CN107034429B - A kind of preparation method of low heat emission motorcycle engine - Google Patents
A kind of preparation method of low heat emission motorcycle engine Download PDFInfo
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Abstract
A kind of preparation method of low heat emission motorcycle engine, its step are as follows: being cleaned by ultrasonic to the piston, cylinder cover, cylinder block of engine, with No. 40 corundum gravels to spraying area blasting treatment after having cleaned；Then NiCoCrAlYTa adhesive layer is sprayed in piston crown surface and cylinder interior surface using Low Temperature High Oxygen-Air Fuel Spray, NiCrAl adhesive layer is sprayed in cylinder external surface using air plasma spraying；After having sprayed adhesive layer, 7YSZ ceramic layer air plasma spraying is carried out to piston crown surface, cylinder interior surface, cylinder external surface.The present invention is compound by ceramic material and metal material, the advantages of gathering two kinds of materials, it avoids the prior art and is conceived to the shortcomings that preparing pure ceramic engine component, to obtain a kind of inexpensive, high heat-insulated, anti-oxidant, corrosion-resistant, the long-life low heat emission motorcycle engine.
Description
Technical field
The present invention relates to motorcycle engine technical field of surface, it is specifically related to a kind of low heat emission motorcycle and starts
The preparation method of machine.
Background technique
Low heat rejection engine is always the hot spot of motorcycle engine industry research, and Low heat rejection is to belong to multidisciplinary neck
The new and high technology in domain, one of difficult point therein are engine technology of preparing and the selection using material.Engine is motorcycle
Heart, the development of motorcycle and the progress of engine are closely bound up.As society is increasingly progressive, motorcycle engine must face
Subtract the challenge of oil to low-carbon emission and energy conservation, therefore low heat rejection engine is the trend of future development.Currently, the development of engine
Mainly towards high power, high revolving speed, low oil consumption, low-emission development, engine efficiency is stepped up and with hair in direction
The increase of motivation thermic load, consequent negative effect are also increasing, and if combustion chamber maximum outbreak pressure is excessive, lead to work
Temperature is more than material ability to bear, generates scorification, creep, heat fatigue and deformation etc..Based on existing development trend, the energy is taken into account
Effective use and engine performance raising, prepare heat insulating coat on the hot-end component surface of motorcycle engine and be expected to solve
This development bottleneck problem.
Since the eighties in last century, the concept of low heat emission motorcycle engine causes extensive concern, it is with excellent
A kind of new engine of the heat-barrier material manufacture hot-end component of matter, when using heat-resist, thermal conductivity is low, the coefficient of expansion is low
Ceramic material, which is coated on when motorcycle hot-end component forms heat insulating coat, can be improved the efficiency of combustion of engine and reduces heat dissipation damage
It loses.Motorcycle engine core component mainly includes piston, cylinder cover, cylinder block.Piston is as engine component of crucial importance
One of, the preparation of heat insulating coat affects engine efficiency, oil consumption, noise, discharge, service life etc., and motorcycle engine is normal
Under working condition, piston crown directly bears the impact of high-temperature fuel gas, and instantaneous temperature can be to 1800 DEG C, but act on piston face
Temperature distribution is non-uniform, since even generated thermal stress uneven in temperature is easy that piston crown surface is made to crack, at present used in piston
Material is aluminium alloy, its mechanical strength and hardness decline are very fast when the temperature is excessively high, when being coated with ceramic insulation in piston crown surface
When coating, since heat insulating coat has good heat-proof quality, it can be good at reducing the service temperature of metallic piston, reduce combustion
The heat losses of acting are burnt, while also can avoid the generation of machine oil sintering phenomenon.Engine cylinder cover is generally cast iron materials,
Service Environment outwardly radiates only by high-temperature fuel gas percussion to reduce cylinder cover within the engine, can be in its contacts fuel gas
Wheat flour is for heat insulating coat.Cylinder block is also cast iron materials, and when work, piston slidably reciprocates in its cylindrical cavity surface high speed and does
Function is not suitable for preparing heat insulating coat, therefore can be in its cylindrical body appearance since cylinder block inner surface needs lower coefficient of friction
Wheat flour plays heat insulation for heat insulating coat.
