WO2013167604A1 - Gleitkörper mit beschichtung - Google Patents
Gleitkörper mit beschichtung Download PDFInfo
- Publication number
- WO2013167604A1 WO2013167604A1 PCT/EP2013/059510 EP2013059510W WO2013167604A1 WO 2013167604 A1 WO2013167604 A1 WO 2013167604A1 EP 2013059510 W EP2013059510 W EP 2013059510W WO 2013167604 A1 WO2013167604 A1 WO 2013167604A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- main layer
- layer
- main
- sliding body
- coating
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0641—Nitrides
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J9/00—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction
- F16J9/26—Piston-rings, e.g. non-metallic piston-rings, seats therefor; Ring sealings of similar construction characterised by the use of particular materials
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/0676—Oxynitrides
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/06—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the coating material
- C23C14/08—Oxides
- C23C14/083—Oxides of refractory metals or yttrium
-
- 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
- C23C14/00—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material
- C23C14/22—Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material characterised by the process of coating
- C23C14/24—Vacuum evaporation
- C23C14/32—Vacuum evaporation by explosion; by evaporation and subsequent ionisation of the vapours, e.g. ion-plating
- C23C14/325—Electric arc evaporation
-
- 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
- C23C16/00—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
- C23C16/44—Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes characterised by the method of coating
-
- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/32—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer
- C23C28/322—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one pure metallic layer only coatings of metal elements only
-
- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/34—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates
- C23C28/347—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including at least one inorganic non-metallic material layer, e.g. metal carbide, nitride, boride, silicide layer and their mixtures, enamels, phosphates and sulphates with layers adapted for cutting tools or wear applications
-
- 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
- C23C28/30—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer
- C23C28/36—Coatings combining at least one metallic layer and at least one inorganic non-metallic layer including layers graded in composition or physical properties
-
- 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
- C23C28/40—Coatings including alternating layers following a pattern, a periodic or defined repetition
- C23C28/42—Coatings including alternating layers following a pattern, a periodic or defined repetition characterized by the composition of the alternating layers
Definitions
- the present invention relates to a sliding body, in particular for a
- Internal combustion engine having a base body and a coating.
- the invention further relates to a method for producing such a slider.
- Sliders find a variety of applications and are well known in the art.
- a slider for an internal combustion engine is used, for example, in the combustion chamber of the internal combustion engine and can be designed in particular as a piston ring. Typical of such
- Slip body is that they slide along another body, creating friction between these bodies. The longevity of such sliding body is under high mechanical and thermodynamic
- such a sliding body may have a coating which is applied to a base body of the slider.
- a coating which is applied, for example, to a piston ring.
- the coating comprises a mixture of crystalline chromium nitride and crystalline molybdenum nitride, wherein the
- Crystal structures of at least one of the elements oxygen and carbon in the form of a solid solution
- the present invention is concerned with the problem for a slider of the type mentioned an improved or at least alternative
- the present invention is based on the general idea, a
- Main layer or its surface is in use of the body with another body, where it slides along in contact.
- Main layer has the main components molybdenum, nitrogen and oxygen.
- the main constituent is that the first main layer consists predominantly, preferably exclusively, of these materials or of compounds of these materials.
- the first main layer can also have other constituents or impurities which are less or negligible than these main constituents.
- the invention firstly makes use of the knowledge that molybdenum monoxide-like compounds,
- molybdenum monoxide in particular molybdenum monoxide, have a self-lubricating property. Accordingly, the coating of the slider on its outer, that is facing away from the base body, molybdenum monoxide-containing surface to improve the sliding properties of the slider and thus a
- the coating is preferably disposed on those portions of the slider which slide along this other body.
- the slider may also have such a coating entirely.
- the concentration of the respective main constituents of the first main layer may vary. For example, the oxygen concentration of the first main layer towards the main body
- the first main layer is a layer with the main components molybdenum and nitrogen, which is doped with oxygen.
