EP3681956A1 - Vernis de glissement, élément de glissement pourvu d'un tel vernis et utilisation de celui-ci - Google Patents

Vernis de glissement, élément de glissement pourvu d'un tel vernis et utilisation de celui-ci

Info

Publication number
EP3681956A1
EP3681956A1 EP18769625.7A EP18769625A EP3681956A1 EP 3681956 A1 EP3681956 A1 EP 3681956A1 EP 18769625 A EP18769625 A EP 18769625A EP 3681956 A1 EP3681956 A1 EP 3681956A1
Authority
EP
European Patent Office
Prior art keywords
layer
coating
sliding
sliding element
bonded
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.)
Pending
Application number
EP18769625.7A
Other languages
German (de)
English (en)
Inventor
Achim Adam
Joachim SCHLÜTER
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.)
Federal Mogul Wiesbaden GmbH
Original Assignee
Federal Mogul Wiesbaden 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 Federal Mogul Wiesbaden GmbH filed Critical Federal Mogul Wiesbaden GmbH
Publication of EP3681956A1 publication Critical patent/EP3681956A1/fr
Pending legal-status Critical Current

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    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
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    • C09D179/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen, or carbon only, not provided for in groups C09D161/00 - C09D177/00
    • C09D179/04—Polycondensates having nitrogen-containing heterocyclic rings in the main chain; Polyhydrazides; Polyamide acids or similar polyimide precursors
    • C09D179/08—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
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    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
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    • C10M169/00—Lubricating compositions characterised by containing as components a mixture of at least two types of ingredient selected from base-materials, thickeners or additives, covered by the preceding groups, each of these compounds being essential
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    • F16C33/10—Construction relative to lubrication
    • F16C33/1095—Construction relative to lubrication with solids as lubricant, e.g. dry coatings, powder
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    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/48—Particle sizes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/60—Thickness, e.g. thickness of coatings
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction 

