CN106516084B - Radome fairing carbon fibre composite profile and preparation method thereof - Google Patents
Radome fairing carbon fibre composite profile and preparation method thereof Download PDFInfo
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- CN106516084B CN106516084B CN201611033304.3A CN201611033304A CN106516084B CN 106516084 B CN106516084 B CN 106516084B CN 201611033304 A CN201611033304 A CN 201611033304A CN 106516084 B CN106516084 B CN 106516084B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64C—AEROPLANES; HELICOPTERS
- B64C7/00—Structures or fairings not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
- B29C70/04—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts comprising reinforcements only, e.g. self-reinforcing plastics
- B29C70/28—Shaping operations therefor
- B29C70/30—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core
- B29C70/34—Shaping by lay-up, i.e. applying fibres, tape or broadsheet on a mould, former or core; Shaping by spray-up, i.e. spraying of fibres on a mould, former or core and shaping or impregnating by compression, i.e. combined with compressing after the lay-up operation
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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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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/04—Punching, slitting or perforating
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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
- B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
- B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
- B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
- B32B5/26—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it also being fibrous or filamentary
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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
- B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
- B32B7/04—Interconnection of layers
- B32B7/08—Interconnection of layers by mechanical means
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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
- B32B2250/00—Layers arrangement
- B32B2250/20—All layers being fibrous or filamentary
-
- 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
-
- 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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/103—Metal fibres
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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
- B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
- B32B2262/10—Inorganic fibres
- B32B2262/106—Carbon fibres, e.g. graphite fibres
-
- 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
- B32B2605/00—Vehicles
- B32B2605/18—Aircraft
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- 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
- Y02T50/40—Weight reduction
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- Mechanical Engineering (AREA)
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- Composite Materials (AREA)
- Laminated Bodies (AREA)
Abstract
The present invention discloses radome fairing carbon fibre composite profile, including carbon fibre composite profile ontology, offers leakage hole on the carbon fibre composite profile ontology；Carbon fibre composite includes several layers carbon fiber layer, several layers base layer of resin, copper mesh layers；One layer of copper mesh layers setting is arranged below copper mesh layers and is successively staggered in outermost, base layer of resin, carbon fiber layer；There is water blocking cloth in the outer side covering of the leakage hole；The water blocking cloth is entirely glued on the periphery on the outside of the leakage hole and inner wall.Invention additionally discloses the methods for preparing radome fairing carbon fibre composite profile.The present invention prevents in electrostatic precipitator, lightning stroke attachment point and traditional carbon fibre composite are integrally formed, quickly, efficiently prevents around leakage hole and its advantages of the generation of inner wall corrosion phenomenon.
Description
Technical field
The present invention relates to dome technology field more particularly to radome fairing carbon fibre composite profile and its preparation sides
Method.
Background technique
Radome fairing is for protecting satellite and other payload, to prevent load by aerodynamic force, Aerodynamic Heating and sound and vibration etc.
The influence of hostile environment.
The radome fairing of the prior art is by carrying out flame spurt Aluminium on its surface, to prevent in electrostatic precipitator.But this method is easy
Pollution, and the price of aluminium is high and big by radome fairing its weight after flame spurt Aluminium.
Patent application 201620136405.2 discloses a kind of airplane tail group radome fairing, increases lightning stroke attachment by copper mesh
Point.Copper material itself has good electric conductivity, and price is relatively inexpensive, and this method is also pollution-free.But the patent is logical
It crosses and is directly laid with copper mesh in cowling surface, after there is installation trouble, installation forming, the goodness of fit of copper mesh and rectification hood shape is not
Height, the big deficiency of possessive volume；In addition, mutual being firmly combined is also to be improved.
Radome fairing is chronically exposed in outside air, inside can occur a certain amount of ponding, ponding accumulates in for a long time
In radome fairing, load or radome fairing itself can be corroded.Therefore, the prior art is on radome fairing often through being arranged leakage hole,
Realize the outflow of ponding.
Since its surface of many radome fairings is prepared using carbon fibre composite, when ponding flows out, can immerse to carbon fiber
In composite material, the adhesiveness in carbon fiber complex system between resin layer and fibrous layer is destroyed, its interface interaction is reduced, thus
Corrosion surface.
