CN107740092A - A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating - Google Patents
A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating Download PDFInfo
- Publication number
- CN107740092A CN107740092A CN201710898439.4A CN201710898439A CN107740092A CN 107740092 A CN107740092 A CN 107740092A CN 201710898439 A CN201710898439 A CN 201710898439A CN 107740092 A CN107740092 A CN 107740092A
- Authority
- CN
- China
- Prior art keywords
- titanium
- fire
- preventing coating
- powder
- nickel plating
- 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
- C23C24/00—Coating starting from inorganic powder
- C23C24/02—Coating starting from inorganic powder by application of pressure only
- C23C24/04—Impact or kinetic deposition of particles
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
- Coating By Spraying Or Casting (AREA)
Abstract
The method of titanium-fire-preventing coating is prepared the invention discloses a kind of titanium-fire-preventing coating material and with it, using Ni powder and the mixed-powder of nickel plating cBN particles, Ni powder is the spherical gas-atomised powders that granularity is 20 μm~40 μm, a diameter of 10 μm~20 μm of nickel plating cBN particles, Ni parts and nickel plating cBN mass ratio are 1:1~4；The mixed-powder of Ni powder and nickel plating cBN particles is sprayed into titanium alloy surface by supersonic cold gas spray technique and forms titanium-fire-preventing coating.Solve blade tip abrasion, friction heat accumulation and the burning problems of compressor in the prior art.The titanium-fire-preventing coating wearability of the present invention is high, has good scraping performance, can effectively reduce the frictional force of blade tip and casing inwall, avoids rub heat accumulation and blade tip abrasion, scaling loss.
Description
Technical field
The invention belongs to aero-engine titanium-fire-preventing coating technical field, more particularly to a kind of titanium-fire-preventing coating material and use
It prepares the method for titanium-fire-preventing coating.
Background technology
As engine improves the requirement of performance, loss of weight, titanium alloy is being sent out because having excellent performance and lighter weight
It is used widely in motivation part.But because titanium alloy easily causes titanium fire event under high-speed friction, high temperature, oxygen-enriched environment
Hinder and burn, and can spread rapidly, cause engine components seriously to damage.The measure of titanium fire preventing mainly has three at present
Kind, the first is to improve engine structure, and increase blade and casing gap, second is to use Burn-Resistant Titanium Alloy, and the third is
Coat fire-retardant titanium-fire-preventing coating.
Fire-retardant titanium-fire-preventing coating is to use spraying coating process, and in titanium alloy component surface, one layer of coating is difficult to the material to burn
Material, so as to which anti-rotation stop, stator titanium alloy component directly touch mill, mill thermal accumlation and conduction are touched in reduction, are reached and are delayed and prevent combustion
The effect of burning.
In actual use, blade tip is the main portions that rub, compressor in high-speed rotation,
The working conditions such as gap deviation, excess revolutions easily cause blade tip and casing inwall that strong friction occurs, and cause rub heat accumulation and leaf
The problems such as point abrasion, scaling loss, the significant trouble such as grade blade after blade integral combustion, damage can be even caused under extreme case.
But because blade tip is complex-shaped, size is smaller, face area very little, faced during prepares coating big
Technical barrier is measured, the method for conventional prepares coating, such as local induction brazing, plasma spraying, because heat input is big, is easily made
Deformed into blade tip, and anchoring strength of coating is difficult to ensure that.
And blisk of engine is complicated, cost is high, in the case of currently without effective reparation means, a leaf
Piece damage this may result in whole leaf dish and scrap.
Therefore, blade tip and casing inwall frictional force can be reduced by one kind how being prepared at blade tip position, avoid frictional heat from accumulating
Involve blade tip abrasion, the coating of scaling loss, be our technical issues that need to address.
The content of the invention
The method of titanium-fire-preventing coating is prepared it is an object of the invention to provide a kind of titanium-fire-preventing coating material and with it, is solved
Blade tip abrasion, friction heat accumulation and the burning problems of compressor in the prior art.The titanium-fire-preventing coating wearability of the present invention is high,
With good scraping performance, the frictional force of blade tip and casing inwall can be effectively reduced, avoid rubbing heat accumulation and blade tip abrasion,
Scaling loss.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that：
The invention provides a kind of titanium-fire-preventing coating material, including Ni powder and nickel plating cBN (cubic boron nitride) particle, Ni powder
It is that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, Ni parts and nickel plating
The mass ratio of cBN particles is 1:1~4.
