DE3474660D1 - A metal-ceramic composite body and a method of manufacturing the same - Google Patents

A metal-ceramic composite body and a method of manufacturing the same

Info

Publication number
DE3474660D1
DE3474660D1 DE8484307722T DE3474660T DE3474660D1 DE 3474660 D1 DE3474660 D1 DE 3474660D1 DE 8484307722 T DE8484307722 T DE 8484307722T DE 3474660 T DE3474660 T DE 3474660T DE 3474660 D1 DE3474660 D1 DE 3474660D1
Authority
DE
Germany
Prior art keywords
projection
metal
composite body
ceramic
ceramic composite
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.)
Expired
Application number
DE8484307722T
Other languages
English (en)
Inventor
Nobuo Tsuno
Yoshihiko Ishida
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.)
NGK Insulators Ltd
Original Assignee
NGK Insulators 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 NGK Insulators Ltd filed Critical NGK Insulators Ltd
Application granted granted Critical
Publication of DE3474660D1 publication Critical patent/DE3474660D1/de
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F01D5/02Blade-carrying members, e.g. rotors
    • F01D5/025Fixing blade carrying members on shafts
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B37/00Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C04B37/02Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
    • C04B37/021Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles in a direct manner, e.g. direct copper bonding [DCB]
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B4/00Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6562Heating rate
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32Ceramic
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32Ceramic
    • C04B2237/36Non-oxidic
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32Ceramic
    • C04B2237/36Non-oxidic
    • C04B2237/368Silicon nitride
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/40Metallic
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/40Metallic
    • C04B2237/403Refractory metals
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/40Metallic
    • C04B2237/405Iron metal group, e.g. Co or Ni
    • C04B2237/406Iron, e.g. steel
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/56Using constraining layers before or during sintering
    • C04B2237/568Using constraining layers before or during sintering made of non-oxide ceramics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/10Details of socket shapes
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16BDEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/85Ceramic-to-metal-connections
    • 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
    • Y10T403/00Joints and connections
    • Y10T403/21Utilizing thermal characteristic, e.g., expansion or contraction, etc.
    • Y10T403/217Members having different coefficients of expansion
    • 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
    • Y10T403/00Joints and connections
    • Y10T403/48Shrunk fit

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Products (AREA)
  • Ceramic Capacitors (AREA)
  • Supercharger (AREA)
DE8484307722T 1983-11-09 1984-11-08 A metal-ceramic composite body and a method of manufacturing the same Expired DE3474660D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58209226A JPS60103082A (ja) 1983-11-09 1983-11-09 金属・セラミツクス結合体およびその製造法

Publications (1)

Publication Number Publication Date
DE3474660D1 true DE3474660D1 (en) 1988-11-24

Family

ID=16569436

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484307722T Expired DE3474660D1 (en) 1983-11-09 1984-11-08 A metal-ceramic composite body and a method of manufacturing the same

Country Status (6)