Some researchers, will using the barrier effect of water blocking cloth by covering one layer of water blocking cloth on the surface of leakage hole
Carbon fibre composite and water segregation reduce the probability that surface is corroded.But since the appearance of corrosion not only occurs on rectification
The outer surface of cover is still likely to occur corrosion phenomenon on the inner wall of leakage hole.
And the prior art, it is unable to satisfy while the water blocking cloth smooth in the outer side covering of the inner wall of leakage hole, leakage hole.Than
Such as, if first guaranteeing, the water blocking cloth on leakage hole inner wall is smooth, certainly will be because of external force when smoothing the water blocking cloth on the outside of leakage hole
By the water blocking cloth being just glued on leakage hole inner wall remove so that occur between water blocking cloth and leakage hole inner wall class this in bubbling
Hollow area is split at edge of the water blocking cloth in conjunction with leakage hole inner wall, causes binding strength between the two to reduce, gear
Water cloth is easy to fall off.In addition, although water blocking cloth can play the role of waterproof, the institutional framework of cloth such as plain weave, twill
Tissue, satin weave, warp knit, weft knitting determine that it has gap, cannot be entirely limited water and immerse in cloth, when water immersion water blocking cloth
Into after hollow area, can rest on for a long time in hollow layer region, corrosion material.And first guarantee the water blocking cloth on the outside of leakage hole
It is smooth, rear water blocking cloth smooth the problem of will cause as described above guaranteed on leakage hole inner wall.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides prevent in electrostatic precipitator, will be struck by lightning attachment point and traditional carbon fiber
Composite material integral formed, quickly, efficiently prevent around leakage hole and its inner wall corrosion phenomenon occur.The strong rectification of binding strength
Cover carbon fibre composite profile and preparation method thereof.
The present invention is realized by following technological means solves above-mentioned technical problem: radome fairing carbon fibre composite type
Material, including carbon fibre composite profile ontology offer leakage hole on the carbon fibre composite profile ontology；The carbon
Fibrous composite profile ontology includes several layers carbon fiber layer, several layers base layer of resin, one layer of copper mesh layers；One layer of copper mesh
Layer setting is arranged below copper mesh layers and is successively staggered in outermost, base layer of resin, carbon fiber layer；In the leakage hole
Outer side covering has water blocking cloth；The water blocking cloth is entirely glued on the periphery on the outside of the leakage hole and inner wall.
Preferably: the base layer of resin includes epoxy resin, ABS resin, silicon rubber, fluorubber, one in butyl rubber
Kind.
Preferably: the material of the water blocking cloth is glass fibre, polyester fiber, PVC fiber, polyurethane fiber, asphalt mixtures modified by epoxy resin
The one or more of rouge fiber, polypropylene fibre.
Preferably: the several layers carbon fiber layer includes polyacrylonitrile-radical active carbon fiber felt, phenolic resin based activated carbon fiber
Felt, viscose base activated carbon fiber felt, asphalt activity carbon fiber felt, cellulose base active carbon fiber felt, polyacrylonitrile-radical activity
Carbon cloth, phenolic resin based activated carbon fiber cloth, viscose base activated carbon fiber cloth, asphalt activity carbon fiber cloth, cellulose base are living
The one or more of property carbon cloth.
Prepare the above-mentioned radome fairing method of carbon fibre composite profile, comprising the following steps:
(1) impregnation: several pieces of carbon fiber sheets are immersed into resin adhesive liquid；
(2) laying: by several pieces of carbon fiber sheets, one layer of copper mesh, successively laying guarantees that copper mesh is located at outermost layer on mold；
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, vacuumize process is carried out；
(4) it is formed: step (3) composite material being heated, pressurized treatments；
(5) open-drain water hole: the surface of the composite material of step (4) is punched；
(6) outside for being covered on leakage hole on one side of bonding agent leak sealing water hole: will be coated in water blocking cloth；Or in leakage hole
Inner wall, on the outside of leakage hole around be coated with bonding agent, then water blocking cloth is covered on to the outside of leakage hole；It will be in water blocking cloth
A part imports in leakage hole, smooths, it is entirely glued to guarantee that the inner wall of leakage hole is imported into water blocking cloth therein completely；It will lead
It is imported in leakage hole to stick, guarantees the water blocking cloth holder imported in leakage hole between leakage hole inner wall and the side wall of guide rod；
It is placed on remainder in the water blocking cloth on the outside of leakage hole and smooths periphery on the outside of leakage hole；Take out guide rod.
