CN109207902A - A kind of preparation method of ceramic base high-temperature abradable seal coating - Google Patents
A kind of preparation method of ceramic base high-temperature abradable seal coating Download PDFInfo
- Publication number
- CN109207902A CN109207902A CN201811034437.1A CN201811034437A CN109207902A CN 109207902 A CN109207902 A CN 109207902A CN 201811034437 A CN201811034437 A CN 201811034437A CN 109207902 A CN109207902 A CN 109207902A
- Authority
- CN
- China
- Prior art keywords
- coating
- preparation
- ysz
- matrix
- ceramic base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
- C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
- 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
-
- 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
- C23C4/10—Oxides, borides, carbides, nitrides or silicides; Mixtures thereof
- C23C4/11—Oxides
Abstract
The present invention relates to a kind of preparation methods of ceramic base high-temperature abradable seal coating, belong to field of compound material.It is sprayed on bottom as bottom, then by YSZ solution presoma using SPPS by first using CoNiCrAlY layers of atmospheric plasma spraying on the matrix after surface sand-blasting process, forms YSZ ceramics base nano coat, the as described coating.The method can be effectively reduced the hardness of the coating, improve the bond strength of the coating, and compared with traditional seal coating, the coefficient of friction of the coating is substantially reduced；The method simplifies the post-processing of the coating, without handling perforating agent, by the way that nano particle is added in solution presoma, effectively improves spray efficiency；And in spraying process, nano particle heating status is different, is easy to form the special construction that macropore and aperture combine in the coating, improves the porosity of the coating.
Description
Technical field
The present invention relates to a kind of preparation methods of ceramic base high-temperature abradable seal coating, relate in particular to gas turbine
With the preparation method of aero-engine high temperature abradable seal coating, the coating be used as gas circuit obturage and protect blade not by
Damage, is a kind of high-performance high temperature seal coating with nanostructure, belongs to field of compound material.
Background technique
High-temperature abradable seal coating is widely used in the coating of the functional coating in fan, compressor and turbine part.Envelope
Tight coating reduces the leakage generated in gas compression processes for being acted on inside casing with comb tooth or blade tip.In order to improve
The performance and working efficiency of engine reduce oil consumption, need to reduce the gap between engine crankcase and blade tip.However,
In engine operation process, many factors can all cause the variation of casing and blade-tip clearance, such as thermal expansion, centrifugal force variation
Deng will lead to leaf elongation, casing expanded by heating, make blade tip and casing that friction occur and damage.Therefore, high temperature obturages painting
Layer should not only have the function of reducing gas circuit gap, should also have the function of that blade tip is protected not to be worn, this just needs height
Warm seal coating must have the characteristics that high temperature resistant, abradable, low-friction coefficient, hardness are low.
Currently, the high speed development of aeronautical technology, the operating temperature at turbine position is reached 1000 DEG C or more, traditional gold
Category base seal coating, which is unable to satisfy under long-time hot environment, to be used, in addition, Metal Substrate seal coating bond strength is high, hardness
Height improves coating porosity even if addition lubrication mutually such as boron nitride, calcirm-fluoride, bentonite, reduction coating hardness, but with making
With the extension of time, oxidative phenomena occurs for metallic matrix inside, and coating porosity reduces, and hardness increases, these serious obstructions
The development of Metal Substrate seal coating.
Ceramic base seal coating solves the problems, such as that metal based coating high temperature is oxidized easily.Ceramic matrix hardness is higher,
By increasing perforating agent, macroscopical macroporous structure can be increased, part reduces the hardness of coating, but can not fundamentally solve coating
Abradability, cause engine blade impaired serious, efficiency reduces.
In conclusion developing acquisition to have the high temperature seal coating of soft and high wear hardness is that the field is badly in need of solving
The problem of.
Summary of the invention
In order to solve problem above, present invention aims at the preparation sides for preparing a kind of ceramic base high temperature seal coating
Method, the coating prepare high porosity ceramic coating using solution presoma plasma spraying technology (SPPS), do not need to add
The hardness of coating is effectively reduced while meeting as engine high-temperature seal coating performance in perforating agent, and that improves coating can
Abrasivity has the function that protect blade, reduces gap.
To achieve the purpose of the present invention.Following technical scheme is provided.
