CN104160059B - The method of high-temperature stable coating and the component with this coating are applied on the surface of component - Google Patents
The method of high-temperature stable coating and the component with this coating are applied on the surface of component Download PDFInfo
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- CN104160059B CN104160059B CN201380012678.5A CN201380012678A CN104160059B CN 104160059 B CN104160059 B CN 104160059B CN 201380012678 A CN201380012678 A CN 201380012678A CN 104160059 B CN104160059 B CN 104160059B
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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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/02—Pretreatment of the material to be coated, e.g. for coating on selected surface areas
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/073—Metallic material containing MCrAl or MCrAlY alloys, where M is nickel, cobalt or iron, with or without non-metal elements
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/06—Metallic material
- C23C4/08—Metallic material containing only metal elements
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/04—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
-
- 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
- C23C4/00—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
- C23C4/12—Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the method of spraying
- C23C4/134—Plasma spraying
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- 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
- Y10T428/25—Web or sheet containing structurally defined element or component and including a second component containing structurally defined particles
- Y10T428/256—Heavy metal or aluminum or compound thereof
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Coating By Spraying Or Casting (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Abstract
The present invention proposes the method that high-temperature stable coating (12) are applied on the surface of component (11), the described method comprises the following steps: a) providing the component (11) with surface to be coated；B) dusty material comprising at least part submicron powder particle (18) is provided；C) dusty material is coated to the surface of component (11) by spraying technology, to establish coating (12), thus, d) the submicron powder particle (18) is at least partly oxidized object shell (20) respectively and surrounds, and the submicrometer oxides network (22) at least partly interconnected is established in the coating (12) with its oxide shell (20).
Description
Background of invention
The present invention relates to the heat load components of heat engine (especially combustion gas turbine).The present invention relates to apply on the surface of component
The method for applying high-temperature stable coating.The invention further relates to the components with this coating.
The prior art
In order to protect heat load component, heated gas is not encroached on, they is coated with various protective layers, for example, heat insulating coat
(TBC).In order to make this layer be firmly bound to module body, it can be provided between the basis material and TBC of component and combine coating.
Known combination coating for the component made of Ni base superalloy etc. is MCrAlY type, and wherein M represents metal, such as Ni.
During working life, crackle is formed in conjunction with coating, and expands into the parent metal of component, and described group
Part is the component of combustion gas turbine or other heat engines, and is exposed to elevated operating temperature.Especially, low-cycle fatigue (LCF)/heat
Mechanical fatigue (TMF) rupture is the service life of this class component and the limiting factor of prosthetic.
In the present circumstance, the design in service life and prosthetic limitation state of the art, and advised based on calculating with experience
Determine engine working mode.For combining coating/seal coat standard MCrAIY to form, currently without the available solution of industry
Method is to extend these limitations (while having both oxidation life and mechanical life).Self-repairing system is to extend their one kind
Solution.
The distinct methods using nano-structured coating are proposed in 7,361,386 B2 of document US.
According to this document, in order to improve the efficiency of combustion gas turbine, hot-zone fixation kit is protected with heat insulating coat (TBC)
(mainly burner, transition piece and impeller).In addition to provided for nickel based super alloy component it is heat-insulated other than, TBC also provides oxygen resistant to high temperatures
Change the protection corroded with heat erosion.For ship (diesel oil) engine, military and commercial aircraft and continental rise gas turbine component
Conventional TBC be made of double-layer structure, which combines coating and oxygen by metal MCrAlY (M indicate Co, Ni and/or Fe)
The ceramic top coating of zirconium oxide (YPSZ) for changing yttrium partially stabilizedization is constituted.
Document further assert that the complete potentiality of YPSZ TBC are still to be achieved, and this is mainly due to the hairs in finite number of time
Along the splintering problem for combining coating/top coat bed boundary or occurring in its vicinity after motivation working cycles.This interfacial rupture, warp
Premature coating failure is often led to from conjunction with coating stripping (spallation) by top coating, by the aging from the work of depositing coating
Obtained micro-structure evidence and the laboratory test by having carried out sufficiently proves.On combining coating top, combining coating/top coat
The thin oxide layer grown at bed boundary plays a crucial role in interfacial rupture.It is obvious that this splintering problem is started by reducing
The negative effect of both engine efficiency (because engine operating temperature keeps below its optimum temperature) and shortening engine pack service life
Coating performance.This transfers the reliability and efficiency of the entire engine system of extreme influence.
