CN104275864A - Multilayered coatings with diamond-like carbon - Google Patents
Multilayered coatings with diamond-like carbon Download PDFInfo
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- CN104275864A CN104275864A CN201410305693.5A CN201410305693A CN104275864A CN 104275864 A CN104275864 A CN 104275864A CN 201410305693 A CN201410305693 A CN 201410305693A CN 104275864 A CN104275864 A CN 104275864A
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- 238000000576 coating method Methods 0.000 title claims abstract description 92
- 229910052799 carbon Inorganic materials 0.000 title claims abstract description 20
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract 5
- 239000000758 substrate Substances 0.000 claims abstract description 29
- 230000003746 surface roughness Effects 0.000 claims abstract description 11
- 239000011248 coating agent Substances 0.000 claims description 83
- 229910052710 silicon Inorganic materials 0.000 claims description 31
- 239000010703 silicon Substances 0.000 claims description 31
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 28
- 229910052732 germanium Inorganic materials 0.000 claims description 21
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims description 21
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- 239000011737 fluorine Substances 0.000 claims description 3
- 229910052731 fluorine Inorganic materials 0.000 claims description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 claims description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 2
- 239000005864 Sulphur Substances 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- 239000011651 chromium Substances 0.000 claims description 2
- 229910052804 chromium Inorganic materials 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 claims 3
- 239000010432 diamond Substances 0.000 claims 3
- 239000010410 layer Substances 0.000 abstract description 86
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000002344 surface layer Substances 0.000 abstract 1
- 238000005260 corrosion Methods 0.000 description 8
- 230000007797 corrosion Effects 0.000 description 8
- 239000000956 alloy Substances 0.000 description 7
- 229910045601 alloy Inorganic materials 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 230000003628 erosive effect Effects 0.000 description 6
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 238000000151 deposition Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-N Fluorane Chemical compound F KRHYYFGTRYWZRS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 230000000704 physical effect Effects 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 241000771208 Buchanania arborescens Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000004205 dimethyl polysiloxane Substances 0.000 description 1
- 235000013870 dimethyl polysiloxane Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- -1 hydrogen compound Chemical class 0.000 description 1
- 229910000037 hydrogen sulfide Inorganic materials 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- CXQXSVUQTKDNFP-UHFFFAOYSA-N octamethyltrisiloxane Chemical compound C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C CXQXSVUQTKDNFP-UHFFFAOYSA-N 0.000 description 1
- 238000004987 plasma desorption mass spectroscopy Methods 0.000 description 1
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 239000002356 single layer Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
Classifications
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- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- C23C28/00—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D
- C23C28/40—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
-
- 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
- C23C28/04—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material
- C23C28/046—Coating for obtaining at least two superposed coatings either by methods not provided for in a single one of groups C23C2/00 - C23C26/00 or by combinations of methods provided for in subclasses C23C and C25C or C25D only coatings of inorganic non-metallic material with at least one amorphous inorganic material layer, e.g. DLC, a-C:H, a-C:Me, the layer being doped or not
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/28—Selecting particular materials; Particular measures relating thereto; Measures against erosion or corrosion
- F01D5/288—Protective coatings for blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2250/00—Geometry
- F05D2250/60—Structure; Surface texture
- F05D2250/62—Structure; Surface texture smooth or fine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/20—Oxide or non-oxide ceramics
- F05D2300/22—Non-oxide ceramics
- F05D2300/224—Carbon, e.g. graphite
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2300/00—Materials; Properties thereof
- F05D2300/50—Intrinsic material properties or characteristics
- F05D2300/506—Hardness
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/24—Structurally defined web or sheet [e.g., overall dimension, etc.]
- Y10T428/24355—Continuous and nonuniform or irregular surface on layer or component [e.g., roofing, etc.]
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Chemical Vapour Deposition (AREA)
- Physical Vapour Deposition (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Laminated Bodies (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
Multilayered coatings 10 include an adhesion base layer 12 that can adhere to a metal substrate 20, and a top surface layer 16 that has a surface roughness of less than or equal to about Ra 0.0254 [mu]m, wherein at least one of the layers 12, 16 comprises a diamond-like carbon.