As heat-proof coating material used in motorcycle engine hot-end component must have lower thermal conductivity, high-fire resistance and
Corrosion resistance etc..In order to realize these functional objectives, by the experiment discovery 7%wt.Y that studies for a long period of time2O3-ZrO2(7YSZ) material is comprehensive
It is best to close performance, it has very excellent physics and chemical stability, and thermal conductivity is low, and (thermal conductivity is 2.3W/ under the conditions of fine and close
Mk (100 DEG C)), good thermal shock.The coefficient of expansion of known 7YSZ is 1.1 × 10-5/ k, the coefficient of expansion of aluminium alloy is 1.8 ×
10-5/ k, the coefficient of expansion of cast iron are 1.6 × 10-5/ k, there are the coefficients of expansion with engine matrix material for heat-proof coating material
Difference, therefore can be used MCrAlX alloy material as transition zone (also referred to as adhesive layer), its constituent element can in MCrAlX alloy material
To be adjusted according to service condition (operating condition, cost etc.), M includes Ni, Co or Ni+Co in alloy constituent element, they are alloy materials
The infrastructure elements of material, the corrosion resistance of Co is better than Ni, but its inoxidizability is not so good as Ni, and the combination of Ni+Co is conducive to coating entirety
The content of anticorrosive, oxidation resistent susceptibility raising, general Co is controlled in 20-26wt.%.Cr is for guaranteeing coating in alloy
Corrosion resistance, its presence can promote Al2O3Generation.Al is the inoxidizability for improving adhesive layer, the content of general Al
Control is in 5-12wt.%, since the presence of Al, Cr can be such that the toughness of coating reduces, in order to guarantee the anti-thermal shock of adhesive layer
Property, the content of Al and Cr should ensure that adhesive layer is anti-oxidant, reduce as much as possible in the case where corrosion resistance.In addition, in order into
One step improves the thermal shock resistance of adhesive layer, and for example micro rare earth element y of active element X, Ta, Hf can be added in constituent element, can
The bond strength of thermally grown layer and matrix is improved, in addition other alloy elements such as Si, Zr etc. can be also also added in constituent element.
In existing low heat emission motorcycle heat insulating coat, there are Railway Projects: first is that, existing low heat rejection engine emphasis is had in mind
In the preparation of pure ceramic component, pure ceramic component there are thermal shock performances it is poor, at high cost the disadvantages of, it is more difficult to meet mass production；
Second is that part low heat rejection engine is when preparing heat insulating coat, by technology limit only to piston in engine carry out every
Hot coating coating is not carried out while being coated to cylinder cover, cylinder block, therefore engine heat insulation is limited；Third is that existing skill
When art is thermally shielded coating coating to piston, coating material selection is unreasonable, and preparation method is inappropriate as preparation MCrAlX is closed
When golden material is as transition zone, alloy coat oxidation is more serious, and ceramic layer during being on active service is caused to be easy to peel off.
Summary of the invention
It is an object of the invention to there are problem and shortage, provided for above-mentioned it is a kind of it is at low cost, it is high it is heat-insulated, anti-oxidant,
The preparation method of corrosion-resistant, the long-life low heat emission motorcycle engine.