According to 7,361,386 B2 of document US, arrange above the combination coating surface of YPSZ top coating have mainly by
Various oxide (NiO, Ni (Cr, Al)2O4、Cr2O3、Y2O3、Al2O3) composition thin oxide layer.There are this thin oxide layers
It plays an important role in attachment (in conjunction with) between metal bonding coating and ceramic top coating.However, during engine operation,
Other than the oxide of script, other oxide skin(coating) is also formed.This secondary layer, also mainly aluminium oxide, commonly referred to as warm
It grows oxide (TGO), and is slowly grown during being exposed to high temperature.Interfacial oxide, especially TGO layer were rupturing
It plays a crucial role in journey.It is believed that TGO layer growth leads to stress accumulation at the interface zone between TGO layer and top coating.
In order to solve these problems, document US 7,361,386 B2 are proposed, in order to control then during high temperature exposure
Variation changes the micro-structure of MCrAlY combination coating with control mode before being exposed to high temperature (in heat insulating coat).More
It says to body, structure, composition and the growth rate of thermal growth oxide (TGO) is controlled, finally to improve the performance of TBC.According to US
7,361,386 B2 provide nanostructure in combining coating, therefore, nanocrystal dispersion are introduced into structure.Dispersion
Purposes be to stablize nanocrystalline structure, and make [α]-Al desired in TGO2O3Nucleation.
Other existing technical literatures, Ajdelsztajn etc., 201 (2007) 9462- of Surf. & Coat. Tech.
9467 and Funk etc., Met. Mat. Trans. A 42 [8] (2011) 2233-2241), show this nanostructure knot
Closing coating has the advantages that several such as improved mechanical performances.This benefit is since there are the dispersed ultrafine bodies of γ and β phase.
Summary of the invention
It is applied the object of the present invention is to provide the method for applying improved high-temperature stable coating on the surface of component and with this
The component for hot environment of layer coating
This purpose is realized by the component of method of claim 1 and claim 14.
High-temperature stable coating is applied on the surface of component, and the method for the present invention includes the following steps:
A) component for having surface to be coated is provided；
B) dusty material comprising at least part submicron powder particle is provided；
C) dusty material is coated to the surface of component by spraying technology, to establish coating, as a result,
D) the submicron powder particle is at least partly oxidized object shell respectively and surrounds, and with its oxide shell in the painting
The submicrometer oxides network at least partly interconnected is established in layer.
According to inventive method embodiment, the dusty material is coated to the table of component by plasma spray technology
Face.
Especially, plasma spray technology used is that high-velocity oxy-fuel sprays (HVOF), low-voltage plasma spraying (LPPS), air
One of plasma spraying (APS) or suspended substance plasma spraying (SPS).
According to another embodiment of inventive method, the dusty material has agglomerate.
According to another embodiment of inventive method, the dusty material has suspension form.
According to another embodiment of inventive method, dusty material includes the powder particle of micron size and/or bigger
Agglomerate, and submicron powder particle is distributed in the powder particle of the micron size and/or described in the coating
Around the surface of bigger agglomerate.
According to another embodiment of inventive method, before being added to the coating, submicron powder particle is through pre-
Oxidation.
It is preferred that awing (in-flight) is pre-oxidized during spraying.
Alternatively, the oxidation the pre-heat treatment by dusty material is pre-oxidized.
According to another embodiment of inventive method, dusty material is metal powder.
Especially, dusty material is MCrAlY type, wherein M=Ni, Co, Fe or their combination.
According to another embodiment of inventive method, coating is in conjunction with coating or seal coat.
According to the present invention, there is the component on the surface coated with coating to be characterized in that, the coating includes sub-micro
Rice powder particle, these particles are at least partly oxidized object shell respectively and surround, and are established in the coating with its oxide shell
The submicrometer oxides network at least partly interconnected.
An embodiment according to the present invention, the coating further include the powder particle and/or more of micron size
Big agglomerate.
Especially, the submicron powder particle be distributed in the coating micron size powder particle and/
Or around the surface of the bigger agglomerate.
Another embodiment according to the present invention, coating be in conjunction with coating, dusty material is MCrAlY type, wherein M=
Ni, Co, Fe or their combination.
Brief description
The present invention is put it more precisely by different embodiments and with reference to attached drawing now.
Fig. 1 shows thermal spraying structure for use in the present invention with rough schematic view.
