CN102560322A - Preparation method of wearable seal coating with titanium fire preventing function - Google Patents
Preparation method of wearable seal coating with titanium fire preventing function Download PDFInfo
- Publication number
- CN102560322A CN102560322A CN2010106048129A CN201010604812A CN102560322A CN 102560322 A CN102560322 A CN 102560322A CN 2010106048129 A CN2010106048129 A CN 2010106048129A CN 201010604812 A CN201010604812 A CN 201010604812A CN 102560322 A CN102560322 A CN 102560322A
- Authority
- CN
- China
- Prior art keywords
- coating
- orders
- preparation
- spray
- seal coating
- 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
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
Landscapes
- Coating By Spraying Or Casting (AREA)
Abstract
The invention aims at providing a preparation method of a wearable seal coating with a titanium fire preventing function. The preparation method is characterized in that the wearable seal coating is a three-layer coating system, wherein a bottom layer is an Ni3Al coating, a middle layer is a ZrO2.Y2O3 heat insulation coating, and a surface layer is a CuAl/BN wearable seal coating. The wearable seal coating is prepared by adopting a plasma spraying method, process parameters are as follows: the bottom layer has a process current of 500-520A and a spraying distance of 120-140mm as well as a spraying power of 30-36kW, the middle layer has a process current of 600-620A and a spraying distance of 80-110mm as well as a spraying power of 42-46kW, and the surface layer has a process current of 360-420A and a spraying distance of 110-130mm as well as a spraying power of 20-25kW. The three-layer coating system has better heat insulation performance, a certain scouring resistance, better wearability and low friction coefficient, and can be used as a titanium fire preventing coating of a titanium alloy casing.
Description
Technical field
The invention belongs to hot-spraying techniques in the abradable seal coating Application for Field.
Background technology
It is titanium alloy material that height pushes away than aircraft engine hpc casing material, and the titanium alloy compressor casing can be imprisoned collision or produced fire by friction in engine operation process, so-called " titanium fire " promptly occur.For guaranteeing safe reliability in use, need be in the anti-titanium fire of titanium alloy member surface deposition coating.
According to the engine operation principle, at first should play the effect of abradable seal in the coating of compressor casing inwall, guarantee the radius clearance of spinner blade blade tip and the interior interannular of casing, patrol the reduction of rabbit compressor efficiency.Therefore the anti-titanium fire coating of this project should be the coating that has abradable seal and two kinds of functions of anti-titanium fire concurrently; Anti-titanium fire coating should have good heat conduction or effect of heat insulation and good antioxidant property and low combustion heat value, and abradable seal coating should have the good and low relatively performances such as frictional coefficient of the moderate scraping property of hardness.
Summary of the invention
The object of the present invention is to provide a kind of preparation method with abradable seal coating of anti-titanium fire function; The performance requirement of comprehensive anti-titanium fire coating and this two type coating of abradable seal coating has designed three layers of coating system, and this system is good to the titanium alloy thermal protective performance; Coating has certain scour resistance; But abradability is good, and the rub coefficient of raising of coating is low, can be used for the anti-titanium fire coating of titanium alloy casing.
The present invention specifically provides a kind of preparation method with abradable seal coating of anti-titanium fire function, and it is characterized in that: said coating is three layers of coating system, and wherein bottom is Ni
3Al coating, middle layer are ZrO
2Y
2O
3Heat insulating coat, surface layer are the CuAl/BN abradable seal coating.The preparation of employing plasma spraying method, its processing parameter is:
Bottom: process current is 500 ~ 520A, and spray distance is 120 ~ 140mm, and spray power is 30 ~ 35kW;
The middle layer: process current is 600 ~ 620A, and spray distance is 80 ~ 110mm, and spray power is 42 ~ 46kW;
Surface layer: process current is 360 ~ 420A, and spray distance is 110 ~ 130mm, and spray power is 20 ~ 25kW.
Ni
3Al intermetallic compound dusty spray can effectively reduce the reactivity of primer and titanium alloy substrate, and this bottom and titanium alloy substrate reactivity are low, excellent combination property.Ni wherein
3The composition of Al layer dusty spray is: Ni85 ~ 87Wt%, Al13 ~ 15Wt%, size-grade distribution is seen table 1.
