SG114762A1 - High modulus metallic component for high vibratory operation - Google Patents

High modulus metallic component for high vibratory operation

Info

Publication number
SG114762A1
SG114762A1 SG200501174A SG200501174A SG114762A1 SG 114762 A1 SG114762 A1 SG 114762A1 SG 200501174 A SG200501174 A SG 200501174A SG 200501174 A SG200501174 A SG 200501174A SG 114762 A1 SG114762 A1 SG 114762A1
Authority
SG
Singapore
Prior art keywords
metallic component
vibratory operation
modulus metallic
high modulus
vibratory
Prior art date
Application number
SG200501174A
Other languages
English (en)
Inventor
M Shah Dilip
D Cetel Alan
W Stoner Alan
P Allen William
Original Assignee
United Technologies 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 United Technologies Corp filed Critical United Technologies Corp
Publication of SG114762A1 publication Critical patent/SG114762A1/en

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/057Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being less 10%
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B11/00Single-crystal growth by normal freezing or freezing under temperature gradient, e.g. Bridgman-Stockbarger method
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/52Alloys
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/28Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/50Intrinsic material properties or characteristics
    • F05D2300/501Elasticity
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2300/00Materials; Properties thereof
    • F05D2300/60Properties or characteristics given to material by treatment or manufacturing
    • F05D2300/606Directionally-solidified crystalline structures
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S416/00Fluid reaction surfaces, i.e. impellers
    • Y10S416/50Vibration damping features
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/49Method of mechanical manufacture
    • Y10T29/49316Impeller making
    • Y10T29/49336Blade making
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12861Group VIII or IB metal-base component
    • Y10T428/12931Co-, Fe-, or Ni-base components, alternative to each other
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/12All metal or with adjacent metals
    • Y10T428/12493Composite; i.e., plural, adjacent, spatially distinct metal components [e.g., layers, joint, etc.]
    • Y10T428/12771Transition metal-base component
    • Y10T428/12861Group VIII or IB metal-base component
    • Y10T428/12944Ni-base component

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Heat Treatment Of Articles (AREA)
SG200501174A 2004-03-02 2005-03-01 High modulus metallic component for high vibratory operation SG114762A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/791,421 US7338259B2 (en) 2004-03-02 2004-03-02 High modulus metallic component for high vibratory operation

Publications (1)

Publication Number Publication Date
SG114762A1 true SG114762A1 (en) 2005-09-28

Family

ID=34750587

Family Applications (1)

Application Number Title Priority Date Filing Date
SG200501174A SG114762A1 (en) 2004-03-02 2005-03-01 High modulus metallic component for high vibratory operation

Country Status (5)