Description
Technical field
The present invention relates to a kind of laminated coating, exactly, relate to the laminated coating with diamond-like-carbon, it can be applied on the compressor blade of turbine.
Background technology
In gas-turbine unit, compressor section generally includes multiple level, has a bank of compressors blade (also referred to as " rotor blade " or " rotor blades ") and stator vane (also referred to as " stator vanes ") in described level.Compressor blade rotates around rotor, thus injects kinetic energy in the air-flow flowing through compressor.And then this bank of compressors blade is one to be ranked blades, and it is still static.The mode worked with one, compressor blade and stator vane rotate air-flow and the air velocity that slows down respectively, thus increase the static pressure through the air-flow of compressor section.Compound compressor blade and stator vane can be stacked in Axial Flow Compressor, to reach the pressure ratio of required vent ratio air inlet.Compressor blade and stator vane can be fixed on rotor wheel and stator casing respectively by the mode of dovetail or root or bottom attachment like this.
Be in operation, due to the rotary speed of compressor, compressor blade may need to bear mechanical stress and harsh service condition.These stress levels may affect stood erosion or corrosion level together with other service conditions.Such as, the surrounding air being aspirated through compressor section may comprise the composition of may corrode and wear and tear compressor blade and other these type of parts.Some parts may need to bear further based on the lubricating oil of hydrocarbon, carbonaceous soot, dirt, the combination of to get rusty etc.
Coating can be applied, to provide Additional Protection to resist these factors to product such as compressor blade.But some tough but level and smooth coatings such as diamond-like-carbon etc. may stand higher internal compression stresses level along with the increase of thickness.
Therefore, substituting fluorinated coating receives an acclaim in this area.
Summary of the invention
In one embodiment, a kind of laminated coating is disclosed.Described laminated coating comprises: adhere to basal layer, described adhesion basal layer can adhere in metallic substrates; And top coat, described top coat has the surface roughness being less than or equal to about Ra1 μ in., and at least one deck in wherein said layer comprises diamond-like-carbon.
In another embodiment, a kind of article through coating are disclosed.The described article through coating comprise: metallic substrates, and described metallic substrates comprises outer surface; And laminated coating, described laminated coating covers the described outer surface of described metallic substrates at least partially.Described coating comprises: adhere to basal layer, described adhesion basal layer can adhere in metallic substrates; And top coat, described top coat has the surface roughness being less than or equal to about Ra0.0254 μm, and at least one deck in wherein said layer comprises diamond-like-carbon.
By following detailed description by reference to the accompanying drawings, can these characteristic sum additional features of providing of the said embodiment of comprehend.
Accompanying drawing explanation
Embodiment shown in accompanying drawing is illustrative and exemplary in itself, is not intended to limit the technical scheme be defined by the claims.Read in conjunction with the following drawings and be appreciated that the following detailed description to illustrative embodiment, the similar reference number of wherein similar structure represents, and in the accompanying drawings:
Fig. 1 is according to shown in this description or the schematic cross-section being positioned at the laminated coating in metallic substrates of one or more embodiments described;
Fig. 2 is according to shown in this description or the schematic cross-section being positioned at the laminated coating in metallic substrates with intermediate layer of one or more embodiments described; And
Fig. 3 is according to shown in this description or the perspective view with the compressor blade of laminated coating of one or more embodiments described.
Detailed description of the invention
One or more specific embodiment of the present invention hereafter will be described.In order to provide the concise and to the point description of these embodiments, all features in actual enforcement may can not be described in description.Should be appreciated that, in any exploitation that this type of is implemented, as the various specific decision based on implementing all must be made in any engineering or design object, to realize the specific objective of developer, such as meet relevant to system and relevant with business restriction, this may change between an enforcement and another are implemented.In addition, should understand, this type of development may be complicated and consuming time, but for benefiting from those of ordinary skill in the art of the present invention, this is still design, manufacture and the normal work to do in producing.
When introducing the element in various embodiments of the present invention, article " ", " one ", " being somebody's turn to do " and " described " are intended to indicate one or more this element.Term " comprises ", " comprising " and " having " be intended to comprising property of expression implication, and represents except listed element, may also have other elements.
See Fig. 1, show the schematic cross-section of the article 5 through coating, the described article 5 through coating at least comprise metallic substrates 20 and laminated coating 10.
