EP0290052B1 - Procédé de fabrication de glissière sur pièces de moteurs d'automobile - Google Patents

Procédé de fabrication de glissière sur pièces de moteurs d'automobile Download PDF

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Publication number
EP0290052B1
EP0290052B1 EP88107386A EP88107386A EP0290052B1 EP 0290052 B1 EP0290052 B1 EP 0290052B1 EP 88107386 A EP88107386 A EP 88107386A EP 88107386 A EP88107386 A EP 88107386A EP 0290052 B1 EP0290052 B1 EP 0290052B1
Authority
EP
European Patent Office
Prior art keywords
layer
metal
process according
fabrication
parts
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
EP88107386A
Other languages
German (de)
English (en)
Other versions
EP0290052A1 (fr
Inventor
Wolfgang Dr. Simm
Hans-Theo Steine
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.)
ECG Immobilier SA
Original Assignee
Castolin SA
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 Castolin SA filed Critical Castolin SA
Publication of EP0290052A1 publication Critical patent/EP0290052A1/fr
Application granted granted Critical
Publication of EP0290052B1 publication Critical patent/EP0290052B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • C23C24/00—Coating starting from inorganic powder
    • C23C24/08—Coating starting from inorganic powder by application of heat or pressure and heat
    • C23C24/10—Coating starting from inorganic powder by application of heat or pressure and heat with intermediate formation of a liquid phase in the layer
    • C23C24/103—Coating with metallic material, i.e. metals or metal alloys, optionally comprising hard particles, e.g. oxides, carbides or nitrides
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06—Metallic material
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
    • 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
    • C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/18—After-treatment

Definitions

  • the invention relates to a method for producing sliding surfaces on parts of vehicle engines which are exposed to vibration-superimposed metal / metal friction.
  • the coating of vehicle engines using hard alloys is usually carried out by plasma spraying or by flame spraying. These coatings have a relatively short service life when they are exposed to strong vibrations; these lead to crack formation or to chipping of the layer. Experiments with inlaid and sintered layers did not lead to the desired results. In the so-called MIP process, for example, costs are so high that the application remains practically insignificant.
  • EP-A-194 701 is concerned with protective layers for container and apparatus construction which are used in process plants, such as e.g. Refineries or sugar factories are used, and proposes for such protective layers ⁇ -boride-containing alloys based on nickel from the four-component systems nickel-chromium-titanium-boron, nickel-chromium-tantalum-boron and nickel-chromium-niobium-boron by thermal spraying and cladding are applied to metallic substrates.
  • the inventor has set itself the goal of developing a method of the type mentioned at the outset in such a way that, despite the favorable costs, a great deal Durable and solid sliding surfaces with long service lives are created, for parts that are exposed to vibration-superimposed metal / metal friction.
  • a layer of a hard metal alloy of a material based on Ni-Mo-Fe, optionally with a content of Co or Cr and / or W, is applied in a thickness of 0.1 to 3.0 mm and then is melted down with a high-energy beam, the layer containing borides, carbides, silicides and / or nitrides.
  • Another solution is seen in placing a layer of a hard metal alloy of a material on an amorphous Ni-Mo base, possibly with a content of Fe and / or Co or Cr and / or W, in a thickness of 0, on the part. Applied 1 to 3.0 mm and then melted with a high-energy beam, the layer having a content of borides, carbides, silicides and / or nitrides.
  • the layer material contains additives of less than 5% B and less than 5% Si and / or tungsten carbide or sintered tungsten carbide.
  • the layer is preferably applied with a paste containing a metal powder and a binder, a resin optionally being used as the binder, in which the remaining solids content is below 10%.
  • the application is simplified if the metal powder is poured into a recess in the part and subsequently pressed.
  • the layer can also be applied using the known method of thermal spraying.
  • a particularly favorable way of feeding the metal powder to the surface to be coated is possible in that the high-energy beam, especially a laser beam, can itself be used as a means of transport for the metal powder.
  • the first process step of flame spraying or applying a paste is therefore unnecessary.
  • the layer can advantageously be rapidly cooled by a gaseous medium.
  • the sliding surface of a camshaft should be coated with a wear-resistant layer by thermal spraying with subsequent melting using a laser.
  • the melted layer was then processed by grinding.
  • a wear-resistant layer is to be applied to the sliding surface of a rocker arm.
  • the composition of the matrix alloy was Cr 20-25%, ⁇ 6% Fe, ⁇ 3% B, ⁇ 4% Si, balance Ni.
  • the proportion of the resin binder was 2%.
  • the sliding surface of the rocker arm was milled 1 mm deep, degreased and the paste pressed into this milled area. After curing, the introduced layer was melted down with a laser beam - with the parameters according to example 1.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Coating By Spraying Or Casting (AREA)