The technical scheme of the present invention is realized as follows:
The preparation method of low heat emission motorcycle engine of the present invention, its main feature is that the following steps are included:
1) adhesive layer spray is carried out to the piston crown surface of motorcycle engine, cylinder interior surface and cylinder external surface
It applies: where
Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa adhesive layer is used in piston crown surface and cylinder interior surface, it is thick
Degree control is at 50~100 μm, spray parameters are as follows: aviation kerosine 700~900L/min of flow, 600~850L/min of oxygen flow,
25~40g/min of powder sending quantity, 140~160mm of spray distance；
Air plasma spraying NiCrAl adhesive layer is used in cylinder external surface, thickness control is sprayed at 50~100 μm
Automatic doubler surface glouer is Laval mouth plasma gun, spray parameters are as follows: 500~550A of electric current, 40~55SLPM of argon flow, hydrogen stream
Measure 3~6SLPM, 20~35g/min of powder sending quantity；
2) after having sprayed adhesive layer, using air plasma spraying to piston crown surface, cylinder interior surface and cylinder block
Outer surface carries out the spraying of 7YSZ ceramic layer, spray parameters are as follows: 600~680A of electric current, 40~55SLPM of argon flow, hydrogen stream
Measure 7~12SLPM, 15~30g/min of powder sending quantity；Wherein,
The 7YSZ ceramic layer thickness of piston crown surface spraying is controlled at 80~120 μm, and spraying equipment is straight mouth plasma
Spray gun；
The 7YSZ ceramic layer thickness of cylinder interior surface spraying is controlled at 150~200 μm, the spraying of cylinder external surface
7YSZ ceramic layer thickness is controlled at 250~300 μm, and spraying equipment is Laval mouth plasma gun.
In order to further increase the bond strength of coating, above-mentioned steps 1 are being carried out) before, first by motorcycle engine
Piston, cylinder cover, cylinder block are successively cleaned by ultrasonic with gasoline and alcohol, are then pasted to non-spraying region with high temperature adhesive plaster
Protection, then with No. 40 corundum gravels to spraying area blasting treatment under 0.3MPa air pressure, and cleaned with dry pressure-air
Except remaining gravel.Wherein, spraying area refers to piston crown surface, cylinder interior surface and cylinder external surface.
Compared with prior art, the present invention having the advantage that
The present invention is compound with metal material by ceramic material, the advantages of gathering two kinds of materials, avoids the prior art
Eye in prepare pure ceramic engine component the shortcomings that, i.e., the present invention be the surface of engine thermal end pieces be prepared with it is not only heat-insulated but also
Durable heat insulating coat, the heat insulating coat include ceramic layer and adhesive layer, wherein ceramic layer be low-heat lead, materials with high melting point, it is main
Resistant to high temperatures, corrosion-resistant and fire-resistant gas is used to wash away；Adhesive layer is resistance to high temperature oxidation metal alloy compositions, is mainly used for high temperature
Anti-oxidation protection matrix, and the thermal mismatching between ceramic layer and matrix is reduced as transition zone.In motorcycle engine
The requirement of piston, cylinder cover, cylinder block to heat insulating coat performance is not quite similar.Piston is the most severe as Service Environment in engine
The hot-end component at quarter, it be faced with high-temperature fuel gas impact, high-speed circulating movement and top surface uneven heating brought by stress,
Therefore bonding layer material avoids alloy material using the NiCoCrAlYTa alloy of Low Temperature High Oxygen-Air Fuel Spray in heat insulating coat
The oxidation of material, in addition, due to, doped with Y, Ta rare earth element, there is good high temperature oxidation resistance in the material.In addition, living
Plug uses straight mouth plasma gun during preparing ceramic layer, although ceramic layer porosity is compared with painting prepared by Laval nozzle
Layer is low, and heat-proof quality is relatively low, but the ceramic layer cohesive force of straight mouth spraying is high, bond strength is high, this choice of technology is suitble to piston clothes
Use as a servant operating condition.Cylinder cover is selected as Low Temperature High Oxygen-Air Fuel Spray as the directly impact of contact high-temperature fuel gas, bonding layer material
NiCoCrAlYTa alloy, it is of less demanding to the bond strength of ceramic layer since the component is non-moving parts, therefore preparing
Laval mouth plasma gun is used to prepare porous ceramics coating to improve the adiabatic temperature of coating as far as possible during ceramic layer.