Laminated coating 10 is made up of diamond-like-carbon (usually also referred to as " DLC ") and other elements, the surface smoothness of be enough to maintain adhesive force in metallic substrates 20 to make it have, contribute to etch-proof hydrophobicity and oleophobic property, the contribute to hardness that prevents from corroding and the aeroperformance that can not suppress run duration.Laminated coating 10 can comprise substantially: adhere to basal layer 12, described adhesion basal layer 12 can adhere in metallic substrates 20; And top coat 16, described top coat 16 has the surface roughness being less than or equal to about Ra0.0254 μm, and at least one deck in wherein said layer comprises diamond-like-carbon.In certain embodiments, laminated coating 10 may further include and adhering to the one or more intermediate layers 14 between basal layer 12 and top coat 16.
The adhesion basal layer 12 of laminated coating 10 comprises the ground floor of laminated coating 10, and described ground floor adheres to the metallic substrates 20 of below after the application immediately.Metallic substrates 20 can comprise metal and/or the alloy of any type, such as, and ferrous alloy (such as, stainless steel), nickel-base alloy, cobalt-base alloys etc.
In certain embodiments, adhere to basal layer 12 and can comprise DLC.DLC refers to commercially available amorphous carbon hydrogen compound film, and it can such as be formed by modes such as vapour depositions, and can provide high rigidity and wearability and have smooth surface.In this type of embodiment, such as, the thickness of DLC can be less than or equal to about 10 μm, or from the scope of about 2 μm to about 10 μm, or even from the scope of about 5 μm to about 10 μm.
In other embodiments, adhere to basal layer 12 and can comprise silicon.In this type of embodiment, the thickness of described silicon such as can be less than about 0.5 μm, or from the scope of 0.3 μm to about 0.4 μm, or be about 0.4 μm.
The top coat 16 of laminated coating 10 comprises the outermost layer of laminated coating 10, and has the surface roughness of relative smooth.Such as, the surface roughness of top coat 16 can be less than or equal to about Ra0.0254 μm (Ra1 μ in), or from about Ra0.00254 μm (Ra0.1 μ in) to the scope of about Ra0.0254 μm (Ra1 μ in), or from Ra0.00508 μm (Ra0.2 μ in) to the scope of about Ra0.01016 μm (Ra0.4 μ in), or be usually less than or equal to about Ra0.0127 μm (Ra0.5 μ in).One of skill in the art it should be understood that " Ra " described in this description refers to the surface roughness parameter determined by the arithmetic mean of absolute value.
In other embodiments, top coat 16 can comprise DLC.This type of embodiment can strengthen corrosion resistance and pollution resistance, still provides smooth surface finish to whole laminated coating 10 simultaneously.Such as, when adhering to basal layer 12 and comprising silicon as mentioned above and/or when laminated coating 10 is as by when comprising one or more intermediate layer understanding in this manual, top coat 16 can comprise DLC.In this type of embodiment, such as, the thickness of DLC can from the scope of about 10 μm to about 15 μm, or from the scope of about 11 μm to about 13 μm, or be about 10.5 μm.
In other embodiments, top coat 16 can comprise carborundum.This type of embodiment can strengthen the corrosion resistance of whole laminated coating 10.Such as, when adhering to basal layer 12 and comprising DLC as mentioned above, top coat 16 can comprise carborundum.In this type of embodiment, such as, the thickness of carborundum can be less than or equal to about 10 μm, or from the scope of about 2 μm to about 10 μm, or and then from the scope of about 5 μm to about 10 μm.
Referring now to Fig. 2, in certain embodiments, laminated coating 10 can comprise the one or more intermediate layers 14 between adhesion basal layer 12 and top coat 16.One or more intermediate layer 14 can comprise one or more layers that be made up of same type of material or the multilayer be made up of polytype material.
Such as, in certain embodiments, at least one intermediate layer in one or more intermediate layer 14 can comprise silicon, germanium, titanium, chromium, nitrogen, fluorine, sulphur or their combination.
