CN105563964B - A kind of airborne radome composite and preparation method thereof - Google Patents
A kind of airborne radome composite and preparation method thereof Download PDFInfo
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- CN105563964B CN105563964B CN201511027347.6A CN201511027347A CN105563964B CN 105563964 B CN105563964 B CN 105563964B CN 201511027347 A CN201511027347 A CN 201511027347A CN 105563964 B CN105563964 B CN 105563964B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/065—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of foam
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/42—Housings not intimately mechanically associated with radiating elements, e.g. radome
- H01Q1/422—Housings not intimately mechanically associated with radiating elements, e.g. radome comprising two or more layers of dielectric material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/02—Composition of the impregnated, bonded or embedded layer
- B32B2260/021—Fibrous or filamentary layer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2260/00—Layered product comprising an impregnated, embedded, or bonded layer wherein the layer comprises an impregnation, embedding, or binder material
- B32B2260/04—Impregnation, embedding, or binder material
- B32B2260/046—Synthetic resin
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/20—Properties of the layers or laminate having particular electrical or magnetic properties, e.g. piezoelectric
- B32B2307/21—Anti-static
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/71—Resistive to light or to UV
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
- B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/726—Permeability to liquids, absorption
- B32B2307/7265—Non-permeable
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
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Abstract
The invention discloses a kind of airborne radome composite and preparation method thereof, wherein airborne radome includes face coat, exterior skin layer, laminboard layer and Inner Mongol cortex with composite, laminboard layer is located between exterior skin layer and Inner Mongol cortex, and face coat is coated on exterior skin layer surface；The thickness of exterior skin layer is 0.2~1mm；Laminboard layer is made of polymethacrylimide foam, structure in a rectangular trapezoid, and its short side thickness is 4~30mm, and long side thickness is 4.5mm~34mm；The thickness of Inner Mongol cortex is 0.2~1mm.Its preparation method includes：Hand paste dipping prepare Inner Mongol cortex prepreg, be coated with sandwich layer material, solidification, hand paste dipping prepare exterior skin layer prepreg, solidification, sprayed surface coating, solidification.The airborne radome composite of the present invention has that environmental resistance is excellent, integrated carrying ability is good, the advantages such as high wave transmission rate can be kept in two waveband.
Description
Technical field
The present invention relates to space material technical field, more particularly to a kind of airborne radome polymer matrix composites and its
Preparation method.
Background technology
Airborne radome is the important component of aircraft, and its effect is to protect inside antenna in the course of the work from disliking
The influence of bad environment, while ensure antenna normal work, i.e., there is higher wave transmission rate in the range of operating frequency of antenna.
The performance of antenna house and the performance of selected materials are closely related, and radome material should have following characteristics：
1st, structural bearing performance is good, meets the strength and stiffness requirement under military service load-up condition；
2nd, dielectric constant and dielectric loss are small, and low dielectric constant can reduce reflection, make reflection to radiation mode and insertion
The influence of loss is reduced to minimum；
3rd, it is light, antenna house overall weight is reduced, and then improve equipment payload ratio；
4th, environmental resistance is excellent, the high/low temperature that is highly resistant under service condition, low pressure, drenches with rain, be solar irradiation, wet
The rugged environment load such as heat, mould, salt fog, sand dust；
5th, good manufacturability, realize prepared by low cost.
Radome material mainly includes machine material and the major class of inorganic non-metallic material two.Wherein, ceramics, devitrified glass,
The inorganic material such as ceramic matric composite are such materials to meet that the antenna house of the higher aircraft of Mach number grows up
Higher operating temperature and worse environment must be born.
