CN108203799B - A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof - Google Patents

A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof Download PDF

Info

Publication number
CN108203799B
CN108203799B CN201611124328.XA CN201611124328A CN108203799B CN 108203799 B CN108203799 B CN 108203799B CN 201611124328 A CN201611124328 A CN 201611124328A CN 108203799 B CN108203799 B CN 108203799B
Authority
CN
China
Prior art keywords
nicral
surface layer
nial
plasma spraying
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.)
Active
Application number
CN201611124328.XA
Other languages
Chinese (zh)
Other versions
CN108203799A (en
Inventor
宋佳
王璐
张春刚
李明康
张佳平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AECC Shenyang Liming Aero Engine Co Ltd
Original Assignee
AECC Shenyang Liming Aero Engine Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AECC Shenyang Liming Aero Engine Co Ltd filed Critical AECC Shenyang Liming Aero Engine Co Ltd
Priority to CN201611124328.XA priority Critical patent/CN108203799B/en
Publication of CN108203799A publication Critical patent/CN108203799A/en
Application granted granted Critical
Publication of CN108203799B publication Critical patent/CN108203799B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C4/00Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge
    • C23C4/04Coating by spraying the coating material in the molten state, e.g. by flame, plasma or electric discharge characterised by the coating material
    • C23C4/06Metallic material
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • CCHEMISTRY; METALLURGY
    • C22METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22CALLOYS
    • C22C19/00Alloys based on nickel or cobalt
    • C22C19/03Alloys based on nickel or cobalt based on nickel
    • C22C19/05Alloys based on nickel or cobalt based on nickel with chromium
    • C22C19/051Alloys based on nickel or cobalt based on nickel with chromium and Mo or W
    • C22C19/056Alloys based on nickel or cobalt based on nickel with chromium and Mo or W with the maximum Cr content being at least 10% but less than 20%
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/006Pattern or selective deposits
    • CCHEMISTRY; METALLURGY
    • C23COATING 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
    • C23CCOATING 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
    • C23C2/00Hot-dipping or immersion processes for applying the coating material in the molten state without affecting the shape; Apparatus therefor
    • C23C2/02Pretreatment of the material to be coated, e.g. for coating on selected surface areas
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/005Selecting particular materials
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • F01D25/007Preventing corrosion
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04DNON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00Details, component parts, or accessories
    • F04D29/02Selection of particular materials
    • F04D29/023Selection of particular materials especially adapted for elastic fluid pumps
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2230/00Manufacture
    • F05D2230/90Coating; Surface treatment

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Coating By Spraying Or Casting (AREA)

Abstract

This technology belongs to the gas circuit seal coating technology of the components such as aero-engine compressor casing inner wall, more particularly to a kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof.This method comprises the following steps: (1) prepared by bottom, using air plasma spraying method in high-temperature alloy base body surface wheat flour for NiAl bottom;(2) abradable surface layer preparation, NiCrAl/BN surface layer is prepared on NiAl bottom using air plasma spraying method, the phase composition of NiCrAl/BN surface layer is NiCrAl alloy phase and nonmetallic phase h-BN, and prepared NiCrAl/BN surface layer is in typical porous heterogeneous structure.The corrosion-resistant seal coating obtained using the present invention has good anti-marine environment ability, and the performance degradations amount such as its coating hardness, bond strength is low after being subjected to marine environment, meets the requirement that aerial engine air passage is obturaged.

