EP3004415A1 - Beschichtetes bauteil - Google Patents
Beschichtetes bauteilInfo
- Publication number
- EP3004415A1 EP3004415A1 EP14728424.4A EP14728424A EP3004415A1 EP 3004415 A1 EP3004415 A1 EP 3004415A1 EP 14728424 A EP14728424 A EP 14728424A EP 3004415 A1 EP3004415 A1 EP 3004415A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coating
- component
- chromium
- layer
- thickness
- 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.)
- Withdrawn
Links
- 238000000576 coating method Methods 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims abstract description 47
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims abstract description 33
- 239000011651 chromium Substances 0.000 claims abstract description 31
- 229910052804 chromium Inorganic materials 0.000 claims abstract description 29
- 239000000758 substrate Substances 0.000 claims abstract description 16
- 150000001875 compounds Chemical class 0.000 claims abstract description 7
- 238000005240 physical vapour deposition Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 230000008569 process Effects 0.000 claims description 7
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 5
- 238000004544 sputter deposition Methods 0.000 claims description 4
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical group [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 3
- 229910052757 nitrogen Inorganic materials 0.000 claims description 3
- 239000001301 oxygen Substances 0.000 claims description 3
- 229910052760 oxygen Inorganic materials 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims 1
- 238000005096 rolling process Methods 0.000 abstract description 6
- 239000010410 layer Substances 0.000 description 42
- 239000001257 hydrogen Substances 0.000 description 11
- 229910052739 hydrogen Inorganic materials 0.000 description 11
- 239000000463 material Substances 0.000 description 9
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 6
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 5
- 229910000423 chromium oxide Inorganic materials 0.000 description 5
- 230000007613 environmental effect Effects 0.000 description 5
- 150000002431 hydrogen Chemical class 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 5
- 239000012071 phase Substances 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 238000005229 chemical vapour deposition Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- CXOWYMLTGOFURZ-UHFFFAOYSA-N azanylidynechromium Chemical compound [Cr]#N CXOWYMLTGOFURZ-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- 239000002347 wear-protection layer Substances 0.000 description 3
- YZCKVEUIGOORGS-UHFFFAOYSA-N Hydrogen atom Chemical compound [H] YZCKVEUIGOORGS-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- -1 carbide Chemical class 0.000 description 2
- 230000000254 damaging effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910000990 Ni alloy Inorganic materials 0.000 description 1
- 241001274197 Scatophagus argus Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 239000008346 aqueous phase Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005234 chemical deposition Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004901 spalling Methods 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/62—Selection of substances
-
- 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
- C23C14/14—Metallic material, boron or silicon
- C23C14/16—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon
- C23C14/165—Metallic material, boron or silicon on metallic substrates or on substrates of boron or silicon by cathodic sputtering
-
- 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
- C23C14/58—After-treatment
- C23C14/5806—Thermal treatment
-
- 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
- C23C14/58—After-treatment
- C23C14/5846—Reactive treatment
- C23C14/5853—Oxidation
-
- 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
- C23C14/58—After-treatment
- C23C14/5846—Reactive treatment
- C23C14/586—Nitriding
-
- 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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/64—Special methods of manufacture
-
- 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
- F16C2202/00—Solid materials defined by their properties
- F16C2202/02—Mechanical properties
- F16C2202/04—Hardness
-
- 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
- F16C2204/00—Metallic materials; Alloys
- F16C2204/40—Alloys based on refractory metals
- F16C2204/44—Alloys based on chromium
-
- 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
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
- F16C2206/42—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic oxides
-
- 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
- F16C2206/00—Materials with ceramics, cermets, hard carbon or similar non-metallic hard materials as main constituents
- F16C2206/40—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal
- F16C2206/58—Ceramics, e.g. carbides, nitrides, oxides, borides of a metal based on ceramic 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2223/00—Surface treatments; Hardening; Coating
- F16C2223/30—Coating surfaces
- F16C2223/60—Coating surfaces by vapour deposition, e.g. PVD, CVD
-
- 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
- F16C2240/64—Thickness, e.g. thickness of coatings in the nanometer range
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
Definitions
- the invention relates to a coated component made of steel, in particular Wölzlagerbauteil, wherein the Beschg ting has chromium. Furthermore, the invention relates to a method for producing such a coating on a metallic substrate.
- a coated watzlagerbauteil is known for example from DE 0 2009 023 818 A1.
- a nickel alloy is provided, which is produced by a chemical deposition method and has a thickness of about 2 pm.
- a structured Chfom solid particle layer with a crack network is known.
- Festetoffp are stored.
- the layer is produced electrolytically and should be suitable for piston rings.
- a multi-layer, electro-deposited chromium layer is known, for example, from DE 10 2009 045 889 A1.
- the thickness of individual layer layers amounts to, for example, a maximum of 7 pm, in particular a maximum of 3 pm.
- the layers may contain foreign ions such as carbide, Contain molybdenum, vanadium or tungsten ions.