Definitions

  • Sliding elements in engines usually consist of multilayer materials with specially modified surfaces that optimize the sliding properties.
  • the surfaces of plain bearings are metallic layers, for example on the basis of lead, tin or aluminum, which are applied by galvanic processes, vapor deposition or by mechanical plating.
  • Resin-based lubricious coatings have been widely used in mechanical structures for many years as a means of reducing friction.
  • metal, plastic and rubber parts are coated, which must be permanently easy to move without further lubrication.
  • the stresses are rather low and the boundary conditions such as temperature or media are not critical.
  • the paint matrix consists of polyamide-imide (PAI), polyimide (PI), epoxy and phenolic resin, polybenzimidazole (PBI) or polyetheretherketone (PEEK).
  • PAI polyamide-imide
  • PI polyimide
  • PBI polybenzimidazole
  • PEEK polyetheretherketone
  • oxides As oxides, nitrides, carbides, silicates, metals, eg. B. Al, Cu, Ag, W, Ni, Au filled, see for example WO 2004/002673 A1.
  • Other fillers such as ZnS or BaSO 4 are mentioned in the document WO 2015097159 A1.
  • the layer is applied by spraying or printing and subsequent thermal curing.
  • a metal / plastic sliding bearing composite material with a metallic support layer and a porous support layer is known.
  • the pores of the carrier layer are filled by a sliding layer material based on fluorine-free thermoplastics and the tribological properties of improving fillers.
  • the known coatings have a wear rate in the case of deficient lubrication states at high rotational speeds, as a result of which the layer wears out completely in the event of frequent occurrence of this condition. This can lead to the total failure of storage by seizure especially for substrate materials with limited sliding properties, which is generally the case with the copper-based bearing metals.
  • the use of iron (III) oxide as a functional filler is proposed in order to counteract this.
  • the finely divided oxide can provide improved wear resistance, which pays off especially in engines in start-stop operation, in additional loads of the crankshaft by belt drives and waves with higher roughness.
  • deficient lubrication conditions and adjustment requirements due to geometrical deviations of the shape of bearing and counter-rotor, or at edge loads caused by misalignment can but to a local thermal heating of the shaft journal caused by friction and subsequently to the thermal weakening of the polymer matrix, which can lead to failure of the layer and in turn to seizure on the substrate material.
  • the object of the invention is therefore to provide a bonded coating with a low wear rate, which nevertheless has sufficient emergency running properties even under critical lubrication conditions, adaptation requirements and high rotational speeds, so that a local failure of the layer is avoided.
  • the object is achieved by a lubricating varnish according to claim 1, a sliding element according to claim 15, the use of the lubricating varnish according to claim 33 and a method according to claim 34.
  • the bonded coating according to the invention comprises a polymer as resin matrix and functional fillers, wherein the functional fillers contain mixed phase oxides and optionally further functional fillers.
  • the sliding element according to the invention has a metallic substrate layer and a coating of at least one antifriction lacquer applied thereto with these characteristics.
  • the bonded coating according to the invention is therefore preferably suitable as a coating for a sliding bearing with a metallic substrate layer.
  • a particularly preferred application is the coating of a bearing shell or bushing in an internal combustion engine, in particular as a crankshaft main bearing or connecting rod bearings. This application places particularly high demands on the load-bearing capacity of the paint and the metallic substrate.
  • the invention further relates to a method for producing a sliding element. The method comprises providing a metallic substrate layer, applying the lubricating varnish in a solvent dissolved on the substrate layer and curing the bonded varnish. The hardening of the bonded coating on the substrate layer forms a coating on the substrate layer.
  • the curing of the bonded coating preferably comprises a crosslinking of the polymer and a (usually simultaneous) withdrawal of the solvent.
  • a thermally curable bonded coating can be used.
  • the curing can then take place with heating of the bonded coating.
  • the heat acting on the lubricating varnish can influence the removal of the solvent.
  • the heat supply can promote the crosslinking process thermally curable bonded coatings.
  • Mated phase oxides are understood as meaning finely divided mixed phase oxides, which are also referred to as mixed phase oxide pigments, in which case the finish-cured bonded coating without solvent is referred to as "lubricating lacquer".
  • the inventors have found in the analysis of the cases in which iron (III) oxide is used as a functional filler that it can be disadvantageous if the wear resistance is too high, since this is the duration of the adaptation processes and the prolonged connected local heating. Therefore, the invention provides to modify the wear resistance of the bonded coating so that a little more adaptation wear in favor of a lower heating is possible.