A kind of preparation method of ceramic base high temperature seal coating, the method comprises the following steps:
(1) blasting treatment is carried out to the clean surface of matrix, roughness (Ra) value is 25 μm~50 μm, and it is pre- to obtain surface
The matrix of processing；
(2) raw material is dissolved in preparation YSZ (yttria-stabilized zirconia in water and alcohols material mixed solution
Yttria-stabilized zirconia) solution presoma, wherein yttrium makees the stabilizer of zr element；
(3) bottom, YSZ first are used as using atmospheric plasma spraying CoNiCrAlY layers on the matrix of surface preparation
Solution presoma is sprayed on bottom using SPPS, forms YSZ ceramics base nano coat, which is of the present invention one
Kind ceramic base high temperature seal coating.
Wherein:
In step (1):
Described matrix is high temperature alloy matrix, generally using cobalt, nickel as matrix, has elevated temperature strength, plasticity, good antioxygen
The property changed, health hot corrosion resistance are single austenite structure, and stability is high in the high temperature environment；
Ethyl alcohol or acetone soln can be used, the matrix that cleaning obtains surface cleaning is carried out to the greasy dirt of matrix surface；
In step (2):
YSZ solution precursor material yttrium source is preferably yttrium nitrate or yttrium oxide；Zirconium source be preferably zirconium nitrate, basic zirconium chloride or
Zirconium sulfate, preferably Y in YSZ solution presoma2O3Molar content be 3%~10%；
Alcohols material is preferably ethyl alcohol or isopropanol；And according to the ratio of water and alcohol compound, the densification of coating is adjusted
Degree, changes the hardness of coating, is conducive to the abradability energy for playing coating；
It is preferred that the volume ratio of water and alcohols material is 1:1~5:1；
In step (3):
YSZ solution presoma is sprayed on the matrix of surface preparation using SPPS, forms YSZ ceramics base nano coat
Method particularly includes: feeding style is carried out using external pressure formula fluid reservoir, feeding liquid is squeezed out using compressed air, by adjusting gas-liquid
Two-phase atomizer is at a distance from spray tip, admission pressure changes spray pattern, and YSZ solution presoma is transported to plasma
In flame stream, and with evaporation, thawing, sintering and deposition process, YSZ ceramics base nano coat is formed.
The specific process parameter of SPPS spraying are as follows: nozzle inside diameter is 0.26mm~0.6mm, gas-liquid two-phase atomizer distance
The height of plasma torch is 0.5cm~3cm, and the axial distance to plasma nozzle is 0.5cm~2cm；Argon flow is
30L/min~50L/min, hydrogen flowing quantity be 1.4L/min~2.0L/min, electric current be 450A~600A, voltage be 60V~
80V, spray distance are 40mm~100mm, and liquid feeding amount is 10mL/min~30mL/min.
It is preferred that YSZ ceramics base nano coat thickness is more than or equal to 0.5mm.
Beneficial effect
1. the hard of coating can be effectively reduced the present invention provides a kind of preparation method of ceramic base high temperature seal coating
Degree, improves the bond strength of coating, compared with traditional seal coating, the coefficient of friction of the coating is substantially reduced；
2. the method simplifies the rear place of coating the present invention provides a kind of preparation method of ceramic base high temperature seal coating
Reason process, by the way that nano particle is added in solution presoma, effectively improves spray efficiency without handling perforating agent；
And in spraying process, nano particle heating status is different, is easy to form the special knot that macropore and aperture combine in the coating
Structure improves the porosity of coating.
Detailed description of the invention
Fig. 1 is a kind of surface Scanning Electron microscope figure of ceramic base high temperature seal coating obtained in embodiment 1.
Fig. 2 is a kind of X-ray diffraction (XRD) figure of ceramic base high temperature seal coating in embodiment 1.
Specific embodiment
The present invention will be further described With reference to embodiment.It is emphasized that following the description is only
Illustratively, the range and its application being not intended to be limiting of the invention.
In following embodiment:
Air plasma spraying and SPPS spray-on coating use APS-2000K type plasma spraying equipment.
A kind of ceramic base high temperature seal coating made from embodiment test as follows:
Using Japanese JEOL company JSM-7001F type scanning electron microscope observe shown in coating surface and section it is micro-
Structure.
