EP0292777B1 - Procédé de fabrication d'un élément métallique revêtu de céramique - Google Patents

Procédé de fabrication d'un élément métallique revêtu de céramique Download PDF

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Publication number
EP0292777B1
EP0292777B1 EP88107493A EP88107493A EP0292777B1 EP 0292777 B1 EP0292777 B1 EP 0292777B1 EP 88107493 A EP88107493 A EP 88107493A EP 88107493 A EP88107493 A EP 88107493A EP 0292777 B1 EP0292777 B1 EP 0292777B1
Authority
EP
European Patent Office
Prior art keywords
process according
layer
ceramic
ceramic layer
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.)
Expired - Lifetime
Application number
EP88107493A
Other languages
German (de)
English (en)
Other versions
EP0292777A1 (fr
Inventor
Mohamed Dr. Yarahmadi
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.)
Interatom Internationale Atomreaktorbau GmbH
Original Assignee
Interatom Internationale Atomreaktorbau GmbH
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 Interatom Internationale Atomreaktorbau GmbH filed Critical Interatom Internationale Atomreaktorbau GmbH
Priority to AT88107493T priority Critical patent/ATE55565T1/de
Publication of EP0292777A1 publication Critical patent/EP0292777A1/fr
Application granted granted Critical
Publication of EP0292777B1 publication Critical patent/EP0292777B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/16—Selection of particular materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • 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
    • C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B77/00—Component parts, details or accessories, not otherwise provided for
    • F02B77/02—Surface coverings of combustion-gas-swept parts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2201/00—Metals
    • F05C2201/04—Heavy metals
    • F05C2201/043—Rare earth metals, e.g. Sc, Y
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05C—INDEXING SCHEME RELATING TO MATERIALS, MATERIAL PROPERTIES OR MATERIAL CHARACTERISTICS FOR MACHINES, ENGINES OR PUMPS OTHER THAN NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES
    • F05C2203/00—Non-metallic inorganic materials
    • F05C2203/08—Ceramics; Oxides

