EP3064613B1 - Système à couche avec résistance améliorée à la corrosion et à l'usure - Google Patents

Système à couche avec résistance améliorée à la corrosion et à l'usure Download PDF

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Publication number
EP3064613B1
EP3064613B1 EP15157442.3A EP15157442A EP3064613B1 EP 3064613 B1 EP3064613 B1 EP 3064613B1 EP 15157442 A EP15157442 A EP 15157442A EP 3064613 B1 EP3064613 B1 EP 3064613B1
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EP
European Patent Office
Prior art keywords
layer
tin
deposited
coating
particles
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EP15157442.3A
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German (de)
English (en)
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EP3064613A1 (fr
Inventor
Klaus Wilbuer
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.)
MTV Metallveredlung GmbH and Co KG
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MTV Metallveredlung GmbH and Co KG
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    • 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
    • C23C28/02—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 only coatings only including layers of metallic material
    • C23C28/021—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 only coatings only including layers of metallic material including at least one metal alloy layer
    • 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
    • C23C28/02—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 only coatings only including layers of metallic material
    • C23C28/027—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 only coatings only including layers of metallic material including at least one metal matrix material comprising a mixture of at least two metals or metal phases or metal matrix composites, e.g. metal matrix with embedded inorganic hard particles, CERMET, MMC.
    • 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
    • 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
    • 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
    • C25D3/00—Electroplating: Baths therefor
    • C25D3/02—Electroplating: Baths therefor from solutions
    • C25D3/56—Electroplating: Baths therefor from solutions of alloys
    • C25D3/58—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of copper
    • 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
    • C25D3/60—Electroplating: Baths therefor from solutions of alloys containing more than 50% by weight of tin
    • 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
    • C25D5/08—Electroplating with moving electrolyte e.g. jet electroplating