Table 1 Ni
3The size-grade distribution of Al powder (Wt %)
| + 100 orders | -100 orders ~+325 orders | -325 orders |
| ≤5 | ≥80 | ≤15 |
CuAI/BN surface layer hardness is moderate, and working temperature is to cut the best abradable seal coating material that closes with titanium alloy blade below 650 ℃.Wherein the composition of CuAl/BN coating spraying powder is: Cu70 ~ 74Wt%, Al10 ~ 12Wt%, BN18 ~ 20Wt%, size-grade distribution is seen table 2.
The size-grade distribution (Wt%) of table 2 CuAl/BN powder
| + 80 orders | -80 orders ~+325 orders | -325 orders |
| ≤5 | ≥65 | ≤30 |
Preparing method with abradable seal coating of anti-titanium fire function provided by the invention, it is characterized in that: the thickness of three layers of coating is respectively: bottom 0.07 ~ 0.15mm, middle layer 0.10 ~ 0.20mm, surface layer 0.8 ~ 1.2mm.
Preparing method with abradable seal coating of anti-titanium fire function provided by the invention, it is characterized in that: matrix roughness Ra is not less than 3.8 μ m before the part spraying, and the interlayer spray time is not more than 1h at interval, and the substrate preheating temperature is not less than 80 ℃ before the spraying.
Adopt three layers of anti-titanium fire coating system of prepared according to the invention; Its properties of coating test result shows; This system is good to the titanium alloy thermal protective performance, and coating has certain scour resistance, but abradability is good; The rub coefficient of raising of coating is low, can be used for the anti-titanium fire coating of titanium alloy casing.
Description of drawings
Fig. 1 Ni
3Al dusty spray shape appearance figure;
Fig. 2 CuAl/BN dusty spray shape appearance figure.
Embodiment
Embodiment 1
Ni
3The Al powder size is-100 orders ~+325 orders, and powder is spherical in shape, and the CuAl/BN powder size is-80 orders ~+325 orders, and powder type of being is spherical; Three layers of coating system thickness are respectively Ni
3Al bottom 0.07mm, intermediate thermal insulating layer Zr0
2Y
20
3Coating 0.15mm, CuAl/BN surface layer 1.0mm.
The plasma spray coating process parameter:
Ni
3Al bottom technology is: electric current 500A, spray distance 120mm, spray power 32kW; Zr0
2Y
20
3Coating process is: electric current 600A, spray distance 100mm, spray power 45kW; The CuAI/BN coating process is: electric current 400A, spray distance 110mm, spray power 20kW.
Gained coating stretching bonding strength 6.5MPa, the hard 45HR15Y of surperficial Rockwell.
Embodiment 2
Ni
3The Al powder size is-100 orders ~+325 orders, and powder is spherical in shape, and the CuAl/BN powder size is-80 orders ~+325 orders, and powder type of being is spherical; Three layers of coating system thickness are respectively Ni
3Al bottom 0.10mm, intermediate thermal insulating layer Zr0
2Y
20
3Coating 0.12mm, CuAl/BN surface layer 1.0mm.
The plasma spray coating process parameter:
Ni
3Al bottom technology is: electric current 500A, spray distance 140mm, spray power 34kW; Zr0
2Y
20
3Coating process is: electric current 600A, spray distance 100mm, spray power 45kW; The CuAI/BN coating process is: electric current 360A, spray distance 120mm, spray power 22kW.
Gained coating stretching bonding strength 7MPa, the hard 50HR15Y of surperficial Rockwell.
Embodiment 3
Ni
3The Al powder size is-100 orders ~+325 orders, and powder is spherical in shape, and the CuAl/BN powder size is-80 orders ~+325 orders, and powder type of being is spherical; Three layers of coating system thickness are respectively Ni
3Al bottom 0.10mm, intermediate thermal insulating layer Zr0
2Y
20
3Coating 0.12mm, CuAl/BN surface layer 1.2mm.
The plasma spray coating process parameter:
Ni
3Al bottom technology is: electric current 500A, spray distance 140mm, spray power 34kW; Zr0
2Y
20
3Coating process is: electric current 600A, spray distance 100mm, spray power 45kW; The CuAI/BN coating process is: electric current 410A, spray distance 130mm, spray power 25kW.
Gained coating stretching bonding strength 7.8MPa, the hard 55HR15Y of surperficial Rockwell.
