WO2016198205A1 - Procédé de revêtement d'une soupape d'un moteur à combustion interne - Google Patents

Procédé de revêtement d'une soupape d'un moteur à combustion interne Download PDF

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Publication number
WO2016198205A1
WO2016198205A1 PCT/EP2016/059295 EP2016059295W WO2016198205A1 WO 2016198205 A1 WO2016198205 A1 WO 2016198205A1 EP 2016059295 W EP2016059295 W EP 2016059295W WO 2016198205 A1 WO2016198205 A1 WO 2016198205A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve
nickel
bath
coated
boron carbide
Prior art date
Application number
PCT/EP2016/059295
Other languages
German (de)
English (en)
Inventor
Andreas Dogar
Stephan Körner
Reinhard Rose
Original Assignee
Mahle International 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 Mahle International Gmbh filed Critical Mahle International Gmbh
Priority to EP16718679.0A priority Critical patent/EP3307926A1/fr
Publication of WO2016198205A1 publication Critical patent/WO2016198205A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D15/00—Electrolytic or electrophoretic production of coatings containing embedded materials, e.g. particles, whiskers, wires
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C23C18/165—Multilayered product
    • C23C18/1651—Two or more layers only obtained by electroless plating
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1646—Characteristics of the product obtained
    • C23C18/165—Multilayered product
    • C23C18/1653—Two or more layers with at least one layer obtained by electroless plating and one layer obtained by electroplating
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/1601—Process or apparatus
    • C23C18/1633—Process of electroless plating
    • C23C18/1655—Process features
    • C23C18/1662—Use of incorporated material in the solution or dispersion, e.g. particles, whiskers, wires
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/31—Coating with metals
    • C23C18/32—Coating with nickel, cobalt or mixtures thereof with phosphorus or boron
    • 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
    • C23C18/00—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating
    • C23C18/16—Chemical coating by decomposition of either liquid compounds or solutions of the coating forming compounds, without leaving reaction products of surface material in the coating; Contact plating by reduction or substitution, e.g. electroless plating
    • C23C18/48—Coating with alloys
    • C23C18/50—Coating with alloys with alloys based on iron, cobalt or nickel
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/12—Electroplating: Baths therefor from solutions of nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/562—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of iron or nickel or cobalt
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/10—Electroplating with more than one layer of the same or of different metals
    • C25D5/12—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium
    • C25D5/14—Electroplating with more than one layer of the same or of different metals at least one layer being of nickel or chromium two or more layers being of nickel or chromium, e.g. duplex or triplex layers
    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
    • C25D5/60—Electroplating characterised by the structure or texture of the layers
    • C25D5/605—Surface topography of the layers, e.g. rough, dendritic or nodular layers
    • C25D5/611—Smooth layers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L3/00—Lift-valve, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces; Parts or accessories thereof
    • F01L3/02—Selecting particular materials for valve-members or valve-seats; Valve-members or valve-seats composed of two or more materials
    • F01L3/04—Coated valve members or valve-seats
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2301/00—Using particular materials
    • F01L2301/02—Using ceramic materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2303/00—Manufacturing of components used in valve arrangements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L2820/00—Details on specific features characterising valve gear arrangements
    • F01L2820/01—Absolute values