For the inner surface of cylinder block due to the requirement of low-friction coefficient, discomfort is fit to do heat insulating coat, therefore prepares heat-insulated painting in its outer surface
Layer is to improve its heat-proof quality, and since cylinder block heat insulating coat Service Environment is not harsh, this wants the bond strength of heat insulating coat
Ask lower, therefore in order to reduce cost, adhesive layer selects the atmospheric plasma spray gun spraying NiCrAl coating of Laval nozzle, pottery
Enamel coating uses the atmospheric plasma spray gun spraying 7YSZ coating of Laval nozzle, after having sprayed cylinder block, by the side for inlaying casting
Formula is assembled integrally with engine.
Specific embodiment
Embodiment 1:
First the piston of motorcycle engine, cylinder cover, cylinder block are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area sandblasting under 0.3MPa air pressure
Processing, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are carried out
Adhesive layer spraying, wherein being using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Adhesive layer, thickness control is at 50 μm, spray parameters are as follows: aviation kerosine flow 700L/min, oxygen flow 600L/min, powder sending quantity
25g/min, spray distance 140mm；It is using air plasma spraying NiCrAl adhesive layer, thickness in cylindrical cylinder external surface
Degree control is using Laval mouth plasma gun, spray parameters at 50 μm, and when spraying are as follows: electric current 500A, argon flow
40SLPM, hydrogen flowing quantity 3SLPM, powder sending quantity 20g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, spray parameters are as follows: electric current 600A, argon gas stream
40SLPM, hydrogen flowing quantity 7SLPM, powder sending quantity 15g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 80 μm, and
It is using straight mouth plasma gun when spraying；The ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
150 μm and 250 μm, and be using Laval mouth plasma gun when spraying.
Embodiment 2:
First the piston of motorcycle engine, cylinder cover, cylinder block are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area sandblasting under 0.3MPa air pressure
Processing, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are carried out
Adhesive layer spraying, wherein being using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Adhesive layer, thickness control is at 100 μm, spray parameters are as follows: aviation kerosine flow 900L/min, oxygen flow 850L/min, powder feeding
Measure 40g/min, spray distance 160mm；It is to use air plasma spraying NiCrAl adhesive layer in cylindrical cylinder external surface,
Thickness control is using Laval mouth plasma gun, spray parameters at 100 μm, and when spraying are as follows: electric current 550A, argon flow
55SLPM, hydrogen flowing quantity 6SLPM, powder sending quantity 35g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, spray parameters are as follows: electric current 680A, argon gas stream
55SLPM, hydrogen flowing quantity 12SLPM, powder sending quantity 30g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 120 μm,
And spray when be using straight mouth plasma gun；The ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
200 μm and 300 μm, and be using Laval mouth plasma gun when spraying.
Embodiment 3:
First the piston of motorcycle engine, cylinder cover, cylinder block are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area under 0.3MPa air pressure at sandblasting
Reason, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are glued
Layer spraying is tied, wherein being viscous using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Layer is tied, thickness control is at 60 μm, spray parameters are as follows: aviation kerosine flow 800L/min, oxygen flow 650L/min, powder sending quantity
30g/min, spray distance 150mm；It is using air plasma spraying NiCrAl adhesive layer, thickness in cylindrical cylinder external surface
Degree control is using Laval mouth plasma gun, spray parameters at 60 μm, and when spraying are as follows: electric current 525A, argon flow
45SLPM, hydrogen flowing quantity 4SLPM, powder sending quantity 25g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, spray parameters are as follows: electric current 650A, argon gas stream
45SLPM, hydrogen flowing quantity 10SLPM, powder sending quantity 20g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 90 μm, and
It is using straight mouth plasma gun when spraying, the ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
160 μm and 260 μm, and be using Laval mouth plasma gun when spraying.