Fig. 2 shows that an embodiment according to the present invention is produced by the in-flight oxidation of the submicron powder particle of injection
The raw coating with subscale network；
Fig. 3 is similar with Fig. 2, is shown in the submicron powder oxide particle network and embeds micron particles or agglomeration
Object；And
Fig. 4 schematically shows the classification coating of an embodiment according to the present invention.
Reference signs list
10 thermal spraying structures
11 components
12,12a, 12b coating (for example, in conjunction with coating)
13 spray guns
14 flames
15 powder
16 fuel (for example, gas)
17 oxidants
18 submicron powder particles
19 metal cores
20 oxide shells
21 agglomeration or micron powder particles
22 oxide networks (sub-micron)
The detailed description of different embodiments of the present invention
The present invention discloses the submicrometer structure coating of specific type.Since the oxide network and particulate of submicron-scale are micro-
Structure, present invention aims at reduce LCF/TMF rupture.
Another aspect of the present invention is the retarding effect of oxidation and corrosion.Due to combining coating/seal coat nanometer
The influence of scale oxide network, oxidation and corrosion slows down.
Therefore, the present invention should be able to access longer operational life and/or guarantee prosthetic, have less useless component and/or
Reduced operational risk, for example, since mechanical/thermal load and/or oxidation/corrosion and/or FOD (Foreign Object Damage) event are in group
The key area of part forms crackle.
The present invention can
Submicrometer structure is kept (at least to pass through during through plasma spray technology coat coating and during turbine rotor
The extended working time, compared with the nano-structured coating of state of the art)；
The additional raising of coating performance.
Novelty of the invention is using submicron powder (certain percentage of at least up to total mixture of powders) and place
The mode (preparation and thermal spraying) for managing it reaches the coating performance of the raising.The coating performance of raising is particularly based on use (at least
Part) submicrometer structure reduce coating TMF/LCF effect.
The present invention is based on:
(1) using the powder with sub-micron or the powder comprising at least partly such submicron powder:
For the form of agglomerate, it is made of at least partly such submicron powder, is handled by plasma spray technology, such as
HVOF, LPPS or APS, such as (see Fig. 1)；
Or the form for suspended substance, when being applied by plasma spray technology such as suspended substance plasma spraying (SPS),
Including at least partly such submicron powder.
Such powder is metal powder, preferably MCrAlY, wherein M=Ni, Co, Fe or their combination.
In-flight oxidation (see Fig. 2) during spraying have make the submicron powder of agglomerate or suspended substance pre-oxidize
Effect.By the oxidation the pre-heat treatment of mixture of powders, pre-oxidation can also be realized.
When submicron-scale is presented in only amount of powder, submicron particles is preferably made to be distributed in the spray of micron and/or agglomeration
It penetrates around the surface of powder particle.
(2) powder is applied on turbine assembly by heat spraying method (HVOF, LPPS, APS, SPS etc.), to be formed
(at least partly) submicrometer structure coating with (at least partly) oxide network.Air cannon spraying technology can also be used.It is excellent
Choosing uses the pulverized powder pre-oxidized.Coatable homogeneous or classification coating (see the classification coating 12b in Fig. 4).For example, hierarchical layer
12b can have an oxide content, oxide content with parent metal surface to coating top surface distance and increase and add deduct
It is small.In different examples, oxide content can have minimum value at the middle part of coating layer thickness.
(3) effect of this coating can be the combination as turbine assembly (for example, gas turbine blades or impeller)
Coating, seal coat or Thermal barrier coating systems.Coating of the invention can be applied in combination individually or with other standard coateds.The present invention
Coating can use on the component of brand-new or the component of reparation, can also be applied topically to component part (surface) repairing.
(4) component with this coating benefits from the fact that during operation
Oxidation protection:
Since there are oxide shell (20) around particle, in thermal spray process present invention element (such as Y, Al and C)
Loss reduce.Therefore, it can be formed during maintenance by flooding mechanism more stable thermal growth oxide (TGO), with routine
Metallic coating system compares, and slows down oxidation mechanism during operation.Meanwhile the oxide net formed is connected by oxide shell (20)
Network (22) allows to reduce the accumulation in (top and with the interface of parent metal) loss region in the coating by slowing down flooding mechanism.
Corrosion protection:
Using the present invention, chromium is finely dispersed in coating.This makes it possible to collect sulphur quickly, and slows down corresponding corrosion
Process.
Mechanical life:
Due to several effects, mechanical life is improved compared with conventional coat system:
1) improved coating oxidation performance can reduce total coating layer thickness.Therefore, also reduce since TMF and LCF formation is split
The risk of line.This effect means to slow down the formation and extension of corresponding damage (such as crackle).