And organic material refers to polymer matrix composites, polymer matrix composites are the earliest materials of antenna house application,
And the radome material being most widely used at present in aerospace field, it is primarily adapted for use in, and flight Mach number is less to fly
Row device.The upgrading of weaponry and performance are substantially improved, and more and more higher is proposed to polymer matrix composites antenna house performance
Requirement.For some antennas, in order to improve work efficiency, the antenna requirement is worked in two wave bands, and this is just meaned
Matching antenna house also should keep high wave transmission rate in two wave bands.Although existing polymer matrix composites can be at one
Wide-band high-wave transmission rate is realized in wave band, but there is presently no the antenna house material that high wave transmission rate can be kept in two wave bands
Material.
The content of the invention
The technical problem to be solved in the present invention is overcome the deficiencies in the prior art, there is provided a kind of structural bearing performance is good, resistance to
Environmental performance is excellent, low-density and the airborne radome composite that high wave transmission rate can be kept in two waveband, also provides
The preparation method of the airborne radome composite.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of airborne radome composite, including face coat, exterior skin layer, laminboard layer and Inner Mongol cortex, it is described
Laminboard layer is located between exterior skin layer and Inner Mongol cortex, and the face coat is coated on the exterior skin layer surface；It is described outer
The thickness of skinning layer is 0.2~1mm；The laminboard layer is made of polymethacrylimide foam, structure in a rectangular trapezoid,
Its short side thickness is 4~30mm, and long side thickness is 4.5mm~34mm；The thickness of the Inner Mongol cortex is 0.2~1mm.
Above-mentioned airborne radome composite, it is preferred that the laminboard layer is polymethacrylimide foam system
Into right-angled trapezium, exterior skin layer is arranged on the hypotenuse of the sandwich of layers, and Inner Mongol cortex is arranged at oblique with the laminboard layer
On the relative right-angle side in side；The short side thickness of the laminboard layer is 4~30mm, short side described in the long side thickness ratio of the laminboard layer
0.5~4mm of thickness；The exterior skin layer and Inner Mongol cortex are the rectangle of uniform uniform thickness.
Above-mentioned airborne radome composite, it is preferred that the face coat include prime coat, anti-weathering enamelled coating and
Antistatic enamelled coating, the anti-weathering enamelled coating are arranged among the prime coat and the antistatic enamelled coating, the prime coat coating
In the exterior skin layer surface.
Above-mentioned airborne radome composite, it is preferred that the material of the prime coat is H01-89, thickness 0.03
±0.01mm；The material of the anti-weathering enamelled coating is SF55-49, and thickness is 0.15 ± 0.02mm；The material of the antistatic enamelled coating
Expect that for SDT99-49, thickness be 0.03~0.05mm.
Above-mentioned airborne radome composite, it is preferred that the exterior skin layer uses fiber cloth reinforced epoxy
System composite；The fiber cloth reinforced epoxy system composite is glued by multi-layer fiber cloth by epoxy-resin systems
Patch forms；The fiber cloth is one kind in quartz fibre plain, quartz fibre twill and quartz fibre satin；It is described
Epoxy-resin systems include epoxy resin and curing agent.It is further preferred that the epoxy resin is LT5089A, curing agent is
LT5089B。
Above-mentioned airborne radome composite, it is preferred that in the exterior skin layer, the exterior skin layer fiber cloth
Volumn concentration be 35%~55%, the volumn concentrations of the epoxy-resin systems is 65%~45%；The ring
In epoxy resin system, the addition of the curing agent is the 30% of epoxy resin quality.
Above-mentioned airborne radome composite, it is preferred that the Inner Mongol cortical material uses fiber cloth reinforced epoxy
Resin system composite；The fiber cloth reinforced epoxy system composite passes through epoxy resin body by multi-layer fiber cloth
It is that stickup forms；The fiber cloth is one kind of quartz fibre plain, quartz fibre twill and quartz fibre satin；Institute
Stating epoxy-resin systems includes epoxy resin and curing agent.It is further preferred that the epoxy resin is LT5089A, curing agent
For LT5089B.