Embodiment 4:
First piston, cylinder cover, cylinder block in motorcycle engine are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area under 0.3MPa air pressure at sandblasting
Reason, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are glued
Layer spraying is tied, wherein being viscous using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Layer is tied, thickness control is at 70 μm, spray parameters are as follows: aviation kerosine flow 900L/min, oxygen flow 600L/min, powder sending quantity
25g/min, spray distance 150mm；It is using air plasma spraying NiCrAl adhesive layer, thickness in cylindrical cylinder external surface
Degree control is using Laval mouth plasma gun, spray parameters at 70 μm, and when spraying are as follows: electric current 500A, argon flow
55SLPM, hydrogen flowing quantity 6SLPM, powder sending quantity 20g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, spray parameters are as follows: electric current 680A, argon gas stream
45SLPM, hydrogen flowing quantity 12SLPM, powder sending quantity 30g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 100 μm,
And when spraying be using straight mouth plasma gun, the ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
170 μm and 270 μm, when spraying is using Laval mouth plasma gun.
Embodiment 5:
First piston, cylinder cover, cylinder block in motorcycle engine are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area under 0.3MPa air pressure at sandblasting
Reason, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are glued
Layer spraying is tied, wherein being viscous using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Layer is tied, thickness control is at 80 μm, spray parameters are as follows: aviation kerosine flow 700L/min, oxygen flow 850L/min, powder sending quantity
40g/min, spray distance 155mm；It is using air plasma spraying NiCrAl adhesive layer, thickness in cylindrical cylinder external surface
Degree control is using Laval mouth plasma gun, spray parameters at 80 μm, and when spraying are as follows: electric current 550A, argon flow
50SLPM, hydrogen flowing quantity 5SLPM, powder sending quantity 30g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, spray parameters are as follows: electric current 650A, argon gas stream
50SLPM, hydrogen flowing quantity 10SLPM, powder sending quantity 25g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 100 μm,
And when spraying be using straight mouth plasma gun, the ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
180 μm and 280 μm, and be using Laval mouth plasma gun when spraying.
Embodiment 6:
First piston, cylinder cover, cylinder block in motorcycle engine are successively cleaned by ultrasonic with gasoline and alcohol, cleaned
Protection is pasted with high temperature adhesive plaster to non-spraying region after complete, with No. 40 corundum gravels to spraying area under 0.3MPa air pressure at sandblasting
Reason, and remaining gravel is blown down with pressure-air；Then piston crown surface, cylinder interior surface, cylinder external surface are glued
Layer spraying is tied, wherein being viscous using Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa in piston crown surface and cylinder interior surface
Layer is tied, thickness control is at 90 μm, spray parameters are as follows: aviation kerosine flow 780L/min, oxygen flow 800L/min, powder sending quantity
35g/min, spray distance 150mm；It is using air plasma spraying NiCrAl adhesive layer, thickness in cylindrical cylinder external surface
Degree control is using Laval mouth plasma gun, spray parameters at 90 μm, and when spraying are as follows: electric current 550A, argon flow
45SLPM, hydrogen flowing quantity 5SLPM, powder sending quantity 30g/min；After having sprayed adhesive layer, using air plasma spraying to piston top
Surface, cylinder interior surface, cylinder external surface carry out the spraying of 7YSZ ceramic layer, and spray parameters are electric current 680A, argon gas stream
45SLPM, hydrogen flowing quantity 10SLPM, powder sending quantity 25g/min are measured, wherein the ceramic layer thickness of piston crown surface is controlled at 100 μm,
And when spraying be using straight mouth plasma gun, the ceramic layer thickness of cylinder interior surface and cylinder external surface controls respectively
190 μm and 290 μm, and be using Laval mouth plasma gun when spraying.
The present invention is to be described by embodiment, but do not limit the invention, referring to description of the invention, institute
Other variations of disclosed embodiment, are such as readily apparent that the professional person of this field, such variation should belong to
Within the scope of the claims in the present invention limit.