Preferably, the mass ratio of Ni parts and nickel plating cBN particles is 3:7.
Present invention also offers a kind of method for preparing titanium-fire-preventing coating, using Ni powder and the mixed powder of nickel plating cBN particles
End, Ni powder are that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, Ni parts
Mass ratio with nickel plating cBN is 1:1~4；The mixed-powder of Ni powder and nickel plating cBN particles is sprayed by supersonic cold gas spray technique
Be applied to titanium alloy surface and form titanium-fire-preventing coating, spray gas is used as using helium, the pressure of spray gas be 550KPa~
650KPa, the temperature of spray gas is 280 DEG C~320 DEG C, and powder feeding rate is 15g/min~25g/min, spray distance 12mm
~18mm, the thickness of titanium-fire-preventing coating is 0.15mm~0.20mm.
Preferably, before being sprayed to titanium alloy surface, decontamination processing is carried out in titanium alloy surface, in decontamination processing
Afterwards, then the preparation of titanium-fire-preventing coating is carried out.
It is further preferred that clean titanium alloy surface with acetone.
Preferably, before being sprayed to titanium alloy surface, covered to position need to be sprayed with exterior domain, complete anti-titanium
After the preparation of fiery coating, veil is removed.
It is further preferred that covered with rubber to position need to be sprayed with exterior domain.
Preferably, titanium-fire-preventing coating is prepared using the KM-CDS cold spray apparatus with Laval spray gun.
Preferably, the titanium alloy surface of required spraying is blisk.
It is further preferred that before being sprayed to the blade tip position of blisk, blade tip edge is installed and compensated
Fixture, compensation fixture outer surface is parallel with blade tip outer surface, and compensation fixture outer surface is less than blade tip outer surface.
Compared with prior art, the present invention has technique effect beneficial below：
A kind of titanium-fire-preventing coating material provided by the invention, match somebody with somebody the when Ni powder of size distribution and nickel plating using with special
The mixed-powder of cBN particles, the anchoring strength of coating being prepared with above-mentioned material are more than 30MPa, and coating abrasion performance is good, apply
Layer surface roughness is not less than Ra5.0 μm.And coating does not need following process, the original roughened state of holding, improves coating
Scraping performance.
A kind of method for preparing titanium-fire-preventing coating provided by the invention, using with the special Ni powder with when size distribution
With the mixed-powder and supersonic cold gas spray system of nickel plating cBN particles, success is coated with cBN at titanium alloy blisk position
Content about 30%, bond strength are more than 30Mpa, Coating Surface Roughness not less than Ra5.0 μm, wearability well and with good
The hard titanium-fire-preventing coating of scraping performance.Because cold spray process heat input is low, in coating deposition process, particle is in solid form
Titanium-fire-preventing coating is plastically deformed by caused after high velocity impact, therefore larger heat input can be avoided, so as to reduce
Workpiece deforms.Solve titanium alloy blisk especially blade tip position titanium-fire-preventing coating and be difficult to the technical barrier prepared, effectively
The frictional force for reducing blade tip and casing inwall, avoid friction heat accumulation and blade tip abrasion, scaling loss the problems such as, can prevent
High-pressure compressor titanium fire accident, improves engine functional reliability.
Brief description of the drawings
Fig. 1 is the microstructure figure of titanium-fire-preventing coating provided by the present invention.
Embodiment
The present invention is described in further detail below：
The invention provides a kind of titanium-fire-preventing coating material, including Ni powder and nickel plating cBN particles, Ni powder is that granularity is 20 μm
~40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, the quality of Ni parts and nickel plating cBN particles
Than for 1:1~4.
Present invention also offers a kind of preparation method of titanium-fire-preventing coating, using Ni powder and the mixed powder of nickel plating cBN particles
End, Ni powder are that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, according to
Need, Ni parts and nickel plating cBN mass ratio can be 1:It is adjusted between 1~4；By Ni powder and the mixed powder of nickel plating cBN particles
End is sprayed into titanium alloy surface by supersonic cold gas spray technique and forms titanium-fire-preventing coating, using helium as spray gas, spray
The pressure for applying gas be 550KPa~650KPa, and the temperature of spray gas is 280 DEG C~320 DEG C, powder feeding rate for 15g/min~
25g/min, spray distance are 12mm~18mm, and the thickness of titanium-fire-preventing coating is 0.15mm~0.20mm.It is made referring to Fig. 1
The microstructure figure of standby titanium-fire-preventing coating.