Country Link
US (1) US4614453A (de)
EP (1) EP0142334B1 (de)
JP (1) JPS60103082A (de)
AT (1) ATE38027T1 (de)
CA (1) CA1230710A (de)
DE (1) DE3474660D1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6050204A (ja) * 1983-08-31 1985-03-19 Ngk Insulators Ltd 金属・セラミツクス結合体およびその製造法
US4719074A (en) * 1984-03-29 1988-01-12 Ngk Insulators, Ltd. Metal-ceramic composite article and a method of producing the same
EP0157479B1 (de) * 1984-03-29 1989-07-19 Ngk Insulators, Ltd. Metall-Keramikverbundkörper und Verfahren zu seiner Herstellung
JPS6140879A (ja) * 1984-08-03 1986-02-27 日本碍子株式会社 金属・セラミツクス結合体およびその製造法
JPS60226464A (ja) * 1984-04-20 1985-11-11 日本特殊陶業株式会社 セラミックと金属との接合構造
JPS613901U (ja) * 1984-06-13 1986-01-11 トヨタ自動車株式会社 タ−ボチヤ−ジヤのタ−ビンホイ−ル構造
DE3545135A1 (de) * 1984-12-19 1986-06-26 Honda Giken Kogyo K.K., Tokio/Tokyo Fittingeinheit
JPS61215270A (ja) * 1985-03-15 1986-09-25 日本特殊陶業株式会社 タ−ビンロ−ター
JPS61219767A (ja) * 1985-03-25 1986-09-30 日本碍子株式会社 金属・セラミツクス結合体
JPS61286501A (ja) * 1985-06-12 1986-12-17 Ngk Insulators Ltd タ−ビンロ−タ−およびその製造法
JPS624528A (ja) * 1985-06-12 1987-01-10 Ngk Insulators Ltd セラミツクス・金属結合体
DE3627652A1 (de) * 1985-08-16 1987-03-05 Toyoda Automatic Loom Works Gleitschuh fuer einen taumelscheibenkompressor
JPH0692722B2 (ja) * 1985-09-18 1994-11-16 京セラ株式会社 セラミツクタ−ボロ−タ
US4722630A (en) * 1985-09-20 1988-02-02 The Garrett Corporation Ceramic-metal braze joint
JPS6322225A (ja) * 1986-03-20 1988-01-29 Ngk Insulators Ltd 金属・セラミツクス結合体およびその製造法
JPS62289385A (ja) * 1986-06-09 1987-12-16 Ngk Insulators Ltd セラミツクス・金属結合体
DE3622963A1 (de) * 1986-07-09 1988-01-21 Flux Geraete Gmbh Pumpe, vorzugsweise behaelterpumpe
JPS63139075A (ja) * 1986-12-02 1988-06-10 日本碍子株式会社 セラミックス・金属結合体およびその製造方法
US4777844A (en) * 1986-12-23 1988-10-18 Ford Motor Company Hybrid ceramic/metal compression link for use in higher temperature applications
US4794894A (en) * 1987-03-05 1989-01-03 Cummins Engine Company, Inc. Ceramic tipped pivot rod and method for its manufacture
JPH043129Y2 (de) * 1987-05-11 1992-01-31
US4942999A (en) * 1987-08-31 1990-07-24 Ngk Insulators, Inc. Metal-ceramic joined composite bodies and joining process therefor
US4889475A (en) * 1987-12-24 1989-12-26 Tecumseh Products Company Twin rotary compressor with suction accumulator
US5028162A (en) * 1988-02-29 1991-07-02 Ngk Insulators, Ltd. Metal-ceramic joined composite bodies
US4966108A (en) * 1989-04-28 1990-10-30 Cummins Engine Company, Inc. Sintered ceramic ball and socket joint assembly
US5083884A (en) * 1990-05-01 1992-01-28 Norton Company Metal ceramic composite body
JP2747939B2 (ja) * 1990-08-22 1998-05-06 日本特殊陶業株式会社 過給機
US5108025A (en) * 1991-05-20 1992-04-28 Gte Laboratories Incorporated Ceramic-metal composite article and joining method
US5279211A (en) * 1992-04-24 1994-01-18 Cummins Engine Company, Inc. Mechanically retained wear-resistant ceramic pad
US5409165A (en) * 1993-03-19 1995-04-25 Cummins Engine Company, Inc. Wear resistant fuel injector plunger assembly
JPH08254102A (ja) * 1995-03-17 1996-10-01 Ngk Insulators Ltd タービンロータ
US5624199A (en) * 1995-09-29 1997-04-29 Cheng; Chin-Chang Setting device for a joint
US5713333A (en) * 1996-10-21 1998-02-03 Cummins Engine Company, Inc. Wear-resistant fuel distributor rotor
US5890413A (en) * 1997-01-08 1999-04-06 Generac Portable Products, Llc Piston for water pump and related method
US8312612B2 (en) * 2002-04-11 2012-11-20 Blue Sky Vision Partners, Llc Refurbished punch tip and method for manufacture and refurbishing
US7033156B2 (en) * 2002-04-11 2006-04-25 Luka Gakovic Ceramic center pin for compaction tooling and method for making same
EP2096317B1 (de) * 2008-02-27 2012-08-15 Agilent Technologies, Inc. Verfahren zur Herstellung der Rotoranordnung einer Rotationsvakuumpumpe
DE102010011486A1 (de) * 2010-03-16 2011-09-22 Bosch Mahle Turbo Systems Gmbh & Co. Kg Rotor für eine Ladeeinrichtung
GB201014059D0 (en) * 2010-08-24 2010-10-06 Element Six Production Pty Ltd Wear part
US9068476B2 (en) 2011-12-22 2015-06-30 Pratt & Whitney Canada Corp. Hybrid metal/composite link rod for turbofan gas turbine engine
GB201122236D0 (en) 2011-12-23 2012-02-01 Napier Turbochargers Ltd Connector
US10465534B2 (en) 2015-06-05 2019-11-05 Rolls-Royce North American Technologies, Inc. Machinable CMC insert
US10472976B2 (en) * 2015-06-05 2019-11-12 Rolls-Royce Corporation Machinable CMC insert
US10458653B2 (en) * 2015-06-05 2019-10-29 Rolls-Royce Corporation Machinable CMC insert
US10401028B2 (en) 2015-06-05 2019-09-03 Rolls-Royce American Technologies, Inc. Machinable CMC insert
EP3700067A1 (de) * 2019-02-25 2020-08-26 Siemens Aktiengesellschaft Komplexes ringelement mit additiv aufgebrachtem verbindungselement
US20220297402A1 (en) * 2019-03-28 2022-09-22 Thomas Blaszczykiewicz Composite tooling assembly