2) since 3D oxide network (22), mechanical load are distributed more uniformly along oxide network, this reduces unexpected
Broken risk.
3) the loss region in coating reduces, because for parent metal and the less phase counterdiffusion of atmosphere (environment).Cause
This, reduces the risk (the possibility position that crackle causes) of crisp phase precipitating in parent metal/coating.
4) oxide shell slows down the roughening of the crystal grain in coating microstructure, thus slow down crackle formation another is basic
Reason.
5) when oxide network is destroyed due to rupture, the diffusible metal that enters of the metal core of submicron particles is applied
Layer matrix.By subsequent selective oxidation, possible crackle can be filled up.
6) metal matrix ductility increases due to fine grained structure, this is also beneficial to overall coating life.
Fig. 1 shows the typical heat spray structure 10 that can be used for applying submicron powder coating of the invention.Thermal spraying structure
10 include the spray gun 13, fuel 16 and oxidant 17 for being provided with submicron powder 15.Flame 14, fire are generated by burning fuel 16
Powder particle is transmitted to the surface of component 11 by flame 14, to establish coating 12.
During transmitting in flame 14, the experience reaction of submicron powder particle 18, this can be in fig. 2, it is seen that make them
It is transformed into the particle for being oxidized (metal) core 19 that object shell 20 surrounds.In coating 12, the submicron particles of those oxidations
Establish the interconnection structure with submicrometer oxides network 22.
When dusty material is the mixture of submicron particles 18 and micron powder particles or agglomerate 21, such as institute in Fig. 3
Show, gained coating 12a include the submicron particles 18 that are oxidized around those of agglomerate or micron powder particles 21.
An other embodiments of the invention are the high fever especially cyclicity liner sections for manufacturing combustion gas turbine
Improvement Thermal barrier coating systems method, pass through:
A) the homogeneous metal dusty material made of NiCrAlY type is provided, wherein Ni=surplus element, the weight of Cr=25%,
The weight of Al=5%, the weight of Y=0.7%, the metal powder material include that 30% weight pre-oxidizes submicron powder particle, and are mutually assimilated
Powder particle (20-50 microns) agglomeration of the micron size of composition is learned,
B) the submicron powder particle (< 1 micron) is oxidized object shell (50-100nm) respectively and surrounds, and with its oxide
Shell establishes the 3D submicrometer oxides network at least partly interconnected in final coating coating,
C) dusty material is coated to the surface of impeller by high-velocity oxy-fuel (HVOF) spraying technology, to establish tool
There is the homogeneous combination coating of 250 micron thickness, and
D) it will be then coated in above in conjunction with coating with ceramic heat insulating coating (300-600 microns).
It as a result is anti-TMF and inoxidizability, the capable combination coating for forming stable TGO fouling/heat-insulated with improvement
Coat system, the total coating life being improved.
Another embodiment of the invention is the turbine leaf for manufacturing the high fever especially repeated loading of combustion gas turbine
The method of the classification metal covering coat system of wheel, passes through:
A) first homogeneous metal dusty material and the second homogeneous metal dusty material are provided, NiCrAlY type is respectively provided with
Chemical composition, wherein Ni=surplus element, the weight of Cr=26%, the weight of Al=6%, the weight of Y=0.8%,
B) wherein the first mixture of powders includes 25% weight pre-oxidation sub-micron (< 1 micron, 50-100nm oxide shell)
Powder particle, and powder particle (20-50 microns) agglomeration of the micron size of identical chemical composition (80 microns average),
C) wherein the second powder include micron size powder particle (20-50 microns),
D) first dusty material is coated to the surface of liner section by high-velocity oxy-fuel (HVOF) spraying technology, to build
The vertical homogeneous first coating with 80 micron thickness,
E) second dusty material is coated to the surface (250 of first coating by high-velocity oxy-fuel (HVOF) spraying technology
Micron),
F) another the first dusty material of layer is coated on second coating top by high-velocity oxy-fuel (HVOF) spraying technology
(80 microns),
G) first layer and third layer separately include the 3D submicrometer oxides network at least partly interconnected.
It as a result is anti-TMF and antioxidative classification metal covering coat system with improvement, the total painting being improved
The layer service life.
In general, compared with conventional coating microstructure, in the display at least partly coating of submicron-scale structure, damage
Occur and extension is delayed." sub-micron effect " is kept through extending life time, this is also due to (at least partly) oxide
Network.The aspects of the invention gives precoat so-called self-healing properties.
