CN104630686A - Preparation method of thermal barrier coating containing long-service-life antioxidant bonding layer - Google Patents
Preparation method of thermal barrier coating containing long-service-life antioxidant bonding layer Download PDFInfo
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- CN104630686A CN104630686A CN201510101244.3A CN201510101244A CN104630686A CN 104630686 A CN104630686 A CN 104630686A CN 201510101244 A CN201510101244 A CN 201510101244A CN 104630686 A CN104630686 A CN 104630686A
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Abstract
The invention relates to a preparation method of a thermal barrier coating containing a long-service-life antioxidant bonding layer. The preparation method comprises the following steps: (1) sequentially performing deoiling and sand blasting treatment on a high-temperature alloy matrix; (2) preparing a metal bonding layer on the high-temperature alloy matrix by virtue of atmosphere plasma spraying, low-pressure plasma spraying, high-speed oxygen flame spraying or high-speed compressed air flame spraying; and (3) then depositing a ceramic layer on the metal bonding layer by virtue of atmosphere plasma spraying, high-speed oxygen flame spraying, supersonic plasma spraying, solution plasma spraying or electron beam physical vapor deposition. Compared with the prior art, the thermal barrier coating prepared by using an FeCrAlY bonding layer, disclosed by the invention, has higher working temperature and slower oxidation layer growth rate compared with that of a conventional MCrAlY thermal barrier coating (M refers to Ni and Co) so as to avoid the interfacial properties of the bonding layer and the ceramic layer from forming a brittle Ni2Al2O4 phase; and the thermal barrier coating has excellent high-temperature oxidation resistance and longer service life.
Description
Technical field
The present invention relates to thermal barrier coating field, especially relate to a kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat.
Background technology
Thermal barrier coating typically refers to the ceramic coating being deposited on metallic surface, having good effect of heat insulation, be mainly used to the working temperature reducing matrix, from high temperature oxidation, burn into wearing and tearing, be by there is the tack coat of high temperature oxidation resistance and there is the coating system of ceramic layer combination of effect of heat insulation.It is for ensureing that the long-time military service of the hot-end component such as internal combustion turbine, engine is significant, and tack coat is the important component part of internal combustion turbine thermal barrier coating, and its performance directly affects the life-span of thermal barrier coating system.The composition of current tack coat is mainly MCrAlY (M=Ni, Co) and (Ni, Pt) Al.In ground gas turbine, MCrAlY (M=Ni, Co) is the most conventional, and its use temperature is about about 800 DEG C.But the mechanical behavior under high temperature of this type coating and antioxidant property can not satisfy the demands completely.In contrast, bonding layer material (the Ni of modern aeroengine thermal barrier coating main flow, Pt) Al has more excellent high-temperature oxidation resistance and high temperature creep strength, but this tack coat has shortcoming: this technology uses precious metals pt and CVD preparation technology, with high costs; Secondly, high-temperature yield strength is low, under high temperature stress effect, is easily formed at ceramic layer and tie-layer interface and rises and falls, thus cause crackle and cause thermal barrier coating losing efficacy.
Research shows that FeCrAlY alloy has the high-temperature oxidation resistance more excellent than traditional cementi layer, and FeCrAlY layer can form rapidly the Al of one deck densification
2o
3(i.e. TGO), and TGO poor growth, can not form compactness and the continuity of the disruptive oxidation layer of Ni2Al2O4 brittlement phase, but not yet be used to the tack coat preparing thermal barrier coating.
Summary of the invention
Object of the present invention is exactly provide a kind of preparation method of long lifetime oxidation-inhibited thermal barrier coating tack coat to overcome defect that above-mentioned prior art exists, FeCrAlY tack coat has more excellent high-temperature oxidation resistance than traditional NiCoCrAlY tack coat, and compact structure, uniform composition, makes Novel hot barrier coating have higher working temperature and the work-ing life of overlength.
Object of the present invention can be achieved through the following technical solutions:
A preparation method for thermal barrier coating containing long lifetime anti-oxidant tack coat, adopts following steps:
(1) superalloy matrix is carried out successively deoil and sandblasting;
(2) on superalloy matrix, metal bonding coating is prepared by low-voltage plasma spraying, air plasma spraying, high velocity oxygen-fuel spray or high-speed compressed air flame plating;
(3) by air plasma spraying, high velocity oxygen-fuel spray, Supersonic Plasma Spraying, solution plasma spraying or electro beam physics vapour deposition deposited ceramic layer on metal bonding coating.