Above-mentioned airborne radome composite, it is preferred that in the Inner Mongol cortex, the Inner Mongol cortex fiber cloth
Volumn concentration be 35%~55%, the volumn concentrations of the epoxy-resin systems is 65%~45%；The ring
In epoxy resin system, the addition of the curing agent is the 30% of epoxy resin quality.
The technical concept total as one, present invention also offers a kind of preparation of above-mentioned airborne radome composite
Method, comprise the following steps：
S1, epoxy-resin systems are made after mixing epoxy resin and curing agent, using the epoxy-resin systems as bonding
Agent, technique is pasted using hand and successively impregnates multi-layer fiber cloth to obtain Inner Mongol cortex prepreg；
S2, sandwich layer material is coated with the Inner Mongol cortex prepreg that step S1 is prepared, pressed；
S3, using vacuum bag press method, the Inner Mongol cortex prepreg is solidified into 4~6h at 50~70 DEG C and obtains sandwich
Layer-Inner Mongol cortex precast body；
S4, epoxy-resin systems are made after mixing epoxy resin and curing agent, using the epoxy-resin systems as bonding
Agent, multi-layer fiber cloth is successively impregnated using hand paste technique in the sandwich layer surface of the laminboard layer-Inner Mongol cortex precast body
To exterior skin layer prepreg；
S5, using vacuum bag press method, by the exterior skin layer prepreg 50~70 DEG C solidify 4~6h obtain exterior skin
Layer-laminboard layer-Inner Mongol cortex precast body；
S6, the exterior skin layer surface sprayed surface coating in exterior skin layer-laminboard layer-Inner Mongol cortex precast body, so
Solidify afterwards, obtain airborne radome composite.
Above-mentioned preparation method, it is preferred that the step S6 specifically includes following steps：
S6-1, the exterior skin layer outer surface spray-applied primer glue in exterior skin layer-laminboard layer-Inner Mongol cortex precast body
Liquid, after the completion of spraying, 24h is dried at room temperature, forms prime coat；
S6-2, in the prime coat outer surface anti-weathering paint glue is sprayed, after the completion of spraying, dry 2h at room temperature, formed
Anti- weathering enamelled coating；
S6-3, in the anti-weathering enamelled coating outer surface even application Anti-static paint glue, after the completion of spraying, dry at room temperature
12h, form antistatic enamelled coating；
S6-4, solidify 8~10h at 60~80 DEG C.
The innovative point of the present invention is：
The airborne radome composite of the present invention, including face coat, exterior skin layer, laminboard layer and Inner Mongol cortex,
Laminboard layer is located between exterior skin layer and Inner Mongol cortex, and face coat is coated on exterior skin layer surface.Wherein exterior skin layer and interior
Skinning layer is to maintain the premise of structural-load-carrying capacity, by the thickness control of exterior skin layer in 0.2~1mm, the thickness of Inner Mongol cortex
Control in 0.2~1mm, on the one hand keep its bearing capacity, meet the requirement of the aerodynamic loading of aircraft；On the other hand can protect
Hold the high wave transmission rate of composite.Laminboard layer is made of polymethacrylimide foam, is being reached reinforced structure, is being mitigated weight
While measuring purpose, additionally it is possible to by being adjusted to the phase up to the back wave of reception antenna so that the reflection wave amplitude of inside and outside covering
Spend equal, opposite in phase, cancel out each other, reach zero reflecting effect, realize and wave transmission rate is kept in different-waveband.The reality of laminboard layer
Border thickness can be designed according to condition of work and the wave transparent requirement of antenna house internal antenna.
In order to further realize that antenna house keeps high wave transmission rate in two waveband, the thickness of sandwich of layers is designed as by the present invention
Non-homogeneous uniform thickness, is specifically designed as ladder structure of right angle by laminboard layer.In the actual application of antenna house, antenna and antenna
The change of cover relative position will cause the change at electromagnetic wave incident angle, and so as to influence the wave transparent performance of antenna house, the present invention passes through
Laminboard layer thickness is designed as non-homogeneous uniform thickness, the change procedure of thickness, the wave transparent performance requirement in different-waveband can be met.