Description

A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof
Technical field
This technology belongs to the gas circuit seal coating technology of the components such as aero-engine compressor casing inner wall, more particularly to A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof.
Background technique
Currently, aero-engine all uses different abradable envelopes from fan, high-pressure compressor to turbine casing surface Tight coating, seal coating is by reducing the gap between casing and vane tip, to reduce the radial loss of air-flow to improve hair The efficiency of motivation simultaneously reduces oil consumption.But the generally existing resistance to corrosion of current aero-engine abradable seal coating is weak, rotten Coating performance decline is fast after erosion, and coating failure is caused to cause aircraft accident.Therefore, development has grinding for resistance to marine environment Consumption seal coating is the inevitable direction of its application development.The resistance to marine corrosion performance of abradable seal coating is not included in coating at present The performance assessment criteria of performance not yet occurs having the abradable seal coating of anti-marine corrosion ability.So guarantee coating other Performance it is constant or promoted in the case where, develop have high corrosion-resistant seal coating, have a good application prospect with it is wide The market space.
Summary of the invention
The purpose of the present invention is to provide a kind of resistance to marine corrosion thermal spraying abradable seal coatings and preparation method thereof, answer For aero-engine compressor casing inner wall, it can be obviously improved the corrosion resistance of seal coating, effectively improve its service life And reliability.
The technical scheme is that
A kind of resistance to marine corrosion thermal spraying abradable seal coating, using air plasma spraying NiAl bottom and porous more Phase NiCrAl/BN surface layer, bilayer composition corrosion-resistant abradable seal coating, wherein NiAl underlayer thickness be 0.1mm~ 0.2mm, NiCrAl/BN surface thickness are 2.0mm~2.5mm.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, the specific steps are as follows:
(1) prepared by bottom
Using air plasma spraying method in high-temperature alloy base body surface wheat flour for NiAl bottom;
(2) abradable surface layer preparation
NiCrAl/BN surface layer, the phase of NiCrAl/BN surface layer are prepared on NiAl bottom using air plasma spraying method Group becomes NiCrAl alloy phase and nonmetallic phase h-BN, and prepared NiCrAl/BN surface layer is in typical porous heterogeneous structure.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, surface layer preparation process include oil removing, Protection, part blast, plasma spraying, cleaning before blast, detailed process is as follows:
(1) before spray-on coating, oil removal treatment is carried out to part, is cleaned using acetone or gasoline;
(2) it protects before carrying out blast, part non-spraying region is protected using tooling or protective glue band;
(3) part blasting treatment, activation and roughening component surface are carried out, using 40 mesh~80 mesh white fused alumina sand, blast Pressure is 0.1MPa~0.3MPa;
(4) air plasma spraying, air plasma spraying parameter are as follows: electric current 300A~500A, argon flow are are carried out 50L/min~100L/min, hydrogen flowing quantity are 3L/min~8L/min, and powder feeding rate is 30g~50g, spray distance 90mm ~130mm, spray angle are 75 °~90 °;
(5) it after spraying, removes protective glue band or removes shield jig.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, air plasma spraying NiAl bottom NiAl alloy epitaxy powder size used is between 50 μm~80 μm.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, by weight percentage, the bottom NiAl In layer, Ni 90%~95%, Al 5~10%.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, air plasma spraying NiCrAl/ The powder size of NiCrAl alloy and nonmetallic BN used in BN surface layer are between 40 μm~90 μm;The powder is core-shell structure, interior Portion is BN, external uniformly cladding NiCrAl alloy;The powder after air plasma spraying, formed metal, phase nonmetallic phase with And pore structure.
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, by weight percentage, NiCrAl/ In BN surface layer, Ni 56~60, Cr 12~15, Al 1.0~2.5, BN surplus.
The invention has the advantages and beneficial effects that:
1, aero-engine seal coating when coastal region is stored and is worked easily corrodes, and influences aircraft service life It is safe with using.The present invention is directed to the improvement of current aero-engine abradable seal coating military service performance, in original spraying On the basis of technique, abradable seal coating is prepared using cladded type dusty spray, the salt spray resistance, resistance to of coating can be obviously improved Damp and hot, fungus resistance energy promotes the comprehensive usage performance of coating, expands coating military service range.