  • the document EP 2 563 590 A1 describes the use of mixed phase oxide pigments in sliding layers of sliding bearing composite materials which have a porous substructure, for example made of bronze, in which a polymerized friction layer material based on fluoropolymer, in particular PTFE, is impregnated. is defined.
  • the sliding layer material consists of at least 60% by volume of fluoropolymers and furthermore has at least 5% by volume of hexagonal boron nitride.
  • the bronze is exposed at the contact surface in such sliding layers and forms the supporting surface.
  • the mixed-phase oxide pigments together with the hexagonal boron nitride should increase the wear resistance.
  • these sliding layers are not formed from antifriction paints. They are mainly used for unlubricated or lightly lubricated applications. Bearings with such overlays, however, can not solve the problem, because they are generally unsuitable for use on the crankshaft in internal combustion engines.
  • the porous substrate does not have sufficient fatigue strength for this purpose and the sliding layer material alone does not have sufficient load capacity.
  • the paint is not applied to a porous sintered layer, but preferably to a solid metallic substrate layer, a so-called solid material, or to a composite material on a metal-plated substrate layer deposited by roll-coating, casting or by electrochemical or physical vapor deposition (PVD).
  • PVD physical vapor deposition
  • the mixed phase oxides in the bonded coating according to the invention are hard enough to achieve a wear-reducing effect in the surface. They are therefore suitable to replace the known for this purpose used iron (lll) oxide. However, they are not so hard that by mechanical interaction the wave surface can be machined, that is smoothed or abraded, while iron (III) oxide is just so hard that it is even suitable for polishing steel. It is therefore assumed that due to the lower hardness of the mixed phase oxides in the bonded coating according to the invention no such high friction energy in the system of plain bearings and counter-rotor such as when using iron (III) oxide, so that the anti-friction coating is a little less resistant to wear, but can withstand short shortage lubrication conditions even at very high speeds.
  • the Rosiwal grinding hardness of the mixed phase oxides should consequently preferably be below that of iron (III) oxide, ie below 55, in order to minimize the energy input into the counter-rotor.
  • crankshaft bearings could be increased to up to 120 MPa when using the antifriction varnish according to the invention, a value which is otherwise only achieved by aluminum-based sputtering layers.
  • Lifetime lubrication life has more than tripled compared to coatings with harder oxides.
  • the mixed phase oxides in a proportion of 0, 1 to 15 vol .-%, particularly preferably from 0.5 to 8 vol .-%, based on the cured bonded coating.
  • cured lubricating varnish or “cured lubricating varnish layer” herein refer to the lubricating varnish or layer formed therefrom after curing without consideration of the solvent.
  • the mixed phase oxides are particularly preferably contained in a proportion of 0.5 to 8% by volume, based on the cured bonded coating.
  • Mixed phase oxides are not mixtures of oxides but oxides in which certain crystal lattice sites are occupied by the various metal ions.
  • the mixed phase oxides preferably contain at least two of the elements titanium, cobalt, aluminum, nickel, antimony, chromium, iron or zinc.
  • the mixed phase oxides are formed from titanium and at least two of the elements cobalt, aluminum, nickel, antimony, chromium, iron or zinc.
  • the mixed phase oxides are Co-Al oxide, Ni-Sb-Ti oxide, Fe-Al oxide and Co-Ti-Ni-Zn oxide.
  • the mixed phase oxides are preferably present in the form of rutile, spinel or hematite structure. It has been found that, in particular, finely divided rutile mixed-phase oxides meet the requirements in terms of wear resistance and dry running because their hardness is just below that of the steel.
  • the mixed phase oxides have an average particle size in the form of the D50 value in the range from 0.05 to 2.0 m, particularly preferably from 0.1 to 0.5 m.
  • the functional fillers optionally contain one or more of the substances solid lubricants, hard materials and the thermal conductivity improving or wetting the paint surface affecting substances.
  • the addition of solid lubricants improves the emergency running properties, ie the behavior in non-hydrodynamic operating states. As a wear reducer or for conditioning a wave smaller amounts of other hard materials (hard materials) are used and the thermal conductivity improving substances serve the rapid removal of frictional heat and thus the permanent load.
  • metal sulfides with layer structure such as M0S2, WS 2 , SnS 2 , graphite, hexagonal BN, polytetrafluoroethylene (PTFE) or ZnS / BaS0 4 mixtures are used.
  • layer structure such as M0S2, WS 2 , SnS 2 , graphite, hexagonal BN, polytetrafluoroethylene (PTFE) or ZnS / BaS0 4 mixtures are used.
  • hard materials are preferably nitrides, carbides, borides, oxides, for. As SiC, Si 3 N 4, B 4 C3, cubic BN, or S1O2 used.