Antenna house is mainly manifested in absorption and reflection to electromagnetic wave to electromagnetic transmission performance impact, and incidence angle and wall thickness then determine
The reflection of electromagnetic wave and transmission proportion, namely the power transfer characteristic of any selected material and the antenna house of structure type
(insertion loss and insertion phase delay IPD) is all the function of incidence angle and thickness.The advantages of laminboard layer is applied is selection one
Determine the low density core of thickness, while reaching reinforced structure, mitigating weight purpose, what is more important connects to be adjusted to reach
Receive the phase of the back wave of antenna so that zero reflective design is possibly realized., can root so when carrying out the thickness design of laminboard layer
According to the condition of work of antenna house internal antenna, optimal core layer thickness is calculated so that the reflection wave amplitude of inside and outside covering
It is equal, opposite in phase, cancel out each other.
Compared with prior art, the advantage of the invention is that：
(1) polymer matrix composites environmental resistance proposed by the present invention is excellent, is examined by actual tests, can tolerate resistance to
High/low temperature, resistance to low pressure, it is resistance to drench with rain, resistance to solar irradiation, prevent damp and hot, mould proof, salt spray proof, resistance to sand dust, resistant to liquid, heatproof-wet-
A variety of environmental conditions such as height, antistatic, rain impact and weathering.
(2) polymer matrix composites integrated carrying ability proposed by the present invention is good, meets the mechanical environment of airborne radome
Loading demands.
(3) due to using laminboard layer thickness design method, polymer matrix composites proposed by the present invention can be in two waveband
Interior holding high wave transmission rate, this is that prior art scheme can not all be realized.In addition, the polymer matrix composites density of the present invention
It is low, product overall weight can be effectively reduced, and then improve equipment payload ratio；Moulded manufacturability is good, and cost is relatively low, the present invention
Polymer matrix composites be it is a kind of be applied to two waveband requirement airborne radome material system, there is wide city
Field prospect.
Brief description of the drawings
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In accompanying drawing, clear, complete description is carried out to the technical scheme in the embodiment of the present invention.
Fig. 1 is the airborne radome composite schematic cross-section of the present invention.
Fig. 2 is obtained airborne radome composite sample photo in the embodiment of the present invention 1.
Marginal data：
In the accompanying drawings, A1, face coat antistatic enamelled coating；A2, face coat anti-weathering enamelled coating；A3, face coat it
Prime coat；B, exterior skin layer；C, laminboard layer；D, Inner Mongol cortex.
Embodiment
Below in conjunction with Figure of description and specific preferred embodiment, the invention will be further described, but not therefore and
Limit the scope of the invention.
Embodiment
Material and instrument employed in following examples are commercially available.H01-89 epoxies wherein as priming paint glue apply
Material, the SF55-49 aliphatic coating as anti-weathering glue, the SDT99-49 aliphatic coating as antistatic glue are purchased from
CNOOC Changzhou Paint ＆ Coatings Industry Research Institute；LT5089A epoxy resin and LT5089B curing agent are purchased from Hui Li resins Co., Ltd；
The trade mark is that ROHACELL 71IG-F PMI foams are purchased from German goldschmidt chemical corporation；The trade mark is respectively Type B-twill -0.20 and B
The quartz fibre twill of type-twill -0.10, purchased from Jing Zhou Fei Lihua quartz glass Co., Ltd.
Embodiment 1：
A kind of airborne radome composite as shown in Figure 1, mainly for the preparation of what is worked in Ka and Ku wave bands
Antenna house.Its structure is：By being outside to inside disposed with face coat A, exterior skin layer B, laminboard layer C, Inner Mongol cortex D, wherein
Laminboard layer C is located between exterior skin layer B and Inner Mongol cortex D, and face coat A is coated on exterior skin layer B surface.