Country Link
US (2) US7338259B2 (de)
EP (1) EP1571297B1 (de)
JP (1) JP2005248955A (de)
KR (1) KR20060041969A (de)
SG (1) SG114762A1 (de)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7338259B2 (en) * 2004-03-02 2008-03-04 United Technologies Corporation High modulus metallic component for high vibratory operation
US20050227106A1 (en) * 2004-04-08 2005-10-13 Schlichting Kevin W Single crystal combustor panels having controlled crystallographic orientation
US7476450B2 (en) * 2006-03-24 2009-01-13 United Technologies Corporation Coating suitable for use as a bondcoat in a thermal barrier coating system
GB0611926D0 (en) * 2006-06-16 2006-07-26 Rolls Royce Plc Welding of single crystal alloys
US20080182026A1 (en) * 2007-01-31 2008-07-31 Honeywell International, Inc. Reactive element-modified aluminide coating for gas turbine airfoils
JP4982324B2 (ja) * 2007-10-19 2012-07-25 株式会社日立製作所 Ni基鍛造合金、蒸気タービンプラント用鍛造部品、蒸気タービンプラント用ボイラチューブ、蒸気タービンプラント用ボルト及び蒸気タービンロータ
US20140174056A1 (en) 2008-06-02 2014-06-26 United Technologies Corporation Gas turbine engine with low stage count low pressure turbine
US8128021B2 (en) 2008-06-02 2012-03-06 United Technologies Corporation Engine mount system for a turbofan gas turbine engine
US20090317287A1 (en) * 2008-06-24 2009-12-24 Honeywell International Inc. Single crystal nickel-based superalloy compositions, components, and manufacturing methods therefor
US8602733B2 (en) * 2008-06-27 2013-12-10 Trane International, Inc. Structural and acoustical vibration dampener for a rotatable blade
US8313303B2 (en) * 2008-07-08 2012-11-20 Trane International Inc. Acoustical vibration dampener for a rotatable blade
US20100135846A1 (en) * 2008-12-01 2010-06-03 United Technologies Corporation Lower cost high strength single crystal superalloys with reduced re and ru content
IT1394975B1 (it) 2009-07-29 2012-08-07 Nuovo Pignone Spa Superlega a base di nichel, componente meccanico realizzato con detta superlega, turbomacchina comprendente tale componente e metodi relativi
JP5165008B2 (ja) * 2010-02-05 2013-03-21 株式会社日立製作所 Ni基鍛造合金と、それを用いた蒸気タービンプラント用部品
US9239012B2 (en) 2011-06-08 2016-01-19 United Technologies Corporation Flexible support structure for a geared architecture gas turbine engine
US9631558B2 (en) 2012-01-03 2017-04-25 United Technologies Corporation Geared architecture for high speed and small volume fan drive turbine
JP5597598B2 (ja) * 2011-06-10 2014-10-01 株式会社日立製作所 Ni基超合金と、それを用いたガスタービンのタービン動・静翼
US10125693B2 (en) 2012-04-02 2018-11-13 United Technologies Corporation Geared turbofan engine with power density range
US8756908B2 (en) 2012-05-31 2014-06-24 United Technologies Corporation Fundamental gear system architecture
US8572943B1 (en) 2012-05-31 2013-11-05 United Technologies Corporation Fundamental gear system architecture
US20150308351A1 (en) 2012-05-31 2015-10-29 United Technologies Corporation Fundamental gear system architecture
US9551049B2 (en) 2012-08-28 2017-01-24 United Technologies Corporation High elastic modulus shafts and method of manufacture
JP6045857B2 (ja) * 2012-08-31 2016-12-14 三菱日立パワーシステムズ株式会社 高強度Ni基超合金と、それを用いたガスタービンのタービン動翼
CN104662274B (zh) * 2012-09-28 2017-06-13 联合工艺公司 通过增材制造技术制备的超级冷却的涡轮区段组件
US8858876B2 (en) 2012-10-31 2014-10-14 General Electric Company Nickel-based superalloy and articles
EP3513889B1 (de) * 2012-12-14 2021-04-14 Raytheon Technologies Corporation Legierung und hybridturbinenschaufel für verbesserte motorleistung oder -architektur
EP2949882B1 (de) 2013-06-03 2017-08-23 United Technologies Corporation Getriebearchitektur für den bläserantrieb mittels einer kleinvolumigen und mit hochgeschwindigkeit laufender turbine
SG10201705204XA (en) 2013-09-24 2017-07-28 United Technologies Corp Fundamental gear system architecture
US10370984B2 (en) * 2013-12-06 2019-08-06 United Technologies Corporation Aluminum alloy airfoil with designed crystallographic texture
US20160348216A1 (en) * 2014-12-16 2016-12-01 Honeywell International Inc. Nickel-based superalloys and additive manufacturing processes using nickel-based superalloys
US10577948B2 (en) * 2015-10-29 2020-03-03 MTU Aero Engines AG Turbine blade and aircraft engine comprising same
KR101785333B1 (ko) 2015-11-18 2017-11-15 한국기계연구원 니켈기 초내열합금 및 이의 제조방법
ITUA20161551A1 (it) 2016-03-10 2017-09-10 Nuovo Pignone Tecnologie Srl Lega avente elevata resistenza all’ossidazione ed applicazioni di turbine a gas che la impiegano
US10245637B2 (en) 2016-08-26 2019-04-02 United Technologies Corporation Low modulus shot sleeve for high temperature die casting
KR102340057B1 (ko) * 2017-11-21 2021-12-17 한국재료연구원 니켈기 단결정 초내열합금 및 이의 제조방법
DE102018202725A1 (de) 2018-02-22 2019-08-22 MTU Aero Engines AG Anordnung von Schaufeln in einem Schaufelkranz auf Grundlage einer primären Kristallorientierung
FR3081883B1 (fr) * 2018-06-04 2020-08-21 Safran Superalliage a base de nickel, aube monocristalline et turbomachine
US11306595B2 (en) 2018-09-14 2022-04-19 Raytheon Technologies Corporation Wrought root blade manufacture methods
RU2710759C1 (ru) * 2019-03-06 2020-01-13 Акционерное общество "Объединенная двигателестроительная корпорация" (АО "ОДК") Жаропрочный сплав на никелевой основе и изделие, выполненное из него
CN110468305A (zh) * 2019-08-26 2019-11-19 飞而康快速制造科技有限责任公司 一种镍基高温合金及其制备方法
US11499431B2 (en) 2021-01-06 2022-11-15 General Electric Company Engine component with structural segment
US11739398B2 (en) 2021-02-11 2023-08-29 General Electric Company Nickel-based superalloy
CN114686731B (zh) * 2022-04-12 2022-11-22 北航(四川)西部国际创新港科技有限公司 一种单晶高温合金及其制备方法和应用
CN115169162B (zh) * 2022-09-06 2023-02-03 上海秦耀航空试验技术有限公司 飞机振动环境预计方法、装置及计算机可读存储介质