Definitions

  • the present invention relates to a layer system comprising a substrate and a coating for a substrate surface for the purpose of corrosion and wear protection, the coating consisting of a first layer deposited on the substrate surface and a second layer deposited on the first layer, wherein the first layer is a bronze Alloy layer consisting of a binary copper-tin-bronze.
  • the substrates to be coated may be conductive, metallic components as well as non-conductive substrates such as plastic components.
  • the deposited metal layers can on the one hand functionally change the substrate surfaces, on the other hand decorative. While the decorative coating of substrate surfaces is usually directed only to the visual impression of the deposited metal layers, in the field of functional deposition of metal layers, a change in the mechanical and / or chemical surface properties of the substrates is intended.
  • the abrasion resistance, wear resistance, surface hardness, the scratch behavior or the corrosion resistance of the surface of the substrate can be changed by deposition of suitable layers.
  • both the electrolytic deposition of layers, as well as the autocatalytic deposition of layers is known here.
  • chromium layers which are used as a coating for metal surfaces in order to improve the metal surfaces, in particular with regard to their wear resistance and corrosion resistance.
  • the electrolytic deposition of hard chromium layers from corresponding chromium electrolytes on metal surfaces is known, wherein the resulting hard chromium coating usually has a greater hardness than the material from which the substrate to be coated is manufactured.
  • These layers are also characterized by good corrosion resistance, compared to non-chloride media.
  • Hard chrome coatings are used, for example, in the field of design engineering for hydraulic components such as hydraulic cylinders and hydraulic pistons, for pressure rollers in the field of printing technology, or in the field of engine construction, for example for the coating of valve stems.
  • a further disadvantage of the hard chrome layers known from the prior art is that they are usually deposited from chromium (VI) -containing electrolytes.
  • chromium (VI) is suspected of being carcinogenic and the use of chromium (VI) -containing electrolytes should therefore be avoided.
  • EP 0 672 763 B1 a method of coating a metal surface in which a nickel-phosphorus alloy layer is deposited on the metal surface in a first step, to which then a silicon layer is deposited in a vacuum chamber using an ion beam.
  • a method for producing a layer system which preferably has a first Layer of nickel, copper, tin, molybdenum, niobium, cobalt, chromium, vanadium, manganese, titanium or magnesium or an alloy of at least one of these metals.
  • Deposited on the first layer is preferably a metal-nickel alloy layer, wherein the metal is selected from the group consisting of tin, copper, iron, tungsten and cobalt or an alloy of one of these components. While this coating system has been proven in practice, there is still interest in further improving corrosion resistance and wear resistance.
  • a sliding layer for a multi-layer sliding bearing of a tin-based alloy known.
  • This may contain, in addition to tin, at least one further element of the group antimony and copper, optionally lead and / or bismuth, and optionally at least one element of the group zirconium, silicon, zinc, nickel and silver.
  • Base alloys of the composition SnSbCu and SnSbCuBi are preferred.
  • Zirconium and silicon can be present as particles of the form ZrO 2 or SiC in the base alloy. This overlay can be deposited with layer thicknesses between 100 and 400 microns on a bronze layer.
  • the WO 88/00251 A2 discloses a bearing metal layer based on AlPb, AlSn or CuPb.
  • other alloying components such as tin, antimony, bismuth, titanium, boron, silicon, carbon, nickel, selenium, tellurium and cerium may be mixed.
  • Preferred bearing metal layers consist of AlPbSiSnCu and AlSn as well as CuPb with Se, Te or Zr additives. Particles of Al 2 O 3 , TiO 2 , Cr 2 O 3 , ZrO 2 , B 4 C, SiC, AIN and Si 3 N 4 may also be added to the bearing metal layer.
  • the bearing metal layer may be covered with a lead-tin alloy or lead-tin-antimony alloy lead-in layer.
  • metal alloys in particular aluminum bronze, with hard particles of oxides or carbides, in particular Al 2 O 3 , Cr 2 O 5 and Cr 3 C 2 .
  • each of the aforementioned layer systems is in need of improvement in terms of its corrosion resistance and / or in terms of its material requirements.
  • a coating consisting of a first bronze alloy layer and a second alloy layer deposited thereon of at least tin, nickel and possibly antimony in comparison with the coatings known from the prior art, has outstanding corrosion resistance, scratch resistance and wear resistance having.
  • the combination of the individual layers according to the invention according to claim 1 cooperates in synergetic and unpredictable manner, it has been found in particular that the antimony contained in the second layer as an alloy component interacts electrochemically with the bronze layer and in this way for an electrochemical stabilization of the coating according to the invention im concerned.
  • the free corrosion potential at the surface is thereby significantly improved and the electrostatic forces of attraction between the individual layers are increased.
  • Corresponding corrosion investigations have shown that the individual layers in each case have a significantly lower corrosion resistance than the coating according to the invention.
  • mechanical wear tests have shown that the coating according to the invention has both a higher hardness and a better abrasion resistance and scratch behavior than the respective individual layers.
  • the substrates coated according to the invention are exposed to an aqueous solution containing iron (III) chloride in accordance with ASTM standard G48 at a temperature of up to 40 ° C. under acidic conditions .
  • the coatings according to the invention exhibit superior corrosion resistance of more than 72 hours under these conditions, which satisfies this standard and therefore the coatings according to the invention are seawater-proof, ie seawater-resistant.
  • the coating has a total layer thickness of 2 to 150 ⁇ m, preferably 10 to 100 ⁇ m, more preferably 50 to 75 ⁇ m.