Wherein face coat includes prime coat A3, anti-weathering enamelled coating A2 and antistatic enamelled coating A1, anti-weathering enamelled coating A2 settings
Among prime coat A3 and antistatic enamelled coating A1, prime coat A3 is coated on exterior skin layer B surface.Prime coat thickness is 0.03mm；
Anti- weathering thickness degree is 0.15mm；Antistatic backing thickness is 0.04mm.
Exterior skin layer pastes technique by multilayer quartz fibre using quartz fibre twill as exterior skin layer reinforcing material, by hand
Dimension twill successively impregnates to obtain exterior skin layer prepreg.The composition of exterior skin layer epoxy resin adhesive liquid includes LT5089A rings
Oxygen tree fat (being purchased from Hui Li resins Co., Ltd) and dosage (are purchased for the LT5089B curing agent of LT5089A epoxy resin quality 30%
From Hui Li resins Co., Ltd).The fiber volume percentage composition of exterior skin layer is 45%, thickness 0.5mm.
Laminboard layer uses ROHACELL 71IG-F PMI foams (being purchased from German goldschmidt chemical corporation), by PMI Foam machinings
At a right angle trapezoidal, exterior skin layer is arranged on the hypotenuse of sandwich of layers, and Inner Mongol cortex is arranged at relative with the hypotenuse of laminboard layer straight
On the arm of angle, the short side thickness of laminboard layer is 15.8mm, and the long side thickness of the laminboard layer is 17.2mm.Exterior skin layer and inside panel
Layer is the rectangle of uniform uniform thickness.
Using quartz fibre twill as Inner Mongol cortex reinforcing material, Inner Mongol cortex reinforcing material passes through interior Inner Mongol cortex
Skinning layer is pasted together to form Inner Mongol cortex with resin adhesive liquid.The composition of Inner Mongol cortex resin adhesive liquid includes LT5089A rings
Oxygen tree fat (being purchased from Hui Li resins Co., Ltd) and dosage (are purchased for the LT5089B curing agent of LT5089A epoxy resin quality 30%
From Hui Li resins Co., Ltd).The fiber volume fraction of Inner Mongol cortex is 45%, thickness 0.5mm.
The preparation method of the airborne radome composite of the present embodiment, specifically includes following steps：
1st, Inner Mongol cortex prepreg is prepared：
1.1st, Inner Mongol cortex resin adhesive liquid is prepared：Prepare LT5089A epoxy resin and LT5089B curing agent, according to solid
Agent dosage prepares Inner Mongol cortex resin adhesive liquid for the ratio of resin demand 30%, stand-by.
1.2nd, Inner Mongol cortex reinforcing material is cut：It is Type B-twill -0.20 to cut 2 layers of trade mark according to specimen shape and size
Quartz fibre twill and quartz fibre twill that 1 layer of trade mark is Type B-twill -0.10, as Inner Mongol cortex strengthening material
Material.
1.3rd, hand paste dipping：The quartz fibre twill that 1 layer of trade mark is Type B-twill -0.10 is coated with formpiston, with interior
Skinning layer carries out homogeneous impregnation with resin adhesive liquid；Then it is oblique to be coated with the quartz fibre that 2 layers of trade mark are Type B-twill -0.20 respectively again
Line cloth, often it is coated with 1 layer and just uses resin adhesive liquid homogeneous impregnation, obtain Inner Mongol cortex prepreg, controls fine in the cortex prepreg of Inner Mongol
It is 45% to tie up volume fraction.
2nd, it is coated with laminboard layer：
PMI foams after design and processing are coated with interior skinning layer prepreg, pressing is in place.