The coating substance phase composition is carried out using X ' the Pert Pro X-ray diffractometer of Dutch Panalytical company
Analysis.
The surface rockwell hardness of the coating is tested with HSRS-45 rockwell hardness testing instrument.
The coating and substrate combinating strength are tested with WDW-100E micro computer control universal tensile tester.
The coating wear hardness is tested with THT type ball disk friction wear testing machine.
Embodiment 1
A kind of preparation method of ceramic base high temperature seal coating, the method comprises the following steps:
(1) it is cleared up with greasy dirt of the acetone soln to nickel base superalloy matrix surface, obtains the matrix of surface cleaning；
Blasting treatment is carried out to the clean surface of matrix, is made 50 μm of value of its roughness (Ra)；
(2) using 40g yttrium nitrate and 760g zirconium nitrate as raw material, molar ratio 8:92, and it is dissolved in the mixed of water and ethyl alcohol
It closes and prepares YSZ solution presoma in solution 1.5L, wherein yttrium makees the stabilizer of zr element, and the volume ratio of water and ethyl alcohol is 5:
1。
(3) it first is used as bottom using atmospheric plasma spraying CoNiCrAlY layers on the matrix of surface preparation, be used for
Improve bond strength between coating and matrix.YSZ solution presoma is sprayed on bottom using SPPS, is formed YSZ ceramic base and is received
Rice coating, which is a kind of ceramic base high temperature seal coating of the present invention, the thickness of the coating described in calliper to measure
For 0.5mm.
YSZ solution presoma is sprayed on the matrix of surface preparation using SPPS, forms YSZ ceramics base nano coat
Method particularly includes: feeding style is carried out using external pressure formula fluid reservoir, feeding liquid is squeezed out using compressed air, by adjusting gas-liquid
Two-phase atomizer is at a distance from spray tip, admission pressure changes spray pattern, and YSZ solution presoma is transported to plasma
In flame stream, and with evaporation, thawing, sintering and deposition process, YSZ ceramics base nano coat is formed；
The specific process parameter of SPPS spraying are as follows: nozzle inside diameter 0.31mm, gas-liquid two-phase atomizer is apart from plasma
The height of flame is 1.5cm, and the axial distance to plasma nozzle is 1cm；Argon flow is 40L/min, and hydrogen flowing quantity is
2.0L/min, electric current 500A, voltage 70V, spray distance 50mm, liquid feeding amount are 20mL/min.
A kind of ceramic base high temperature seal coating that the present embodiment is prepared detect as follows:
1. the surface rockwell hardness of pair coating is tested, as a result HR15Y is 63；
2. the bond strength of the coating and matrix is 3.5MPa；
3. the thermal shock performance of coating: the matrix for being coated with the coating is put into high temperature furnace and is calcined in 1100 DEG C, heat preservation
10min takes out and is put into rapid cooling in cold water rapidly, repeats experimental procedure, under 1100 DEG C of hot environments, be repeated 10 times with
On, the coating keeps completing illustrating that the coating thermal shock performance is good without breakage；
3. the surface topography of the coating: as shown in Figure 1, the coating has porous structure, surface texture is loose；
4. the X-ray diffraction measure result of the coating: as shown in Fig. 2, the coating, which has, stablizes tetragonal phase crystal form, saying
There is no phase transformations during the deposition process for the bright coating.
5. the coating wear hardness test result shows that the coating has good high temperature friction performance, friction system
Number is 0.25, and the coefficient of friction of coating is significantly reduced compared with other seal coatings.
Embodiment 2
A kind of preparation method of ceramic base high temperature seal coating, the method comprises the following steps:
(1) it is cleared up with greasy dirt of the acetone soln to nickel base superalloy matrix surface, obtains the matrix of surface cleaning；
Blasting treatment is carried out to the clean surface of matrix, is made 30 μm of value of its roughness (Ra)；
(2) using 40g yttrium nitrate and 595g zirconium nitrate as raw material, molar ratio 10:90, and it is dissolved in the mixed of water and ethyl alcohol
It closes and prepares YSZ solution presoma in solution 1.5L, wherein yttrium makees the stabilizer of zr element, and the volume ratio of water and ethyl alcohol is 1:
1。
(3) it first is used as bottom using atmospheric plasma spraying CoNiCrAlY layers on the matrix of surface preparation, be used for
Improve bond strength between coating and matrix.YSZ solution presoma is sprayed on bottom using SPPS, is formed YSZ ceramic base and is received
Rice coating, which is a kind of ceramic base high temperature seal coating of the present invention, the thickness of the coating described in calliper to measure
For 0.5mm.