Definitions

  • the present invention relates to a method for producing a metallic component provided with a ceramic lining in a mold, a first ceramic layer being applied to this.
  • a method for producing a metallic component provided with a ceramic lining in a mold a first ceramic layer being applied to this.
  • the applicant has described a method by means of which castings made of metallic material can be provided with a cast-in smooth lining, e.g. so-called portliner of internal combustion engines.
  • layers are applied successively to a lost core by means of flame or plasma spraying, the composition of which is varied in such a way that a purely ceramic composition gradually becomes a finally purely metallic composition.
  • An arbitrarily thick layer of metal can be cast onto the latter to complete the component.
  • the graded transition from ceramic to metal leads to a gradual reduction of the stresses caused by the different thermal expansion of the two materials in the component.
  • JP-A 6 179 818 a method for producing a composite body is known, in which the different thermal expansions between the metal and the ceramic part are reduced by the fact that, as an intermediate layer, a grid or a fabric made of e.g. stainless steel or a ceramic fiber is introduced; penetration of the melted material into the grid is to be avoided in order to maintain the deformability required for the compensation.
  • this grid does not have a ductility leading to the different parts sliding off one another.
  • the object of the present invention is an alternative solution to the same technical problem, namely a coating of metallic components, preferably on the inside of those components that are hollow.
  • a sliding layer is first applied to the first ceramic layer; then a second ceramic layer divided into individual areas by joints; and finally in that the second ceramic layer is cast in a known manner with metal to form the finished component.
  • the first ceramic layer essentially forms the desired thermal protective layer and must be dimensioned with regard to its thickness and porosity; Layers (which can be produced using several conventional methods) of 2 to 3 mm thick (possibly composed of several partial layers applied one behind the other) appear suitable.
  • the sliding layer in turn only needs to have a thickness of 0.05 to 0.1 mm and, due to its ductility (which is also the case with the use of metal at these small thicknesses), reduces stresses by sliding the two ceramic layers against one another.
  • a layer thickness of 0.1 to 1 mm is recommended for the second ceramic layer. Splitting the same into numerous segments separated by joints of a few hundredths of a millimeter offers a possibility of reducing the stresses that occur after the coating of the metal has been cast around it by its greater thermal contraction during cooling by closing these joints. If the temperature rises again during operation, the second ceramic layer follows by opening it again.
  • a further embodiment of the invention teaches a method of how the required joints in the second ceramic layer can be produced in a defined size and frequency, namely in that they are specified by a grid placed on the sliding layer made of a material that is produced by the process of Applying the layer and / or burned or sublimed by the casting.
  • Various plastics appear suitable for the production of the grid.
  • Preferred materials for the production of the first ceramic layer are aluminum-titanium oxide, magnesium-aluminum-silicate, zirconium silicate or mullite. Like the materials proposed below for the second ceramic layer, they have a low modulus of elasticity, which dampens the transmission of vibrations to the metal parts.
  • the sliding layer consists of molybdenum disulfide or boron nitride.
  • Materials which are suitable according to the invention for the formation of the second ceramic layer and which have the required thermal shock resistance with good mechanical properties and sufficient chemical resistance are aluminum-titanium oxide, zirconium oxide / magnesium oxide, zirconium oxide / yttrium oxide, zirconium silicon oxide and magnesium aluminum -Silicate, aluminum oxide / silicon oxide, quartz material, mullite or spinel.
  • both the ceramic layers and the sliding layer are applied by plasma or flame spraying.
  • These closely related processes are particularly suitable for the production of thin, uniform layers on complexly shaped surfaces. They have a certain roughness on their free surface, which is conducive to better interlinking of the individual layers.
  • the method according to the invention appears particularly suitable for providing the inside of hollow bodies with ceramic protective layers.
  • a core made of glass is used, a very smooth inner surface of the coated component can be achieved. If low-melting metals are used, the glass can be replaced with a suitable plastic.
  • An embodiment of the invention is shown in the drawing, namely in longitudinal section using the example of the exhaust manifold of an internal combustion engine.
  • the thicknesses of the individual layers are greatly exaggerated for the sake of representability.
  • a lost core 1 made of glass was Plasma or flame spraying applied a first ceramic layer 2 several millimeters thick, then a very thin sliding layer 3 made of metal, boron nitride or molybdenum disulfide, and a second ceramic layer 4 on this in turn by the same method.
  • This is divided into individual fields by thin joints 5 ; the joints 5 represent the gaps left by the burning of a lattice that previously took their place.
  • B. cast aluminum or iron and subsequent destruction of the core 1, the component is completed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Coating By Spraying Or Casting (AREA)
  • Cylinder Crankcases Of Internal Combustion Engines (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Compositions Of Oxide Ceramics (AREA)
  • Laminated Bodies (AREA)
  • Sliding-Contact Bearings (AREA)

Claims (11)

1. Procédé de fabrication d'un élément métallique muni d'un revêtement de céramique dans un moule,
EP88107493A 1987-05-21 1988-05-09 Procédé de fabrication d'un élément métallique revêtu de céramique Expired - Lifetime EP0292777B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88107493T ATE55565T1 (de) 1987-05-21 1988-05-09 Verfahren zur herstellung eines keramikbeschichteten metallischen bauteils.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3717152 1987-05-21
DE3717152 1987-05-21

Publications (2)

Publication Number Publication Date
EP0292777A1 EP0292777A1 (fr) 1988-11-30
EP0292777B1 true EP0292777B1 (fr) 1990-08-16

Family

ID=6328092

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107493A Expired - Lifetime EP0292777B1 (fr) 1987-05-21 1988-05-09 Procédé de fabrication d'un élément métallique revêtu de céramique

Country Status (5)