In the preparation method of the titanium-fire-preventing coating of the present invention, before being sprayed to titanium alloy surface, in titanium alloy surface
Decontamination processing is carried out, after decontamination processing, then carries out the preparation of titanium-fire-preventing coating.
In the preparation method of the titanium-fire-preventing coating of the present invention, before being sprayed to titanium alloy surface, to position need to be sprayed
Covered with exterior domain, after the preparation for completing titanium-fire-preventing coating, remove veil.
Embodiment 1
Present invention is particularly suitable for the spraying of titanium alloy blisk titanium-fire-preventing coating.Preparing the process of titanium-fire-preventing coating
In, dip acetone with cotton first and wipe blisk, blisk includes the blade tip position of blade, it is ensured that outer without greasy dirt etc.
To pollute.And to exterior domain carrying out masking protection using rubber except blisk.Furthermore preparing titanium-fire-preventing coating
Before, by installing compensation fixture to blade tip edge, compensation fixture outer surface is parallel with blade tip outer surface, compensates fixture appearance
Face is less than blade tip outer surface, so as to good to progress at blade tip edge chamfer spraying in spraying process, to blade tip
Trapezoidal slope side of the edge caused by impact is eliminated.
Use KM-CDS cold spray apparatus to carry out spraying titanium-fire-preventing coating to blisk with suitable spray parameters, pass through
The Laval spray gun of the KM-CDS cold spray apparatus of multi-spindle machining hand clamping, using Ni powder and the mixed powder of nickel plating cBN particles
End be used as spray powders, wherein, Ni powder is granularity for 20 μm~40 μm of spherical gas-atomised powders, nickel plating cBN particles it is straight
Footpath is 10 μm~20 μm, and the mass ratio of Ni parts and nickel plating cBN particles is 3:7, continuous spray is until the titanium fire preventing of blisk applies
The thickness of layer is 0.18mm, and coating coverage is up to 100%, and blade tip edge is without tilting, lamination.Remove Protection glue band, compensation
Fixture and excessively spray-on coating, complete the preparation of coating.
In above-mentioned coating preparation process, function is sharpened certainly using cold spraying, it is not necessary to which workpiece is carried out at blast roughening
Reason.The spray parameters of use are as follows：The pressure of spray gas is 600KPa, and the temperature of spray gas is 300 DEG C, and powder feeding rate is
20g/min, spray distance 15mm.
The volume content about 32% of cBN phases inside titanium-fire-preventing coating after above-mentioned preparation, anchoring strength of coating is more than
30MPa, coating abrasion performance is good, and Coating Surface Roughness is not less than Ra5.0 μm.And coating does not need following process, holding
Original roughened state, improve the scraping performance of coating.
Embodiment 2
Present invention is particularly suitable for the spraying of titanium alloy blisk titanium-fire-preventing coating.Preparing the process of titanium-fire-preventing coating
In, dip acetone with cotton first and wipe blisk, blisk includes the blade tip position of blade, it is ensured that outer without greasy dirt etc.
To pollute.And to exterior domain carrying out masking protection using sprayed protection adhesive tape except blisk.Furthermore applied preparing titanium fire preventing
Before layer, by installing compensation fixture to blade tip edge, compensation fixture outer surface is parallel with blade tip outer surface, compensates outside fixture
Surface is less than blade tip outer surface, so as to good to progress at blade tip edge chamfer spraying in spraying process, to blade and blade
Trapezoidal slope side of the cusp edge caused by impact is eliminated.
Use KM-CDS cold spray apparatus to carry out spraying titanium-fire-preventing coating to blisk with suitable spray parameters, pass through
The Laval spray gun of the KM-CDS cold spray apparatus clamped by hand, using the mixed-powder conduct of Ni powder and nickel plating cBN particles
Spray powders, wherein, Ni powder is that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μ of nickel plating cBN particles
The mass ratio of m~20 μm, Ni parts and nickel plating cBN particles is 1:1, continuous spray is until the thickness of the titanium-fire-preventing coating of blisk
For 0.15mm, coating coverage is up to 100%, and blade tip edge is without tilting, lamination.Remove Protection glue band, compensation fixture and
Spray-on coating is crossed, completes the preparation of coating.
In above-mentioned coating preparation process, function is sharpened certainly using cold spraying, it is not necessary to which workpiece is carried out at blast roughening
Reason.The spray parameters of use are as follows：The pressure of spray gas is 550KPa, and the temperature of spray gas is 280 DEG C, and powder feeding rate is
15g/min, spray distance 12mm.