Definitions

  • the present invention relates to a method for coating a valve of an internal combustion engine, in particular at least one location of a valve stem of the valve.
  • the invention also relates to a valve coated with such a method of an internal combustion engine and an internal combustion engine with at least one such valve.
  • valves in an internal combustion engine or their valve shafts are nowadays coated with a chromium-containing wear protection layer, since the valves are exposed to a large tribological load, in particular in the region of the valve stem and here in the region of a valve guide, and the wear protection layer ensures friction and wear-resistant operation should.
  • Chromium (VI) that is, chromium trioxide plays a vital economic role in all types of chromium plating, that is both chrome plating of plastics and iron or non-ferrous metals, but is subject to both strict regulations and special supervision due to its contentious nature even in a ban, at least for certain applications.
  • the present invention therefore deals with the problem of specifying a method by means of which an extremely resistant and load-bearing wear protection layer, in particular on a position of a valve stem of a valve of an internal combustion engine can be applied without this chromium would be required.
  • This problem is solved according to the invention by the subject matter of independent claim 1.
  • Advantageous embodiments are the subject of the dependent claims.
  • the present invention is based on the general idea to provide an alternative method for coating a valve of an internal combustion engine, in particular at least one point of a valve stem of the valve, in which a durable and at the same time durable wear protection layer can be applied, which no longer has chromium.
  • the valve is first immersed in the inventive method, at least with the point to be coated in a nickel (Ni) pure bath as a primer, in particular made of steel or stainless steel valves without such a primer or such an adhesive layer would not be permanently coated.
  • the valve is at least with the point to be coated in a nickel (Ni) and boron carbide (BC) exhibiting bath or in a nickel-tungsten (Ni-W) or nickel-iron (Ni-Fe) and boron carbide (BC) exhibiting bath dipped.
  • This dispersion layer is the functional layer and serves as wear protection as an alternative coating for chromium coating.
  • Boron carbide as a particle is a very hard material with a Mohs hardness of 9.3, which can be used as a wear-resistant material.
  • Boron carbide is a non-oxide ceramic, which is characterized by particular hardness and toughness similar to silicon carbide or silicon nitride.
  • Boron carbide ceramic is also extremely resistant to wear, even at low temperatures. In terms of hardness, it is even more resistant to wear at low temperatures than silicon nitride ceramics. Also in terms of chemical resistance, boron carbide has a very high resistance, which is particularly in the field of relatively aggressive media, such as oils, a great advantage.
  • a bath containing nickel (Ni) and boron carbide (BC) is used, with a boron carbide content of 30 g / l to 65 g / l, in particular with a boron carbide content of 50 g / l.
  • a wear protection layer can be achieved in which the wear occurring during operation of the internal combustion engine is virtually zero and the material transfer at one tenth of the material transfer compared to one of chromium trained wear protection layer is located.
  • the wear ie the material removal of the wear protection layer itself
  • the so-called transfer of material ie the transfer of coating material into the valve guide. Both can be achieved with the previously described and nickel (Ni) and boron carbide (BC) having wear protection layer.
  • the valve is immersed, at least with the point to be coated, in a bath comprising nickel (Ni), boron carbide (B C) and hexagonal boron nitride (h (BN)).
  • a bath comprising nickel (Ni), boron carbide (B C) and hexagonal boron nitride (h (BN)).
  • the content of boron nitride (h (BN)) should be between 10 g / l and 25 g / l, in particular between 18 and 22 g / l, particularly preferably about 20 g / l.
  • a boron nitride content of about 20 g / l in the nickel electrolyte wear can be achieved, which in turn is almost zero.
  • substantial advantages in terms of friction can be achieved.
  • the valve is polished and / or ground at least at the point to be coated.
  • valve is coated with the method according to the invention at least at one point of the valve stem, that is, the wear protection layer according to the invention is applied, it being understood that this wear protection layer is also applied to the entire valve or to other locations, for example can be applied to a valve seat ring.
  • the present invention is further based on the general idea to provide a valve of an internal combustion engine, which has been coated at least one point by the method described above.
  • the valve according to the invention has a nickel (Ni) adhesive layer and an overlying wear protection layer of nickel (Ni) and boron carbide (B C).
  • the wear protection layer is reworked, for example, polished or ground.
  • the wear protection layer has a layer thickness d between 5 ⁇ m and 15 ⁇ m.
  • a thin wear protection layer allows the wear resistance of the valve over its entire life, being used as a primer or adhesive layer for the wear protection layer, the underlying nickel layer, which allows reliable adhesion of the wear protection layer on stainless steel surfaces.
  • This nickel interlayer which is applied in a nickel chloride electrolyte is imperative, especially when using high-alloy Stainless steels such as X50. Otherwise, sufficient adhesion of the nickel dispersion layer can not be achieved.
  • the sole FIGURE 1 shows a valve according to the invention with a wear protection layer applied thereto according to the invention.
  • a valve 1 according to the invention of an internal combustion engine 2 which is not further illustrated, has a valve disk 3 and a valve stem 5 connected thereto via a valve throat 4. At least at one point in the region of the valve stem 5, on which it is guided in a valve guide 6, the valve 1 according to the invention is provided with a wear protection layer 7.
  • the valve guide 6 may be formed of a sintered material. Due to the very good wettability of the nickel dispersion layer with oil, the wear of the valve guide is significantly reduced compared to a chrome-coated valve stem.
  • the BC boron carbide
  • the BC boron carbide
  • the BC can transform at high temperatures (380-420) ° C and in the presence of oxygen a graphite-like structure (boron oxide).
  • the wear protection layer 7 now comprises nickel (Ni) and boron carbide (BC), as a result of which it has both high chemical resistance and high wear resistance.
  • a surface of the wear-resistant layer 7 is reworked, in particular polished and / or ground.
  • valve 1 according to the invention or the coating applied thereto is produced as follows:
  • the valve 1 is dipped at least with the point to be coated, in particular in the region of the valve stem 5, in a nickel (Ni) -containing pure bath as a primer, whereby the adhesive layer 8 is applied to the surface of the valve stem 5.
  • This adhesive layer 8 is required for long-lasting and reliable connection of the wear protection layer 7 with the valve 1.
  • the valve 1 is immersed at least with the point to be coated in a bath having nickel (Ni) and boron carbide (BC) or in a nickel-tungsten (Ni-W) or nickel-iron (Ni-Fe) and boron carbide (BC) , whereby the actual wear protection layer 7 is applied.
  • the valve 1 is subsequently reworked at least in the region of the wear protection layer 7, for example polished and / or ground.
  • the bath used to produce the wear protection layer 7 has a boron carbide content of 30 g / l to 65 g / l, in particular a boron carbide content of about 50 g / l, which has been found to result in almost zero wear and in Representative tests a material transfer is only 1/10 of the material transfer compared to the use of a chromium-containing wear protection layer.
  • wear resistance in particular two characteristic values are of particular importance, on the one hand the wear, ie the material removal of the wear protection layer 7 itself and, secondly, the so-called material transfer, ie the transfer of coating material into the valve guide 6.
  • a bath containing nickel (Ni) and boron carbide (B C) can also be used to produce the wear protection layer 7, this bath additionally having hexagonal boron nitride (h (BN)).
  • the boron nitride content (h (BN)) of this bath is between 10 g / l and 25 g / l, in particular between 18 and 22 g / l, particularly preferably about 20 g / l.
  • the latter concentration or the last-mentioned boron nitride content of about 20 g / l has proved to be particularly advantageous with respect to the material transfer.
  • the bath may additionally contain hard material particles. At least one of these hard material particles has or consists of silicon carbide (SiC), tungsten carbide (WC), titanium nitride (TiN), silicon nitride (Si 3 N), cubic boron nitride (c-BN) or aluminum oxide (Al 2 O 3).
  • the hard material particles usually have a diameter which is on average less than or equal to 0.1 ⁇ to 3 ⁇ , in particular from 0.8 ⁇ to 2.5 ⁇ .
  • the wear protection layer 7 itself has a layer thickness d, which has between 5 and 15 ⁇ .
  • the wear protection layer 7 With the wear protection layer 7 according to the invention, it is therefore possible to replace a wear protection layer previously used in this area and containing chromium, which has considerable advantages with regard to the safety in terms of the environment and health and with the customer requirements changed as a result. brings. In addition, with such and now no longer chromium-containing wear protection layer 7 and the concerns regarding the use of chrome accounted for. Of particular importance is that the wear protection layer 7 of the invention has an extremely high wear resistance and high chemical resistance and also has a material transfer, which is only 1/10 of the material transfer of previous chromium-containing wear protection layers.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Metallurgy (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Lift Valve (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)
  • Chemically Coating (AREA)