Family Cites Families (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1793672A (en) 1926-02-16 1931-02-24 Percy W Bridgman Crystals and their manufacture
US3453723A (en) * 1966-01-03 1969-07-08 Texas Instruments Inc Electron beam techniques in integrated circuits
US3572733A (en) * 1969-01-02 1971-03-30 Gen Electric Shaft seal used in gas turbine engines
US3712368A (en) 1971-12-01 1973-01-23 United Aircraft Corp Apparatus for making directionally solidified castings
US3857436A (en) * 1973-02-13 1974-12-31 D Petrov Method and apparatus for manufacturing monocrystalline articles
US4116723A (en) * 1976-11-17 1978-09-26 United Technologies Corporation Heat treated superalloy single crystal article and process
IL65014A0 (en) * 1981-03-02 1982-04-30 Trw Inc Method of casting an article
EP0066971A3 (de) * 1981-06-08 1983-03-16 Trw Inc. Verfahren zum Giessen eines Gegenstandes
US4518442A (en) * 1981-11-27 1985-05-21 United Technologies Corporation Method of producing columnar crystal superalloy material with controlled orientation and product
US4475582A (en) 1982-01-27 1984-10-09 United Technologies Corporation Casting a metal single crystal article using a seed crystal and a helix
EP0100150A3 (de) * 1982-07-28 1984-08-29 Trw Inc. Metallische einkristalline Luftschaufel
US4612969A (en) 1983-04-27 1986-09-23 Howmet Turbine Components Corporation Method of and apparatus for casting articles with predetermined crystalline orientation
US4529452A (en) * 1984-07-30 1985-07-16 United Technologies Corporation Process for fabricating multi-alloy components
US4719080A (en) * 1985-06-10 1988-01-12 United Technologies Corporation Advanced high strength single crystal superalloy compositions
US4915907A (en) * 1986-04-03 1990-04-10 United Technologies Corporation Single crystal articles having reduced anisotropy
US4921405A (en) * 1988-11-10 1990-05-01 Allied-Signal Inc. Dual structure turbine blade
US5062469A (en) 1989-07-19 1991-11-05 Pcc Airfoils, Inc. Mold and method for casting a single crystal metal article
US5113583A (en) * 1990-09-14 1992-05-19 United Technologies Corporation Integrally bladed rotor fabrication
DE4039808C1 (de) 1990-12-13 1992-01-02 Mtu Muenchen Gmbh
US5292385A (en) * 1991-12-18 1994-03-08 Alliedsignal Inc. Turbine rotor having improved rim durability
US5346184A (en) 1993-05-18 1994-09-13 The Regents Of The University Of Michigan Method and apparatus for rapidly solidified ingot production
EP0637476B1 (de) * 1993-08-06 2000-02-23 Hitachi, Ltd. Gasturbinenschaufel, Verfahren zur Herstellung derselben sowie Gasturbine mit dieser Schaufel
US6035407A (en) * 1995-08-14 2000-03-07 Compaq Computer Corporation Accomodating components
US5767790A (en) * 1996-03-07 1998-06-16 Jovellana; Bartolome D. Automatic utility meter monitor
US5843586A (en) * 1997-01-17 1998-12-01 General Electric Company Single-crystal article having crystallographic orientation optimized for a thermal barrier coating
US6000034A (en) * 1997-05-06 1999-12-07 Power Measurement Ltd. Security system and method for revenue class electricity meter
US6262672B1 (en) * 1998-08-14 2001-07-17 General Electric Company Reduced cost automatic meter reading system and method using locally communicating utility meters
US6557618B1 (en) 1997-09-12 2003-05-06 General Electric Company Apparatus and method for producing castings with directional and single crystal structure and the article according to the method
EP1076119A1 (de) 1999-08-11 2001-02-14 ABB Alstom Power (Schweiz) AG Vorrichtung und Verfahren zur Herstellung eines säulenförmigen körnigen Gegenstandes durch gerichtete Erstarrung
US6497272B1 (en) 1999-10-14 2002-12-24 Howmet Research Corporation Single crystal casting mold
DE10033688B4 (de) * 2000-07-11 2008-04-24 Alstom Technology Ltd. Verfahren zur Herstellung von gerichtet erstarrten Gussteilen
US20020074102A1 (en) 2000-12-14 2002-06-20 Wang John Zhiqiang Method using secondary orientation to tune bucket natural frequency
US7338259B2 (en) * 2004-03-02 2008-03-04 United Technologies Corporation High modulus metallic component for high vibratory operation

Also Published As

Publication number Publication date
US7338259B2 (en) 2008-03-04
EP1571297A3 (de) 2008-11-05
KR20060041969A (ko) 2006-05-12
US20050196268A1 (en) 2005-09-08
EP1571297B1 (de) 2015-11-18
JP2005248955A (ja) 2005-09-15
US7871247B2 (en) 2011-01-18
US20090297359A1 (en) 2009-12-03
EP1571297A2 (de) 2005-09-07

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