  • heat conductivity improving substances are preferably one or more metal powder, in particular consisting of Ag, Pb, Au, Sn, Al, Bi or Cu.
  • Mixed oxides can be influenced wetting and surface properties.
  • the total amount of all functional additives, including mixed phase oxide, should be chosen so that their total volume fraction does not exceed 75% of the cured lubricating varnish.
  • the volume fraction of the hard materials is advantageously not greater than 10%, more preferably not greater than 5% by volume, and that of the metal powder is not greater than 30%. Larger hard material components worsen the sliding properties and have an abrasive effect on the shaft running surface. Larger metal shares are difficult to disperse and are therefore poor for processing properties.
  • the polymer is preferably selected from the group consisting of polyimides (PI), polyamideimides (PAI), polyetherimides (PEI) and polyesterimide, epoxy resins (EP), phenolic resin, polybenzimidazole (PBI), silicone resin, high-melting thermoplastics, in particular having a melting point above of 220 ° C, polyarylates, polyetheretherketone (PEEK) and poly (oxy-1,4-phenylsulfonyl-1,4-phenyl) (PES).
  • PI polyimides
  • PAI polyamideimides
  • PEI polyetherimides
  • PET polyesterimide
  • EP epoxy resins
  • PBI polybenzimidazole
  • silicone resin high-melting thermoplastics, in particular having a melting point above of 220 ° C
  • PEEK polyetheretherketone
  • PES poly (oxy-1,4-phenylsulfonyl-1,4-phenyl)
  • Polyamideimides PAI
  • polyesterimide epoxy resins (EP)
  • phenolic resin epoxy resins (EP)
  • polybenzimidazole PBI
  • silicone resin high-melting thermoplastics, in particular having a melting point above 220 ° C.
  • polyarylates and poly (oxy-1, 4-phenylsulfonyl-1) are particularly preferred , 4-phenyl) (PES).
  • the sliding element according to the invention has a metallic substrate layer and a coating applied thereon of at least one lubricating varnish of the type described above.
  • the thicknesses of the crosslinked anti-friction coating layers in the finished sliding element are advantageously between 1 and 50 m.
  • the thickness as is customary for sliding elements, is adapted to the size of the component, ie thicknesses of 5 to 25 m are particularly preferred for bearings with diameters of up to 130 mm. Under 5 m, the adaptability is lost and over 25 mm, the resilience of the layer decreases sharply. For large bearings with a diameter of more than 130 mm, however, layer thicknesses of the bonded coating layers of up to 50 ⁇ m are acceptable, because in these cases increased wear on the inlet due to geometry errors or larger tolerance ranges is to be expected.
  • R z 1 to 10 m
  • improved adhesion was determined and on the other hand leads to the rough surface that at partial wear of the coating initially only the tips, ie very small surface portions of the metallic substrate layer are exposed, which increases the carrying capacity of the surface, without equal to the susceptibility to larger have exposed portions of the metallic substrate.
  • the required roughness can be generated by mechanical methods such as sandblasting or grinding, but also chemically by phosphating or approaches.
  • regular substrate structures are also advantageous, which can be produced by drilling, broaching or embossing.
  • Blasting with hard particles has proved to be particularly advantageous. It is believed that low levels of particulate residue in the surface can provide additional improvement in wear resistance as the bearing metal is exposed locally by conformal effects or otherwise induced wear of the paint layer.
  • the metallic substrate layer can in turn consist of a single metal layer (solid material) or a composite layer (composite material), by a plurality of functionally different metal layers.
  • the respectively exposed layer of the substrate layer, on which the coating of the bonded coating is applied, can therefore consist of different metals or metal alloys, in particular a Cu, Al, Ni, Sn, Zn, Ag, Au, Bi or Fe alloy, be formed.
  • the metallic substrate layer may be used in a composite material
  • Both the steel support layer and the bearing metal layer may, depending on the required properties, in particular the strength, individually or in combination in the substrate layer or form them.
  • the coating of the lubricating varnish is preferably formed as an inlet layer for adaptation or conditioning of the counter-rotor, in the case of a radial bearing of the shaft material.
  • An "inlet layer for conditioning a counter-runner" in the sense of this teaching requires at least the addition of hard materials of at least 0.5% by weight, based on the cured bonded coating layer.
  • an "inlet layer for adaptation" in the sense of this teaching is obtained without additional hard materials, for example by increasing the content of lubricants or reducing the binder content, if one starts from the composition of the actual sliding layer.
  • Both inlet layers preferably have a layer thickness of 1 to 5 m and can be particularly advantageous on highly stressable sputtered layers, in particular those based on AISn. But also on galvanic sliding layers, the run-in layers are advantageous, especially if the surface of the counter-runner is particularly aggressive.
  • the bearing metal layer forms the exposed metal layer on which the coating of the anti-friction varnish is applied, this is the coating of the anti-friction varnish preferably designed as an independent sliding layer with a long service life.