Described metal bonding composition of layer is FeCrAlY.
Described ceramic layer is 6 ~ 8wt%Y
2o
3stable ZrO
2or RE
2zr
2o
7, wherein, RE is rare earth element.
During sandblasting in step (1), blasting pressure is 0.1 ~ 0.7MPa, and shot blasting particles main component is Al
2o
3, grain diameter is 16 ~ 120 orders.
During step (2) employing low-voltage plasma spraying, spray gun and superalloy matrix spacing are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, powder feeding rate is 10 ~ 70g/min, powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, and spraying current scope is 200 ~ 250A, and vacuum tightness is less than 20kPa.
When adopting air plasma spraying in step (2), (3), the temperature of superalloy matrix, metal bonding coating controls at 200 ~ 500 DEG C, spray gun and metal bonding interfloor distance are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, and powder feeding rate is 10 ~ 70g/min, and powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, spraying current scope is 200 ~ 250A, Ar gas velocity scope is 40 ~ 120L/min, H
2gas velocity scope is 15 ~ 45L/min.
When adopting high velocity oxygen-fuel spray in step (2), (3), spray gun and superalloy matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio 2-12 of oxygen/combustion gas, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A;
When adopting high-speed compressed air flame plating in step (2), spray gun and metallic matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio of pressurized air/combustion gas is 2-12, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A.
When adopting Supersonic Plasma Spraying in step (3), spray gun and metal bonding interfloor distance are 100 ~ 250mm, and spray gun translational speed is 300 ~ 1500mm/s, powder feeding rate is 10 ~ 120g/min, powder feeding air-flow is 0.5 ~ 3L/min, Ar gas velocity scope is 40 ~ 200L/min, H
2gas velocity scope is 15 ~ 80L/min.
When adopting solution plasma spraying in step (3), spray gun and metal bonding interfloor distance are 50 ~ 350mm, and rate of feed is 0.1 ~ 10L/min, and voltage range is 50 ~ 180V, and spraying current scope is 200 ~ 550A.
When adopting electro beam physics vapour deposition in step (3), the Heating temperature of metal bonding coating is 800-1050 DEG C, main electron beam gun power 15-30kw, the distance 100-400mm of target and matrix, vacuum tightness 1.0-10 × 10
-3pa, sedimentation effect 0.5-1.5um/min.
Preparation FeCrAlY tack coat will be avoided the above-mentioned shortcoming of traditional cementi layer by air plasma spraying, low-voltage plasma spraying, high velocity oxygen-fuel spray or high-speed compressed air flame plating by the present invention: this technique adopts FeCrAlY powdered alloy, not containing precious metals pt, without the need to the step of CVD technique and thermodiffusion, cost is low; Being on active service for a long time at high temperature is can not form fragility spinels metal oxide at coating interface, and fragility spinels metal oxide is the basic reason causing traditional cementi layer resistance of oxidation to reduce.
On superalloy matrix, FeCrAlY tack coat is deposited by air plasma spraying, low-voltage plasma spraying, high velocity oxygen-fuel spray or high-speed compressed air flame spray technique, the thickness prepared is controlled, the uniform Novel hot barrier coating of constituent structure, will have the oxidation-resistance better than traditional thermal barrier, higher working temperature and longer work-ing life.Compared with prior art, the present invention has the following advantages:
FeCrAlY layer can form rapidly the Al of one deck densification
2o
3(i.e. TGO), and TGO poor growth, can not form Ni
2al
2o
4the compactness of the disruptive oxidation layer of brittlement phase and continuity
(1) the FeCrAlY tack coat that the present invention adopts forms the Al of one deck densification
2o
3(i.e. TGO), and TGO poor growth, have more excellent oxidation-resistance;
(2) the Novel hot barrier coating prepared of the present invention is in high-temperature service process, can not form spinel brittlement phase between tack coat and ceramic layer, the densification of zone of oxidation and continuously, have higher working temperature;
(3) interface binding power that the Novel hot barrier coating prepared of the present invention is good, is highly resistant to thermal shocking, has very long work-ing life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the thermal barrier coating containing long lifetime anti-oxidant tack coat;
Fig. 2 is the scanning electron microscope (SEM) photograph in the FeCrAlY tack coat thermal barrier coating cross section of preparation;
Fig. 3 is the scanning electron microscope (SEM) photograph in cross section after FeCrAlY tack coat thermal barrier coating elevated temperature thermal cycles lost efficacy;
Fig. 4 is the cross-sectional scans Electronic Speculum figure after NiCoCrAlY tack coat thermal barrier coating elevated temperature thermal cycles lost efficacy.