- the first main layer may in particular comprise the main component molybdenum nitride and, in particular in the surface region, with
- the first main layer preferably has a thickness of 1 ⁇ to 50 ⁇ on.
- the thickness of the first main layer can vary.
- the thickness of the first main layer can vary.
- Coating the body also partially cover, so that the thickness of the first main layer or the coating in the uncoated areas can also be zero.
- the layer hardness of the coating is preferably between 1,500 and 2,200 HV at 0.05 N test load.
- the main body of the slider is usually made of a metallic one
- Recyclable material produced This can be realized for example by a casting process, whereby the main body is designed as a cast body and can be made of iron and / or steel. In addition, the main body can be nitrided. If the base body is made of steel, this is usually produced in a rolling process. To ensure adhesion of the coating to the
- the coating can optionally be a second
- Main layer which is advantageously arranged between the main body and the first main layer.
- the second main layer may also be partially arranged between the first main layer and the main body.
- the second main layer expediently has a main constituent, which has sufficient adhesion of the coating to the main body guaranteed.
- metallic materials which has sufficient adhesion of the coating to the main body guaranteed.
- the base body produced, the second coating may thus have a major metallic portion.
- the main metallic portion of the second main layer is thus in particular molybdenum and / or chromium and / or titanium and / or a chromium-aluminum alloy and the like.
- the thickness of the second main layer is preferably small compared to the thickness of the first main layer.
- the thickness of the second main layer in preferred embodiments between 0.5 ⁇ and 10 ⁇ .
- the second main layer comprises nitrogen.
- the second main layer can be doped with nitrogen, so that the second main layer can be metal nitride-containing at least in some areas.
- the concentration of nitrogen within the second increases
- Main layer towards the first main layer This serves in particular for the purpose of improving adhesion of the first main layer to the second main layer and thus adhesion between these main layers.
- the main metallic constituent of the second main layer is chromium. Accordingly, the coating between the second main layer and the first main layer has a transition from
- Chromium nitride to molybdenum nitride in order to achieve a particularly advantageous adhesion.
- the second main layer may comprise a first sub-layer, which is metal nitride-containing, in particular chromium nitride-containing, and adjacent to the first main layer.
- a second, the base body adjacent lower layer of the second main layer may also be low in nitrogen or nitrogen. While the second
- a further possibility for increasing the adhesion between the first main layer and the second main layer is to reduce the concentration of molybdenum in the first main layer towards the main body or to the second main layer. Accordingly, the concentration of the main metallic portion of the second main layer toward the first main layer may also decrease. Preferably, the concentration of molybdenum in the first main layer decreases toward the second main layer while the concentration of the main metallic component of the second main layer increases toward the first
- Main layer decreases.
- a smooth transition between the second main layer and the first main layer is achieved so as to provide a stable coating.
- Main layers in particular, a lattice mismatch between the second main layer and the first main layer is avoided or at least reduced. If the main metallic portion of the second main layer is molybdenum, such a transition is not necessary.
- Main layer along its thickness at least two different
- the oxygen concentration within the first main layer decreases and decreases several times.
- embodiments in which the oxygen concentration oscillates at least in regions along the thickness of the first main layer are preferred.
- the Oxygen concentration changes periodically between a maximum value and zero.
- the first main layer has individual layers along its thickness, which are doped with oxygen, which alternate with other individual layers, which are not doped with oxygen.
- a multilayer layer is thus provided which is preferably arranged within a first sub-layer of the first main layer, which is arranged in a region of the first main layer facing away from the main body or in the region of the surface of the first main layer.
- the periodicity of this multilayer coating is preferably between 50 nm and 300 nm.
- the periodicity is
- the respective individual layer thicknesses can vary and in particular between the oxygen-doped individual layers and the individual layers with less
- Oxygen content in particular the oxygen-free individual layers, be different.
- the knowledge is used that molybdenum nitride has a greater hardness than
- molybdenum monoxide-containing has a better lubricating property.