  • a “sliding layer with a long service life” requires at least a layer thickness of between 5 and 25 M.
  • the service life layer should last as long as possible, for which it requires a certain level of wear resistance and a sufficient thickness.
  • the use of the coating as a sliding layer on CuSn, CuNiSi, CuZn, CuSnZn, AlSn, AISi, AlSnSi, AlZn bearing metal alloys is advantageous.
  • the metallic substrate layer of the sliding element has an intermediate layer, preferably made of Sn, Ni, Ag, Cu, Fe or their alloys on the steel backing layer or, if present, on the bearing metal layer, on which intermediate layer either the covering or sliding layer or directly Coating of the bonded coating is formed.
  • the intermediate layer forms the exposed layer of the substrate layer.
  • Particularly preferred are intermediate layers of Ni or Ag and their alloys.
  • the intermediate layer is optional and serves to improve bonding and / or sliding properties when the coating and, if present, the cover or sliding layer are completely worn.
  • the intermediate layer may in turn be made up of one or more individual layers, for example of a combination of a Ni and a NiSn layer.
  • a particular embodiment of the invention provides that the coating is a multi-layer system of at least two bonded coatings, of which at least one bonded coating is formed in the manner described above, wherein the bonded coatings are designed such that an upper anti-friction coating layer as a run-in layer for conditioning a counter-rotor a lower anti-friction varnish is simply formed, which is designed as a sliding layer with a long service life.
  • An alternative multilayer system according to this invention is constructed so that under a top lubricating layer as a sliding layer having good sliding and matching properties, a lower anti-friction layer is formed as a sliding layer having high wear resistance.
  • a “sliding layer with good sliding and adaptation properties" in the sense of this teaching presupposes at least the addition of solid lubricants of a total of 30 to 60% by volume, based on the cured bonded coating layer and a layer thickness of between 1 and 10 m is rather low or non-existent, so here it is first of all an optimization of the sliding properties, ie a reduction in friction and an increase in the adaptability and embedding ability, on which the mechanical resistance is matched.
  • a “sliding layer with high wear resistance” in the sense of this teaching has the task of further increasing the operational reliability of the sliding element or bearing in that it is optimized in particular with respect to its wear resistance and thus delays complete passage through to the bearing metal
  • the sliding layer with high wear resistance is similar to the service life layer in terms of the content of mixed phase oxides, but in the latter case it is just the thickness that determines the service life.
  • a multi-layer system can also be constructed so that an additional anti-friction coating is applied below the service life layer, which further increases the operational safety of the bearings by being optimized in particular with respect to their wear resistance and thus complete running through the bearing metal is delayed.
  • mixed phase oxides can be mixed in as an option.
  • Another sliding element with a multilayer system provides that the coating consists of at least two anti-friction paints, of which at least one anti-friction paint is formed in the manner described above, with an additional, low or no additivated lower anti-friction coating between the metallic substrate and an upper is designed as a sliding layer with good sliding and adaptation properties or as a sliding layer with high wear resistance or designed as a sliding layer with a long service life Gleitlacktik.
  • a "low or non-additivated antifriction coating” presupposes the following measure: the fraction of functional fillers is 0 to 25% by volume, based on the cured antifriction varnish a primer whose purpose is to improve the bonding of the overlying lubricating varnish layer.
  • This low or non-additized lubricating varnish layer is also preferably thinner than the overlying antifriction coating layer and particularly preferably only from 0.5 to 5 m thick.
  • the coating of the sliding element is preferably a multi-layer system of at least two anti-friction paints, of which at least one anti-friction paint is formed in the manner described above, wherein the anti-friction coatings at least with respect to a substance selected from the group consisting of Mischphasenoxiden, solid lubricants, hard materials and the heat conductivity improving substances depending on the application have different proportions.
  • a development of the invention provides a sliding element with a Coating of a gradient layer system.
  • the gradient layer system consists of at least two bonded coatings, of which at least one bonded coating is formed in the manner described above, wherein at least one substance selected from the group consisting of Mischphasenoxiden, solid lubricants, hard materials and the thermal conductivity improving substances depending on at least a portion of the layer thickness Application has an increasing or decreasing share.