In figure, 1 be superalloy matrix, 2 be metal bonding coating, 3 for ceramic layer.
Embodiment
A preparation method for thermal barrier coating containing long lifetime anti-oxidant tack coat, adopts following steps:
(1) carried out successively by superalloy matrix deoiling and sandblasting, during sandblasting, blasting pressure is 0.1 ~ 0.7MPa, and shot blasting particles main component is Al
2o
3, grain diameter is 16 ~ 120 orders;
(2) be the metal bonding coating of FeCrAlY by low-voltage plasma spraying, air plasma spraying, high velocity oxygen-fuel spray or high-speed compressed air flame plating prepared composition on superalloy matrix;
(3) by air plasma spraying, high velocity oxygen-fuel spray, Supersonic Plasma Spraying, solution plasma spraying or electro beam physics vapour deposition deposited ceramic layer on metal bonding coating, the composition of ceramic layer is 6 ~ 8wt%Y
2o
3stable ZrO
2or RE
2zr
2o
7, wherein, RE is rare earth element.
During step (2) employing low-voltage plasma spraying, spray gun and superalloy matrix spacing are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, powder feeding rate is 10 ~ 70g/min, powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, and spraying current scope is 200 ~ 250A, and vacuum tightness is less than 20kPa.
When adopting air plasma spraying in step (2), (3), the temperature of superalloy matrix, metal bonding coating controls at 200 ~ 500 DEG C, spray gun and metal bonding interfloor distance are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, and powder feeding rate is 10 ~ 70g/min, and powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, spraying current scope is 200 ~ 250A, Ar gas velocity scope is 40 ~ 120L/min, H
2gas velocity scope is 15 ~ 45L/min.
When adopting high velocity oxygen-fuel spray in step (2), (3), spray gun and superalloy matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio 2-12 of oxygen/combustion gas, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A;
When adopting high-speed compressed air flame plating in step (2), spray gun and metallic matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio of pressurized air/combustion gas is 2-12, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A.
When adopting Supersonic Plasma Spraying in step (3), spray gun and metal bonding interfloor distance are 100 ~ 250mm, and spray gun translational speed is 300 ~ 1500mm/s, powder feeding rate is 10 ~ 120g/min, powder feeding air-flow is 0.5 ~ 3L/min, Ar gas velocity scope is 40 ~ 200L/min, H
2gas velocity scope is 15 ~ 80L/min.
When adopting solution plasma spraying in step (3), spray gun and metal bonding interfloor distance are 50 ~ 350mm, and rate of feed is 0.1 ~ 10L/min, and voltage range is 50 ~ 180V, and spraying current scope is 200 ~ 550A.
When adopting electro beam physics vapour deposition in step (3), the Heating temperature of metal bonding coating is 800-1050 DEG C, main electron beam gun power 15-30kw, the distance 100-400mm of target and matrix, vacuum tightness 1.0-10 × 10
-3pa, sedimentation effect 0.5-1.5um/min.
Further combined with the drawings and specific embodiments, the present invention is described in detail below.
Embodiment 1
A preparation method for thermal barrier coating containing long lifetime anti-oxidant tack coat, adopts following steps:
(1) be first 16 ~ 120 object Al to superalloy matrix 1 with grain diameter
2o
3, sandblasting is carried out to matrix, obtains uniform surfaceness;
(2) on superalloy matrix 1, metal bonding coating 2 is introduced by atmospheric plasma spraying technology, its composition is FeCrAlY, the method carries out heat fused or semi-molten by high-temperature plasma line to ceramic particle, and then the quick matrix surface that is sprayed into forms the coating with laminate structure.Before spraying, preheating is carried out 2 ~ 4 times to matrix.Design parameter is: the composition of coating is FeCrAlY, substrate temperature scope is 200 ~ 500 DEG C, spray gun and matrix distance range are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, and powder feeding rate is 10 ~ 70g/min, and powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, spraying current scope is 200 ~ 250A, Ar gas velocity scope is 40 ~ 120L/min, H
2gas velocity scope is 15 ~ 45L/min;
(3) composition being 0.1 ~ 1mm by air plasma spraying deposit thickness on tack coat is the ceramic layer 3 of 8YSZ.Concrete steps repeat described in (2), and the structure of the thermal barrier coating prepared by aforesaid method as shown in Figure 1.