  • the choice of the layer thickness depends primarily on the field of application of the substrate and the associated requirements in terms of corrosion resistance and wear resistance. Particularly in the field of large-scale suitable large components which are exposed to a relatively large mechanical load, in particular in the offshore extraction of oil, natural gas or wind power or in ocean shipping, total layer thicknesses of 100 to 150 microns are particularly preferred.
  • the second alloy layer of at least tin, nickel and antimony has a layer thickness of at least 1 ⁇ m, preferably of at least 5 ⁇ m and more preferably of at least 10 ⁇ m.
  • the particular advantage of the coatings of the invention is to be able to achieve excellent corrosion resistance with a comparatively thin layer thickness.
  • the layer thickness of the coatings according to the invention can be greater, if necessary in order to be able to withstand other, in particular mechanical effects.
  • the layer thickness can also be 20 ⁇ m, 30 ⁇ m, 40 ⁇ m, 75 ⁇ m, 100 ⁇ m or even thicker, depending on the application.
  • the coating according to the invention has a higher durability and service life for the same layer thickness, which advantageously leads to a lower maintenance and repair expenditure.
  • the first layer is a bronze alloy layer.
  • the first layer is formed here from a binary copper-tin-bronze.
  • Tin bronzes can be divided into wrought alloys and casting alloys based on their tin content. Wrought alloys have a tin content below 9 wt .-%. Cast alloys have a tin content above 9% by weight. Both types of alloys are basically suitable for use as the first layer in the coating of the invention.
  • casting alloys with a tin content of at least 9% by weight, more preferably 9 to 13% by weight and more preferably 11% by weight are preferred.
  • tin bronzes in general, and in particular binary copper-tin bronzes with such a tin content in conjunction with the second layer according to the invention have particularly good corrosion resistance and wear resistance.
  • other copper alloys, commonly referred to as bronzes also fall under the generic term bronze, in particular aluminum bronzes, beryllium bronzes or lead bronzes.
  • Such bronzes are also suitable for use as the first layer in a coating not according to the invention.
  • aluminum bronze has excellent sea water resistance.
  • the second layer of at least tin, nickel and antimony contains at least one further alloying component.
  • This is for example a metal from the group copper, iron, tungsten or cobalt. It has been found that the corrosion resistance and the wear resistance can be further improved by the aforementioned components. According to the applicant's current state of knowledge, the synergetic interaction of these components with antimony results in an increase in the electrochemical stabilization of the individual layers of the coating according to the invention.
  • the first layer is deposited directly, ie without any intermediate layers on the substrate.
  • the second layer is deposited directly, ie without any intermediate layers on the first layer.
  • the surface of the second layer facing away from the first layer carries no further layers.
  • the coating is one with a two-layered layer system only.
  • the coating contains particles which are contained exclusively in the second layer.
  • the particles are preferably formed from a material which has a comparatively high hardness. In this way, advantageously, the wear resistance and the scratch behavior of the coating according to the invention can be further improved.
  • the particles are boron or boron compounds selected from boron carbide or boron nitride. Applicable but not according to the invention are particles of silicon compounds or titanium compounds.
  • Applicable silicon compounds are therefore silicon carbide (SiC) and / or silicon nitride (Si 3 N 4 ).
  • Usable titanium compounds are titanium nitride (TiN), titanium carbonitride (Ti (C, N)) and / or titanium aluminum nitride (TiAIN).
  • Boron compounds according to the invention are boron carbide (B 4 C) and / or boron nitride, in particular boron nitride (CBN; cubic crystalline boron nitride).
  • the coating can basically be applied to any substrate.
  • Metal substrates in particular stainless stainless steels, are particularly preferred substrates as the main substrate in the region of the components which are exposed to seawater and are protected particularly well against corrosion and wear by the coating according to the invention.
  • the object of the invention is achieved by a method for coating a substrate surface for the purpose of corrosion and abrasion protection according to claim 3 .
  • the coating is deposited on the substrate with a total layer thickness of 2 to 150 .mu.m, preferably with 10 to 100 .mu.m, more preferably with 50 to 75 .mu.m.
  • a total layer thickness of 2 to 150 .mu.m preferably with 10 to 100 .mu.m, more preferably with 50 to 75 .mu.m.
  • the layer thickness can also be deposited, for example, at 20 ⁇ m, 30 ⁇ m, 40 ⁇ m, 75 ⁇ m, 100 ⁇ m or even thicker.
  • a bronze alloy layer is deposited as the first layer.
  • the first layer is deposited here as a binary copper-tin bronze.
  • Both wrought alloys and cast alloys can basically be deposited as the first layer of the coating according to the invention.
  • casting alloys with a tin content of at least 9% by weight, particularly preferably 9 to 13% by weight and more preferably 11% by weight are preferably deposited.
  • other copper alloys commonly referred to as bronzes, such as, in particular, aluminum bronzes, beryllium bronzes or lead bronzes, which fall under the generic term of bronze, can also be deposited as the first layer. Because of its excellent sea water resistance, it is preferred to deposit aluminum bronze as the first layer.
  • At least one further alloying component is deposited to form the second layer.
  • a metal from the group copper, iron, tungsten or cobalt is used. It has been shown that the Corrosion resistance and wear resistance can be further improved by the aforementioned components.
  • particles are introduced into the coating according to the invention, namely exclusively into the second layer.
  • the particles are preferably formed from a material which has a comparatively high hardness.