- PVD physical vapor deposition
- the PVD (phyaical vapor depoeition) processes can essentially be built up from carbon and are also referred to as DLC (diamond-clear carbon scat.)
- DLC diamond-clear carbon scat.
- An example of such a coating is disclosed in DE 10 2006 029 415 A1
- a support layer containing, for example, chromium.
- the invention has for its object to further develop a coating of a metallic component, for example Wharmlagerbauteits, in particular with regard to the properties relevant in cooperation mil lubricants.
- the coated component has a metallic substrate and a chromium feed of less than 2 ⁇ m deposited thereon in the PVD process. No further damage is done to the chrome layer. However, it is formed on the component surface, that is on the surface of the chrome layer, a compound of chromium and at least one other element. This compound is produced either as part of the production process of the components or only after the pre-commissioning of the prey by the prevailing operating conditions, in particular exposure to lubricant. The thickness of the chromium layer is practically not increased by the connection with the further element.
- the invention is based on the consideration that lubricants in the rolling bearing technology can have both positive and negative effects on the life of a bearing. Negative effects are conceivable in particular by decomposition products or by-products of lubricants.
- Hydrogen may play a role in welding metallurgies on the surface of metallic components.
- Atomic hydrogen is incorporated in the galvanic Abschekjung a metal layer process-related in the metal layer, whereby a diffusion of hydrogen in the base material is possible.
- the layer thickness to very low values of a maximum of 2 pm, preferably less than 1 pm. particularly preferably less than 500 nm, limited, wherein the layer is not produced wet-chemically, but is deposited from the gas phase.
- the chromium layer deposited from the gas phase is always referred to simply as a PVD layer, with the result that it is delimited by a layer deposited from an aqueous phase.
- layers which have undergone CVD (chemical vapor deposition), PA-CVD (physical assisiated chemical vapor deposition) method, or the O-CVD (metal organic chemical vapor deposition) method are prepared, are among the In all cases, this coating has the advantage that it forms a crack-free barrier against environmental influences, in particular against hydrogen ..
- the chromium oxide which forms as a surface layer, forms an integral part of the coating of the component, which can increase in the course of the operation of the component, whereby the entire coating remains as a chromium layer referred to as.
- the coating chamber is at the end of the coating process, which takes place in a coating chamber at a temperature between 130 "C and 160'C, preferably at a temperature of about 150 * C, vented to the surface of the ready-finished
- aeration is also understood to mean the addition of a synthetic, oxygen-containing gas mixture or of pure oxygen specified temperature range at the conclusion of the coating process for the formation of an extremely thick and dense oxide layer, which prevents any adverse interaction with harmful elements or compounds of a lubricant during operation of the thus coated BauteilHs, in particular bearing component.
- nitrogen can also connect to the chromium layer as a further element, in which case chromium nitride is formed as a particularly resistant barrier against environmental influences.
- the chromium nitride is in the context of the formation of the total designated as chromium layer PVD coating, for example, by a reactive PVD sputtering applied, preferably, the chromium nitride nanokristallkn in the coating in the form of various Cr, phases before.
- the proportion of Cr 2 N bonds is preferably more than 70%.
- the hardness of the coating of chromium and at least one compound which contains at least one further element other than chromium is between 800 and 1200 HV 0.3.
- the coating is preferably at least 100 nm thick.
- the process for producing a coating regardless of the technical field of application, comprises the following features:
- rolling stock. is made of a metallic substrate, - On the substrate by means of vapor deposition a Chromsc light is applied with a thickness of less than 2 pm, which forms the Werk Swissoberflöche and not further coated.
- the chromium layer is produced directly on the base material without an intermediate layer and can be overridden in the rolling bearing application field.
- the workpiece is, for example, a bearing ring or a rolling element of a bearing of a wind turbine.
- Fig. 1 a according to the invention coated with chromium in the PVD method
- a in Fig. 1 generally designated by the reference numeral 1 component, namely WälzJagerbautell, for example, inner ring, outer ring or Wäfek ⁇ rper is made of a metallic base material, also referred to as a substrate 2, prepared on soft a Beschtehtung 3 is upright,
- the coating 3 consists largely of chromium and is produced in the PVD process.
- a chromium oxide layer 4 which flows from an underlying layer directly to the base material, namely bearing steel.
- 100Cr6 or M50NIL is to be distinguished from adjacent chrome layer 5.
- the thickness of the chromium oxide layer 4 in relation to the total thickness of the coating 3 is shown in FIG. 1 not shown to scale.
- the total thickness of the coating 3 is 1 to 2 pm.
- the coating 3 has neither defects nor elevations, for example in the form of so-called droplets.
- the Chromoxidschictit 4 is an impermeable barrier. Even with a slight, not up to the base material protruding injury of the coating 3 whose protective effect is permanently maintained, since a new chromium oxide layer 4 as Diffusionsbamere on the component 1 is formed.
- the effect of the coating 3 is given in addition to their function as a barrier layer by katar table effect.