- oxygen-poor individual layers both sufficient hardness and a sufficient self-lubricating property of the first main layer achieved.
- the surface of the first main layer of the coating has a roughness, which is incorporated into this surface, for example by fine grinding and / or lapping and / or honing and / or polishing.
- An average surface roughness Rz is preferred less than 1 ⁇ .
- the definition and determination of the material content Rmr is to be taken in particular from the standard DIN EN ISO 4287.
- the slider may basically be any object sliding on another body.
- the sliding body can be configured as a piston ring for a piston of an internal combustion engine, wherein the coating is applied in particular to an outer circumference of the piston ring facing the associated body on which the piston ring slides, in particular an associated cylinder.
- the coating improves this
- the coating of the slider can basically be applied to the body in any manner. Examples are gaseous, liquid, dissolved and solid coating processes.
- the coating can in particular by means of a chemical
- Gas phase deposition or a flame coating done can also be applied to the base body as part of a spraying process.
- the coating is carried out by means of a physical
- Vapor deposition process (physical vapor deposition: PVD).
- the main body which is typically referred to as a substrate, introduced into a corresponding chamber.
- the physical vapor deposition process (physical vapor deposition: PVD).
- Gas phase deposition process is usually carried out under
- Main layer are applied to the base by the evaporation of a corresponding metallic target in the chamber.
- the evaporation of the respective target by means of an arc, so for example by the so-called Arc-PVD method.
- vapor deposition of the second main layer takes place first, followed by vapor deposition of the first main layer.
- the vapor deposition of the second main layer preferably takes place initially under an argon atmosphere and then in a nitrogen atmosphere, the argon atmosphere and / or nitrogen atmosphere typically being understood to mean the presence of argon and / or nitrogen at low pressures.
- a metal nitride layer is formed on the base body during the vapor deposition in a nitrogen atmosphere, while the vapor deposition in the argon atmosphere, a metallic, especially nitride-free layer is vapor-deposited.
- the vapor deposition of the second main layer preferably proceeds directly into the vapor deposition of the first main layer.
- the first main layer is first in nitrogen atmosphere and then additionally in
- the nitrogen pressure is adjusted so that the nitrogen content in the deposited layer is between 20 at% and 60 at%.
- the nitrogen content in the deposited layer is between 20 at% and 60 at%.
- Nitrogen pressure is chosen so that the nitrogen content is between 25 at% and 40 at%, more preferably between 30 at% and 35 at%. If an oxygen doping is carried out during vapor deposition of the first main layer, that is to say in particular during vapor deposition of the uppermost layers of the coating, then oxygen is additionally admitted into the coating chamber at preferably constant nitrogen partial pressure. The oxygen partial pressure is adjusted so that the molybdenum nitride layer is additionally doped with an oxygen content of between 0.5 atom% and 5 atom%, but preferably between 0.5 atom% and 2 atom%. This ensures the formation of molybdenum monoxide and prevents the formation of higher molybdenum oxide compounds which have unfavorable tribological properties.
- Main layer can be the oxygen content, in particular in an oscillating manner, changed.
- the proportion of molybdenum as the last main constituent of the first main layer results as a residual proportion from the nitrogen content and the oxygen content.
- the molybdenum content of the first main layer is between 35 atomic% and 79.5 atomic%, preferably between 58 atomic% and 75.5 atomic%, and more preferably between 63 atomic% and 69, 5 atomic%. If the first main layer has such a multilayer layer with oscillating oxygen concentration, then the aforementioned applies
- a molybdenum target is used, which is evaporated in particular by means of said arc evaporation.
- the evaporation of the metallic target of the second is preferred Main layer reduces, while the evaporation of the molybdenum target is activated and amplified.
- a smooth transition between the second main layer and the first main layer is achieved, wherein the respective decrease or increase of the evaporation rate of the respective target is preferably linear.
- the transition is preferably carried out in a nitrogen atmosphere.