  • particles are boron or boron compounds selected from boron carbide or boron nitride.
  • Applicable but not according to the invention are particles of silicon compounds or titanium compounds. It has been shown that in particular the carbides and nitrides of the aforementioned elements have particularly advantageous properties in terms of wear resistance.
  • Applicable silicon compounds are therefore silicon carbide (SiC) and / or silicon nitride (Si 3 N 4 ).
  • titanium compounds are titanium nitride (TiN), titanium carbonitride (Ti (C, N)) and / or titanium aluminum nitride (TiAIN).
  • Boron compounds according to the invention are boron carbide (B 4 C) and / or boron nitride, in particular boron nitride (CBN; cubic crystalline boron nitride).
  • CBN boron nitride
  • all the above-mentioned compounds may be incorporated in the coating alone or in combination with each other.
  • the exclusive use of boron carbides has proven to be particularly advantageous.
  • the particles are introduced only in the second layer, whereby an optimized compromise between corrosion and wear protection on the one hand and manufacturing costs and manufacturing costs on the other hand can be achieved.
  • the deposition of the individual layers of the coating can be carried out in the state-of-the-art electroless or electrolytic manner, depending on the type of layer.
  • an electrolytic deposition under application of a suitable deposition voltage between the substrate surface and a counter electrode and using a conventional bronze electrolyte (aqueous, copper and tin-containing electrolyte) is preferred.
  • the deposition of the present invention tin-nickel-antimony alloy layer as a second layer can also be electrolytically under application of a Separation voltage between the substrate surface and a suitable counter electrode or carried out autocatalytically using suitable reducing agents.
  • the deposition of the particles takes place according to the invention in a dispersion bath. If particles are not to be introduced into the entire coating according to the invention, the deposition of both the first and the second layer is to be carried out in a dispersion bath. If the particles are to be introduced only into one of the two layers, as in the invention exclusively into the second layer, then only the deposition of the corresponding layer into which the particles are to be introduced must take place in a dispersion bath. To form a homogeneous distribution of the particles in the coating, it is preferably provided to distribute the particles homogeneously in the dispersion bath during the deposition process of the respective layer. For this purpose, the introduction of a gas for circulating the electrolyte may preferably be provided.
  • the gas is preferably introduced into the dispersion bath from the bottom of the dispersion bath in the form of fine bubbles.
  • the bubbles preferably have a diameter in the range 0.5-10 ⁇ m, preferably 0.5-5 ⁇ m. More preferably, the gas is introduced either via nozzles at the bottom of the dispersion bath in this. Alternatively, the gas is introduced directly through a gas-permeable and liquid-tight membrane which forms the bottom of the bath.
  • the gas used is preferably a protective gas. This ensures that there are no unwanted side reactions of the gas with the alloying constituents. Protective gas used in particular in the prior art known protective gases such as nitrogen or argon.
  • a homogeneous distribution of the particles in the dispersion bath can also be achieved via electrolyte movement.
  • stirring devices for an internally induced movement of electrolytes in the dispersion bath can preferably be used for this purpose.
  • the electrolyte can also be set in motion by external excitation. This is preferably achieved by a suitable movement of the container of the dispersion bath.
  • the layer systems deposited according to the invention are particularly suitable for coating components in the field of hydraulic engineering, such as piston rods, piston tubes, storage rods, lifting cylinders, luffing cylinders, etc., for the Coating of printing rolls in the field of printing technology, for the coating of plant components and components in the field of marine engineering, in particular in the field of shipbuilding and the offshore extraction of wind power, natural gas and crude oil, as well as in the field of engine construction.
  • Fig. 1 the inventive method for coating a substrate surface is shown.
  • the substrate in this case of stainless steel ordinary steel, is introduced here in a galvanic bath.
  • This contains an aqueous electrolyte 2 with a copper source and a tin source.
  • a deposition voltage is applied between said surface and a suitable counterelectrode.
  • the deposition of a binary copper-tin-bronze layer as a first layer takes place directly on the substrate surface.
  • the bronze layer is deposited with a tin content of 11 wt .-%.
  • the layer thickness of the bronze layer is on average at 45 microns.
  • the substrate coated with the first layer is removed from the galvanic bronze bath, electrolyte residues are removed and introduced into a galvanic dispersion bath.
  • the dispersion bath contains an aqueous electrolyte 3 having a nickel source, a tin source and an antimony source.
  • a deposition voltage is applied between said surface and a suitable counterelectrode.
  • the dispersion bath contains boron carbide particles 4. These are distributed homogeneously in the dispersion bath for proper incorporation into the second layer.
  • the container of the dispersion bath is moved continuously.
  • the layer thickness of the second alloy layer is on average 45 m.
  • the boron carbide particles 4 are introduced into the second layer.
  • the introduction of the particles into the second layer is subject to equilibrium. It is therefore necessary to add the particles to the dispersion bath in an amount based on the amount to be introduced. This accelerates both the introduction of the particles into the second layer and increases the absolute amount of the particles introduced. As a consequence, this advantageously leads to an improvement in the corrosion and wear properties of the coating according to the invention.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Composite Materials (AREA)
  • Inorganic Chemistry (AREA)
  • Other Surface Treatments For Metallic Materials (AREA)

