains with a slenderness rate higher than 4 and an equivalent diameter between 10 and 300 ⁇ m.
  • Titanium alloys ⁇ or quasi ⁇ are familiar to those skilled in the art. They present a compact hexagonal structure. They are perfectly defined, in particular in American Handbooks (US): ASMH (AMERICAN SOCIETY MATERIAL HANDBOOK) and MILH (MILITARY HANDBOOK). Their use is, to date, confined to the manufacture of forgings massive or very thick.
  • manufactured products from the invention are thin products which bear the heredity of their manufacturing process, based on one or more forging operations.
  • Their microstructure at heart is original.
  • the grains of said core microstructure have been wrought.
  • slenderness rate greater than 4; said rate of slenderness being conventionally defined as the ratio of the most large dimension on the smallest dimension in the cutting plane axial.
  • the manufactured products of the invention by the characteristics set out above, are new products. These new products are likely to be obtained by forging. As explained previously, there was a real bias to seek thin structures by forging thicker to coarse structures grains and, surprisingly enough, such thin structures have been shown to have very interesting features.
  • the manufactured products of the invention consist advantageously in the blades of turbomachine compressors.
  • the invention is however not limited to this context.
  • the products involved may also consist of propellers, submarines in particular, in blades of fans or mixers (likely to intervene in circles justifying the constitution said blades made of ⁇ or quasi ⁇ titanium alloys). This list cannot be exhaustive.
  • the manufactured products of the invention are made of Ti 17 alloy.
  • This alloy familiar to those skilled in the art, is used today to manufacture massive parts, in particular compressor disks. It has high flow constraints and also has the reputation of being difficult to forge.
  • the inventors have, in the context of the presently claimed invention, forged thin parts, in said Ti 17 alloy, with high degree of wrought; said forgings having high mechanical properties.
  • the product to be forged is, conventionally, previously enamelled.
  • Said product generally consists of a semi-finished product, obtained by spinning or forging a starting material with a larger diameter equivalent (thicker). It can in particular be a bar (having, for example, a diameter of 25 mm), obtained by spinning a billet. Titanium alloys ⁇ or close ⁇ indeed exist mainly in the form of such billets (intended for the manufacture compression discs by machining).
  • This enameled product generally therefore semi-enameled product, with a diameter (equivalent) of less than 100 mm, is, according to the invention, transformed by forging into a thick manufactured product less than 10 mm.
  • the reduction rate at each heat is greater than or equal (advantageously greater) to 2 and the forging speeds (or crushing speeds) are between 1 and 1.10 -5 s -1 .
  • the forging operation can absolutely be limited to both hot, as specified above (the second of said two hot being imperatively a hot in super transus ⁇ ). It can include an additional hot, in sub or super ⁇ transus, before the last (third) hot in super ⁇ transus. It is not totally excluded that it includes more than three hot ones (the last of these hot ones being imperative a hot in super transus ⁇ ) but the advantage of multiplying thus the number of hot is not obvious.
  • the forging operation therefore generally includes two or three hot, implemented under the conditions specified above.
  • the forged product is possibly re-enamelled between two successive warms.
  • the matrix is kept at a temperature between 100 and 700 ° C.
  • the forging operation is conventionally followed by quenching (usually immediately followed by such quenching).
  • quenching can in particular be carried out under forced air, under air calm, in an oil bath or on a matrix. It is advantageously put implemented under conditions which induce a speed of cooling less than or equal to that induced by quenching in a oil bath.
  • the income of the forged, quenched product is advantageously put used at a temperature between 620 and 750 ° C, for 3 to 5 a.m.
  • Example Manufacture of a Ti 17 blade by forging.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
EP03290458A 2002-03-01 2003-02-27 Dünne Produkte aus Beta- oder quasi Beta-Titan-Legierungen, Herstellung durch Schmieden Expired - Lifetime EP1340832B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0202602 2002-03-01
FR0202602A FR2836640B1 (fr) 2002-03-01 2002-03-01 Produits minces en alliages de titane beta ou quasi beta fabrication par forgeage

Publications (2)

Publication Number Publication Date
EP1340832A1 true EP1340832A1 (de) 2003-09-03
EP1340832B1 EP1340832B1 (de) 2007-04-11

Family

ID=27676204

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03290458A Expired - Lifetime EP1340832B1 (de) 2002-03-01 2003-02-27 Dünne Produkte aus Beta- oder quasi Beta-Titan-Legierungen, Herstellung durch Schmieden