2, compared with prior art, the present invention uses air plasma spraying NiAl bottom, has good cementability, with NiCrAl/BN surface layer is well combined;NiCrAl/BN surface layer bond strength be greater than 5MPa, hardness be 50~70HR15Y within the scope of, Voids content is about 20%, has good erosion resistance, meets seal coating service demand, be provided simultaneously with good anti-corruption Erosion ability, salt air corrosion 960h, bond strength decline are only 0.3%.
Detailed description of the invention
Fig. 1 is seal coating system displaing micro tissue topography (50 times).
Fig. 2 is NiCrAl/BN surface layer displaing micro tissue topography (200 times).
Specific embodiment
In the specific implementation process, resistance to marine corrosion thermal spraying abradable seal coating of the present invention and preparation method thereof, is adopted The corrosion-resistant envelope of NiAl adhesive layer (bottom) and porous multiphase NiCrAl/BN surface layer bilayer composition is prepared with plasma spray coating process Tight coating, NiAl bottom are prepared using air plasma spraying method, and NiCrAl/BN surface layer uses air plasma spraying method Preparation.Plasma spray coating process is most representative hot-spraying technique, and plasma arc temperature is high, speed is high, has spraying effect The advantages that rate is high, and anchoring strength of coating is high.Hot-spraying coating is to be intermeshed to be stacked on one in wave by infinite variety particle The lamellar tissue's structure for rising and being formed.In spraying process, the rebound of powder particle stacked successively with partial particulate is scattered and disappeared, just It will form part hole or cavity.
In the following, being further elaborated on by embodiment to the present invention.
Embodiment 1
Step 1: oil removal treatment being carried out to component surface, oil removing is gone using acetone or gasoline wiper element spraying area Dirty and sundries;
Step 2: being protected before carrying out blast to non-spraying region using pressure sensitive adhesive tape;
Step 3: surface roughening treatment being carried out to part, using forced blowing machine, 40 mesh white fused alumina sand treat spraying area Domain is handled, gas pressure 0.2MPa;
Step 4: needing spraying area to carry out air plasma spraying NiAl alloy epitaxy bottom, the NiAl alloy epitaxy powder of use part Last particle size range is between 50 μm~80 μm, specific spraying parameter are as follows: electric current 700A, argon flow 55L/min, hydrogen stream Measure 5.5L/min, powder feeding rate be 20g/min, spray distance 130mm, 90 ° of spray angle;By weight percentage, NiAl alloy epitaxy The chemical component of bottom are as follows: Ni 95%, Al 5%;
Step 5: needing spraying area to carry out air plasma spraying NiCrAl/BN surface layer, air plasma spraying part The powder size of NiCrAl alloy and nonmetallic BN used in NiCrAl/BN surface layer are between 40 μm~90 μm;The powder is nucleocapsid Structure, inside are BN, external uniformly cladding NiCrAl alloy;The powder forms metal, Xiang Feijin after air plasma spraying Symbolic animal of the birth year and pore structure, specific process parameter are as follows: hydrogen flowing quantity 2L/min, argon flow 40L/min, powder feeding rate 38g/ Min, spray distance 110mm, 90 ° of spray angle;By weight percentage, the chemical component of NiCrAl/BN surface layer are as follows: Ni 58, Cr 12, Al 2.0, BN surplus.
Step 6: after spraying, removing the protective glue band in non-spraying region, clear up the pollutant of piece surface.
Step 7: performance detection being carried out to coating, coating surface Rockwell hardness is 57HR15Y, and anchoring strength of coating value is 5.77MPa。
As shown in Figure 1, can be seen that from seal coating system displaing micro tissue topography using technology of the invention, that is, use The corrosion-resistant seal coating of plasma spraying NiAl adhesive layer and porous multiphase NiCrAl/BN surface layer bilayer composition, wherein NiAl Bottom is prepared using air plasma spraying method, and NiAl underlayer thickness is 0.1mm~0.2mm, and NiCrAl/BN surface layer is using big The preparation of gas plasma spray coating process method, NiCrAl/BN surface thickness are 2.0mm~2.5mm.The coating has good anti-sea Foreign environmental corrosion ability, the performance degradations amount such as its coating hardness, bond strength is low after being subjected to marine environment, meets aviation The requirement that engine air passage is obturaged.
As shown in Fig. 2, can be seen that NiCrAl/BN surface layer from NiCrAl/BN surface layer displaing micro tissue topography includes NiCrAl Metal phase, hole and BN nonmetallic phase are in porous heterogeneous structure.
Embodiment the result shows that, the present invention can be applied to other turbomachineries and obturage as gas circuit, ensure equipment Service life expands mechanical application field, lifting means reliability, has a vast market foreground.After coating the coating, material It is anticorrosive can significantly improve, effectively increase its life and reliability.The technology also extends to other related fieldss, has Higher economic benefit.