Country Link
US (1) US4890663A (fr)
EP (1) EP0292777B1 (fr)
JP (1) JPS63303674A (fr)
AT (1) ATE55565T1 (fr)
DE (1) DE3860455D1 (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5014903A (en) * 1988-11-25 1991-05-14 Cyb Frederick F Heat-retaining exhaust components and method of preparing same
US5018661A (en) * 1988-11-25 1991-05-28 Cyb Frederick F Heat-resistant exhaust manifold and method of preparing same
DE3940946A1 (de) * 1989-12-12 1990-11-08 Bayerische Motoren Werke Ag Gegossener zylinderkopf fuer hubkolbenmaschinen
DE69105761T2 (de) * 1990-01-26 1995-08-03 Isuzu Motors Ltd Gusswerkstück mit keramischer Verstärkungseinlage und Verfahren zu dessen Herstellung.
US5137789A (en) * 1990-12-03 1992-08-11 Caterpillar Inc. Composite ceramic and metal article
WO1993024672A1 (fr) * 1992-05-29 1993-12-09 United Technologies Corporation Revetement en ceramique formant une barriere thermique pour pieces soumises a des cycles thermiques rapides
US5404721A (en) * 1994-01-28 1995-04-11 Ford Motor Company Cast-in-place ceramic manifold and method of manufacturing same
US5593745A (en) * 1994-02-24 1997-01-14 Caterpillar Inc. Insulated port liner assembly
US6261872B1 (en) 1997-09-18 2001-07-17 Trw Inc. Method of producing an advanced RF electronic package
US6298660B1 (en) 1999-06-30 2001-10-09 Siemens Canada Limited Low thermal inertia integrated exhaust manifold
US20040177609A1 (en) * 2001-12-07 2004-09-16 Moore Dan T. Insulated exhaust manifold having ceramic inner layer that is highly resistant to thermal cycling
US6725656B2 (en) 2001-12-07 2004-04-27 Dan T. Moore Company Insulated exhaust manifold
AU2002346693A1 (en) * 2001-12-07 2003-06-23 Dan T. Moore Company Insulated exhaust manifold having internal catalyst support body
DE10204812A1 (de) * 2002-02-06 2003-08-14 Man B & W Diesel As Kopenhagen Motor
DE10207989B4 (de) * 2002-02-25 2004-02-19 Daimlerchrysler Ag Dauergießform mit keramischer Auskleidung
AT6359U3 (de) * 2003-04-16 2004-03-25 Cool Structures Production And Elektrische baugruppe und verfahren zu ihrer herstellung
US20050118451A1 (en) * 2003-12-02 2005-06-02 Visteon Global Technologies, Inc. Heat shield for a catalytic converter
US9452570B2 (en) * 2012-11-07 2016-09-27 Dell Products L.P. Information handling system ceramic chassis

Family Cites Families (17)

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Publication number Priority date Publication date Assignee Title
FR928322A (fr) * 1946-01-23 1947-11-25 Philips Nv Procédé de moulage et pièces de fonderie obtenues suivant ce procédé
US2763919A (en) * 1950-07-28 1956-09-25 Thompson Prod Inc Coated refractory body
US3718172A (en) * 1971-07-16 1973-02-27 Gen Motors Corp Method of forming a thermally insulated composite article
JPS5248602B2 (fr) * 1973-03-06 1977-12-10
US4206598A (en) * 1977-11-09 1980-06-10 Ford Motor Company Low cost cast-in place port liner
US4376374A (en) * 1977-11-16 1983-03-15 Repwell Associates, Inc. Metal-ceramic composite and method for making same
IT1119393B (it) * 1978-10-13 1986-03-10 Ceraver Procedimento per il fissaggio di un armatura metallica su un pezzo non metallico particolarmente applicabile ad isolatori elettrici
DE3228508A1 (de) * 1982-07-30 1984-02-02 Robert Bosch Gmbh, 7000 Stuttgart Kraftstoffversorgungsleitung
JPS5985866A (ja) * 1982-11-08 1984-05-17 Mitsubishi Heavy Ind Ltd セラミツク溶射方法
JPS59108848A (ja) * 1982-12-14 1984-06-23 Nissan Motor Co Ltd 内燃機関のシリンダヘツド
JPS6021173A (ja) * 1983-07-15 1985-02-02 Mitsubishi Heavy Ind Ltd セラミツクス鋳ぐるみ鋳物の製造方法
DE3404121A1 (de) * 1984-02-07 1985-08-08 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8900 Augsburg Waermedaemmender kolben fuer verbrennungskraftmaschinen
US4604779A (en) * 1984-02-27 1986-08-12 Ngk Spark Plug Co., Ltd. Method of producing a cylinder head with a port liner
US4546048A (en) * 1984-03-23 1985-10-08 Dana Corporation Composite thermal shield for engine components
JPS6123822A (ja) * 1984-07-09 1986-02-01 Ngk Spark Plug Co Ltd 金属とセラミツクスの接合体
JPS6179818A (ja) * 1984-09-27 1986-04-23 Hino Motors Ltd エンジンの断熱装置
JPS61283447A (ja) * 1985-06-07 1986-12-13 Kurimoto Iron Works Ltd フランジ付き管の製造方法

Also Published As

Publication number Publication date
EP0292777A1 (fr) 1988-11-30
JPS63303674A (ja) 1988-12-12
ATE55565T1 (de) 1990-09-15
DE3860455D1 (de) 1990-09-20
US4890663A (en) 1990-01-02

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