The volume content about 30% of cBN phases inside titanium-fire-preventing coating after above-mentioned preparation, anchoring strength of coating is more than
30MPa, coating abrasion performance is good, and Coating Surface Roughness is not less than Ra5.0 μm.And coating does not need following process, holding
Original roughened state, improve the scraping performance of coating.
Embodiment 3
Present invention is particularly suitable for the spraying of titanium alloy blisk titanium-fire-preventing coating.Preparing the process of titanium-fire-preventing coating
In, dip acetone with cotton first and wipe blisk, blisk includes the blade tip position of blade, it is ensured that outer without greasy dirt etc.
To pollute.And to well being covered using suitable frock with exterior domain except blisk.Furthermore before titanium-fire-preventing coating is prepared,
By installing compensation fixture to blade tip edge, compensation fixture outer surface is parallel with blade tip outer surface, compensation fixture outer surface
Less than blade tip outer surface, so as to good to progress at blade tip edge chamfer spraying in spraying process, to blade tip side
Cause is eliminated in the trapezoidal slope side caused by impact.
Use KM-CDS cold spray apparatus to carry out spraying titanium-fire-preventing coating to blisk with suitable spray parameters, pass through
Multi-spindle machining hand clamps the Laval spray gun of KM-CDS cold spray apparatus, using Ni powder and the mixed-powder of nickel plating cBN particles
As spray powders, wherein, Ni powder is that granularity is 20 μm~40 μm of spherical gas-atomised powders, the diameter of nickel plating cBN particles
For 10 μm~20 μm, the mass ratio of Ni parts and nickel plating cBN particles is 1:4, continuous spray is until the titanium-fire-preventing coating of blisk
Thickness be 0.20mm, coating coverage up to 100%, blade tip edge without tilt, lamination.Remove Protection glue band, compensation curb
Have and cross spray-on coating, complete the preparation of coating.
In above-mentioned coating preparation process, function is sharpened certainly using cold spraying, it is not necessary to which workpiece is carried out at blast roughening
Reason.The spray parameters of use are as follows：The pressure of spray gas is 650KPa, and the temperature of spray gas is 320 DEG C, and powder feeding rate is
25g/min, spray distance 18mm.
The volume content about 32% of cBN phases inside titanium-fire-preventing coating after above-mentioned preparation, anchoring strength of coating is more than
30MPa, coating abrasion performance is good, and Coating Surface Roughness is not less than Ra5.0 μm.And coating does not need following process, holding
Original roughened state, improve the scraping performance of coating.
Embodiment 4
Present invention is particularly suitable for the spraying of titanium alloy blisk titanium-fire-preventing coating.Preparing the process of titanium-fire-preventing coating
In, dip acetone with cotton first and wipe blisk, blisk includes the blade tip position of blade, it is ensured that outer without greasy dirt etc.
To pollute.And to exterior domain carrying out masking protection using rubber except blisk.Furthermore preparing titanium-fire-preventing coating
Before, by installing compensation fixture to blade tip edge, compensation fixture outer surface is parallel with blade tip outer surface, compensates fixture appearance
Face is less than blade tip outer surface, so as to good to progress at blade tip edge chamfer spraying in spraying process, to blade tip
Trapezoidal slope side of the edge caused by impact is eliminated.
Use KM-CDS cold spray apparatus to carry out spraying titanium-fire-preventing coating to blisk with suitable spray parameters, pass through
The Laval spray gun of clamping KM-CDS cold spray apparatus by hand, using the mixed-powder of Ni powder and nickel plating cBN particles as spray
Painting powder, wherein, Ni powder is that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μm of nickel plating cBN particles
~20 μm, the mass ratio of Ni parts and nickel plating cBN particles is 1:2, continuous spray is until the thickness of the titanium-fire-preventing coating of blisk
For 0.17mm, coating coverage is up to 100%, and blade tip edge is without tilting, lamination.Remove Protection glue band, compensation fixture and
Spray-on coating is crossed, completes the preparation of coating.
In above-mentioned coating preparation process, function is sharpened certainly using cold spraying, it is not necessary to which workpiece is carried out at blast roughening
Reason.The spray parameters of use are as follows：The pressure of spray gas is 610KPa, and the temperature of spray gas is 295 DEG C, and powder feeding rate is
19g/min, spray distance 16mm.