Country Status (7)

Country Link
US (2) US7037389B2 (de)
EP (1) EP1340832B1 (de)
JP (1) JP4022482B2 (de)
DE (1) DE60313065T2 (de)
FR (1) FR2836640B1 (de)
RU (1) RU2303642C2 (de)
UA (1) UA77399C2 (de)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2923741A1 (fr) * 2007-11-19 2009-05-22 Snecma Services Sa Procede de reparation d'une piece thermomecanique par un faisceau de haute energie
WO2010031982A1 (fr) * 2008-09-22 2010-03-25 Snecma Procede de forgeage d'une piece thermomecanique en alliage de titane.
FR2982279A1 (fr) * 2011-11-08 2013-05-10 Snecma Procede de fabrication d'une piece realisee dans un alliage de titane ta6zr4de

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040221929A1 (en) 2003-05-09 2004-11-11 Hebda John J. Processing of titanium-aluminum-vanadium alloys and products made thereby
FR2864107B1 (fr) * 2003-12-22 2006-08-04 Univ Metz Fil en alliage de titane beta pour orthodontie, et procede d'obtention d'un tel fil.
US7837812B2 (en) 2004-05-21 2010-11-23 Ati Properties, Inc. Metastable beta-titanium alloys and methods of processing the same by direct aging
US7195455B2 (en) * 2004-08-17 2007-03-27 General Electric Company Application of high strength titanium alloys in last stage turbine buckets having longer vane lengths
US8661869B2 (en) * 2005-11-04 2014-03-04 Cyril Bath Company Stretch forming apparatus with supplemental heating and method
US10053758B2 (en) 2010-01-22 2018-08-21 Ati Properties Llc Production of high strength titanium
US9255316B2 (en) 2010-07-19 2016-02-09 Ati Properties, Inc. Processing of α+β titanium alloys
US9206497B2 (en) 2010-09-15 2015-12-08 Ati Properties, Inc. Methods for processing titanium alloys
US8613818B2 (en) 2010-09-15 2013-12-24 Ati Properties, Inc. Processing routes for titanium and titanium alloys
US10513755B2 (en) 2010-09-23 2019-12-24 Ati Properties Llc High strength alpha/beta titanium alloy fasteners and fastener stock
US8652400B2 (en) 2011-06-01 2014-02-18 Ati Properties, Inc. Thermo-mechanical processing of nickel-base alloys
RU2478130C1 (ru) * 2011-10-21 2013-03-27 Федеральное государственное бюджетное образовательное учреждение высшего профессионального образования "Уфимский государственный авиационный технический университет" Бета-титановый сплав и способ его термомеханической обработки
US9050647B2 (en) 2013-03-15 2015-06-09 Ati Properties, Inc. Split-pass open-die forging for hard-to-forge, strain-path sensitive titanium-base and nickel-base alloys
US9869003B2 (en) 2013-02-26 2018-01-16 Ati Properties Llc Methods for processing alloys
US9192981B2 (en) 2013-03-11 2015-11-24 Ati Properties, Inc. Thermomechanical processing of high strength non-magnetic corrosion resistant material
US9777361B2 (en) 2013-03-15 2017-10-03 Ati Properties Llc Thermomechanical processing of alpha-beta titanium alloys
US10604823B2 (en) * 2013-06-05 2020-03-31 Kobe Steel, Ltd. Forged titanium alloy material and method for producing same, and ultrasonic inspection method
US11111552B2 (en) 2013-11-12 2021-09-07 Ati Properties Llc Methods for processing metal alloys
FR3024160B1 (fr) * 2014-07-23 2016-08-19 Messier Bugatti Dowty Procede d'elaboration d`une piece en alliage metallique
US10094003B2 (en) 2015-01-12 2018-10-09 Ati Properties Llc Titanium alloy
US10502252B2 (en) 2015-11-23 2019-12-10 Ati Properties Llc Processing of alpha-beta titanium alloys