- the coating of the base body according to the invention and the associated advantages can not be limited to sliding bodies and can be applied to any desired components or objects in order to achieve these advantages. So the coating can also work on non-sliding
- a sliding body 1 which can be designed in particular as a piston ring 1 'for an internal combustion engine, has a
- Base body 2 which is designed for example as a cast body and made of iron or steel, wherein the base body 1 can also be nitrided.
- the slider 1 also has a coating 3, which is vapor-deposited on the base body 2.
- the coating 3 on the base body 2 preferably takes place by means of a physical vapor deposition, in which corresponding targets are vaporized by means of an arc evaporation and settle on the base body 2 in order to form the coating 3.
- the coating 3 has a first main layer 4 and a second main layer 5, the second main layer 5 being arranged between the main body 2 and the first main layer 4.
- the second main layer 5 comprises two sub-layers 6, 7, of which the first sub-layer 7 is adjacent to the first main layer 4, while the second sub-layer 7 is adjacent to the first sub-layer 7
- Base body 2 is adjacent.
- the second main layer 5 has a main metallic part, in particular chromium.
- the second underlayer 7 of the second main layer 5 is
- the second sub-layer 7 of the second main layer 5 serves for the adhesion of the coating 3 to the base body 2, while the first sub-layer 6 of the second main layer 5 is intended to improve in particular an adhesion between the second main layer 5 and the first main layer 4.
- the first main layer 4 has the main components molybdenum, nitrogen and oxygen.
- the oxygen is in the region of the first main layer 4 facing away from the base body 2, and thus in particular in the region of a surface 8 of the first main layer 4 and thus of the surface 8 of FIG
- the oxygen concentration is low as compared with the molybdenum concentration and nitrogen concentration of the first main layer 4, so that the first main layer 4 is doped with oxygen. It is important that the first main layer 4 is oxygen-containing, in particular on the surface 8 or directly on the surface 8, the first upper layer 4 preferably having molybdenum monoxide-like compounds in this region in order to ensure friction of the sliding body 1 against an associated object, in particular a cylinder of an internal combustion engine, to reduce.
- FIG. 2 shows a section of the region designated by 9 in FIG. 1 in a further embodiment, which otherwise equals that shown in FIG.
- a multilayer layer 10 can be seen, which is arranged in the region of the surface 8 of the first main layer 4.
- the multilayer coating 10 consists of oxygen-free or oxygen-poor first individual layers 12 and 12 arranged alternately along a thickness 1 1 of the first main layer 4
- the second single layer 13 arranged directly on the surface 8 is oxygen-containing in order to ensure said reduction in friction by a self-lubricating property.
- the periodicity of the multilayer coating that is the sum of the individual layer thickness 14 of such a single layer 12 and the individual layer thickness 14 of such an adjacent single layer 13 is between 50 nm and 300 nm.
- the individual layers 12 and 13 may have different individual layer thicknesses 14.
- the proportion of the individual layer thickness 14 of such a single layer 13 at the periodicity is preferably between 20% and 60%.
- the nitrogen content of the first main layer 4 is 20 at.% And 60 at.%, Preferably between 25 at.% And 40 at.%, More preferably between 30 at.% And 35 at.%. In addition, the amount is
- the molybdenum content of the first main layer 4 is between 35 at% and 79.5 at%.
- a thickness 16 of the second sub-layer 7 of the second main layer 5 is smaller than a thickness 17 of the first sub-layer 6 of the second main layer 5.
- the surface 8 of the first main layer 4 has a roughness 18, which has a mean surface roughness Rz, which is less than 1 ⁇ .