Silicon is used as intermediate layer 14 and can strengthens adhesive force between whole laminated coating 10.In this type of embodiment, the thickness in siliceous one or more intermediate layers 14 can be less than about 0.5 μm, or from the scope of about 0.3 μm to about 0.4 μm, or be about 0.4 μm.Intermediate layer 14 can be surrounded by heterogeneity, identical component or its layer combined.Such as, in certain embodiments, one or more intermediate layer 14 can comprise 1 or 5 layers of silicon, and can be arranged on basic adhesion layer 12, and wherein said basic adhesion layer 12 itself also can be siliceous.
Use silicon and germanium can reduce the internal stress in whole laminated coating 10.In certain embodiments, such as when the intermediate layer 14 of silicon and germanium is arranged on the single layer of silicon (such as, when adhering to basal layer 12 and being siliceous), the thickness in one or more intermediate layers 14 of siliceous and germanium can be less than about 0.5 μm or can from the scope of about 0.2 μm to about 0.3 μm.In this type of embodiment, laminated coating 10 can comprise 1 to about 3 intermediate layer 14 of silicon and germanium.In certain embodiments, such as, when the intermediate layer 14 of silicon and germanium is placed on multiple layers of silicon, the thickness in one or more intermediate layers 14 of siliceous and germanium is from the scope of about 8 μm to about 10 μm.In this type of embodiment, laminated coating 10 can comprise 1 to about 5 intermediate layer 14 of silicon and germanium.
In certain embodiments, at least one intermediate layer in one or more intermediate layer 14 can comprise DLC or doping DLC or other suitable DLC variants.Doping DLC can comprise the DLC of one or more other elements of doping such as silicon and/or germanium.In certain embodiments, DLC can doped with fluorine to strengthen hydrophobicity.In certain embodiments, DLC can adulterate dimethione (PDMS) to strengthen oleophobic property.
Such as, in certain embodiments, at least one intermediate layer in one or more intermediate layer 14 can comprise the DLC doped with silicon and germanium.In this type of embodiment, the thickness comprising one or more intermediate layers 14 of the DLC doped with silicon and germanium can from the scope of about 8 μm to about 10 μm.One or more intermediate layer 14 can comprise the single DLC layer doped with silicon and germanium or multiple DLC layer doped with silicon and germanium, and it is arranged in mode located adjacent one another, arrange in the mode being provided with different intermediate layer 14 between two-layer or arrange with these combination.
In certain embodiments, at least one intermediate layer in one or more intermediate layer 14 can comprise only doped with the DLC of silicon.In this type of embodiment, the thickness comprising one or more intermediate layers 14 of the DLC doped with silicon can from the scope of about 1 μm to about 10 μm, or from the scope of about 5 μm to about 7 μm.One or more intermediate layer 14 can comprise the single DLC doped with silicon and germanium or multiple DLC doped with silicon and germanium, and it is arranged in mode located adjacent one another, arrange in the mode being provided with different intermediate layer 14 between two-layer or arrange with these combination.
The adhesion basal layer 12 of laminated coating 10, top coat 16 and optional one or more intermediate layer 14 can use in the mode of the various various combinations comprising different element and material thus, thus make its character (such as, hardness, surface roughness, erosion resisting/corrosion resistance, hydrophobicity, oleophobic property etc.) be applicable to application-specific.
In a particular embodiment, laminated coating 10 can comprise the adhesion basal layer 12 of DLC and the top coat 16 of carborundum.In this type of embodiment, the thickness of every layer can from the scope of about 5 μm to about 10 μm.In another embodiment, laminated coating 10 can comprise multiple alternating layers of DLC and carborundum, makes to adhere to that basal layer 12 is DLC, intermediate layer 14 comprises multiple silicon carbide layer and multiple DLC layer and top coat 16 comprises carborundum.
In another particular embodiment, laminated coating 10 can comprise the adhesion basal layer 12 of silicon, and wherein the thickness of this layer is the scope of about 0.3 μm to about 0.4 μm.First intermediate layer 14 can comprise silicon and germanium and thickness in the scope from about 0.2 μm to about 0.3 μm.Second intermediate layer 14 can comprise DLC doped with silicon and germanium and thickness in the scope from about 8 μm to about 10 μm.3rd intermediate layer 14 can comprise the same or analogous DLC doped with silicon and germanium and thickness from about 8 μm to about 10 μm of scopes, or there is the thickness from about 8 μm to about 9 μm of scopes.4th intermediate layer 14 can comprise DLC doped with silicon and thickness from about 5 μm to about 7 μm of scopes, or there is the thickness from about 5 μm to about 7 μm of scopes.Finally, laminated coating 10 can comprise thickness at the top coat from about 10 μm to the DLC of about 12 μm of scopes.