In prior art, traditional metal bonding coating become NiCoCrAlY, the thermal barrier coating utilizing aforesaid method to prepare carries out thermal cyclic oxidation experiment at 1050 DEG C of high temperature, after the thermal barrier coating thermal cyclic oxidation 400h of tradition NiCoCrAlY tack coat just there is serious coming off in coating, specifically as shown in Figure 4, the area that comes off is more than 30%; And there is the thermal barrier coating of FeCrAlY tack coat without obvious crackle, as shown in Figure 2, in high temperature test until just occur after 1000h obviously coming off, as shown in Figure 3.This illustrates the Al that FeCrAlY layer is formed
2o
3(i.e. TGO) is fine and close, and TGO poor growth, can not form Ni2Al2O4 brittlement phase, interface binding power is good; And the material of traditional NiCoCrAlY is in high-temperature service process, forms compactness and continuity that Ni2Al2O4 brittlement phase destroys zone of oxidation, produce larger stress-strain at interface, crack; NiCoCrAlY material TGO growth in high-temperature service process simultaneously rapidly, produces larger stress-strain, the generation of aggravation crackle and expansion, and then coating failure is peeled off.In thermal barrier coating service process, the oxide compound Al that tack coat generates at high temperature
2o
3(i.e. TGO) and produce stress-strain be the major cause causing coating failure.Therefore, the present invention has the relatively traditional thermal barrier coating of the thermal barrier coating of FeCrAlY tack coat, and its Thermal cycle oxidation life-span is largely increased.
Embodiment 2
A preparation method for thermal barrier coating containing long lifetime anti-oxidant tack coat, adopts following steps:
(1) carried out successively by superalloy matrix deoiling and sandblasting, during sandblasting, blasting pressure is 0.1MPa, and shot blasting particles main component is Al
2o
3, grain diameter is 16 orders;
(2) be the metal bonding coating of FeCrAlY by air plasma spraying prepared composition on metallic matrix, the temperature of metallic matrix controls at 200 DEG C, spray gun and metal bonding interfloor distance are 100mm, spray gun translational speed is 300mm/s, and powder feeding rate is 10g/min, and powder feeding air-flow is 0.5L/min, voltage range is 100V, spraying current scope is 200A, Ar gas velocity scope is 40L/min, H
2gas velocity scope is 15L/min;
(3) by air plasma spraying deposited ceramic layer on metal bonding coating, its technique is identical with step (2), and ceramic layer composition is 6wt%Y
2o
3stable ZrO
2.
Embodiment 3
A preparation method for thermal barrier coating containing long lifetime anti-oxidant tack coat, adopts following steps:
(1) carried out successively by superalloy matrix deoiling and sandblasting, during sandblasting, blasting pressure is 0.7MPa, and shot blasting particles main component is Al
2o
3, grain diameter is 120 orders;
(2) be the metal bonding coating of FeCrAlY by air plasma spraying prepared composition on metallic matrix, the temperature of metallic matrix controls at 500 DEG C, spray gun and metal bonding interfloor distance are 250mm, spray gun translational speed is 1000mm/s, and powder feeding rate is 70g/min, and powder feeding air-flow is 1.2L/min, voltage range is 180V, spraying current scope is 250A, Ar gas velocity scope is 120L/min, H
2gas velocity scope is 45L/min;
(3) by air plasma spraying deposited ceramic layer on metal bonding coating, its technique is identical with step (2), and ceramic layer composition is 8wt%Y
2o
3stable RE
2zr
2o
7.
Embodiment 4
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, metal refining tack coat is by low-voltage plasma spraying deposition techniques, and spray gun and metallic matrix spacing are 250mm, spray gun translational speed is 300mm/s, powder feeding rate is 70g/min, and powder feeding air-flow is 1.1L/min, and voltage range is 180V, spraying current scope is 250A, and vacuum tightness is less than 20KPa.
Embodiment 5
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, what adopt when metal refining tack coat, ceramic layer is high velocity oxygen-fuel spray, when adopting high velocity oxygen-fuel spray, spray gun is 200mm with superalloy matrix, metal bonding interfloor distance respectively, powder feeding rate is 10g/min, combustion gas propane 10L/min, and the volume ratio of oxygen/combustion gas is 2, voltage range is 100V, and spraying current scope is 20A.