Claims (1)

1. a kind of preparation method of resistance to marine corrosion thermal spraying abradable seal coating, which is characterized in that use atmospheric plasma Spray NiAl bottom and porous multiphase NiCrAl/BN surface layer, the corrosion-resistant abradable seal coating of bilayer composition, the wherein bottom NiAl For layer with a thickness of 0.1 mm~0.2mm, NiCrAl/BN surface thickness is 2.0 mm~2.5mm;
The preparation method of the resistance to marine corrosion thermal spraying abradable seal coating, the specific steps are as follows:
(1) prepared by bottom
Using air plasma spraying method in high-temperature alloy base body surface wheat flour for NiAl bottom;
(2) abradable surface layer preparation
NiCrAl/BN surface layer, the phase composition of NiCrAl/BN surface layer are prepared on NiAl bottom using air plasma spraying method For NiCrAl alloy phase and nonmetallic phase h-BN, prepared NiCrAl/BN surface layer is in typical porous heterogeneous structure;
Surface layer preparation process includes protection, part blast, plasma spraying, cleaning before oil removing, blast, and detailed process is as follows:
(1) before spray-on coating, oil removal treatment is carried out to part, is cleaned using acetone or gasoline;
(2) it protects before carrying out blast, part non-spraying region is protected using tooling or protective glue band;
(3) part blasting treatment, activation and roughening component surface are carried out, using 40 mesh~80 mesh white fused alumina sand, blast pressure For the MPa of 0.1MPa~0.3;
(4) air plasma spraying, air plasma spraying parameter are as follows: electric current 300A~500A, argon flow 50L/ are carried out Min~100L/min, hydrogen flowing quantity are 3L/min~8L/min, and powder feeding rate is the g/min of 30 g/min~50, spray distance For 90mm~130mm, spray angle is 75 °~90 °;
(5) it after spraying, removes protective glue band or removes shield jig;
NiAl alloy epitaxy powder size used in air plasma spraying NiAl bottom is between 50 μm~80 μm;
By weight percentage, in NiAl bottom, Ni 90%~95%, Al 5~10%;
The powder size of NiCrAl alloy used in air plasma spraying NiCrAl/BN surface layer and nonmetallic BN are at 40 μm~90 μm Between;The powder is core-shell structure, and inside is BN, external uniformly cladding NiCrAl alloy;The powder is through air plasma spraying Afterwards, metal phase, nonmetallic phase and pore structure are formed;
By weight percentage, in NiCrAl/BN surface layer, Ni 56~60, Cr 12~15, Al 1.0~2.5, BN surplus.
CN201611124328.XA 2016-12-08 2016-12-08 A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof Active CN108203799B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201611124328.XA CN108203799B (en) 2016-12-08 2016-12-08 A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201611124328.XA CN108203799B (en) 2016-12-08 2016-12-08 A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof

Publications (2)

Publication Number Publication Date
CN108203799A CN108203799A (en) 2018-06-26
CN108203799B true CN108203799B (en) 2019-09-27

Family

ID=62601217

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201611124328.XA Active CN108203799B (en) 2016-12-08 2016-12-08 A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof

Country Status (1)

Country Link
CN (1) CN108203799B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109182949A (en) * 2018-07-17 2019-01-11 中国科学院金属研究所 A kind of high-performance seal coating and preparation method thereof
CN110408950B (en) * 2019-08-30 2021-04-27 南通大学 Electrolytic water cathode based on microscopic blasting process and preparation method thereof
CN110512166B (en) * 2019-10-11 2020-10-27 北京矿冶科技集团有限公司 Marine corrosion resistant abradable material, coating and preparation method thereof
CN112359309B (en) * 2020-11-23 2023-04-07 中国航发沈阳黎明航空发动机有限责任公司 Preparation method of anti-adhesion coating for aero-engine driving connecting rod
CN114278393A (en) * 2021-12-28 2022-04-05 东方电气集团东方汽轮机有限公司 Through-flow area sealing structure of shaft seal of steam turbine
CN117758186A (en) * 2023-12-11 2024-03-26 北矿新材科技有限公司 Single-layer short-flow wear-resistant coating material and preparation method and application thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102822256A (en) * 2010-01-26 2012-12-12 苏舍美特科(美国)公司 Abradable composition and method of manufacture
CN104087888A (en) * 2014-06-19 2014-10-08 哈尔滨东安发动机(集团)有限公司 Preparation method for nickel chromium-chromium carbide coating with high hardness and low porosity
CN104357792A (en) * 2014-11-14 2015-02-18 北京矿冶研究总院 Titanium alloy high-temperature oxidation-resistant fretting wear-resistant coating material, coating and preparation method
CN105441852A (en) * 2015-11-25 2016-03-30 沈阳黎明航空发动机(集团)有限责任公司 Plasma spraying method for AlSi/BN seal coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102822256A (en) * 2010-01-26 2012-12-12 苏舍美特科(美国)公司 Abradable composition and method of manufacture
CN104087888A (en) * 2014-06-19 2014-10-08 哈尔滨东安发动机(集团)有限公司 Preparation method for nickel chromium-chromium carbide coating with high hardness and low porosity
CN104357792A (en) * 2014-11-14 2015-02-18 北京矿冶研究总院 Titanium alloy high-temperature oxidation-resistant fretting wear-resistant coating material, coating and preparation method
CN105441852A (en) * 2015-11-25 2016-03-30 沈阳黎明航空发动机(集团)有限责任公司 Plasma spraying method for AlSi/BN seal coating