Abstract

L'invention concerne un procédé de revêtement d'une soupape (1) d'un moteur à combustion interne (2), notamment d'un endroit d'une tige (5) de la soupape (1), selon lequel - la soupape (1) est immergée au moins à l'endroit à revêtir dans un bain de nickel (Ni) pur en tant que promoteur d'adhésion, - la soupape (1) est immergée au moins à l'endroit à revêtir dans un bain présentant du nickel (Ni) et du carbure de bore (B4C) ou dans un bain présentant du nickel-wolfram (Ni-W) ou du nickel-fer (Ni-Fe) et du carbure de bore (B4C), - la soupape (1) est retraitée au moins à l'endroit à revêtir. Cela permet de remplacer la classique couche anti-usure chromée.
PCT/EP2016/059295 2015-06-09 2016-04-26 Procédé de revêtement d'une soupape d'un moteur à combustion interne WO2016198205A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16718679.0A EP3307926A1 (fr) 2015-06-09 2016-04-26 Procédé de revêtement d'une soupape d'un moteur à combustion interne

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102015210552.0A DE102015210552A1 (de) 2015-06-09 2015-06-09 Verfahren zum Beschichten eines Ventils einer Brennkraftmaschine
DE102015210552.0 2015-06-09

Publications (1)

Publication Number Publication Date
WO2016198205A1 true WO2016198205A1 (fr) 2016-12-15

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PCT/EP2016/059295 WO2016198205A1 (fr) 2015-06-09 2016-04-26 Procédé de revêtement d'une soupape d'un moteur à combustion interne

Country Status (3)