Therefore, following advantages is obtained with the present invention:
Longer operational life, and/or during reparation reduction amount useless component, and/or reduced operational risk, and/or
Cost relevant to crackle recovery, oxidation and corrosion damage is reduced.In addition, the heat that the coating of fine grain size allows to have reduced
The diffusion heat treatments of processing cycle number.Nano coating as top layer improves anti-TMF and inoxidizability, this total painting being improved
The layer service life.
Claims (15)
1. the method for applying high-temperature stable coating (12,12a, 12b) on the surface of component (11), the method includes following
Step:
A) component (11) for having surface to be coated is provided；
B) dusty material comprising at least part submicron powder particle (18) is provided；
C) dusty material is coated to the surface of the component (11) by plasma spray technology, with establish coating (12,
12a, 12b), during being transmitted in flame, submicron powder particle (18) experience reaction, so that they, which are transformed into, has by oxygen
The particle for the core (19) that compound shell (20) surrounds, as a result,
D) the submicron powder particle (18) is at least partly oxidized object shell (20) respectively and surrounds, and with its oxide shell (20)
The submicrometer oxides network (22) of at least partly direct interconnection is established in the coating (12,12a, 12b).
2. method of claim 1, it is characterised in that plasma spray technology used be high-velocity oxy-fuel spray (HVOF), low pressure etc. from
One of son spraying (LPPS), air plasma spray (APS) or suspended substance plasma spraying (SPS).
3. method of claim 1, it is characterised in that the dusty material has agglomerate.
4. method of claim 1, it is characterised in that the dusty material has suspension form.
5. method of claim 1, it is characterised in that the dusty material includes the powder particle (21) and/or more of micron size
Big agglomerate, and the submicron powder particle (18) is distributed in the micron in the coating (12,12a, 12b)
Around the powder particle (21) of size and/or the surface of the bigger agglomerate.
6. method of claim 1, which is characterized in that before being added to the coating (12,12a, 12b), the sub-micro
Rice powder particle (18) is through pre-oxidizing.
7. method for claim 6, it is characterised in that awing carry out the pre-oxidation during spraying.
8. method for claim 6, it is characterised in that carry out the pre-oxidation by the oxidation the pre-heat treatment of the dusty material.
9. method of claim 1, it is characterised in that the dusty material is metal powder.
10. method for claim 9, it is characterised in that the dusty material be MCrAlY type, wherein M=Fe, Ni, Co or it
Combination.
11. the method for any one of claims 1 to 10, it is characterised in that the coating (12,12a, 12b) is in conjunction with coating
Or seal coat.
12. being used for the component (11) of hot environment, the component (11) has the surface with coating (12,12a, 12b) coating,
It is characterized in that, the coating (12,12a, 12b) includes submicron powder particle (18), and during being transmitted in flame, sub-micro
Rice powder particle (18) undergoes reaction, so that they are transformed into the particle for being oxidized the core (19) that object shell (20) surrounds, and
The submicron powder particle (18) is established at least partly in the coating (12,12a, 12b) with its oxide shell (20)
The submicrometer oxides network (22) of direct interconnection.
13. the component of claim 12, it is characterised in that the coating (12,12a, 12b) further includes micron size
Powder particle (21) and/or bigger agglomerate.
14. the component of claim 13, it is characterised in that the submicron powder particle (18) the coating (12,12a,
It is distributed in 12b) around the powder particle (21) of the micron size and/or the surface of the bigger agglomerate.