Claims (10)

  1. Procédé de fabrication de surfaces de glissement sur des pièces de moteurs de véhicules, qui sont soumises à un frottement métal sur métal doublé de vibrations, une couche de revêtement d'alliage de métaux durs d'un matériau à base de Ni-Mo-Fe, le cas échéant présentant une teneur en Co et en Cr et/ou W, étant appliquée sur la pièce selon une épaisseur de 0,1 à 3,0 mm, et subissant ensuite une fusion par un rayon hautement énergétique, la couche de revêtement présentant une teneur en borures, carbures, siliciures et/ou nitrures.
  2. Procédé de fabrication de surfaces de glissement sur des pièces de moteurs de véhicules, qui sont soumises à un frottement métal sur métal doublé de vibrations, une couche de revêtement d'alliage de métaux durs d'un matériau à base de Ni-Cr-B-Si, le cas échéant présentant une teneur en Fe et/ou Co ou en Mo et/ou W, étant appliquée sur la pièce selon une épaisseur de 0,1 à 3,0 mm, et subissant ensuite une fusion par un rayon hautement énergétique, la couche de revêtement présentant une teneur en borures, carbures, silicium et/ou nitrures.
  3. Procédé de fabrication de surfaces de glissement sur des pièces de moteurs de véhicules, qui sont soumises à un frottement métal sur métal doublé de vibrations, une couche de revêtement d'alliage de métaux durs d'un matériau amorphe à base de Ni-Mo, le cas échéant présentant une teneur en Fe et/ou Co et en Cr et/ou W, étant appliquée sur la pièce selon une épaisseur de 0,1 à 3,0 mm, et subissant ensuite une fusion par un rayon hautement énergétique, la couche de revêtement présentant une teneur en borures, carbures, siliciures et/ou nitrures.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le matériau de la couche de revêtement renferme en addition, moins de 5% de B et moins de 5% de Si.
  5. Procédé selon l'une au moins des revendications 1 à 4, caractérisé en ce que du carbure de tungstène fondu ou du carbure de tungstène fritté est rajouté au matériau de la couche de revêtement.
  6. Procédé selon l'une au moins des revendications 1 à 5, caractérisé en ce que l'application de la couche de revêtement s'effectue à l'aide d'une pâte renfermant une poudre métallique et un liant, qui le cas échéant peut être une résine pour laquelle la part résiduelle de substance solide est inférieure à 10%.
  7. Procédé selon l'une au moins des revendications 1 à 6, caractérisé en ce que la poudre métallique est déversée dans un évidement de la pièce et subit ensuite une compression.
  8. Procédé selon l'une au moins des revendications 1 à 7, caractérisé en ce que l'application de la couche de revêtement se fait par voie de pulvérisation thermique.
  9. Procédé selon l'une au moins des revendications 1 à 8, caractérisé en ce que la couche de revêtement est réalisée par l'amenée de la poudre métallique dans le rayon hautement énergétique.
  10. Procédé selon l'une au moins des revendications précédentes, caractérisé en ce que la couche de revêtement est appliquée avec une épaisseur supérieure à 0,2 mm, de préférence comprise entre 0,5 et 2,0 mm.
EP88107386A 1987-05-08 1988-05-07 Procédé de fabrication de glissière sur pièces de moteurs d'automobile Expired - Lifetime EP0290052B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3715325 1987-05-08
DE19873715325 DE3715325A1 (de) 1987-05-08 1987-05-08 Verfahren zum herstellen von gleitflaechen auf teilen von fahrzeugmotoren

Publications (2)

Publication Number Publication Date
EP0290052A1 EP0290052A1 (fr) 1988-11-09
EP0290052B1 true EP0290052B1 (fr) 1992-07-22