Country Link
EP (1) EP3307926A1 (fr)
DE (1) DE102015210552A1 (fr)
WO (1) WO2016198205A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017007079A1 (de) 2017-07-27 2018-01-25 Daimler Ag Ventilschaftdichtung eines Hubkolbenmotors, Hubkolbenmotor sowie Kraftfahrzeug
CN111946417A (zh) * 2019-05-17 2020-11-17 马勒国际有限公司 用于内燃机的气体交换阀
CN114214684A (zh) * 2021-10-28 2022-03-22 中国航发西安动力控制科技有限公司 精密零件表面的金属-陶瓷梯度复合镀层及其制备方法
US11828207B2 (en) * 2016-02-17 2023-11-28 Mahle International Gmbh Internal combustion engine with at least one hollow-head valve

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018218205A1 (de) * 2018-10-24 2020-04-30 Mahle International Gmbh Gaswechselventil
DE102019207536A1 (de) * 2019-05-23 2020-11-26 Mahle International Gmbh Gaswechselventil

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05331694A (ja) * 1992-06-01 1993-12-14 Kobe Steel Ltd 機械構造用複合めっき非鉄金属材
EP0679736A1 (fr) * 1994-04-28 1995-11-02 Fuji Oozx Inc. Amélioration des propriétés de surface d'une soupape de moteur en alliage de titane
US20050205425A1 (en) * 2002-06-25 2005-09-22 Integran Technologies Process for electroplating metallic and metall matrix composite foils, coatings and microcomponents
US20080196625A1 (en) * 2004-09-28 2008-08-21 Ahc Oberflachentechnik Gmbh & Co. Ohg Non-Galvanically Applied Nickel Alloy

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1579266A (fr) * 1967-09-09 1969-08-22
JPS60197880A (ja) * 1984-03-19 1985-10-07 Aisin Seiki Co Ltd 複合メッキ被膜
US4786324A (en) * 1986-01-10 1988-11-22 Rieger Franz Metallveredelung Nickel-plating bath
JPS62185806A (ja) * 1986-02-10 1987-08-14 Kasuya Seiko Kk 超硬合金を焼結させたタペツト、ロツカア−ム等の内燃機関動弁部品の製造方法
JP2578903B2 (ja) * 1988-05-06 1997-02-05 キヤノン株式会社 振動波モータ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH05331694A (ja) * 1992-06-01 1993-12-14 Kobe Steel Ltd 機械構造用複合めっき非鉄金属材
EP0679736A1 (fr) * 1994-04-28 1995-11-02 Fuji Oozx Inc. Amélioration des propriétés de surface d'une soupape de moteur en alliage de titane
US20050205425A1 (en) * 2002-06-25 2005-09-22 Integran Technologies Process for electroplating metallic and metall matrix composite foils, coatings and microcomponents
US20080196625A1 (en) * 2004-09-28 2008-08-21 Ahc Oberflachentechnik Gmbh & Co. Ohg Non-Galvanically Applied Nickel Alloy

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 199403, Derwent World Patents Index; AN 1994-023325, XP002761981 *
S. PAYDAR ET AL: "Influence of BN and B 4 C particulates on wear and corrosion resistance of electroplated nickel matrix composite coatings", TRIBOLOGY - MATERIALS, SURFACES & INTERFACES,, vol. 9, no. 2, 16 May 2015 (2015-05-16), pages 105 - 110, XP055303491, ISSN: 1751-5831, DOI: 10.1179/1751584X15Y.0000000007 *

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US11828207B2 (en) * 2016-02-17 2023-11-28 Mahle International Gmbh Internal combustion engine with at least one hollow-head valve
DE102017007079A1 (de) 2017-07-27 2018-01-25 Daimler Ag Ventilschaftdichtung eines Hubkolbenmotors, Hubkolbenmotor sowie Kraftfahrzeug
CN111946417A (zh) * 2019-05-17 2020-11-17 马勒国际有限公司 用于内燃机的气体交换阀
DE102019207267A1 (de) * 2019-05-17 2020-11-19 Mahle International Gmbh Gaswechselventil für eine Brennkraftmaschine
US11174763B2 (en) 2019-05-17 2021-11-16 Mahle International Gmbh Gas exchange valve for an internal combustion engine
CN114214684A (zh) * 2021-10-28 2022-03-22 中国航发西安动力控制科技有限公司 精密零件表面的金属-陶瓷梯度复合镀层及其制备方法
CN114214684B (zh) * 2021-10-28 2023-08-18 中国航发西安动力控制科技有限公司 精密零件表面的金属-陶瓷梯度复合镀层及其制备方法

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