The volume content about 30% of cBN phases inside titanium-fire-preventing coating after above-mentioned preparation, anchoring strength of coating is more than
30MPa, coating abrasion performance is good, and Coating Surface Roughness is not less than Ra5.0 μm.And coating does not need following process, holding
Original roughened state, improve the scraping performance of coating.
A kind of titanium-fire-preventing coating material provided by the invention and the method with its preparation titanium-fire-preventing coating, using with special
The mixed-powder and supersonic cold gas spray system of Ni powder and nickel plating cBN particles with when size distribution, success is in titanium alloy
Blisk position is coated with cBN contents about 30%, bond strength is more than 30Mpa titanium-fire-preventing coating.Due to cold spray process
Heat input is low, and in coating deposition process, particle is plastically deformed titanium fire preventing by caused after high velocity impact in solid form
Coating, therefore larger heat input can be avoided, so as to reduce workpiece deformation.Solves titanium alloy blisk especially blade tip
Position titanium-fire-preventing coating is difficult to the technical barrier prepared, effectively reduces the frictional force of blade tip and casing inwall, avoids and rub
The problems such as chafing accumulation and blade tip abrasion, scaling loss.
Claims (10)
- A kind of 1. titanium-fire-preventing coating material, it is characterised in that including Ni powder and nickel plating cBN particles, Ni powder be granularity for 20 μm~ 40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, the mass ratio of Ni parts and nickel plating cBN particles For 1:1~4.
- 2. titanium-fire-preventing coating material according to claim 1, it is characterised in that the mass ratio of Ni parts and nickel plating cBN particles For 3:7.
- A kind of 3. method for preparing titanium-fire-preventing coating, it is characterised in that using Ni powder and the mixed-powder of nickel plating cBN particles, Ni Powder is that granularity is 20 μm~40 μm of spherical gas-atomised powders, a diameter of 10 μm~20 μm of nickel plating cBN particles, Ni parts and nickel plating CBN mass ratio is 1:1~4；The mixed-powder of Ni powder and nickel plating cBN particles is sprayed into titanium by supersonic cold gas spray technique Alloy surface forms titanium-fire-preventing coating, and using helium as spray gas, the pressure of spray gas is 550KPa~650KPa, spray The temperature for applying gas is 280 DEG C~320 DEG C, and powder feeding rate is 15g/min~25g/min, and spray distance is 12mm~18mm, is prevented The thickness of titanium fire coating is 0.15mm~0.20mm.
- 4. the method according to claim 3 for preparing titanium-fire-preventing coating, it is characterised in that sprayed to titanium alloy surface Tu Qian, decontamination processing is carried out in titanium alloy surface, after decontamination processing, then carries out the preparation of titanium-fire-preventing coating.
- 5. the method according to claim 4 for preparing titanium-fire-preventing coating, it is characterised in that clean titanium alloy table with acetone Face.
- 6. the method according to claim 3 for preparing titanium-fire-preventing coating, it is characterised in that sprayed to titanium alloy surface Tu Qian, covered to position need to be sprayed with exterior domain, after the preparation for completing titanium-fire-preventing coating, remove veil.
- 7. the method according to claim 6 for preparing titanium-fire-preventing coating, it is characterised in that with rubber to portion need to be sprayed Covered with exterior domain position.
- 8. the method according to claim 3 for preparing titanium-fire-preventing coating, it is characterised in that using has Laval spray gun KM-CDS cold spray apparatus prepare titanium-fire-preventing coating.
- 9. the method according to claim 3 for preparing titanium-fire-preventing coating, it is characterised in that the titanium alloy surface of required spraying For blisk.