Claims (2)
1. a kind of preparation method of low heat emission motorcycle engine, it is characterised in that the following steps are included:
1) adhesive layer spraying is carried out to the piston crown surface of motorcycle engine, cylinder interior surface and cylinder external surface: its
In,
Low Temperature High Oxygen-Air Fuel Spray NiCoCrAlYTa adhesive layer, thickness control are used in piston crown surface and cylinder interior surface
System is at 50~100 μm, spray parameters are as follows: aviation kerosine 700~900L/min of flow, 600~850L/min of oxygen flow, powder feeding
Measure 25~40g/min, 140~160mm of spray distance；
Air plasma spraying NiCrAl adhesive layer is used in cylinder external surface, thickness control is at 50~100 μm, and spraying is set
Standby is Laval mouth plasma gun, spray parameters are as follows: 500~550A of electric current, 40~55SLPM of argon flow, hydrogen flowing quantity 3
~6SLPM, 20~35g/min of powder sending quantity；
2) after having sprayed adhesive layer, using air plasma spraying to piston crown surface, cylinder interior surface and cylinder block appearance
Face carries out the spraying of 7YSZ ceramic layer, spray parameters are as follows: 600~680A of electric current, 40~55SLPM of argon flow, hydrogen flowing quantity 7~
12SLPM, 15~30g/min of powder sending quantity；Wherein,
The 7YSZ ceramic layer thickness of piston crown surface spraying is controlled at 80~120 μm, and spraying equipment is straight mouth plasma gun；
At 150~200 μm, the 7YSZ of cylinder external surface spraying makes pottery for the 7YSZ ceramic layer thickness control of cylinder interior surface spraying
Porcelain thickness is controlled at 250~300 μm, and spraying equipment is Laval mouth plasma gun.
2. the preparation method of low heat emission motorcycle engine according to claim 1, it is characterised in that: carrying out above-mentioned step
It is rapid 1) before, first the piston of motorcycle engine, cylinder cover, cylinder block are successively cleaned by ultrasonic with gasoline and alcohol, so
Protection is pasted with high temperature adhesive plaster to non-spraying region afterwards, then with No. 40 corundum gravels to spraying area sandblasting under 0.3MPa air pressure
Processing, and the remaining gravel of removal is cleaned with dry pressure-air.
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| DE102017220522A1 (en) * | 2017-11-17 | 2019-05-23 | Bayerische Motoren Werke Aktiengesellschaft | Process for coating components |
| EP4264033A1 (en) * | 2020-12-17 | 2023-10-25 | Cummins Inc. | Combustion cylinder end face components including thermal barrier coatings |
| CN114411081A (en) * | 2021-11-19 | 2022-04-29 | 中国航发北京航空材料研究院 | Yttrium-hafnium-doped aluminum-cobalt-chromium-iron-nickel-silicon high-entropy thermal barrier bonding layer |
| CN117644478B (en) * | 2024-01-30 | 2024-05-17 | 西安格美金属材料有限公司 | Performance improvement method for aircraft multi-stage supercharged jet engine |
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| US5455119A (en) * | 1993-11-08 | 1995-10-03 | Praxair S.T. Technology, Inc. | Coating composition having good corrosion and oxidation resistance |
| CN102925844A (en) * | 2012-11-05 | 2013-02-13 | 天津大学 | Method for improving thermal efficiency of combustion engine |
| CN103668191B (en) * | 2013-12-09 | 2016-01-20 | 广州有色金属研究院 | A kind of preparation method of thermal barrier coating |
| CN104496470B (en) * | 2014-12-16 | 2017-01-18 | 广东省工业技术研究院(广州有色金属研究院) | Preparation method of high-elasticity nano zirconia-base ceramic |
| CN104630686A (en) * | 2015-03-09 | 2015-05-20 | 河南普莱姆涂层科技有限公司 | Preparation method of thermal barrier coating containing long-service-life antioxidant bonding layer |
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Address after: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee after: Institute of new materials, Guangdong Academy of Sciences Address before: 510651 Changxin Road, Guangzhou, Guangdong, No. 363, No. Patentee before: GUANGDONG INSTITUTE OF NEW MATERIALS |