Preferably: identical as the depth of the leakage hole in the guide rod length；It is arranged in the end of the guide rod
There is positive stop strip, the positive stop strip is detachably connected with the guide rod.
Preferably: being coated with release agent or smooth agent on the surface of the guide rod.
Preferably: the heating temperature of the step (4) is 200~230 DEG C, pressure is 5~8 atmospheric pressure.
Preferably: the step (3) is evacuated to 1.0E-3Pa~5.0E-3Pa.
Preferably: the bonding agent include polyurethane, epoxy resin, ABS resin, silicon rubber, fluorubber, in butyl rubber
One kind.
The present invention has the advantages that
The present invention by by copper mesh layers and traditional carbon fibre composite using integral in conjunction with integrally formed mode,
By copper mesh firmly laying on the surface of carbon fibre composite.On the one hand dome structure of the invention utilizes the good of copper material
Good electric conductivity conducts charge by copper material, prevents the appearance of thunder-strike phenomenon；On the other hand, due in the tooling stage, by copper mesh with
Laying, integrated molding improve binding strength to carbon fibre composite simultaneously.
The present invention is when the water blocking cloth to scupper outer periphery smooths, due to the water blocking cloth quilt in scupper inner wall
Guide rod side wall is pressed in scupper inner wall, and the water blocking cloth in scupper inner wall will not occur to cause to leak because external force is smoothed
Water blocking cloth in the inner wall of the mouth of a river is torn, its adhesiveness between scupper inner wall is promoted to decline, and then from scupper inner wall
The problem of upper removing.The present invention can be realized water blocking cloth while entirely be bonded in scupper inner wall, the periphery on the outside of scupper
On.
Further, the setting of positive stop strip, (1) is directed into leakage hole simultaneously completely in guarantee guide rod, and is prevented because leading
Further deeply the end of guide rod is contradicted to water blocking cloth to stick, causes water blocking cloth by external force and shelled from scupper inner wall
From；(2) before smoothing the water blocking cloth of scupper outer periphery, positive stop strip is disassembled, is avoided because of positive stop strip shield portions water blocking
Cloth and influence to smooth go on smoothly；It after smoothing, installs again, guide rod is facilitated to transfer to from leakage hole.
Further, release agent or smooth agent are coated on the surface of the guide rod.Release agent that the present invention uses or
Person's smooth agent is the prior art.The smoothness that guide rod surface is improved by release agent or smooth agent, is inserted convenient for guide rod
Enter into leakage hole, can also prevent when dialling guide rod, since part bonding agent penetrates water blocking cloth, is bonded on guide rod, causes
Take out guide rod difficult.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the present invention after the inner wall that water blocking cloth is entirely glued at leakage hole, and guide rod is not inserted into leakage hole state
Under structural schematic diagram.
Fig. 3 is that positive stop strip is mounted on the structural schematic diagram under guide rod state for the first time in the present invention.
Fig. 4 is that water blocking cloth is entirely glued at the structural schematic diagram under the outer periphery state of leakage hole in the present invention.
Fig. 5 is that positive stop strip is mounted on the structural schematic diagram under guide rod state for the second time in the present invention.
Fig. 6 is the structural schematic diagram after edge sealing of the present invention.
Specific embodiment
To further describe the present invention, it is described further below with reference to embodiment.
Embodiment 1
As shown in Figs. 1-2, the present embodiment discloses a kind of radome fairing carbon fibre composite profile, including carbon fiber is compound
Material profile ontology 1 offers leakage hole on carbon fibre composite profile ontology 1.Carbon fibre composite profile ontology 1
Material is carbon fibre composite.Carbon fibre composite includes 4, one layers of several layers carbon fiber layer 3, several layers base layer of resin copper
Stratum reticulare 5.Copper mesh layers 5, base layer of resin 4, carbon fiber layer 3 are by being successively staggered within outer.Copper mesh layers 5 are located at outermost layer, certainly
Carbon fiber layer 3 or 4 layers of base layer of resin each may lie in innermost layer.If carbon fiber layer 3 is located at outermost layer, outermost carbon fiber
Tie up 3 single layer impregnation of layer.
