CN105968397A - Empennage surface structure for improving low-frequency stealth performance - Google Patents

Empennage surface structure for improving low-frequency stealth performance Download PDF

Info

Publication number
CN105968397A
CN105968397A CN201610446677.7A CN201610446677A CN105968397A CN 105968397 A CN105968397 A CN 105968397A CN 201610446677 A CN201610446677 A CN 201610446677A CN 105968397 A CN105968397 A CN 105968397A
Authority
CN
China
Prior art keywords
empennage
ndw
low frequency
antiradar coatings
improving low
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
Application number
CN201610446677.7A
Other languages
Chinese (zh)
Inventor
张岩
刘素君
谢立云
赵小勇
綦龙
李娟娟
张辉
朱鹏
张炜翔
郭靖
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.)
Jiangxi Hongdu Aviation Industry Group Co Ltd
Original Assignee
Jiangxi Hongdu Aviation Industry Group 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 Jiangxi Hongdu Aviation Industry Group Co Ltd filed Critical Jiangxi Hongdu Aviation Industry Group Co Ltd
Priority to CN201610446677.7A priority Critical patent/CN105968397A/en
Publication of CN105968397A publication Critical patent/CN105968397A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J7/00—Chemical treatment or coating of shaped articles made of macromolecular substances
    • C08J7/04—Coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D1/00—Processes for applying liquids or other fluent materials
    • B05D1/36—Successively applying liquids or other fluent materials, e.g. without intermediate treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D5/00—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures
    • B05D5/12—Processes for applying liquids or other fluent materials to surfaces to obtain special surface effects, finishes or structures to obtain a coating with specific electrical properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/02—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
    • B05D7/04—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber to surfaces of films or sheets
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/08—Anti-corrosive paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/24—Electrically-conducting paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/32—Radiation-absorbing paints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • F42B10/04—Stabilising arrangements using fixed fins
    • F42B10/06—Tail fins
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2400/00—Characterised by the use of unspecified polymers

Abstract

The invention discloses an empennage surface structure for improving low-frequency stealth performance. The skin of the empennage is manufactured by covering the surface layer of a laminated plate made of a carbon fiber reinforced resin-based composite material with epoxy glass fiber, and spraying the outer surface of the empennage with an NDW-79 wave-absorbing coating with the thickness of 1.3-1.7 mm; the NDW-79 coating uses a composite absorber for adjustment of electromagnetic parameters of the absorber; and after absorber optimization and thickness optimization, the NDW-79 coating has relatively good absorbing performance within a wide frequency band, especially low frequency absorbing performance is enhanced; therefore, the designed empennage structure has relatively good forward and lateral stealth performance, can meet various engineering requirements on thickness, surface density, adhesion, flexibility, impact performance and environmental adaptability, improves the low-frequency stealth performance of a missile by 16%, effectively improves defense penetration, and is low in economic cost.