- the protective effect of the coating 3 is due not only to the ChromoxkJschlcht 4, but also to the fact that due to the production of the coating 3 by A separation from the gas phase, in contrast to galvanically generated layers no hydrogen In the coating 3 is installed.
- any hydrogen atoms present in the coating will diffuse into the component 1.
- the structure of a conventional, electrochemical wear protection layer ⁇ is in Fig. 2 in a representation analog Flg. 1 illustrates.
- the wear protection layer 6 has cracks 7. At least part of these cracks 7 goes to the base material 2 (substrate).
- wear protective layer ⁇ environmental influences, especially in the form of hydrogen 8, attack freely on the base material 2 of the component 1. There is no mechanism to stop such influences.
- Flg. 8 Plotted in the form of dots there is a significant, harmful amount of hydrogen 8 Within the wear protection layer 6.
- This hydrogen 8 diffuses over time in the substrate 2 and degreased there its damaging effect, which ultimately, together with other influences, in particular mechanical Stress, can lead to WEC.
- Such a damage mechanism is reliably avoided with the coating according to FIG. 1.
- the coating 3 of the component 1, which consists mainly of chromium, of the component 1 according to FIG. 1 can be subjected to high mechanical loads and permanently connected to the substrate 2, without the risk of spalling.
- the hardness of the coating 3 is 800 to 1200 HV 0.05.
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physical Vapour Deposition (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE201310209863 DE102013209863A1 (de) | 2013-05-28 | 2013-05-28 | Beschichtetes Bauteil |
| PCT/DE2014/200177 WO2014190984A1 (de) | 2013-05-28 | 2014-04-23 | Beschichtetes bauteil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3004415A1 true EP3004415A1 (de) | 2016-04-13 |
Family
ID=50896132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14728424.4A Withdrawn EP3004415A1 (de) | 2013-05-28 | 2014-04-23 | Beschichtetes bauteil |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US9897145B2 (de) |
| EP (1) | EP3004415A1 (de) |
| JP (1) | JP2016524042A (de) |
| CN (1) | CN105189809A (de) |
| DE (1) | DE102013209863A1 (de) |
| WO (1) | WO2014190984A1 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DK2899398T3 (en) | 2014-01-28 | 2016-05-02 | Siemens Ag | Coated component of a wind turbine |
| DE102017128727A1 (de) | 2017-12-04 | 2019-01-17 | Friedrich-Alexander-Universität Erlangen-Nürnberg | Schichtsystem, Bauteil und Verfahren zum Beschichten |
| DE102017222624A1 (de) | 2017-12-13 | 2019-06-13 | SKF Aerospace France S.A.S | Beschichtete Lagerkomponente und Lager mit einer solchen Komponente |
| CN112210756B (zh) * | 2020-10-13 | 2022-09-02 | 辽宁科技大学 | 一种铁基合金表面强耐蚀性高铬复合渗氮层的制备方法 |
Family Cites Families (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3634147A (en) * | 1969-11-20 | 1972-01-11 | United States Steel Corp | Corrosion resistant tin-free steel and method for producing same |
| JP3350157B2 (ja) * | 1993-06-07 | 2002-11-25 | 帝国ピストンリング株式会社 | 摺動部材およびその製造方法 |
| JPH07109561A (ja) * | 1993-10-07 | 1995-04-25 | Nissin Electric Co Ltd | 窒化クロム膜被覆基体 |
| JP3645295B2 (ja) * | 1994-11-02 | 2005-05-11 | 株式会社不二越 | 潤滑硬質膜被覆ドリル |
| JP3766445B2 (ja) * | 1994-12-27 | 2006-04-12 | 日本ピストンリング株式会社 | 内燃機関用ピストンリング |
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| BRPI0902339B1 (pt) * | 2009-07-01 | 2020-04-22 | Mahle Metal Leve S/A | anel de pistão |
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| CN102691043A (zh) * | 2011-03-21 | 2012-09-26 | 鸿富锦精密工业(深圳)有限公司 | 镀膜件及其制备方法 |
-
2013
- 2013-05-28 DE DE201310209863 patent/DE102013209863A1/de not_active Withdrawn
-
2014
- 2014-04-23 JP JP2016515656A patent/JP2016524042A/ja active Pending
- 2014-04-23 CN CN201480026174.3A patent/CN105189809A/zh active Pending
- 2014-04-23 US US14/890,525 patent/US9897145B2/en not_active Expired - Fee Related
- 2014-04-23 WO PCT/DE2014/200177 patent/WO2014190984A1/de not_active Ceased
- 2014-04-23 EP EP14728424.4A patent/EP3004415A1/de not_active Withdrawn
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2014190984A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US9897145B2 (en) | 2018-02-20 |
| WO2014190984A1 (de) | 2014-12-04 |
| CN105189809A (zh) | 2015-12-23 |
| JP2016524042A (ja) | 2016-08-12 |
| US20160115997A1 (en) | 2016-04-28 |
| DE102013209863A1 (de) | 2014-12-04 |
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