YSZ solution presoma is sprayed on the matrix of surface preparation using SPPS, forms YSZ ceramics base nano coat
Method particularly includes: feeding style is carried out using external pressure formula fluid reservoir, feeding liquid is squeezed out using compressed air, by adjusting gas-liquid
Two-phase atomizer is at a distance from spray tip, admission pressure changes spray pattern, and YSZ solution presoma is transported to plasma
In flame stream, and with evaporation, thawing, sintering and deposition process, YSZ ceramics base nano coat is formed.
The specific process parameter of SPPS spraying are as follows: nozzle inside diameter 0.31mm, gas-liquid two-phase atomizer is apart from plasma
The height of flame is 2cm, and the axial distance to plasma nozzle is 1cm；Argon flow is 40L/min, hydrogen flowing quantity 2.0L/
Min, electric current 500A, voltage 70V, spray distance 45mm, liquid feeding amount are 20mL/min.
A kind of ceramic base high temperature seal coating that the present embodiment is prepared detect as follows:
1. the surface rockwell hardness of pair coating is tested, result HR15Y is 65；
2. the bond strength of the coating and matrix is 3.0MPa；
3. the thermal shock performance of coating: the matrix for being coated with the coating is put into high temperature furnace and is calcined in 1100 DEG C, heat preservation
10min takes out and is put into rapid cooling in cold water rapidly, repeats experimental procedure, under 1100 DEG C of hot environments, be repeated 10 times with
On, the coating keeps completing illustrating that the coating thermal shock performance is good without breakage；
3. the surface topography of the coating: the coating has porous structure, and surface texture is loose；
4. the X-ray diffraction measure result of the coating: the coating, which has, stablizes tetragonal phase crystal form, illustrates described heavy
There is no phase transformations during product.
5. the coating wear hardness test bright coating of table result has good high temperature friction performance, friction system
Number is 0.33, and the coefficient of friction of coating is significantly reduced compared with other seal coatings.
The test result of above embodiments 1 and embodiment 2 illustrates that coating hardness made from the embodiment is low, good
High-temperature abrasive performance can use, long service life under 1100 DEG C or more of hot environment.
The present invention includes but is not limited to above-described embodiment, it is all carried out under the spirit and principles in the present invention it is any etc.
With replacement or local improvement, all will be regarded as within protection scope of the present invention.
Claims (7)
1. a kind of preparation method of ceramic base high temperature seal coating, it is characterised in that: the method comprises the following steps:
(1) blasting treatment is carried out to the clean surface of matrix, roughness Ra value is 25 μm~50 μm, obtains surface preparation
Matrix；
(2) raw material is dissolved in preparation YSZ solution presoma in water and alcohols material mixed solution；
(3) bottom, YSZ solution first are used as using atmospheric plasma spraying CoNiCrAlY layers on the matrix of surface preparation
Presoma is sprayed on bottom using SPPS, forms YSZ ceramics base nano coat, which is that a kind of ceramic base is high
Warm seal coating；
Described matrix is high temperature alloy matrix.
2. a kind of preparation method of ceramic base high temperature seal coating according to claim 1, it is characterised in that: SPPS spraying
Design parameter are as follows: nozzle inside diameter is 0.26mm~0.6mm, and height of the gas-liquid two-phase atomizer apart from plasma torch be
0.5cm~3cm, the axial distance to plasma nozzle are 0.5cm~2cm；Argon flow is 30L/min~50L/min, hydrogen
Flow be 1.4L/min~2.0L/min, electric current be 450A~600A, voltage be 60V~80V, spray distance be 40mm~
100mm, liquid feeding amount are 10mL/min~30mL/min.