- the material content in 0.2 ⁇ depth is greater than 60%, while and the material content in 0.3 ⁇ depth is greater than 80%.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Physical Vapour Deposition (AREA)
Description
Claims
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112014027916A BR112014027916A2 (pt) | 2012-05-10 | 2013-05-07 | corpo deslizante com revestimento |
| US14/399,946 US20150122211A1 (en) | 2012-05-10 | 2013-05-07 | Sliding body with coating |
| CN201380024268.2A CN104271791B (zh) | 2012-05-10 | 2013-05-07 | 具有涂层的滑动主体 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102012207813.4 | 2012-05-10 | ||
| DE201210207813 DE102012207813A1 (de) | 2012-05-10 | 2012-05-10 | Gleitkörper mit Beschichtung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2013167604A1 true WO2013167604A1 (de) | 2013-11-14 |
Family
ID=48289220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2013/059510 Ceased WO2013167604A1 (de) | 2012-05-10 | 2013-05-07 | Gleitkörper mit beschichtung |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150122211A1 (de) |
| CN (1) | CN104271791B (de) |
| BR (1) | BR112014027916A2 (de) |
| DE (1) | DE102012207813A1 (de) |
| WO (1) | WO2013167604A1 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102014200607A1 (de) * | 2014-01-15 | 2015-07-16 | Federal-Mogul Burscheid Gmbh | Gleitelement, insbesondere Kolbenring |
| BR102015008817B1 (pt) * | 2015-04-17 | 2022-08-30 | Mahle International Gmbh | Anel de pistão para motores de combustão interna |
| DE102017102059A1 (de) * | 2017-02-02 | 2018-08-02 | Friedrich-Alexander-Universität Erlangen | Schichtsystem und Bauteil |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08144046A (ja) * | 1994-11-21 | 1996-06-04 | Teikoku Piston Ring Co Ltd | 摺動部材およびその製造方法 |
| EP0884400B1 (de) | 1997-06-09 | 2000-09-20 | Teikoku Piston Ring Co., LTd. | Material für Hartstoffüberzüge, damit beschichtetes Gleitelement, und Herstellungsverfahren dazu |
| US6149162A (en) * | 1997-12-24 | 2000-11-21 | Teikoku Pistong Ring Co., Ltd. | Sliding member |
| DE102010053751A1 (de) * | 2010-10-28 | 2012-05-03 | Oerlikon Trading Ag, Trübbach | Molybdänmonoxidschichten und deren Herstellung mittels PVD |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102004057560A1 (de) * | 2004-11-30 | 2006-06-01 | Mahle International Gmbh | Kolbenring mit einer beschichteten Lauffläche sowie Beschichtungsmittel |
| CN102002684B (zh) * | 2009-08-31 | 2014-07-30 | 日立金属株式会社 | 滑动部件 |
-
2012
- 2012-05-10 DE DE201210207813 patent/DE102012207813A1/de not_active Withdrawn
-
2013
- 2013-05-07 CN CN201380024268.2A patent/CN104271791B/zh not_active Expired - Fee Related
- 2013-05-07 WO PCT/EP2013/059510 patent/WO2013167604A1/de not_active Ceased
- 2013-05-07 US US14/399,946 patent/US20150122211A1/en not_active Abandoned
- 2013-05-07 BR BR112014027916A patent/BR112014027916A2/pt not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08144046A (ja) * | 1994-11-21 | 1996-06-04 | Teikoku Piston Ring Co Ltd | 摺動部材およびその製造方法 |
| EP0884400B1 (de) | 1997-06-09 | 2000-09-20 | Teikoku Piston Ring Co., LTd. | Material für Hartstoffüberzüge, damit beschichtetes Gleitelement, und Herstellungsverfahren dazu |
| US6149162A (en) * | 1997-12-24 | 2000-11-21 | Teikoku Pistong Ring Co., Ltd. | Sliding member |
| DE102010053751A1 (de) * | 2010-10-28 | 2012-05-03 | Oerlikon Trading Ag, Trübbach | Molybdänmonoxidschichten und deren Herstellung mittels PVD |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112014027916A2 (pt) | 2017-06-27 |
| CN104271791B (zh) | 2016-10-12 |
| DE102012207813A1 (de) | 2013-11-14 |
| US20150122211A1 (en) | 2015-05-07 |
| CN104271791A (zh) | 2015-01-07 |
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