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
NiCrAl/Diatomite可磨耗封严涂层摩擦磨损性能研究;徐娜等;《第十六届国际热喷涂研讨会暨第十七届全国热喷涂年会论文集》;20131231;第17页1试验材料及方法 *
等离子喷涂镍基可磨耗封严涂层抗腐蚀及耐磨性能分析;于方丽等;《无机材料学报》;20160731;第31卷(第7期);第688-690页1.1实验原料,1.2等离子喷涂工艺,2.1涂层结构表征,第691页2.3涂层耐腐蚀性能 *

Also Published As

Publication number Publication date
CN108203799A (en) 2018-06-26

Similar Documents

Publication Publication Date Title
CN108203799B (en) A kind of resistance to marine corrosion thermal spraying abradable seal coating and preparation method thereof
CN102560316B (en) Process for performing ultrasonic spray of composite coatings on surface of fan blade
US11732595B2 (en) Abrasive tip blade manufacture methods
US9021696B2 (en) Method for producing a plating of a vane tip and correspondingly produced vanes and gas turbines
CN107740024B (en) High-temperature abradable coating and preparation process thereof
US20120099973A1 (en) Low density abradable coating with fine porosity
US20130149163A1 (en) Method for Reducing Stress on Blade Tips
CN107805775A (en) A kind of high-temperature abradable seal coating and preparation method thereof
US20140272166A1 (en) Coating system for improved leading edge erosion protection
CN105951030B (en) Single crystal alloy surface double-layer structure adhesive layer and preparation method thereof
CN203571042U (en) Abradable coating honeycomb seal
JP2013147746A (en) Coating, turbine component, and process of fabricating turbine component
US20160356165A1 (en) Abrasive Tip Blade Manufacture Methods
CN105441852A (en) Plasma spraying method for AlSi/BN seal coating
US10196929B2 (en) Process for depositing a ceramic coating and product formed thereof
EP3927863B1 (en) Dense abradable coating with brittle and abradable components
SG153818A1 (en) Smooth outer coating for combustor components and coating method therefor
CN108118278A (en) One kind is used for the low guide vane method for preparing heat barrier coating of IC10 alloys
CN103774082A (en) Preparation method of thermal barrier coating
CN108179371A (en) A kind of high-temperature abradable seal coating and preparation method thereof
CN109402550A (en) A kind of tissue gradual change high-temperature abradable seal coating and preparation method thereof
CN114149703A (en) Water-based anti-aluminizing coating and partial aluminizing modification method based on chemical vapor deposition
US9845685B2 (en) Process for producing a run-in coating
CN104404514A (en) High temperature sealing coating and making method thereof
CN106757007B (en) A kind of fan blade and preparation method thereof

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
CB02 Change of applicant information
CB02 Change of applicant information

Address after: 110180 No. 6 Dongta Street, Dadong District, Shenyang City, Liaoning Province

Applicant after: Chinese Hangfa Shenyang Liming Aero engine limited liability company

Address before: 110043 Liaoning Province, Shenyang City District East Street No. 6

Applicant before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City

GR01 Patent grant
GR01 Patent grant