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854977A (en) * 1987-04-16 1989-08-08 Compagnie Europeenne Du Zirconium Cezus Process for treating titanium alloy parts for use as compressor disks in aircraft propulsion systems
EP0852164A1 (de) * 1995-09-13 1998-07-08 Kabushiki Kaisha Toshiba Verfahren zum herstellen einer turbinenschaufel aus titanlegierung und titanlegierungsturbinenschaufel
EP0980961A1 (de) * 1998-08-07 2000-02-23 Hitachi, Ltd. Dampfturbinenschaufel und Verfahren zu deren Herstellung
US6110302A (en) * 1996-12-24 2000-08-29 General Electric Company Dual-property alpha-beta titanium alloy forgings
EP1127949A2 (de) * 2000-02-23 2001-08-29 Mitsubishi Heavy Industries, Ltd. TiAl-basierte Legierung, Verfahren zu deren Herstellung und Rotorblatt daraus
US6284071B1 (en) * 1996-12-27 2001-09-04 Daido Steel Co., Ltd. Titanium alloy having good heat resistance and method of producing parts therefrom
US20010050117A1 (en) * 1998-05-28 2001-12-13 Kabushiki Kaisha Kobe Seiko Sho Titanium alloy and production thereof

Family Cites Families (1)

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US5026520A (en) * 1989-10-23 1991-06-25 Cooper Industries, Inc. Fine grain titanium forgings and a method for their production

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4854977A (en) * 1987-04-16 1989-08-08 Compagnie Europeenne Du Zirconium Cezus Process for treating titanium alloy parts for use as compressor disks in aircraft propulsion systems
EP0852164A1 (de) * 1995-09-13 1998-07-08 Kabushiki Kaisha Toshiba Verfahren zum herstellen einer turbinenschaufel aus titanlegierung und titanlegierungsturbinenschaufel
US6110302A (en) * 1996-12-24 2000-08-29 General Electric Company Dual-property alpha-beta titanium alloy forgings
US6284071B1 (en) * 1996-12-27 2001-09-04 Daido Steel Co., Ltd. Titanium alloy having good heat resistance and method of producing parts therefrom
US20010050117A1 (en) * 1998-05-28 2001-12-13 Kabushiki Kaisha Kobe Seiko Sho Titanium alloy and production thereof
EP0980961A1 (de) * 1998-08-07 2000-02-23 Hitachi, Ltd. Dampfturbinenschaufel und Verfahren zu deren Herstellung
EP1127949A2 (de) * 2000-02-23 2001-08-29 Mitsubishi Heavy Industries, Ltd. TiAl-basierte Legierung, Verfahren zu deren Herstellung und Rotorblatt daraus

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2923741A1 (fr) * 2007-11-19 2009-05-22 Snecma Services Sa Procede de reparation d'une piece thermomecanique par un faisceau de haute energie
WO2010031982A1 (fr) * 2008-09-22 2010-03-25 Snecma Procede de forgeage d'une piece thermomecanique en alliage de titane.
FR2936172A1 (fr) * 2008-09-22 2010-03-26 Snecma Procede de forgeage d'une piece thermomecanique en alliage de titane
CN102159340A (zh) * 2008-09-22 2011-08-17 斯奈克玛 一种铸造钛合金制造的热机械部件的方法
RU2510680C2 (ru) * 2008-09-22 2014-04-10 Снекма Способ ковки термомеханической детали, выполненной из титанового сплава
CN102159340B (zh) * 2008-09-22 2014-08-27 斯奈克玛 一种锻造钛合金制造的热机械部件的方法
FR2982279A1 (fr) * 2011-11-08 2013-05-10 Snecma Procede de fabrication d'une piece realisee dans un alliage de titane ta6zr4de
WO2013068699A1 (fr) * 2011-11-08 2013-05-16 Snecma PROCEDE DE FABRICATION D'UNE PIECE REALISEE DANS UN ALLIAGE DE TITANE TA6Zr4DE
CN103906851A (zh) * 2011-11-08 2014-07-02 斯奈克玛 一种制造由TA6Zr4DE钛合金制成的部件的方法
CN103906851B (zh) * 2011-11-08 2016-10-26 斯奈克玛 一种制造由TA6Zr4DE钛合金制成的部件的方法

Also Published As

Publication number Publication date
JP2003253361A (ja) 2003-09-10
US20060157170A1 (en) 2006-07-20
DE60313065T2 (de) 2008-01-03
DE60313065D1 (de) 2007-05-24
US20030209298A1 (en) 2003-11-13
UA77399C2 (uk) 2006-12-15
FR2836640B1 (fr) 2004-09-10
JP4022482B2 (ja) 2007-12-19
FR2836640A1 (fr) 2003-09-05
RU2303642C2 (ru) 2007-07-27
US7037389B2 (en) 2006-05-02
EP1340832B1 (de) 2007-04-11
US7422644B2 (en) 2008-09-09

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