  • the sliding elements described above designed as plain bearing shell or bushing (as a connecting rod bearing or crankshaft bearing), are used in an internal combustion engine.
  • the lubricating varnish is directly suitable as a coating in the internal combustion engine, for example for the pistons as a shirt coating, or the piston rings as anti-microwelding flank coating.
  • Fig. 1 shows a schematic layer structure of a sliding element according to
  • FIG. 2 shows a schematic layer structure of a sliding element according to FIG.
  • FIG. 3 shows a schematic layer structure of a sliding element according to FIG.
  • FIG. 4 shows a schematic layer structure of a sliding element according to FIG.
  • a fourth embodiment of the invention and 5 shows a schematic layer structure of a sliding element according to a fifth exemplary embodiment of the invention.
  • All exemplary embodiments have a metallic substrate layer 11, 21, 31, 41, 51 and a coating 12, 22, 32, 42, 52 applied thereon of at least one bonded coating according to the invention, the internal structure of the substrate layer and / or the coating varying.
  • the thickness of the coating is between 1 and 50 m, wherein the schematic representations do not reproduce the real layer thickness ratios neither exactly nor proportionally correct, but merely serve to give an idea of the order of the layers.
  • the metallic substrate layer 11 of the sliding element according to FIG. 1 has a supporting layer 13, usually made of steel, and a bearing metal 14, usually based on a Cu or Al alloy, as well as an intermediate layer 15, which in turn is composed of one or more individual layers can and improves the bond between the bearing metal layer and the coating 12 is used.
  • the interlayer may also be configured to have improved slip or runflat properties upon wear of the overlying layer.
  • the coating 12 consists in this embodiment of a single layer 16 of the bonded coating according to the invention.
  • the bearing metal layer can be dispensable.
  • the interlayer is also optional, as shown in some of the following embodiments.
  • the metallic substrate layer 21 of the sliding element again consists of a steel support layer 23 and a bearing metal layer 24 on which the coating 22 is once again applied in the form of a single layer 26 of the bonded coating according to the invention without an intermediate layer.
  • the exemplary embodiment according to FIG. 3 has a metallic substrate layer 31, which consists of a steel support layer 33, a bearing metal layer 34, an intermediate layer 35 and a thin metallic sliding or covering layer 37 applied thereon.
  • the sliding or covering layer 37 is sputtered onto the intermediate layer 35 or electrodeposited there.
  • the intermediate layer 35 serves for improved bonding of the metallic sliding or covering layer 37 on the bearing metal layer 34.
  • the coating 32 is applied in the form of a single layer 36 of the inventive lubricating varnish on the sliding layer 37 and serves as a running-in layer.
  • As a running-in layer it is possible to use both a coating composition which is optimized for the conditioning of the antagonist and a coating composition which is optimized with regard to the adaptation.
  • FIG. 4 shows an exemplary embodiment with a metallic substrate layer 41, which consists of a steel support layer 43 and a bearing metal layer 44.
  • the coating 42 is arranged in the form of a multi-layer system of at least two bonded coatings, of which at least one bonded coating is formed according to the invention.
  • the coating 42 concretely has an upper lubricating varnish layer 46 formed as a running-in layer and, below, a lubricating varnish layer 48 which is in contact with the metal substrate 41 and formed as a high-life sliding layer.
  • the lifetime varnish layer 48 consists of the antifriction varnish according to the invention with mixed phase oxides; the inlet layer 46 applied thereto can optionally contain these.
  • a lacquer composition can also be used here, which is suitable for the Conditioning of the contra-rotor is optimized, or a coating composition that is optimized in terms of adaptation.
  • FIG. 5 shows an exemplary embodiment with a metallic substrate layer 51, which consists of a steel support layer 53 and a bearing metal layer 54.
  • the coating 52 is arranged in the form of a multi-layer system of at least two bonded coatings, of which at least one lubricating varnish are formed according to the invention.
  • Coating 52 has a lower anti-friction varnish layer 58 on top of metallic substrate 51 and an upper anti-friction varnish layer 56 thereon.
  • the upper anti-friction layer 56 forms a sliding layer with good sliding and matching properties or a high-life sliding layer and contains the mixed phase oxides.
  • the lower anti-friction coating is optimized for adhesion to the substrate and, like a primer, has the purpose of improving the bonding of the overlying anti-friction coating and may optionally contain the mixed phase oxides.
  • Table 1 below gives some example compositions of the bonded coating according to the invention.
  • PEI M0S2 Co-Ti-Ni-Zn oxide The exposed layers of the substrate consist for example of the alloys indicated in Table 2 and have the respective assigned function in the sliding element:
  • Anti-friction coating service life Anti-friction coating, primer