Although described the specific embodiment of laminated coating 10 in this description, it should be understood that the determinate example of these right and wrong and other laminated coatings 10 comprising extra and/or alternative materials or there is extra and/or alternative layered structure can have been there are.
Therefore, whole laminated coating 10 can comprise a series of gross thickness and various total number of plies.Such as, because internal stress is lower for comprising the coating of single DLC layer, the gross thickness of whole laminated coating 10 can be no more than about 40 μm, be no more than about 30 μm or from the scope of about 20 μm to about 30 μm.In addition, counted in adhesion basal layer 12, top coat 16 and the multiple intermediate layers 14 be positioned between the two, laminated coating 10 can comprise close to or exceed at least about 20 independent stratums.In certain embodiments, laminated coating 10 can comprise multiple layers of other any amount.Such as, in certain embodiments, laminated coating 10 can comprise at least 10 layers or at least 15 layers or at least 20 layers or even at least 25 layers.The number of plies in laminated coating can be selected based on required corrosion and erosion protection level at least partly.Every layer of any appropriate ways can understood according to one of skill in the art is arranged.Such as, can various commercial deposition technique used to carry out each layer of depositing multilayer coatings 10 under the temperature of about 120 DEG C to about 200 DEG C.
As the effect of multiple layers comprising the material described in this description, laminated coating 10 can be customized to the various character that has for the protection of lower-lying metal substrate 20 and provide relatively level and smooth surface.Such as, laminated coating 10 can have from about 10GPa to the hardness of about 30GPa to resist the erosion of foreign object.
Laminated coating 10 can also have hydrophobicity and oleophobic property, to help to avoid the resident of such as water and wet goods fluid to gather (resident buildup)." hydrophobicity " refers to the physical property of hydrophobic material." oleophobic property " refers to the physical property of hating light wood material.Specifically, the surface lower to the surface energy of dirt (such as, water and/or oil) should have high contact angle, and relative to by the moistening surface of dirt or the surface less with the contact angle of dirt, should provide the less adhesive force between dirt.Term " contact angle " used in this description refers to the angle that the static drop on solid material surface is formed.Contact angle is larger, and the interaction between liquid and surface is less.Therefore, if oil or the contact angle between other dirt and surfaces are comparatively large, then dirt is difficult to moistening or adheres to surface.Such as, the contact angle of laminated coating 10 can be at least about 80 °, at least about 92 ° or at least about 100 °.This can strengthen the corrosion resistance to external dirts such as such as hydrogen sulfide, hydrofluoric acid and hydrochloric acid.
As mentioned above, the metallic substrates 20 through the article 5 of coating can comprise any metallic substrates 20, metallic substrates such as, in combustion gas turbine used.Metallic substrates 20 can include but not limited to ferrous alloy (such as, stainless steel), nickel-base alloy, cobalt-base alloys etc.Such as, referring now to Fig. 3, in certain embodiments, metallic substrates can comprise compressor blade 50.Compressor blade 50 can comprise: fin 52, and when described fin 52 rotates around rotor, kinetic energy is injected the air flowing through compressor by it; And bottom or root 53.Fin 52 generally includes suction side 56 (that is, convex surface) and on the pressure side 57 (that is, concave surfaces).
Root 53 can comprise platform 54, and described platform 54 is outside sagittal planes of root 53, and fin 52 extends from described platform 54.Platform 54 can be integrally connected to the root 53 of compressor blade 50.Platform 54 defines radial inner edge circle of the air-flow through fin 52.Those of ordinary skill in affiliated field will be recognized, root 53 generally includes dovetail 55 further, described dovetail 55 is connected by the complemental groove in rotor wheel (not shown), thus by fixing for compressor blade 50 appropriate location within the compressor.