Family

ID=6327084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88107386A Expired - Lifetime EP0290052B1 (fr) 1987-05-08 1988-05-07 Procédé de fabrication de glissière sur pièces de moteurs d'automobile

Country Status (2)

Country Link
EP (1) EP0290052B1 (fr)
DE (2) DE3715325A1 (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715326A1 (de) * 1987-05-08 1988-11-24 Castolin Sa Verfahren zum herstellen einer selbstschaerfenden schneid- oder messerkante
DE3816310A1 (de) * 1987-06-26 1989-01-12 Bbc Brown Boveri & Cie Verfahren zur anreicherung von titan in der unmittelbaren oberflaechenzone eines bauteils aus einer mindestens 2,0 gew.-% titan enthaltenden nickelbasis-superlegierung und verwendung der nach dem verfahren angereicherten oberflaeche
DE3936479A1 (de) * 1989-11-02 1991-05-08 Guenter Link Verfahren zur erzeugung von schutzschichten auf materialoberflaechen mittels laserstrahlung
DE59005683D1 (de) * 1990-01-22 1994-06-16 Sulzer Innotec Ag Beschichtetes metallisches Substrat.
DE4413306C1 (de) * 1994-04-16 1995-10-19 Daimler Benz Aerospace Ag Verfahren zur Verstärkung eines Bauteils und Anwendung des Verfahrens
DE19643029A1 (de) * 1996-10-18 1998-04-23 Bayerische Motoren Werke Ag Verfahren zum Beschichten eines aus einer Aluminium-Legierung bestehenden Bauteils einer Brennkraftmaschine mit Silicium
CN1153844C (zh) † 1999-02-19 2004-06-16 大众汽车有限公司 制造耐磨表面的方法和装置
DE10017691A1 (de) * 2000-04-08 2001-10-11 Bayerische Motoren Werke Ag Verfahren zur Ausbildung einer Schwächungslinie in einem bruchtrennbaren Bauteil, insbesondere mit einer Lageranordnung
DE502005009857D1 (de) * 2004-01-28 2010-08-19 Ford Global Tech Llc Durch thermisches spritzen aufgebrachte eisenhaltige schicht einer gleitfläche, insbesondere für zylinderlaufflächen von motorblöcken
DE102004025553B4 (de) * 2004-05-25 2006-04-20 Daimlerchrysler Ag Nockenwelle und ein Verfahren zu deren Herstellung
DE102005022264A1 (de) * 2005-05-10 2006-11-16 Fachhochschule Münster Flüssigauftragbare Einbrennbeschichtung

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194701A1 (fr) * 1985-03-14 1986-09-17 H.C. Starck GmbH & Co. KG Procédé pour la fabrication de couches protectrices de surfaces

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1067354A (fr) * 1975-04-11 1979-12-04 Frederick T. Jaeger Revetement de tube bouilleur et methode de pose
DE2741737A1 (de) * 1977-09-16 1979-03-22 Messer Griesheim Gmbh Einrichtung zum bearbeiten, insbesondere schneiden von werkstuecken mittels eines laserstrahles
DE3437983C1 (de) * 1984-10-17 1986-03-20 Eisen- und Stahlwerk Pleissner GmbH, 3420 Herzberg Verfahren zum Aufbringen eines metallischen Schutzüberzuges auf ein metallisches Substrat
DE3503105A1 (de) * 1985-01-30 1986-07-31 Leybold-Heraeus GmbH, 5000 Köln Verfahren zum beschichten von maschinenteilen und werkzeugen mit hartstoffmaterial und durch das verfahren hergestellte maschinenteile und werkzeuge
GB8521406D0 (en) * 1985-08-28 1985-10-02 Atomic Energy Authority Uk Coatings
JPS6293314A (ja) * 1985-10-21 1987-04-28 Honda Motor Co Ltd 耐摩耗性摺動部材

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0194701A1 (fr) * 1985-03-14 1986-09-17 H.C. Starck GmbH & Co. KG Procédé pour la fabrication de couches protectrices de surfaces

Also Published As

Publication number Publication date
DE3715325A1 (de) 1988-11-24
EP0290052A1 (fr) 1988-11-09
DE3872931D1 (de) 1992-08-27

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