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2207534A (en) * 1938-12-14 1940-07-09 Standard Screw Valve tappet and insert
FR1086821A (fr) * 1952-06-28 1955-02-16 Hemscheidt Maschf Hermann Raccord entre l'emmanchement et le corps creux des forets creux à aspiration de poussières
US3470983A (en) * 1968-07-03 1969-10-07 Stephen F Briggs Lightweight valve lifter
GB1422426A (en) * 1973-06-22 1976-01-28 Penny Turbines Ltd Noel Compressor rotor
US4076436A (en) * 1975-01-06 1978-02-28 Bowen Tools, Inc. Stress relieved tool elements
DE2728823C2 (de) * 1977-06-27 1982-09-09 Aktiengesellschaft Kühnle, Kopp & Kausch, 6710 Frankenthal Gasturbine
JPS5845337B2 (ja) * 1977-07-09 1983-10-08 株式会社生産日本社 暗渠排水管の製造方法および製造装置
DE2734747A1 (de) * 1977-08-02 1979-02-15 Daimler Benz Ag Verbindung eines keramischen turbinenrades mit einer metallischen welle
DE2845716C2 (de) * 1978-10-20 1985-08-01 Volkswagenwerk Ag, 3180 Wolfsburg Thermisch hoch beanspruchbare Verbindung
DE2851507C2 (de) * 1978-11-29 1982-05-19 Aktiengesellschaft Kühnle, Kopp & Kausch, 6710 Frankenthal Isolations-Federkörper und dessen Verwendung
US4484833A (en) * 1981-09-30 1984-11-27 Consolidated Metal Products, Inc. Sucker rod
JPS5978982A (ja) * 1982-10-26 1984-05-08 日産自動車株式会社 セラミツクスと金属との接合構造
DE3308550A1 (de) * 1983-03-10 1984-09-13 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8500 Nürnberg Flachstoessel fuer ventilantriebe

Also Published As

Publication number Publication date
EP0142334A2 (de) 1985-05-22
CA1230710A (en) 1987-12-29
EP0142334A3 (en) 1986-03-26
ATE38027T1 (de) 1988-11-15
EP0142334B1 (de) 1988-10-19
JPS60103082A (ja) 1985-06-07
US4614453A (en) 1986-09-30

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