Description

A kind of empennage airfoil structure for improving low frequency Stealth Fighter
Technical field
The present invention relates to missile airfoil technical field of improvement, particularly relate to a kind of empennage for improving low frequency Stealth Fighter Airfoil structure.
Background technology
Subsonic speed air-to-ground guided missile is relatively slow due to flight speed, is easily detected by enemy radar and under attack, therefore need to improve and fly Himself Stealth Fighter of row distance subsonic speed air-to-ground guided missile farther out；Empennage is the control surface of guided missile, and its effect is to make guided missile Having certain maneuvering capability, empennage is also forward direction and lateral main scattering source simultaneously, and therefore subsonic speed air-to-ground guided missile is stealthy, its Requirement must be considered emphatically when empennage becomes design.
Summary of the invention
Technical problem solved by the invention is to provide a kind of empennage airfoil structure for improving low frequency Stealth Fighter, To solve the shortcoming in above-mentioned background technology.
Technical problem solved by the invention realizes by the following technical solutions:
A kind of empennage airfoil structure for improving low frequency Stealth Fighter, its empennage eyelid covering uses carbon fiber enhancement resin base to be combined The glass fibre of material laminate Surface mulch epoxy systems, is simultaneously 1.3～1.7 millimeters at empennage outer surface coating thickness NDW-79 antiradar coatings, NDW-79 coating uses composite absorber to compound absorbent electromagnetic parameter, excellent through absorbent Change and after thickness optimization, have preferable absorbent properties, especially low frequency absorbent properties to strengthen in broadband, and different spraying thickness Reflectance and the surface density of degree have different absorbent properties according to engineer applied demand, in the premise improving low frequency Stealth Fighter Under, surface density is little, at the NDW-79 antiradar coatings that empennage outer surface coating thickness is 1.4 millimeters, is capable of under this structure Improve empennage low frequency Stealth Fighter.
For improving the empennage airfoil structure manufacture method of low frequency Stealth Fighter, it is embodied as step as follows:
1) the carbon fiber enhancement resin base composite material laminate matrix surface first used empennage eyelid covering is cleaned processing；
2) preparation NDW-79 antiradar coatings, formula includes that adhesive, firming agent and absorbent, each constituent mass proportioning are: 100 parts Adhesive, 15 parts of firming agent, 260 parts of absorbent, uniform stirring；
3) first carry out conductive coating construction at empennage, then carry out anti-corrosion primer construction, treat step 2) in NDW-79 antiradar coatings join After having made, then carry out NDW-79 antiradar coatings construction；
4) after treating the spraying of NDW-79 antiradar coatings, at room temperature standing 70～80h, stabilizing surfaces can be dried, it is possible to adopts With drying, after stabilizing surfaces is dried, move according to common process, transport, the subsequent handling such as thickness measuring, spray paint straight To terminating.
In the present invention, step 2) in, for improving the mechanical property of coating, promote absorbent and carbon fiber enhancement resin base Composite layer board substrate has preferably combination, adds wetting dispersing agent, thixotropic agent in dispensing.
Beneficial effect: the tail structure designed by the present invention possesses preferable forward direction and side invisible performance, and thickness, face Density, adhesive force, pliability, impact, environmental suitability are satisfied by every engineering demand, and guided missile low frequency Stealth Fighter carries simultaneously High by 16%, it is effectively increased penetration ability, Financial cost is low.
Accompanying drawing explanation
Fig. 1 is the structural representation of presently preferred embodiments of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Fig. 3 is the reflectance table under different coating thickness of the material in presently preferred embodiments of the present invention.
Detailed description of the invention
For the technological means making the present invention realize, creation characteristic, reach purpose and be easy to understand with effect, below knot Close specific embodiment, the present invention is expanded on further.
A kind of empennage airfoil structure for improving low frequency Stealth Fighter, as shown in Fig. 1～2, its empennage eyelid covering uses carbon The glass fibre 1 of fiber-reinforced resin matrix compound material laminate Surface mulch epoxy systems, simultaneously in empennage outer surface spraying thickness Degree is the NDW-79 antiradar coatings 2 of 1.4 millimeters, and monolithic empennage increases weight 1.2 kilograms, and material cohesion is more than 4MPa；NDW-79 is coated with Material uses composite absorber to compound absorbent electromagnetic parameter, after absorbent optimization and thickness optimization, in broadband Preferable absorbent properties, especially low frequency absorbent properties are inside had to strengthen, and the reflectance of different coating thickness and surface density such as Fig. 3 Shown in, NDW-79 paint adhesion is strong, and averagely more than 4MPa, good weatherability environmental suitability meets GJB150 requirement, outside empennage Surface spraying microwave absorbing coating thickness possesses preferable low frequency absorbing property between 1.3 millimeters ~ 1.7 millimeters, according to engineer applied Demand, on the premise of improving low frequency Stealth Fighter, surface density is little, at the NDW-that empennage outer surface coating thickness is 1.4 millimeters 79 antiradar coatings, are capable of improving empennage low frequency Stealth Fighter under this structure；For improving the mechanical property of coating to absorption Agent carries out surface process, promotes absorbent and resin to have preferably combination, by adding wetting dispersing agent, thixotropic agent, to improve This coating workability is good, and the coating surface after absorbent surface processes is smooth, and adhesive force improves.
For improving the empennage airfoil structure manufacture method of low frequency Stealth Fighter, it is embodied as step as follows:
1) the carbon fiber enhancement resin base composite material laminate matrix surface first used empennage eyelid covering is cleaned processing；
2) preparation NDW-79 antiradar coatings, formula includes that adhesive, firming agent, absorbent, each constituent mass proportioning are: 100 parts Adhesive, 15 parts of firming agent, 260 parts of absorbent, uniform stirring；
3) first carry out conductive coating construction at empennage, then carry out anti-corrosion primer construction, treat step 2) in NDW-79 antiradar coatings join After having made, then carry out NDW-79 antiradar coatings construction；
4) after treating the spraying of NDW-79 antiradar coatings, at room temperature standing 72h, stabilizing surfaces can be dried, it is possible to uses and dries Dry, after stabilizing surfaces is dried, move according to common process, transport, the subsequent handling such as thickness measuring, spray paint is until knot Restraint.
The ultimate principle of the present invention and principal character and advantages of the present invention have more than been shown and described.The technology of the industry Personnel, it should be appreciated that the present invention is not restricted to the described embodiments, simply illustrating this described in above-described embodiment and description The principle of invention, without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these become Change and improvement both falls within scope of the claimed invention.Claimed scope by appending claims and Equivalent defines.