Substrate 10 (such as, compressor blade 50) can comprise laminated coating 10, and described laminated coating 10 covers (such as, suction side 56 and/or on the pressure side 57) at least partially of outer surface 25 to form the article 5 through coating.Laminated coating 10 through the article 5 of coating can comprise thus: adhere to basal layer, described adhesion basal layer can adhere to metallic substrates; Top coat, described top coat has the surface roughness being less than or equal to about Ra0.0254 μm, and at least one deck in wherein said layer comprises diamond-like-carbon as mentioned above.
Comprise in some embodiments of compressor blade 50 in metallic substrates 20, compressor blade 50 can comprise final compressor blade 50." final stage " used in this description refers to the afterbody of the compressor section of turbine or the wherein one-level finally in what.Thus, in this type of embodiment, the coating described in this description can provide relatively thick coating to obtain stronger erosion and the corrosion protection of compressor blade 50, still provides smooth surface simultaneously, and does not significantly affect its operating pneumatic nature.
It should be understood that now and laminated coating can be provided to protect lower substrates from the infringement of multiple external force and environmental condition.Laminated coating containing composition described in this description can resist erosion and the corrosion of foreign object, still provides smooth surface simultaneously.In addition, thicker laminated coating can be provided, still comprise one or more layers of DLC simultaneously.
Although describe the present invention in detail in conjunction with the embodiment of limited quantity above, should be well understood to, the present invention is not limited to the disclosed embodiments.But, the present invention can revise to be incorporated in any amount that this does not describe change, change, substitute or equivalent arrangements, but conform to the spirit and scope of the present invention.In addition, although described multiple embodiment of the present invention, should be appreciated that, each aspect of the present invention only can comprise some described embodiments.Therefore, the present invention does not regard as by aforementioned explanation restriction, but only limits by the scope of following claims.
Claims (20)
1. a laminated coating, comprising:
Adhere to basal layer, described adhesion basal layer can adhere to metallic substrates; And
Top coat, described top coat has the surface roughness being less than or equal to about Ra0.0254 μm;
At least one deck in wherein said layer comprises diamond-like-carbon.
2. laminated coating according to claim 1, it comprises the one or more intermediate layers between described adhesion basal layer and described top coat further.
3. laminated coating according to claim 2, at least one intermediate layer in wherein said one or more intermediate layer is selected from the group be made up of silicon and germanium.
4. laminated coating according to claim 3, the thickness at least one intermediate layer described of the siliceous or germanium in wherein said one or more intermediate layer is from the scope of about 0.1 μm to about 0.5 μm.
5. laminated coating according to claim 2, at least one intermediate layer in wherein said one or more intermediate layer is doped diamond carbon.
6. laminated coating according to claim 5, the thickness at least one intermediate layer described containing doped diamond carbon in wherein said one or more intermediate layer is from the scope of about 5 μm to about 10 μm.
7. laminated coating according to claim 2, wherein said adhesion basal layer comprises silicon.
8. laminated coating according to claim 2, wherein said top coat comprises diamond-like-carbon.
9. laminated coating according to claim 2, wherein said laminated coating comprises at least 10 layers.
10. laminated coating according to claim 1, wherein said adhesion basal layer is selected from the group be made up of silicon and diamond-like-carbon.
11. laminated coatings according to claim 1, wherein said top coat is selected from the group be made up of carborundum and diamond-like-carbon.
12. laminated coatings according to claim 1, the thickness comprising described at least one deck of diamond-like-carbon in wherein said layer is from the scope of about 5 μm to about 10 μm.
13. laminated coatings according to claim 1, the thickness of wherein said laminated coating is at least about 20 μm.
14. laminated coatings according to claim 1, the hardness of wherein said laminated coating is at least about 10GPa.
15. 1 kinds, through the article of coating, comprising:
Metallic substrates, described metallic substrates comprises outer surface; And
Laminated coating, described laminated coating covers the described outer surface of described metallic substrates at least partially, and wherein said coating comprises:
Adhere to basal layer, described adhesion basal layer can adhere to metallic substrates;
Top coat, described top coat has the surface roughness being less than or equal to about Ra0.0254 μm; And
At least one deck in wherein said layer comprises diamond-like-carbon.
16. article through coating according to claim 15, wherein said metallic substrates comprises the compressor blade for turbine.
17. article through coating according to claim 16, wherein said compressor blade is final compressor blade.