Claims (4)

  1. Système de couches comprenant un substrat et un revêtement pour la surface de substrat pour la protection contre la corrosion et l'usure, le revêtement étant composé d'une première couche déposée sur la surface de substrat et une deuxième couche déposée sur la première couche, la première couche étant une couche d'alliage de bronze composée d'une bronze-cuivre- étain, caractérisé en ce que
    la deuxième couche est une couche d'alliage, qui est composée d'étain, de nickel, d'antimoine et de particules de bore ou d'un composé de bore sélectionné parmi le carbure de bore ou le nitrure de bore, et que la première couche est dépourvue de ces particules.
  2. Système de couches selon la revendication 1, caractérisé en ce que la première couche contient au moins 9 % en poids d'étain.
  3. Procédé de revêtement d'une surface de substrat pour la protection contre la corrosion et l'usure, dans lequel une première couche est déposée sur la surface de substrat et dans lequel une deuxième couche est déposée sur la première couche, une couche d'alliage de bronze composée d'une bronze-cuivre-étain binaire étant déposée comme première couche, caractérisé en ce qu'une couche d'alliage composée d'étain, de nickel, d'antimoine et de particules de bore ou d'un composé de bore sélectionné parmi le carbure de bore ou le nitrure de bore est déposée comme deuxième couche, le dépôt de la deuxième couche étant effectué dans un bain de dispersion comprenant des particules de bore ou du composé de bore, les particules étant exclusivement introduites dans la deuxième couche.
  4. Utilisation d'un système de couches selon l'une des revendications 1 ou 2 pour munir des éléments de construction et/ou des composants hydrauliques exposés à l'eau de mer d'une résistance à la corrosion et à l'abrasion.
EP15157442.3A 2015-03-03 2015-03-03 Système à couche avec résistance améliorée à la corrosion et à l'usure Not-in-force EP3064613B1 (fr)

Priority Applications (1)

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EP15157442.3A EP3064613B1 (fr) 2015-03-03 2015-03-03 Système à couche avec résistance améliorée à la corrosion et à l'usure

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Application Number Priority Date Filing Date Title
EP15157442.3A EP3064613B1 (fr) 2015-03-03 2015-03-03 Système à couche avec résistance améliorée à la corrosion et à l'usure

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EP3064613A1 EP3064613A1 (fr) 2016-09-07
EP3064613B1 true EP3064613B1 (fr) 2018-08-01

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Publication number Priority date Publication date Assignee Title
DE102017005221A1 (de) * 2017-05-31 2018-12-06 Hochschule Mittweida (Fh) Harte und verschleißfeste Dispersionsschicht mit einer metallischen Matrix auf Substraten

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Publication number Priority date Publication date Assignee Title
US3941903A (en) * 1972-11-17 1976-03-02 Union Carbide Corporation Wear-resistant bearing material and a process for making it
DE3621184A1 (de) * 1986-06-25 1988-01-07 Glyco Metall Werke Schichtwerkstoff sowie verfahren zu seiner herstellung durch vakuum-plasma-spritzen
DE4443461C1 (de) * 1994-12-07 1996-07-04 Wieland Werke Ag Band- bzw. drahtförmiges Verbundmaterial und seine Verwendung
EP2233611A1 (fr) * 2009-03-24 2010-09-29 MTV Metallveredlung GmbH & Co. KG Système de couche doté d'une résistance améliorée à la corrosion
AT509111B1 (de) * 2009-12-10 2011-09-15 Miba Gleitlager Gmbh Gleitschicht

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