Claims (4)

1. the empennage airfoil structure being used for improving low frequency Stealth Fighter, it is characterised in that empennage eyelid covering uses carbon fiber to increase The glass fibre of strong polymer matrix composites laminate Surface mulch epoxy systems, is 1.3 at empennage outer surface coating thickness simultaneously ～the NDW-79 antiradar coatings of 1.7 millimeters.
A kind of empennage airfoil structure for improving low frequency Stealth Fighter the most according to claim 1, it is characterised in that tail Wing outer surface coating thickness is the NDW-79 antiradar coatings of 1.4 millimeters.
3. the empennage airfoil structure manufacture method being used for improving low frequency Stealth Fighter, it is characterised in that be embodied as step As follows:
1) the carbon fiber enhancement resin base composite material laminate matrix surface first used empennage eyelid covering is cleaned processing；
2) preparation NDW-79 antiradar coatings, formula includes that adhesive, firming agent, absorbent, each constituent mass proportioning are: 100 parts Adhesive, 15 parts of firming agent, 260 parts of absorbent, uniform stirring；
3) first carry out conductive coating construction at empennage, then carry out anti-corrosion primer construction, treat step 2) in NDW-79 antiradar coatings join After having made, then carry out NDW-79 antiradar coatings construction；
4) after treating the spraying of NDW-79 antiradar coatings, at room temperature standing 70～80h, stabilizing surfaces can be dried, it is possible to adopts With drying, after stabilizing surfaces is dried, move according to common process, transport, the subsequent handling such as thickness measuring, spray paint straight To terminating.
A kind of empennage airfoil structure manufacture method for improving low frequency Stealth Fighter the most according to claim 3, it is special Levy and be, step 2) in, dispensing is added wetting dispersing agent, thixotropic agent.
CN201610446677.7A 2016-06-21 2016-06-21 Empennage surface structure for improving low-frequency stealth performance Pending CN105968397A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610446677.7A CN105968397A (en) 2016-06-21 2016-06-21 Empennage surface structure for improving low-frequency stealth performance

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610446677.7A CN105968397A (en) 2016-06-21 2016-06-21 Empennage surface structure for improving low-frequency stealth performance

Publications (1)

Publication Number Publication Date
CN105968397A true CN105968397A (en) 2016-09-28

Family

ID=57022291

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610446677.7A Pending CN105968397A (en) 2016-06-21 2016-06-21 Empennage surface structure for improving low-frequency stealth performance

Country Status (1)

Country Link
CN (1) CN105968397A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403729A (en) * 2016-11-24 2017-02-15 江西洪都航空工业集团有限责任公司 Structural wave-absorbing missile wing with high stealth performance
CN107726926A (en) * 2017-09-12 2018-02-23 江西洪都航空工业集团有限责任公司 A kind of stealthy/force-bearing type structure aerofoil
CN111532417A (en) * 2020-05-13 2020-08-14 北京机电工程研究所 Aircraft radar stealth airfoil and preparation method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786785A (en) * 1984-05-21 1998-07-28 Spectro Dynamics Systems, L.P. Electromagnetic radiation absorptive coating composition containing metal coated microspheres
CN102671842A (en) * 2012-05-17 2012-09-19 河海大学 Method for preparing low-frequency electromagnetic wave-absorbing coatings
CN105416567A (en) * 2015-11-13 2016-03-23 中国人民解放军国防科学技术大学 Skin, unmanned aerial vehicle wing, manufacturing method of unmanned aerial vehicle wing, empennage and manufacturing method of empennage
CN105647333A (en) * 2014-10-11 2016-06-08 邓智平 Preparation method of rare earth transition intermetallic compound/ferrite composite radar absorbing coating