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Inorganic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Lubricants (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Paints Or Removers (AREA)

Abstract

L'invention concerne un vernis de glissement contenant un polymère comme matrice de résine et des charges fonctionnelles, les charges fonctionnelles contenant des oxydes de phase mixte et éventuellement d'autres charges fonctionnelles. L'invention concerne en outre un élément de glissement pourvu d'une couche de substrat métallique, sur laquelle est appliqué un revêtement composé d'au moins un vernis de glissement de ce type, ainsi qu'un procédé de fabrication de celui-ci.
EP18769625.7A 2017-09-12 2018-09-07 Vernis de glissement, élément de glissement pourvu d'un tel vernis et utilisation de celui-ci Pending EP3681956A1 (fr)

Applications Claiming Priority (2)

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DE102017216110.8A DE102017216110A1 (de) 2017-09-12 2017-09-12 Gleitlack, Gleitelement mit einem solchen und dessen Verwendung
PCT/EP2018/074101 WO2019052903A1 (fr) 2017-09-12 2018-09-07 Vernis de glissement, élément de glissement pourvu d'un tel vernis et utilisation de celui-ci

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DE102018100659B3 (de) 2018-01-12 2019-02-07 Ks Gleitlager Gmbh Gleitlagerelement
US10941766B2 (en) * 2019-06-10 2021-03-09 Halliburton Energy Sendees, Inc. Multi-layer coating for plunger and/or packing sleeve
DE102019130354B4 (de) * 2019-11-11 2023-02-16 Fuchs Schmierstoffe GmbH Verfahren zur Herstellung von Innenkettengliedern für verschleißarme Ketten sowie verschleißarme Kette
AT523588B1 (de) * 2020-03-03 2024-05-15 Miba Gleitlager Austria Gmbh Gleitlack
KR102668836B1 (ko) * 2021-11-30 2024-05-29 홍정기 슬라이딩 테이블 구조 및 이를 포함하는 슬라이딩 테이블
JP7347907B1 (ja) * 2023-03-24 2023-09-20 住鉱潤滑剤株式会社 乾性潤滑被膜形成用の塗料組成物、乾性潤滑被膜