3rd, the vacuum bag of Inner Mongol cortex/laminboard layer is cured：
Barrier film, permeable medium and vacuum bag film are coated with successively on interior skinning layer prepreg/laminboard layer, it is solid at 60 DEG C
Change 4h, Inner Mongol cortex is solidified with resin adhesive liquid.After the completion of solidification, vacuum bag film, permeable medium and barrier film are removed successively, and
Finishing processing is carried out to its surface, obtains laminboard layer-Inner Mongol cortex precast body.
4th, exterior skin layer prepreg is prepared：
4.1st, exterior skin layer resin adhesive liquid is prepared：Prepare LT5089A epoxy resin and LT5089B curing agent, according to solid
Agent dosage prepares exterior skin layer resin adhesive liquid for the ratio of resin demand 30%, stand-by.
4.2nd, exterior skin layer reinforcing material is cut：It is Type B-twill -0.20 to cut 2 layers of trade mark according to specimen shape and size
Quartz fibre twill and quartz fibre twill that 1 layer of trade mark is Type B-twill -0.10, as exterior skin layer strengthening material
Material.
4.3rd, hand paste dipping：The quartz fibre twill that 2 layers of trade mark are Type B-twill -0.20 is coated with laminboard layer, often
It is coated with 1 layer and carries out homogeneous impregnation with exterior skin layer with resin adhesive liquid；Then the stone for covering that 1 layer of trade mark is Type B-twill -0.10 is repaved
English fiber twill, exterior skin layer prepreg is obtained, it is 45% to control fiber volume fraction in exterior skin layer prepreg.
5th, the vacuum bag of exterior skin layer is cured：
Barrier film, permeable medium and vacuum bag film successively on outer skinning layer prepreg, solidify 4h at 60 DEG C, make outer illiteracy
Cortex is solidified with resin adhesive liquid.After the completion of solidification, vacuum bag film, permeable medium and barrier film, the demoulding, to exterior skin are removed successively
Layer surface is repaired and grinding process, obtains exterior skin layer-laminboard layer-Inner Mongol cortex precast body.
6th, prepared by face coat：
6.1st, the preparation of prime coat：Prepare epoxy coating H01-89, in outer skinning layer-laminboard layer-Inner Mongol cortex precast body
Exterior skin layer outer surface even application, it is 0.03 ± 0.01mm to control prime coat thickness during spraying, after the completion of spraying, at room temperature
24h is dried, forms prime coat.
6.2nd, prepared by anti-weathering enamelled coating：Prepare the anti-weathering coating SF55-49 of aliphatic, uniformly sprayed in prime coat outer surface
Applying anti-weathering coating, it is 0.15 ± 0.02mm to control anti-weathering thickness degree during spraying, after the completion of spraying, dries 2h at room temperature,
Form anti-weathering enamelled coating.
6.3rd, prepared by antistatic enamelled coating：Prepare aliphatic antistatic backing coating SDT99-49, it is equal in anti-weathering layer outer surface
Even spraying antistatic backing coating, it is 0.03~0.05mm to control antistatic backing thickness during spraying, after the completion of spraying, is dried at room temperature
12h, form antistatic enamelled coating.
6.4th, solidify：Entirety is put into baking oven, solidifies 10h at 60 DEG C, and surface is repaired, and is completed airborne radome and is used
The preparation of composite.
The airborne radome of embodiment 1 is subjected to wave transparent performance detection with composite, testing result is referring to table 1.
Table 1：Airborne radome composite wave transparent performance test results table
As can be seen from Table 1：Airborne radome composite manufactured in the present embodiment is in two wave bands of Ka and Ku
High wave transmission rate is inside all kept, wave transmission rate and cross polarization isolation all meet to require.
The airborne radome of embodiment 1 is subjected to environmental performance detection with composite, testing result is referring to table 2.
Table 2：Airborne radome composite environment performance test results table
It can be seen from the data in Table 2 that the present invention airborne radome composite high-low temperature resistant, resistance to low pressure,
It is resistance to drench with rain, resistance to solar irradiation, the complexity such as anti-damp and hot, mould proof, salt spray proof, resistance to sand dust, resistant to liquid, heatproof-wet-height, antistatic
Environmental condition under, overall structure bearing capacity is good.