3. a kind of preparation method of ceramic base high temperature seal coating according to claim 1 or 2, it is characterised in that: YSZ is molten
Liquid precursor material yttrium source is yttrium nitrate or yttrium oxide；Zirconium source is zirconium nitrate, basic zirconium chloride or zirconium sulfate；Alcohols material is ethyl alcohol
Or isopropanol.
4. a kind of preparation method of ceramic base high temperature seal coating according to claim 3, it is characterised in that: YSZ solution
Y in presoma2O3Molar content be 3%~10%；The volume ratio of water and alcohols material is 1:1~5:1.
5. a kind of preparation method of ceramic base high temperature seal coating according to claim 1 or 2, it is characterised in that: YSZ pottery
Porcelain base nano coat thickness is more than or equal to 0.5mm.
6. a kind of preparation method of ceramic base high temperature seal coating according to claim 1 or 2, it is characterised in that: use
Ethyl alcohol or acetone soln carry out the matrix that cleaning obtains surface cleaning to the greasy dirt of matrix surface.
7. a kind of preparation method of ceramic base high temperature seal coating according to claim 1 or 2, it is characterised in that: use
Ethyl alcohol or acetone soln carry out the matrix that cleaning obtains surface cleaning to the greasy dirt of matrix surface；
YSZ solution precursor material yttrium source is yttrium nitrate or yttrium oxide；Zirconium source is zirconium nitrate, basic zirconium chloride or zirconium sulfate；YSZ is molten
Y in liquid presoma2O3Molar content be 3%~10%；
Alcohols material is ethyl alcohol or isopropanol；The volume ratio of water and alcohols material is 1:1~5:1；
YSZ ceramics base nano coat thickness is more than or equal to 0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034437.1A CN109207902A (en) | 2018-09-06 | 2018-09-06 | A kind of preparation method of ceramic base high-temperature abradable seal coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811034437.1A CN109207902A (en) | 2018-09-06 | 2018-09-06 | A kind of preparation method of ceramic base high-temperature abradable seal coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109207902A true CN109207902A (en) | 2019-01-15 |
Family
ID=64987662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811034437.1A Pending CN109207902A (en) | 2018-09-06 | 2018-09-06 | A kind of preparation method of ceramic base high-temperature abradable seal coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109207902A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218965A (en) * | 2019-05-28 | 2019-09-10 | 沈阳富创精密设备有限公司 | A kind of preparation method of advanced ceramics layer |
| CN110670019A (en) * | 2019-10-14 | 2020-01-10 | 四川大学 | Anti-crater wear aluminum-titanium-zirconium-nitrogen and aluminum oxide multilayer composite coating and preparation method thereof |
| CN112126883A (en) * | 2020-08-20 | 2020-12-25 | 西安交通大学 | Ultra-flat blade tip cutting coating with outward sharp corner and preparation method thereof |
| CN113249676A (en) * | 2021-04-08 | 2021-08-13 | 上海大学 | Abradable seal coating structure with low friction coefficient and high wear rate and preparation method thereof |
| CN113969385A (en) * | 2021-10-27 | 2022-01-25 | 中国民航大学 | Preparation method of ceramic-based sealing coating with brick-mud layered structure |
| CN114752882A (en) * | 2022-03-25 | 2022-07-15 | 华东理工大学 | Long-life thermal barrier coating for heavy gas turbine and preparation method thereof |
| CN114752881A (en) * | 2022-03-25 | 2022-07-15 | 华东理工大学 | Preparation method of CMAS corrosion-resistant thermal barrier coating and thermal barrier coating obtained by preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180135646A1 (en) * | 2016-11-16 | 2018-05-17 | General Electric Company | Abradable coating composition for compressor blade and methods for forming the same |
-
2018
- 2018-09-06 CN CN201811034437.1A patent/CN109207902A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180135646A1 (en) * | 2016-11-16 | 2018-05-17 | General Electric Company | Abradable coating composition for compressor blade and methods for forming the same |
Non-Patent Citations (1)
| Title |
|---|
| 王世兴等: ""溶液前驱体等离子喷涂制备新型结构热障涂层研究"", 《热喷涂技术》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110218965A (en) * | 2019-05-28 | 2019-09-10 | 沈阳富创精密设备有限公司 | A kind of preparation method of advanced ceramics layer |