15. the component of any one of claim 12 to 14, it is characterised in that the coating (12,12a, 12b) is to combine to apply
Layer, the dusty material are MCrAlY type, wherein M=Ni, Co, Fe or their combination.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP12158129.2 | 2012-03-05 | ||
| EP12158129.2A EP2636763B1 (en) | 2012-03-05 | 2012-03-05 | Method for applying a high-temperature stable coating layer on the surface of a component and component with such a coating layer |
| PCT/EP2013/054337 WO2013131874A1 (en) | 2012-03-05 | 2013-03-05 | Method for applying a high-temperature stable coating layer on the surface of a component and component with such a coating layer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104160059A CN104160059A (en) | 2014-11-19 |
| CN104160059B true CN104160059B (en) | 2019-01-08 |
Family
ID=47997369
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380012678.5A Active CN104160059B (en) | 2012-03-05 | 2013-03-05 | The method of high-temperature stable coating and the component with this coating are applied on the surface of component |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20150284834A1 (en) |
| EP (1) | EP2636763B1 (en) |
| CN (1) | CN104160059B (en) |
| CA (1) | CA2864618A1 (en) |
| WO (1) | WO2013131874A1 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104451520B (en) * | 2014-12-04 | 2017-08-01 | 中国船舶重工集团公司第十二研究所 | A kind of zirconia polycrystalline rolls into a ball the preparation method of ceramic coating |
| EP3168204B1 (en) * | 2015-11-12 | 2019-02-27 | Ansaldo Energia IP UK Limited | Method for manufacturing a gas turbine part |
| US10752999B2 (en) | 2016-04-18 | 2020-08-25 | Rolls-Royce Corporation | High strength aerospace components |
| US10763715B2 (en) | 2017-12-27 | 2020-09-01 | Rolls Royce North American Technologies, Inc. | Nano-crystalline coating for magnet retention in a rotor assembly |
| CN108004498A (en) * | 2017-12-29 | 2018-05-08 | 上海英佛曼纳米科技股份有限公司 | A kind of high temperature hot-rolled steel furnace roller with high temperature resistance dross oxidation and corrosion abrasion-resistant coatings |
| US11317540B2 (en) | 2019-09-20 | 2022-04-26 | Samsung Electronics Co., Ltd. | Solid state drive apparatus and data storage apparatus including the same |
| CN113881912B (en) * | 2021-10-09 | 2023-01-31 | 矿冶科技集团有限公司 | Nano oxide dispersion type MCrAlY anti-oxidation coating and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037705A (en) * | 1988-11-08 | 1991-08-06 | Hermann C. Starck Berlin Gmbh & Co. Kg | Oxygen-containing molybdenum metal powder and processes for its preparation |
| CN101208450A (en) * | 2005-05-14 | 2008-06-25 | 艾特莫斯（1998）有限公司 | Semiconductor materials and methods of producing them |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7361386B2 (en) | 2002-07-22 | 2008-04-22 | The Regents Of The University Of California | Functional coatings for the reduction of oxygen permeation and stress and method of forming the same |
| DE50309456D1 (en) * | 2002-11-22 | 2008-05-08 | Sulzer Metco Us Inc | Spray powder for the production of a high temperature resistant thermal barrier coating by means of a thermal spray process |
| FR2877015B1 (en) * | 2004-10-21 | 2007-10-26 | Commissariat Energie Atomique | NANOSTRUCTURE COATING AND COATING PROCESS. |
| US20060165898A1 (en) * | 2005-01-21 | 2006-07-27 | Cabot Corporation | Controlling flame temperature in a flame spray reaction process |
| US20100032619A1 (en) * | 2006-09-14 | 2010-02-11 | Rene Jabado | Method for producing a particle-containing functional layer and functional element comprising such a layer |
| US20100080921A1 (en) * | 2008-09-30 | 2010-04-01 | Beardsley M Brad | Thermal spray coatings for reduced hexavalent and leachable chromuim byproducts |
| US8313810B2 (en) * | 2011-04-07 | 2012-11-20 | General Electric Company | Methods for forming an oxide-dispersion strengthened coating |
-
2012
- 2012-03-05 EP EP12158129.2A patent/EP2636763B1/en active Active
-
2013
- 2013-03-05 WO PCT/EP2013/054337 patent/WO2013131874A1/en active Application Filing
- 2013-03-05 CA CA2864618A patent/CA2864618A1/en not_active Abandoned
- 2013-03-05 CN CN201380012678.5A patent/CN104160059B/en active Active
-
2014
- 2014-09-02 US US14/474,564 patent/US20150284834A1/en not_active Abandoned
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5037705A (en) * | 1988-11-08 | 1991-08-06 | Hermann C. Starck Berlin Gmbh & Co. Kg | Oxygen-containing molybdenum metal powder and processes for its preparation |
| CN101208450A (en) * | 2005-05-14 | 2008-06-25 | 艾特莫斯（1998）有限公司 | Semiconductor materials and methods of producing them |
Also Published As
| Publication number | Publication date |
|---|---|
| EP2636763A1 (en) | 2013-09-11 |
| CA2864618A1 (en) | 2013-09-12 |
| CN104160059A (en) | 2014-11-19 |
| US20150284834A1 (en) | 2015-10-08 |
| WO2013131874A1 (en) | 2013-09-12 |
| EP2636763B1 (en) | 2020-09-02 |
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