Claims (4)
1. preparation method with abradable seal coating of anti-titanium fire function, it is characterized in that: said coating is three layers of coating system, and wherein bottom is Ni
3Al coating, middle layer are ZrO
2Y
2O
3Heat insulating coat, surface layer are the CuAl/BN abradable seal coating; The preparation of employing plasma spraying method, its processing parameter is:
Bottom: process current is 500 ~ 520A, and spray distance is 120 ~ 140mm, and spray power is 30 ~ 35kW;
The middle layer: process current is 600 ~ 620A, and spray distance is 80 ~ 110mm, and spray power is 42 ~ 46kW;
Surface layer: process current is 360 ~ 420A, and spray distance is 110 ~ 130mm, and spray power is 20 ~ 25kW.
2. according to the said preparation method with abradable seal coating of anti-titanium fire function of claim 1, it is characterized in that: the thickness of three layers of coating is respectively: bottom 0.07 ~ 0.15mm, middle layer 0.10 ~ 0.20mm, surface layer 0.8 ~ 1.2mm.
3. according to the said preparation method of claim 1, it is characterized in that: Ni with abradable seal coating of anti-titanium fire function
3The size-grade distribution of Al powder is weight percentage :+100 orders≤5% ,-100 orders ~+325 orders>=80% ,-325 order≤15%, the size-grade distribution of CuAl/BN powder is weight percentage :+80 orders≤5% ,-80 orders ~+325 orders>=65% ,-325 order≤30%.
4. according to the said preparation method of claim 1 with abradable seal coating of anti-titanium fire function; It is characterized in that: matrix roughness Ra is not less than 3.8 μ m before the part spraying; The interlayer spray time is not more than 1h at interval, and the substrate preheating temperature is not less than 80 ℃ before the spraying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106048129A CN102560322A (en) | 2010-12-24 | 2010-12-24 | Preparation method of wearable seal coating with titanium fire preventing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010106048129A CN102560322A (en) | 2010-12-24 | 2010-12-24 | Preparation method of wearable seal coating with titanium fire preventing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102560322A true CN102560322A (en) | 2012-07-11 |
Family
ID=46406916
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010106048129A Pending CN102560322A (en) | 2010-12-24 | 2010-12-24 | Preparation method of wearable seal coating with titanium fire preventing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102560322A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588469A (en) * | 2013-11-05 | 2014-02-19 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing ceramic-based high temperature abradable seal coating layer based on sol-gel |
| CN103623975A (en) * | 2013-11-21 | 2014-03-12 | 中国南方航空工业(集团)有限公司 | Method for spraying gas compressor case of turbo-shaft engine and protective clamp used in same |
| CN107988574A (en) * | 2017-12-29 | 2018-05-04 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller with wear-resistant resistance to cracking nano coating |
| CN109554657A (en) * | 2018-11-30 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of tissue gradual change titanium fire preventing abradable seal coating and preparation method thereof |
| CN114045454A (en) * | 2021-11-11 | 2022-02-15 | 中国航发沈阳黎明航空发动机有限责任公司 | Titanium fire-resistant abradable seal coating and preparation method thereof |
| CN114774830A (en) * | 2022-06-20 | 2022-07-22 | 矿冶科技集团有限公司 | Multifunctional coating, preparation method thereof and power equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1260602A1 (en) * | 2001-05-23 | 2002-11-27 | Sulzer Metco AG | Process for producing a thermally insulating coating system on a metallic substrate |
| CN101921979A (en) * | 2009-06-10 | 2010-12-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing seal coating by plasma spraying |
-
2010
- 2010-12-24 CN CN2010106048129A patent/CN102560322A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1260602A1 (en) * | 2001-05-23 | 2002-11-27 | Sulzer Metco AG | Process for producing a thermally insulating coating system on a metallic substrate |
| CN101921979A (en) * | 2009-06-10 | 2010-12-22 | 沈阳黎明航空发动机(集团)有限责任公司 | Method for preparing seal coating by plasma spraying |
Non-Patent Citations (2)
| Title |
|---|