Embodiment 6
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, what adopt when metal refining tack coat, ceramic layer is high velocity oxygen-fuel spray, when adopting high velocity oxygen-fuel spray, spray gun is 450mm with superalloy matrix, metal bonding interfloor distance respectively, powder feeding rate is 70g/min, combustion gas propane 100L/min, the volume ratio 12 of oxygen/combustion gas, voltage range is 180V, and spraying current scope is 150A.
Embodiment 7
A kind of preparation method of the thermal barrier coating containing bilayer structure tack coat, its step is roughly the same with embodiment 3, difference is, what adopt when metal refining tack coat, ceramic layer is high-speed compressed air flame plating, and spray gun is 200mm with superalloy matrix, metal bonding interfloor distance respectively, and powder feeding rate is 10g/min, combustion gas propane 10L/min, the volume ratio of pressurized air/combustion gas is 2, and voltage range is 100V, and spraying current scope is 20A.
Embodiment 8
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, adopt Supersonic Plasma Spraying in step (4), spray gun and metal bonding interfloor distance are 100mm, and spray gun translational speed is 300mm/s, powder feeding rate is 10g/min, powder feeding air-flow is 0.5L/min, Ar gas velocity scope is 40L/min, H
2gas velocity scope is 15L/min.
Embodiment 9
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, adopt solution plasma spraying in step (3), spray gun and metal bonding interfloor distance are 100mm, and spray gun translational speed is 300mm/s, powder feeding rate is 10g/min, powder feeding air-flow is 0.5L/min, Ar gas velocity scope is 40L/min, H
2gas velocity scope is 15L/min.
Embodiment 10
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, adopt solution plasma spraying in step (3), spray gun and metal bonding interfloor distance are 250mm, and spray gun translational speed is 1500mm/s, powder feeding rate is 120g/min, powder feeding air-flow is 3L/min, Ar gas velocity scope is 200L/min, H
2gas velocity scope is 80L/min.
Embodiment 11
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, electro beam physics vapour deposition is adopted in step (3), the Heating temperature of the second tack coat is 800 DEG C, main electron beam gun power 15kw, the distance 100mm of target and matrix, vacuum tightness 1.0 × 10
-3pa, sedimentation effect 0.5um/min.
Embodiment 12
A kind of preparation method of the thermal barrier coating containing long lifetime anti-oxidant tack coat, its step is roughly the same with embodiment 3, difference is, electro beam physics vapour deposition is adopted in step (3), the Heating temperature of the second tack coat is 1050 DEG C, main electron beam gun power 30kw, the distance 400mm of target and matrix, vacuum tightness 10 × 10
-3pa, sedimentation effect 1.5um/min.
The present invention by example to technical scheme carry out complete, describe clearly, but the present invention not to be construed as limiting.The various Parameters variation easily expected for one of skill in the art and adjustment all should belong in the protection domain of the claims in the present invention.
Claims (10)
1. a preparation method for the thermal barrier coating containing long lifetime anti-oxidant tack coat, is characterized in that, adopts following steps:
(1) superalloy matrix is carried out successively deoil and sandblasting;
(2) on superalloy matrix, metal bonding coating is prepared by low-voltage plasma spraying, air plasma spraying, high velocity oxygen-fuel spray or high-speed compressed air flame plating;
(3) by air plasma spraying, high velocity oxygen-fuel spray, Supersonic Plasma Spraying, solution plasma spraying or electro beam physics vapour deposition deposited ceramic layer on metal bonding coating.
2. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, described metal bonding composition of layer is FeCrAlY.
3. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, described ceramic layer is 6 ~ 8wt%Y
2o
3stable ZrO
2or RE
2zr
2o
7, wherein, RE is rare earth element.
4. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, is characterized in that, during sandblasting in step (1), blasting pressure is 0.1 ~ 0.7MPa, and shot blasting particles main component is Al
2o
3, grain diameter is 16 ~ 120 orders.
5. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, during step (2) employing low-voltage plasma spraying, spray gun and superalloy matrix spacing are 100 ~ 250mm, and spray gun translational speed is 300 ~ 1000mm/s, and powder feeding rate is 10 ~ 70g/min, powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, and spraying current scope is 200 ~ 250A, and vacuum tightness is less than 20kPa.
6. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, step (2), (3) when adopting air plasma spraying in, superalloy matrix, the temperature of metal bonding coating controls at 200 ~ 500 DEG C, spray gun and metal bonding interfloor distance are 100 ~ 250mm, spray gun translational speed is 300 ~ 1000mm/s, powder feeding rate is 10 ~ 70g/min, powder feeding air-flow is 0.5 ~ 1.2L/min, voltage range is 100 ~ 180V, spraying current scope is 200 ~ 250A, Ar gas velocity scope is 40 ~ 120L/min, H
2gas velocity scope is 15 ~ 45L/min.
7. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, when adopting high velocity oxygen-fuel spray in step (2), (3), spray gun and superalloy matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio 2-12 of oxygen/combustion gas, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A;
When adopting high-speed compressed air flame plating in step (2), spray gun and metallic matrix, metal bonding interfloor distance are 200 ~ 450mm, powder feeding rate is 10 ~ 70g/min, combustion gas propane 10 ~ 100L/min, the volume ratio of pressurized air/combustion gas is 2-12, voltage range is 100 ~ 180V, and spraying current scope is 20 ~ 150A.
8. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, when adopting Supersonic Plasma Spraying in step (3), spray gun and metal bonding interfloor distance are 100 ~ 250mm, spray gun translational speed is 300 ~ 1500mm/s, and powder feeding rate is 10 ~ 120g/min, and powder feeding air-flow is 0.5 ~ 3L/min, Ar gas velocity scope is 40 ~ 200L/min, H
2gas velocity scope is 15 ~ 80L/min.
9. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, when adopting solution plasma spraying in step (3), spray gun and metal bonding interfloor distance are 50 ~ 350mm, rate of feed is 0.1 ~ 10L/min, voltage range is 50 ~ 180V, and spraying current scope is 200 ~ 550A.
10. the preparation method of a kind of thermal barrier coating containing long lifetime anti-oxidant tack coat according to claim 1, it is characterized in that, when adopting electro beam physics vapour deposition in step (3), the Heating temperature of metal bonding coating is 800-1050 DEG C, main electron beam gun power 15-30kw, the distance 100-400mm of target and matrix, vacuum tightness 1.0-10 × 10
-3pa, sedimentation effect 0.5-1.5um/min.
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| CN114481002A (en) * | 2022-01-28 | 2022-05-13 | 上海交通大学包头材料研究院 | Method for preparing anti-oxidation coating by high-speed gas flame spraying |
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| CN105862038A (en) * | 2016-06-21 | 2016-08-17 | 天津大学 | CMAS corrosion-resistant and ultra-high temperature-resistant long-life thermal barrier coating and preparation method thereof |
| CN107034429A (en) * | 2017-03-10 | 2017-08-11 | 广东省新材料研究所 | A kind of preparation method of low heat emission motorcycle engine |
| CN107254652A (en) * | 2017-06-28 | 2017-10-17 | 福州大学 | A kind of multilayer thermal barrier coating and preparation method thereof |
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| CN108342678A (en) * | 2018-03-15 | 2018-07-31 | 北京矿冶科技集团有限公司 | Thermal barrier coating and preparation method thereof with structure gradient |
| CN109023203A (en) * | 2018-08-16 | 2018-12-18 | 暨南大学 | The preparation method of stable crystalline state hexa-aluminate thermal barrier coating |
| CN109182955A (en) * | 2018-11-15 | 2019-01-11 | 广东省新材料研究所 | A kind of absorption coating and preparation method thereof |
| CN109735785A (en) * | 2019-02-25 | 2019-05-10 | 舟山腾宇航天新材料有限公司 | A kind of preparation method of the hydrophobic coating of the wear-resisting satisfactory mechanical property of novel fire resistant |
| CN111926281A (en) * | 2020-09-03 | 2020-11-13 | 昆明理工大学 | Long-life spray gun ceramic coating for pizza smelting and preparation method thereof |
| CN114086101A (en) * | 2021-11-19 | 2022-02-25 | 华能国际电力股份有限公司 | High-temperature oxidation and hot corrosion resistant thermal barrier coating and preparation method thereof |
| CN114215623A (en) * | 2021-12-20 | 2022-03-22 | 重庆三爱海陵实业有限责任公司 | Coated valve for internal combustion engine and method for manufacturing same |
| CN114438432A (en) * | 2022-01-28 | 2022-05-06 | 上海交通大学包头材料研究院 | Preparation method of anti-oxidation bonding layer and thermal barrier coating thereof |
| CN114481002A (en) * | 2022-01-28 | 2022-05-13 | 上海交通大学包头材料研究院 | Method for preparing anti-oxidation coating by high-speed gas flame spraying |
| CN114438436A (en) * | 2022-02-09 | 2022-05-06 | 西安交通大学 | Method for improving bonding strength of metal bonding layer and ceramic layer of thermal barrier coating |
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