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention.Though
So the present invention is disclosed as above with preferred embodiment, but is not limited to the present invention.It is any to be familiar with those skilled in the art
Member, in the case where not departing from the Spirit Essence of the present invention and technical scheme, all using in the methods and techniques of the disclosure above
Appearance makes many possible changes and modifications to technical solution of the present invention, or is revised as the equivalent embodiment of equivalent variations.Therefore,
Every content without departing from technical solution of the present invention, the technical spirit according to the present invention is to made for any of the above embodiments any simple
Modification, equivalent substitution, equivalence changes and modification, still fall within technical solution of the present invention protection in the range of.
Claims (9)
1. a kind of airborne radome composite, it is characterised in that including face coat, exterior skin layer, laminboard layer and Inner Mongol
Cortex, the laminboard layer are located between exterior skin layer and Inner Mongol cortex, and the face coat is coated on the exterior skin layer table
Face；The thickness of the exterior skin layer is 0.2~1mm；The thickness of the Inner Mongol cortex is 0.2~1mm；The laminboard layer is poly- first
Right-angled trapezium made of base acrylimide foam, exterior skin layer are arranged on the hypotenuse of the laminboard layer, and Inner Mongol cortex is set
In on the right-angle side relative with the hypotenuse of the laminboard layer, the short side thickness of the laminboard layer is 4~30mm, the laminboard layer
0.5~4mm of long side thickness ratio short side thickness；The exterior skin layer and Inner Mongol cortex are the rectangle of uniform uniform thickness.
2. airborne radome composite according to claim 1, it is characterised in that the face coat includes priming paint
Layer, anti-weathering enamelled coating and antistatic enamelled coating, the anti-weathering enamelled coating are arranged among the prime coat and the antistatic enamelled coating,
The prime coat is coated on the exterior skin layer surface.
3. airborne radome composite according to claim 2, it is characterised in that the material of the prime coat is
H01-89, thickness are 0.03 ± 0.01mm；The material of the anti-weathering enamelled coating is SF55-49, and thickness is 0.15 ± 0.02mm；Institute
The material for stating antistatic enamelled coating is SDT99-49, and thickness is 0.03~0.05mm.
4. airborne radome composite according to claim 1, it is characterised in that the exterior skin layer uses fiber
Cloth reinforced epoxy system composite；The fiber cloth reinforced epoxy system composite is passed through by multi-layer fiber cloth
Epoxy-resin systems, which are pasted, to be formed；The fiber cloth is quartz fibre plain, quartz fibre twill and quartz fibre satin weave
One kind in cloth；The epoxy-resin systems include epoxy resin and curing agent.
5. airborne radome composite according to claim 4, it is characterised in that described in the exterior skin layer
The volumn concentration of fiber cloth is 35%~55%, and the volumn concentration of the epoxy-resin systems is 65%~45%；
In the epoxy-resin systems, the addition of the curing agent is the 30% of epoxy resin quality.
6. airborne radome composite according to claim 1, it is characterised in that the Inner Mongol cortical material uses
Fiber cloth reinforced epoxy system composite；The fiber cloth reinforced epoxy system composite is by multi-layer fiber cloth
Pasted and formed by epoxy-resin systems；The fiber cloth is quartz fibre plain, quartz fibre twill and quartz fibre
One kind of satin；The epoxy-resin systems include epoxy resin and curing agent.
7. airborne radome composite according to claim 6, it is characterised in that described in the Inner Mongol cortex
The volumn concentration of fiber cloth is 35%~55%, and the volumn concentration of the epoxy-resin systems is 65%~45%；
In the epoxy-resin systems, the addition of the curing agent is the 30% of epoxy resin quality.