There is water blocking cloth 6 in the outer side covering of leakage hole.Water blocking cloth 6 is entirely glued at periphery on the outside of leakage hole and interior
On wall.
The present invention prepares radome fairing carbon fibre composite profile by following steps:
(1) impregnation: several layers carbon fiber layer 3 is immersed into resin adhesive liquid.
(2) laying: by 3, one layers of copper mesh layers 5 of carbon fiber layer, successively cross laminates guarantee that copper mesh layers 5 are located at most on mold
Outer layer；Base layer of resin, carbon fiber layer are arranged below copper mesh layers and are successively staggered.The present invention is according to rectification hood shape, rule
The actual needs of the parameters such as lattice manufactures or selects corresponding mold.
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, is vacuumized.
(4) it is formed: step (3) composite material is handled in the case where heating pressurized environment.
(5) open-drain water hole: the surface of the composite material of step (4) is punched.
As shown in figures 2-6, it (6) leak sealing water hole: is covered on the outer of leakage hole on one side by be coated with bonding agent 8 in water blocking cloth 7
Side；In order to avoid bonding agent blocks leakage hole, causes ponding that cannot smoothly flow out from leakage hole, in coating adhesive, keeping off
One piece of non-coating adhesive region is reserved in water cloth 7, which stretches to leakage hole bosom.In addition, the present invention can also leak
It is coated with bonding agent 8 around on the outside of the inner wall in water hole, leakage hole, then water blocking cloth 7 is covered on to the outside of leakage hole；By glass
A part in woven cloth imports in leakage hole, smooths, guarantees that the inner wall of leakage hole is imported into water blocking cloth 7 therein completely
It is entirely glued；Will guide rod 9 import leakage hole in, guarantee import leakage hole in water blocking cloth 7 be clamped in leakage hole inner wall with
Between the side wall of guide rod；It is placed on remainder in the water blocking cloth 7 on the outside of leakage hole and smooths periphery on the outside of leakage hole, i.e.,
It smooths on the outer wall of radome fairing 1；Guide rod 9 is taken out, finished product is obtained.
Since water blocking cloth has gap, in order to further ensure ponding can smoothly send non-coating adhesive region to flow out, such as
Shown in Fig. 6, one can be cut on non-coating adhesive region in advance for the hole of leak or is glued at leak in water blocking cloth
After the inner wall in hole, after guide rod is extracted, then in non-coating adhesive regional opening.
The present invention by by copper mesh layers and traditional carbon fibre composite using integral in conjunction with integrally formed mode,
By copper mesh firmly laying on the surface of carbon fibre composite.One aspect of the present invention utilizes the satisfactory electrical conductivity of copper material, passes through
Copper material conducts charge, prevents the appearance of thunder-strike phenomenon；On the other hand, due in the tooling stage, by copper mesh and carbon fiber composite
Laying, integrated molding improve binding strength to material simultaneously.
The present invention is when the water blocking cloth to scupper outer periphery smooths, due to the water blocking cloth quilt in scupper inner wall
Guide rod side wall is pressed in scupper inner wall, and the water blocking cloth in scupper inner wall will not occur to lead to leak because smoothing external force
Water blocking cloth in mouth inner wall is torn, and promotes its adhesiveness between scupper inner wall to decline, and then from scupper inner wall
The problem of removing.The present invention can be realized water blocking cloth while entirely be bonded in scupper inner wall, on the periphery on the outside of scupper.
In some embodiments: base layer of resin include epoxy resin, ABS resin, silicon rubber, fluorubber, in butyl rubber
One kind.
In some embodiments: the material of water blocking cloth is glass fibre, polyester fiber, PVC fiber, polyurethane fiber, ring
The one or more of oxygen resin fibre, polypropylene fibre.Certainly, the base that water blocking cloth 2 of the invention can be limited further as the prior art
In the waterproof cloth of hydrophobic fiber preparation.