- 10. the method according to claim 8 for preparing titanium-fire-preventing coating, it is characterised in that in the blade tip to blisk Before position is sprayed, compensation fixture is installed to blade tip edge, compensation fixture outer surface is parallel with blade tip outer surface, compensation Fixture outer surface is less than blade tip outer surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898439.4A CN107740092A (en) | 2017-09-28 | 2017-09-28 | A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710898439.4A CN107740092A (en) | 2017-09-28 | 2017-09-28 | A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107740092A true CN107740092A (en) | 2018-02-27 |
Family
ID=61236320
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710898439.4A Pending CN107740092A (en) | 2017-09-28 | 2017-09-28 | A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107740092A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825828A (en) * | 2019-04-04 | 2019-05-31 | 林庆仁 | A kind of vacuum pump screw rotor tungsten carbide-copper-nickel composite coat preparation method |
| CN110905607A (en) * | 2019-11-29 | 2020-03-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Control method for tip clearance of titanium alloy compressor |
| CN112251707A (en) * | 2020-09-27 | 2021-01-22 | 西安交通大学 | Blade tip cutting coating with boundary particles with equal-size enveloping protrusion and preparation method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6235839A (en) * | 1985-08-09 | 1987-02-16 | 三菱重工業株式会社 | Composite lubricating film |
| CN106507847B (en) * | 2010-12-27 | 2014-04-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of process for preparing ceramic mould Ni-BN coating |
| CN107142474A (en) * | 2017-04-19 | 2017-09-08 | 天津职业技术师范大学 | A kind of titanium-fire-preventing coating |
-
2017
- 2017-09-28 CN CN201710898439.4A patent/CN107740092A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6235839A (en) * | 1985-08-09 | 1987-02-16 | 三菱重工業株式会社 | Composite lubricating film |
| CN106507847B (en) * | 2010-12-27 | 2014-04-09 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of process for preparing ceramic mould Ni-BN coating |
| CN107142474A (en) * | 2017-04-19 | 2017-09-08 | 天津职业技术师范大学 | A kind of titanium-fire-preventing coating |
Non-Patent Citations (3)
| Title |
|---|
| 孙家枢等: "《热喷涂科学与技术》", 31 October 2013, 冶金工业出版社 * |
| 曾晓雁等: "《表面工程学》", 30 April 2017, 机械工业出版社 * |
| 雒晓涛: "冷喷涂制备cBN-NiCrAl金属陶瓷涂层", 《材料工程》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109825828A (en) * | 2019-04-04 | 2019-05-31 | 林庆仁 | A kind of vacuum pump screw rotor tungsten carbide-copper-nickel composite coat preparation method |
| CN110905607A (en) * | 2019-11-29 | 2020-03-24 | 中国航发沈阳黎明航空发动机有限责任公司 | Control method for tip clearance of titanium alloy compressor |
| CN112251707A (en) * | 2020-09-27 | 2021-01-22 | 西安交通大学 | Blade tip cutting coating with boundary particles with equal-size enveloping protrusion and preparation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US8192792B2 (en) | Cold sprayed porous metal seals | |
| CN107740092A (en) | A kind of titanium-fire-preventing coating material and the method with its preparation titanium-fire-preventing coating | |
| US8349396B2 (en) | Method and system for creating functionally graded materials using cold spray | |
| US8777562B2 (en) | Blade air seal with integral barrier | |
| CN105401113A (en) | Aeroengine case seam allowance size repairing method | |
| US20130034661A1 (en) | Method for processing a surface of a component | |
| CN108728842A (en) | A kind of cooking apparatus and preparation method thereof | |
| Fauchais et al. | Thermal and cold spray: Recent developments | |
| CN107805775A (en) | A kind of high-temperature abradable seal coating and preparation method thereof | |
| CN105624665B (en) | Steel structural part surface protection coating and preparation method thereof | |
| CN108720545A (en) | A kind of cooking apparatus and preparation method thereof | |
| CN109371353A (en) | A kind of ceramic base answers material turbine outer ring high temperature seal coating and its preparation process | |
| CN109554657A (en) | A kind of tissue gradual change titanium fire preventing abradable seal coating and preparation method thereof | |
| CN108728786A (en) | A method of preparing silumin coating | |
| CN107904547A (en) | A kind of preparation method of titanium alloy Wear-resistant, high-temperature resistant coating | |
| CN109487197A (en) | The preparation method and system of metal alloy coating under a kind of atmospheric atmosphere | |
| CN105385976A (en) | Preparation method for sealing coating of machine part | |
| US9481922B2 (en) | Process for forming porous metal coating on surfaces | |
| CN109266991B (en) | Spraying method for parts with complex molded surface gaps covering spraying area | |
| Varavallo et al. | Adhesion of thermally sprayed metallic coating | |
| CN107201492A (en) | A kind of method that plasma spraying prepares Mo Re coatings | |
| CN102181812A (en) | Composite coating and spray coating method thereof, and composite structure roller | |
| CN113201733B (en) | Composite material with abradable seal coating and preparation method thereof | |
| CN112226723B (en) | Preparation method of aluminum-containing alloy coating in atmospheric atmosphere | |
| US20200248577A1 (en) | Fusible bond for gas turbine engine coating system |
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 | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180227 |