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5786785A (en) * 1984-05-21 1998-07-28 Spectro Dynamics Systems, L.P. Electromagnetic radiation absorptive coating composition containing metal coated microspheres
CN102671842A (en) * 2012-05-17 2012-09-19 河海大学 Method for preparing low-frequency electromagnetic wave-absorbing coatings
CN105647333A (en) * 2014-10-11 2016-06-08 邓智平 Preparation method of rare earth transition intermetallic compound/ferrite composite radar absorbing coating
CN105416567A (en) * 2015-11-13 2016-03-23 中国人民解放军国防科学技术大学 Skin, unmanned aerial vehicle wing, manufacturing method of unmanned aerial vehicle wing, empennage and manufacturing method of empennage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106403729A (en) * 2016-11-24 2017-02-15 江西洪都航空工业集团有限责任公司 Structural wave-absorbing missile wing with high stealth performance
CN106403729B (en) * 2016-11-24 2018-07-31 江西洪都航空工业集团有限责任公司 A kind of structure suction wave missile wing of high Stealth Fighter
CN107726926A (en) * 2017-09-12 2018-02-23 江西洪都航空工业集团有限责任公司 A kind of stealthy/force-bearing type structure aerofoil
CN107726926B (en) * 2017-09-12 2019-06-28 江西洪都航空工业集团有限责任公司 A kind of stealthy/force-bearing type structure aerofoil
CN111532417A (en) * 2020-05-13 2020-08-14 北京机电工程研究所 Aircraft radar stealth airfoil and preparation method thereof

Similar Documents

Publication Publication Date Title
CN101699564B (en) Preparation method of fiber metal matrix composite broadband light and slim type radar wave camouflage coating
CN105818453A (en) Radar wave absorbing material of honeycomb structure and preparation method of radar wave absorbing material
CN106183315B (en) A kind of infrared radar compatible type stealth material and preparation method thereof
CN105799260B (en) A kind of radar invisible absorbing material and preparation method thereof
CN105968397A (en) Empennage surface structure for improving low-frequency stealth performance
CN105196638A (en) Broadband wave-absorbing force bearing composite material and preparing method thereof
CN109338796B (en) Wave-absorbing glue solution and structure integrated scattering-enhanced wave-absorbing material and preparation method thereof
CN202528525U (en) Wave-absorbing bulletproof integrated composite board
CN112549665A (en) Radar-infrared-visible light multi-spectrum camouflage stealth structure and preparation method thereof
CN110978707A (en) Light broadband multi-band strong-absorption double-layer-structure honeycomb wave absorption plate and preparation method thereof
US11866616B2 (en) Wave-absorbing impregnation glue liquid, wave-absorbing honeycomb, and preparation methods thereof
CN108274829A (en) A kind of light-weighted shielding wallboard of shelter and preparation method thereof with radar invisible function
CN103725073B (en) A kind of invisible coating
CN110699968B (en) Wave-absorbing composite foam and preparation method thereof
CN111393989A (en) Full-frequency wave-absorbing high-temperature heat-insulating stealth integrated coating and preparation method thereof
CN103013256A (en) Invisible coating material and preparation method thereof
CN108045060A (en) A kind of explosion-proof broadband absorbing composite material and preparation method thereof
CA2722108A1 (en) Method for coating a fiber composite component for an aircraft or spacecraft and fiber composite component produced by said method
CN111690322A (en) Infrared microwave stealth coating and preparation process thereof
CN107979967A (en) A kind of Wave suction composite material of honeycomb sandwich structure and preparation method thereof
CN109468841B (en) Wave absorbing agent solution, honeycomb wave absorbing material and preparation method thereof
CN201530153U (en) Light and thin type radar wave stealth coating for fiber metal based composite wideband
CN104210645B (en) Aircraft sound-insulation wallboard
CN106403729B (en) A kind of structure suction wave missile wing of high Stealth Fighter
US20180127599A1 (en) Method of passive reduction of radar cross-section using radar absorbing materials on composite structures

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20160928

RJ01 Rejection of invention patent application after publication