In some embodiments: several layers carbon fiber layer includes polyacrylonitrile-radical active carbon fiber felt, phenolic resin based activated carbon
Fibrofelt, viscose base activated carbon fiber felt, asphalt activity carbon fiber felt, cellulose base active carbon fiber felt, polyacrylonitrile-radical
Activated carbon fiber cloth, phenolic resin based activated carbon fiber cloth, viscose base activated carbon fiber cloth, asphalt activity carbon fiber cloth, cellulose
The one or more of based activated carbon fiber cloth.
Embodiment 2
The present embodiment, which discloses, a kind of prepares the above-mentioned radome fairing method of carbon fibre composite profile, including following step
It is rapid:
(1) impregnation: five polyacrylonitrile-radical activated carbon fiber cloths are immersed into the glue of epoxide-resin glue.Wherein epoxy
The mass ratio of epoxy resin and dicy-curing agent is 1:1 in resin adhesive liquid.
(2) laying: by polyacrylonitrile-radical activated carbon fiber cloth, one layer of copper mesh, successively cross laminates guarantee copper on mold
Net is located at outermost layer；Base layer of resin, carbon fiber layer are arranged below copper mesh layers and are successively staggered；
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, is evacuated to
1.0E-3Pa。
(4) be formed: by step (3) composite material 200 DEG C, pressure be 5 atmospheric pressure in the environment of handle 2h.
(5) open-drain water hole: the surface of the composite material of step (4) is punched.
(6) it leak sealing water hole: is covered on leakage hole on one side by be coated with epoxy resin adhesive in fiberglass woven woven fabric
Outside；A part in fiberglass woven woven fabric is imported in leakage hole, smooths, guarantees that the inner wall of leakage hole is imported into it completely
In water blocking cloth it is entirely glued；Guide rod is imported in leakage hole, guarantees the water blocking cloth holder imported in leakage hole in leak
Between hole inner wall and the side wall of guide rod；Remainder in the water blocking cloth on the outside of leakage hole is placed on to smooth on the outside of leakage hole
Periphery smooths on the outer wall of radome fairing；Take out guide rod.
Embodiment 3
The present embodiment, which discloses, a kind of prepares the above-mentioned radome fairing method of carbon fibre composite profile, including following step
It is rapid:
(1) impregnation: by three pieces asphalt activity carbon fiber felt, two panels viscose base activated carbon fiber felt to epoxy resin adhesive liquid
In.Wherein the mass ratio of epoxy resin and DDS curing agent is 1:0.9 in epoxy resin adhesive liquid.
(2) laying: successively by three pieces asphalt activity carbon fiber felt, two panels viscose base activated carbon fiber felt, one layer of copper mesh
Cross laminates guarantee that copper mesh is located at outermost layer on mold；Base layer of resin, carbon fiber layer are arranged below copper mesh layers and successively hand over
Mistake setting.
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, is evacuated to
3.0E-3Pa。
(4) be formed: by step (3) composite material 220 DEG C, pressure be 6 atmospheric pressure in the environment of handle 30min.
(5) open-drain water hole: the surface of the composite material of step (4) is punched.
(6) it leak sealing water hole: is covered on leakage hole on one side by be coated with fluororubber binding agent in polyurethane fiber woven fabric
Outside；A part in glass polyurethane woven fabric is imported in leakage hole, smooths, guarantees that the inner wall of leakage hole is imported into it completely
In water blocking cloth it is entirely glued；Guide rod is imported in leakage hole, guarantees the water blocking cloth holder imported in leakage hole in leak
Between hole inner wall and the side wall of guide rod；Remainder in the water blocking cloth on the outside of leakage hole is placed on to smooth on the outside of leakage hole
Periphery smooths on the outer wall of radome fairing；Take out guide rod.
Embodiment 4
The present embodiment, which discloses, a kind of prepares the above-mentioned radome fairing method of carbon fibre composite profile, including following step
It is rapid:
(1) impregnation: a piece of viscose base activated carbon fiber felt, two panels phenolic resin based activated carbon fiber cloth are immersed to ABS resin
In bonding agent.