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3909087A (en) * 1973-01-17 1975-09-30 Garlock Inc Composite bearings
JPS60258297A (ja) * 1984-06-05 1985-12-20 Daido Metal Kogyo Kk 耐摩耗性にすぐれた摺動材料
JP3026272B2 (ja) * 1990-11-29 2000-03-27 大豊工業株式会社 すべり軸受
JP3054589B2 (ja) 1996-02-29 2000-06-19 大同メタル工業株式会社 すべり軸受の軸受構造
WO1999043963A1 (fr) 1998-02-24 1999-09-02 Taiho Kogyo Co., Ltd. Coussinet pour moteur thermique
DE19833375A1 (de) * 1998-07-24 2000-01-27 Weilburger Lackfabrik Jakob Gr Gegenstand mit einer Pigment, Fluorpolymer und Bindeharz enthaltenden Beschichtung, Verfahren zu dessen Herstellung und dessen Verwendung
WO2004002673A1 (fr) 2001-06-29 2004-01-08 Mccrink Edward J Tubage soude en continu en acier durcissable a l'air
JP2007107589A (ja) 2005-10-12 2007-04-26 Daido Metal Co Ltd すべり軸受
US7910527B2 (en) * 2006-03-21 2011-03-22 University Of Florida Research Foundation Wear resistant lubricious composite
JP4420940B2 (ja) * 2007-06-15 2010-02-24 大同メタル工業株式会社 乾性潤滑被膜組成物及び該乾性潤滑被膜組成物を摺動層としたすべり軸受
AT506181B1 (de) * 2007-12-11 2012-07-15 Miba Gleitlager Gmbh Lagerelement
DE102008055194A1 (de) 2008-12-30 2010-07-08 Federal-Mogul Wiesbaden Gmbh Gleitelement
DE102010018328B4 (de) 2010-04-27 2011-12-08 Ks Gleitlager Gmbh Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlager
DE102011003797B3 (de) 2011-02-08 2012-05-03 Federal-Mogul Wiesbaden Gmbh Gleitlagerverbundwerkstoff
DE102011077008A1 (de) * 2011-06-06 2012-12-06 Ks Gleitlager Gmbh Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement
DE102011089975B3 (de) * 2011-12-27 2013-04-18 Ks Gleitlager Gmbh Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement
DE102013202123C5 (de) * 2013-02-08 2018-01-04 Ks Gleitlager Gmbh Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement
DE102013202121A1 (de) * 2013-02-08 2014-08-14 Ks Gleitlager Gmbh Metall/Kunststoff-Gleitlagerverbundwerkstoff und hieraus hergestelltes Gleitlagerelement
GB201314815D0 (en) * 2013-08-19 2013-10-02 Mahle Int Gmbh Sliding engine component
GB201322453D0 (en) 2013-12-18 2014-02-05 Dow Corning Antifriction coating
DE102013227186B4 (de) * 2013-12-27 2016-08-18 Federal-Mogul Wiesbaden Gmbh Gleitlackbeschichtung und Gleitlager-Schichtverbundwerkstoff mit einer solchen
EP3023456B1 (fr) * 2014-11-18 2019-06-19 Miba Gleitlager Austria GmbH Élément de palier lisse
CN104673034A (zh) * 2015-03-10 2015-06-03 江苏欣安新材料技术有限公司 一种纳米硅盐填料锌铝复合隔热涂料及其制备方法
JP6006830B1 (ja) * 2015-04-27 2016-10-12 大同メタル工業株式会社 摺動部材
WO2016181674A1 (fr) * 2015-05-14 2016-11-17 住友電工ファインポリマー株式会社 Feuille de renforcement adhésive, élément coulissant et procédé permettant de produire une feuille de renforcement adhésive
JP2017115135A (ja) * 2015-12-11 2017-06-29 株式会社リコー 摺動部材、部品、および機械装置の騒音低減方法
CN105602368A (zh) * 2016-01-11 2016-05-25 宁波瑞世达新材料有限公司 一种高粘接性的减摩涂层材料
CN106189687B (zh) * 2016-07-15 2018-03-16 东北石油大学 一种减摩耐磨涂层
CN107488401A (zh) * 2017-09-22 2017-12-19 苏州天键衡电子信息科技有限公司 一种环保设备用耐火耐腐反光环保涂层

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DE102017216110A1 (de) 2019-03-14
CN111094467A (zh) 2020-05-01
US20200208680A1 (en) 2020-07-02
JP7227256B2 (ja) 2023-02-21
US20230003254A1 (en) 2023-01-05
US11668346B2 (en) 2023-06-06
US11466732B2 (en) 2022-10-11
JP2020533475A (ja) 2020-11-19
WO2019052903A1 (fr) 2019-03-21

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