| CN110670019A (en) * | 2019-10-14 | 2020-01-10 | 四川大学 | Anti-crater wear aluminum-titanium-zirconium-nitrogen and aluminum oxide multilayer composite coating and preparation method thereof |
| CN112126883A (en) * | 2020-08-20 | 2020-12-25 | 西安交通大学 | Ultra-flat blade tip cutting coating with outward sharp corner and preparation method thereof |
| CN112126883B (en) * | 2020-08-20 | 2021-11-19 | 西安交通大学 | Ultra-flat blade tip cutting coating with outward sharp corner and preparation method thereof |
| CN113249676A (en) * | 2021-04-08 | 2021-08-13 | 上海大学 | Abradable seal coating structure with low friction coefficient and high wear rate and preparation method thereof |
| CN113969385A (en) * | 2021-10-27 | 2022-01-25 | 中国民航大学 | Preparation method of ceramic-based sealing coating with brick-mud layered structure |
| CN114752882A (en) * | 2022-03-25 | 2022-07-15 | 华东理工大学 | Long-life thermal barrier coating for heavy gas turbine and preparation method thereof |
| CN114752881A (en) * | 2022-03-25 | 2022-07-15 | 华东理工大学 | Preparation method of CMAS corrosion-resistant thermal barrier coating and thermal barrier coating obtained by preparation method |
| CN114752881B (en) * | 2022-03-25 | 2024-03-08 | 华东理工大学 | Preparation method of CMAS corrosion resistant thermal barrier coating and thermal barrier coating obtained by preparation method |
| CN114752882B (en) * | 2022-03-25 | 2024-03-08 | 华东理工大学 | Long-service-life thermal barrier coating for heavy gas turbine and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109207902A (en) | A kind of preparation method of ceramic base high-temperature abradable seal coating | |
| US5952110A (en) | Abrasive ceramic matrix turbine blade tip and method for forming | |
| CA2562668C (en) | Optimized high temperature thermal barrier | |
| JP4004577B2 (en) | Comparted wear-resistant sealing system, Comparted wear-resistant ceramic coating method, Gas turbine engine component channel duct segment coating, and Comparted wear-resistant ceramic coating | |
| US9598973B2 (en) | Seal systems for use in turbomachines and methods of fabricating the same | |
| US7510370B2 (en) | Turbine blade tip and shroud clearance control coating system | |
| US8061978B2 (en) | Systems and methods involving abradable air seals | |
| JP6538323B2 (en) | 3D printing method of surface pattern of turbine shroud | |
| EP0919699B1 (en) | Columnar zirconium oxide abrasive coating for a gas turbine engine seal system | |
| EP3575559B1 (en) | Tapered abradable coatings | |
| CN109628929A (en) | A kind of thermal barrier coating and the preparation method and application thereof, aero engine turbine blades | |
| CN105603352B (en) | Al2O3/ YAG amorphous/eutectic composite ceramic coat and preparation method thereof | |
| Yin et al. | Microsliding wear behaviour of HVOF sprayed conventional and nanostructured WC–12Co coatings at elevated temperatures | |
| JP2015166479A (en) | New structure for thermal barrier coating improved in erosion and impact property and having ultralow thermal conductivity | |
| CN103572191A (en) | Four-phase ceramic matrix high-temperature wearable sealing coating | |
| CN112279682A (en) | Silicon-based composite coating, preparation method and application thereof, and aircraft engine | |
| Sharma et al. | An investigation on D-gun sprayed Al2O3-SiC coatings | |
| EP2949875A1 (en) | Air seal with abradable layer comprising maxmet composite powders and method of manufacturing thereof | |
| EP3981956A1 (en) | Cmas-resistant abradable coatings | |
| CN112334601A (en) | Method for producing an abradable layer | |
| CN114592164B (en) | DVC thermal barrier coating and preparation method and application thereof | |
| CN112601841B (en) | Abradable coating for rotating blades of a turbomachine | |
| CN1923909B (en) | Nano zirconium oxide based wearable sealing composite coating material and preparation method thereof | |
| EP3360985B1 (en) | Multilayer abradable coating | |
| US8974588B2 (en) | Coating composition, a process of applying a coating, and a process of forming a coating composition |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190115 |
|
| RJ01 | Rejection of invention patent application after publication |