(2) laying: successively by a piece of viscose base activated carbon fiber felt, two panels phenolic resin based activated carbon fiber cloth, one layer of copper mesh
Cross laminates guarantee that copper mesh is located at outermost layer on mold；Base layer of resin, carbon fiber layer are arranged below copper mesh layers and successively hand over
Mistake setting.
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, is evacuated to
5.0E-3Pa。
(4) be formed: by step (3) composite material 260 DEG C, pressure be 8 atmospheric pressure in the environment of handle 3h.
(5) open-drain water hole: the surface of the composite material of step (4) is punched.
(6) it leak sealing water hole: is covered on the outer of leakage hole on one side by be coated with silicon rubber bonder in polyester fiber woven fabric
Side；A part in polyester fiber woven fabric is imported in leakage hole, smooths, guarantees that the inner wall of leakage hole is imported into wherein completely
Water blocking cloth it is entirely glued；Guide rod is imported in leakage hole, guarantees the water blocking cloth holder imported in leakage hole in leakage hole
Between inner wall and the side wall of guide rod；It is placed on remainder in the water blocking cloth on the outside of leakage hole and smooths week on the outside of leakage hole
Side smooths on the outer wall of radome fairing；Take out guide rod.
Embodiment 5
The present embodiment, which discloses, a kind of prepares the above-mentioned radome fairing method of carbon fibre composite profile, including following step
It is rapid:
(1) impregnation: three pieces polyacrylonitrile-radical activated carbon fiber cloth is immersed into fluororubber binding agent.
(2) laying: by three pieces polyacrylonitrile-radical activated carbon fiber cloth, one layer of copper mesh, successively cross laminates are protected on mold
Card copper mesh is located at outermost layer；Base layer of resin, carbon fiber layer are arranged below copper mesh layers and are successively staggered.
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, is evacuated to
4.0E-3Pa。
(4) be formed: by step (3) composite material 230 DEG C, pressure be 7 atmospheric pressure in the environment of handle 5h.
(5) open-drain water hole: the surface of the composite material of step (4) is punched.
(6) it leak sealing water hole: is covered on leakage hole on one side by be coated with epoxy resin adhesive in fiberglass woven woven fabric
Outside；A part in fiberglass woven woven fabric is imported in leakage hole, smooths, guarantees that the inner wall of leakage hole is imported into it completely
In water blocking cloth it is entirely glued；Guide rod is imported in leakage hole, guarantees the water blocking cloth holder imported in leakage hole in leak
Between hole inner wall and the side wall of guide rod；Remainder in the water blocking cloth on the outside of leakage hole is placed on to smooth on the outside of leakage hole
Periphery smooths on the outer wall of radome fairing；Take out guide rod.
Embodiment 6
As shown in figures 2-6, the present embodiment discloses a kind of radome fairing carbon fibre composite profile scupper Edge-sealing assembly,
Including radome fairing leakage hole, guide rod 9, water blocking cloth 7.Water blocking cloth is entirely glued at periphery and inner wall on the outside of leakage hole
On.Guide rod can be inserted into the leakage hole for being covered with water blocking cloth.
Preferably, identical as the depth of the leakage hole in 9 length of guide rod；It is provided in the end of guide rod 9
Positive stop strip 10, the positive stop strip 10 are detachably connected with the guide rod 9.
The effect of positive stop strip: (1) guaranteeing guide rod be completely directed into leakage hole simultaneously, and preventing because guide rod is into one
Step contradicts the end of guide rod to water blocking cloth, causes water blocking cloth by external force and removes from scupper inner wall；(2) exist
Before the water blocking cloth for smoothing scupper outer periphery, positive stop strip is disassembled, avoids influencing because of positive stop strip shield portions water blocking cloth
What is smoothed goes on smoothly；It after smoothing, installs again, guide rod is facilitated to transfer to from leakage hole.Guide rod and positive stop strip of the present invention
Preferably it is threadedly coupled.
Preferably, the outer diameter of guide rod is equal to the internal diameter for being covered with the scupper after water blocking cloth.
Preferably, release agent (being not drawn into figure) is coated on the surface of the guide rod.The release agent that the present invention uses
Or smooth agent is the prior art.The smoothness that guide rod surface is improved by release agent or smooth agent, is convenient for guide rod
It is inserted into leakage hole, can also prevent when dialling guide rod, since part bonding agent penetrates water blocking cloth, be bonded on guide rod,
Guide rod is caused to take out difficult.