A kind of 8. preparation method of airborne radome composite any one of claim 1 to 7, it is characterised in that
Comprise the following steps：
S1, epoxy-resin systems are made after mixing epoxy resin and curing agent, using the epoxy-resin systems as binding agent, adopt
Technique is pasted with hand successively to impregnate multi-layer fiber cloth to obtain Inner Mongol cortex prepreg；
S2, sandwich layer material is coated with the Inner Mongol cortex prepreg that step S1 is prepared, pressed；
S3, method pressed using vacuum bag, the Inner Mongol cortex prepreg is solidified at 50~70 DEG C 4~6h obtain laminboard layer-
Inner Mongol cortex precast body；
S4, epoxy-resin systems are made after mixing epoxy resin and curing agent, using the epoxy-resin systems as binding agent,
The sandwich layer surface of the laminboard layer-Inner Mongol cortex precast body successively impregnates multi-layer fiber cloth to obtain outer illiteracy using hand paste technique
Cortex prepreg；
S5, using vacuum bag press method, by the exterior skin layer prepreg 50~70 DEG C solidify 4~6h obtain exterior skin layer-
Laminboard layer-Inner Mongol cortex precast body；
S6, the exterior skin layer surface sprayed surface coating in exterior skin layer-laminboard layer-Inner Mongol cortex precast body, Ran Hougu
Change, obtain airborne radome composite.
9. preparation method according to claim 8, it is characterised in that the step S6 specifically includes following steps：
S6-1, the exterior skin layer outer surface spray-applied primer glue in exterior skin layer-laminboard layer-Inner Mongol cortex precast body, spray
After the completion of painting, 24h is dried at room temperature, forms prime coat；
S6-2, in the prime coat outer surface anti-weathering paint glue is sprayed, after the completion of spraying, dry 2h at room temperature, form anti-rain
Lose enamelled coating；
S6-3, in the anti-weathering enamelled coating outer surface even application Anti-static paint glue, after the completion of spraying, dry 12h at room temperature,
Form antistatic enamelled coating；
S6-4, solidify 8~10h at 60~80 DEG C.
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| CN106129615B (en) * | 2016-06-29 | 2019-03-26 | 湖北三江航天江北机械工程有限公司 | Wideband wave transparent two-layer compound ceramic radome cover and preparation method thereof |
| CN107834164A (en) * | 2017-11-29 | 2018-03-23 | 中国航空工业集团公司济南特种结构研究所 | A kind of PMI foams strengthen antenna house |
| CN108023180A (en) * | 2017-11-29 | 2018-05-11 | 中国航空工业集团公司济南特种结构研究所 | A kind of antenna house of assorted fibre interlayer |
| CN108258410A (en) * | 2018-01-25 | 2018-07-06 | 合肥驼峰电子科技发展有限公司 | A kind of millimetre-wave radar high temperature resistant wave-permeable antenna house |
| CN108454132B (en) * | 2018-02-02 | 2020-06-12 | 航天特种材料及工艺技术研究所 | Wave-transparent heat-insulation structure and preparation method thereof |
| CN108521016B (en) * | 2018-04-13 | 2020-10-27 | 哈尔滨哈玻拓普复合材料有限公司 | Shipborne radar antenna housing and manufacturing method thereof |
| CN110626521A (en) * | 2019-10-08 | 2019-12-31 | 重庆同汇勘测规划有限公司 | Method for enhancing surface resistance reduction of unmanned aerial vehicle body |
| CN110797626A (en) * | 2019-11-29 | 2020-02-14 | 中国电子科技集团公司第五十四研究所 | Auxiliary surface-adjustable medium supporting device and preparation method thereof |
| TR201921786A1 (en) * | 2019-12-26 | 2021-07-26 | Aselsan Elektronik Sanayi Ve Ticaret Anonim Sirketi | A METHOD FOR MANUFACTURING MULTILAYER CERAMIC STRUCTURES BY HEAT SPRAY |
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