| V.M. ROSARIO 等: "Development of a thermal barrier material using combustion synthesis", 《MATERIAL SCIENCE AND ENGINEERING:A》 * |
| 罗秋生: "发动机高压压气机防钛火技术研究", 《中国优秀硕士学位论文全文数据库》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103588469A (en) * | 2013-11-05 | 2014-02-19 | 中国航空工业集团公司北京航空材料研究院 | Method for preparing ceramic-based high temperature abradable seal coating layer based on sol-gel |
| CN103623975A (en) * | 2013-11-21 | 2014-03-12 | 中国南方航空工业(集团)有限公司 | Method for spraying gas compressor case of turbo-shaft engine and protective clamp used in same |
| CN103623975B (en) * | 2013-11-21 | 2016-01-06 | 中国南方航空工业(集团)有限公司 | Turboshaft engine compressor casing spraying method and Protecting clamping apparatus thereof |
| CN107988574A (en) * | 2017-12-29 | 2018-05-04 | 上海英佛曼纳米科技股份有限公司 | A kind of cold rolling acid milling train pulling-straightening roller with wear-resistant resistance to cracking nano coating |
| CN109554657A (en) * | 2018-11-30 | 2019-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of tissue gradual change titanium fire preventing abradable seal coating and preparation method thereof |
| CN109554657B (en) * | 2018-11-30 | 2020-10-27 | 中国航发沈阳黎明航空发动机有限责任公司 | Titanium fire-resistant abradable seal coating with gradually-changed structure and preparation method thereof |
| CN114045454A (en) * | 2021-11-11 | 2022-02-15 | 中国航发沈阳黎明航空发动机有限责任公司 | Titanium fire-resistant abradable seal coating and preparation method thereof |
| CN114774830A (en) * | 2022-06-20 | 2022-07-22 | 矿冶科技集团有限公司 | Multifunctional coating, preparation method thereof and power equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102560322A (en) | Preparation method of wearable seal coating with titanium fire preventing function | |
| CN104404434B (en) | A kind of ceramic coating of metal material surface and preparation method thereof | |
| CN105316629B (en) | A kind of superhard micron multi-layer composite coatings and preparation method thereof of receiving | |
| Nordin et al. | Wear and failure mechanisms of multilayered PVD TiN/TaN coated tools when milling austenitic stainless steel | |
| CN108431290A (en) | Turbine clearance controls coating and method | |
| CN102294854B (en) | Hard coating and preparation method thereof and covering element having hard coating | |
| CN102732832A (en) | Titanium alloy surface high temperature oxidation resistance and wear resistance oxide gradient coat, and preparation method thereof | |
| CN102601340A (en) | Aluminum alloy die-casting mold and preparation process for forming protective coating on surface of inner cavity of aluminum alloy die-casting mold | |
| CN102366840A (en) | Wear-resisting cutting tool | |
| CN110512166A (en) | A kind of resistance to marine corrosion abradable material, coating and preparation method thereof | |
| CN103911620A (en) | Preparation method for thermal-shock-resistant metal-based coating | |
| CN103572191A (en) | Four-phase ceramic matrix high-temperature wearable sealing coating | |
| Li et al. | Tribological behaviors of CrN/Cr3C2-NiCr duplex coating at elevated temperatures | |
| CN104451514A (en) | SiC-Al2O3 nano coating and preparation method thereof | |
| CN111962028A (en) | EB-PVD/APS composite structure double-ceramic-layer thermal barrier coating and preparation method thereof | |
| US8497028B1 (en) | Multi-layer metallic coating for TBC systems | |
| CN104325738A (en) | Hard coating of cold-rolling disc flying shear and preparation method of hard coating | |
| CN105506625A (en) | Preparation method of protective coating based on working surface of mould matrix | |
| Cui et al. | Mechanical properties and cutting performance of laminated graphene composite ceramic tools | |
| JP5850404B2 (en) | WC-based cemented carbide cutting tool insert | |
| CN106995913A (en) | A kind of CrTiAlSiN Quito member rigid composite coating | |
| CN104152854A (en) | High temperature resisting anti-oxidation low infrared emitting ability composite coating and preparation method thereof | |
| CN102774089A (en) | Novel gradient thermal barrier coating | |
| CN110079766A (en) | A kind of highly-efficient processing high temperature alloy nano-composite coating technique | |
| CN103290358A (en) | Antiwear and anticorrosion composite coating for mechanical part surface, and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120711 |