18. article through coating according to claim 15, it comprises the one or more intermediate layers between described adhesion basal layer and described top coat further.
19. article through coating according to claim 18, at least one intermediate layer in wherein said one or more intermediate layer is selected from the group be made up of silicon, germanium, titanium, chromium, nitrogen, fluorine, sulphur and doped diamond carbon.
20. article through coating according to claim 15, the thickness comprising described at least one deck of diamond-like-carbon in wherein said layer is from the scope of about 5 μm to about 10 μm.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/932239 | 2013-07-01 | ||
| US13/932,239 US20150004362A1 (en) | 2013-07-01 | 2013-07-01 | Multilayered coatings with diamond-like carbon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104275864A true CN104275864A (en) | 2015-01-14 |
Family
ID=50980229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410305693.5A Pending CN104275864A (en) | 2013-07-01 | 2014-06-30 | Multilayered coatings with diamond-like carbon |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20150004362A1 (en) |
| EP (1) | EP2821525A1 (en) |
| JP (1) | JP2015010278A (en) |
| CN (1) | CN104275864A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715334A (en) * | 2016-10-07 | 2019-05-03 | 三菱日立电力系统株式会社 | The manufacturing method of turbo blade |
| CN111765033A (en) * | 2019-04-02 | 2020-10-13 | 南京华电节能环保设备有限公司 | Impeller for high-temperature slag recovery power generation |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6461507B2 (en) * | 2014-07-31 | 2019-01-30 | イビデン株式会社 | Multi-layer coated member and method for producing multi-layer coated member |
| ES2878165T3 (en) * | 2015-04-23 | 2021-11-18 | Hitachi Metals Ltd | Coated metal mold and method of producing it |
| JP2018031334A (en) | 2016-08-26 | 2018-03-01 | 三菱重工コンプレッサ株式会社 | Laminate structure and machine component including laminate structure |
| PH12022550708A1 (en) * | 2019-12-06 | 2023-03-27 | Fuji Electric Co Ltd | Steam turbine member |
| FR3124805B1 (en) * | 2021-06-30 | 2024-03-22 | Saint Gobain | Substrate coated with at least one layer of diamond-like carbon protected by a temporary layer based on germanium or based on germanium oxide |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5725573A (en) * | 1994-03-29 | 1998-03-10 | Southwest Research Institute | Medical implants made of metal alloys bearing cohesive diamond like carbon coatings |
| DE60040365D1 (en) * | 1999-07-08 | 2008-11-13 | Sumitomo Electric Industries | Hard coating and coated component |
| DE10018143C5 (en) * | 2000-04-12 | 2012-09-06 | Oerlikon Trading Ag, Trübbach | DLC layer system and method and apparatus for producing such a layer system |
| FR2856078B1 (en) * | 2003-06-16 | 2006-11-17 | Commissariat Energie Atomique | COATING FOR A MECHANICAL PART COMPRISING AT LEAST HYDROGENATED AMORPHOUS CARBON AND METHOD OF DEPOSITING SUCH COATING. |
| TWI363742B (en) * | 2005-10-28 | 2012-05-11 | Hon Hai Prec Ind Co Ltd | Diamond-like carbon film |
-
2013
- 2013-07-01 US US13/932,239 patent/US20150004362A1/en not_active Abandoned
-
2014
- 2014-06-25 EP EP14173879.9A patent/EP2821525A1/en not_active Withdrawn
- 2014-06-26 JP JP2014130870A patent/JP2015010278A/en active Pending
- 2014-06-30 CN CN201410305693.5A patent/CN104275864A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109715334A (en) * | 2016-10-07 | 2019-05-03 | 三菱日立电力系统株式会社 | The manufacturing method of turbo blade |
| CN111765033A (en) * | 2019-04-02 | 2020-10-13 | 南京华电节能环保设备有限公司 | Impeller for high-temperature slag recovery power generation |
| CN111765033B (en) * | 2019-04-02 | 2021-12-17 | 南京华电节能环保设备有限公司 | Impeller for high-temperature slag recovery power generation |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2821525A1 (en) | 2015-01-07 |
| JP2015010278A (en) | 2015-01-19 |
| US20150004362A1 (en) | 2015-01-01 |
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