The above is only the preferred embodiments of the invention, are not intended to limit the invention creation, all in the present invention
Made any modifications, equivalent replacements, and improvements etc., should be included in the guarantor of the invention within the spirit and principle of creation
Within the scope of shield.
Claims (10)
1. radome fairing carbon fibre composite profile, including carbon fibre composite profile ontology, the carbon fiber composite
Leakage hole is offered on material profile ontology；It is characterized by: the carbon fibre composite profile ontology includes several layers carbon fiber
Tie up layer, several layers base layer of resin, one layer of copper mesh layers；One layer of copper mesh layers are arranged in outermost, and base layer of resin, carbon fiber layer are set
It sets below copper mesh layers and is successively staggered；There is water blocking cloth in the outer side covering of the leakage hole；The water blocking cloth is entirely
On the periphery being glued on the outside of the leakage hole and inner wall.
2. radome fairing according to claim 1 carbon fibre composite profile, it is characterised in that: the base layer of resin packet
Include one of epoxy resin, ABS resin, silicon rubber, fluorubber, butyl rubber.
3. radome fairing according to claim 1 carbon fibre composite profile, it is characterised in that: the material of the water blocking cloth
Matter is the one or more of glass fibre, polyester fiber, PVC fiber, polyurethane fiber, epoxy resin fiber, polypropylene fibre.
4. radome fairing according to claim 1 carbon fibre composite profile, it is characterised in that: the several layers carbon fiber
Dimension layer includes polyacrylonitrile-radical active carbon fiber felt, phenolic resin based activated carbon fiber felt, viscose base activated carbon fiber felt, asphaltic base work
Property carbon fiber felt, cellulose base active carbon fiber felt, polyacrylonitrile-radical activated carbon fiber cloth, phenolic resin based activated carbon fiber cloth, viscous
The one or more of matrix activated carbon fiber cloth, asphalt activity carbon fiber cloth, cellulose base activated carbon fiber cloth.
5. the method for preparing radome fairing carbon fibre composite profile according to any one of claims 1-4, feature exist
In, comprising the following steps:
(1) impregnation: several pieces of carbon fiber sheets are immersed into resin adhesive liquid；
(2) laying: by several pieces of carbon fiber sheets, one layer of copper mesh, successively laying guarantees that copper mesh is located at outermost layer on mold；Resin
Base, carbon fiber layer are arranged below copper mesh layers and are successively staggered；
(3) it vacuumizes: the composite material of step (2) middle berth poststack being placed under vacuum conditions, vacuumize process is carried out；
(4) it is formed: step (3) composite material being heated, pressurized treatments；
(5) open-drain water hole: the surface of the composite material of step (4) is punched；
(6) outside for being covered on leakage hole on one side of bonding agent leak sealing water hole: will be coated in water blocking cloth；Or in leakage hole
It is coated with bonding agent around on the outside of wall, leakage hole, then water blocking cloth is covered on to the outside of leakage hole；By one in water blocking cloth
Divide and import in leakage hole, smooths, it is entirely glued to guarantee that the inner wall of leakage hole is imported into water blocking cloth therein completely；By guide rod
It imports in leakage hole, guarantees the water blocking cloth holder imported in leakage hole between leakage hole inner wall and the side wall of guide rod；It will set
Remainder smooths the periphery on the outside of leakage hole in water blocking cloth on the outside of leakage hole；Take out guide rod.
6. the method according to claim 5 for preparing radome fairing carbon fibre composite profile, it is characterised in that: in institute
It is identical as the depth of the leakage hole to state guide rod length；The end of the guide rod is provided with positive stop strip, the positive stop strip
It is detachably connected with the guide rod.
7. the method according to claim 5 for preparing radome fairing carbon fibre composite profile, it is characterised in that: in institute
The surface for stating guide rod is coated with release agent or smooth agent.
8. the method according to claim 5 for preparing radome fairing carbon fibre composite profile, it is characterised in that: described
The heating temperature of step (4) is 200~230 DEG C, pressure is 5~8 atmospheric pressure.
9. the method according to claim 5 for preparing radome fairing carbon fibre composite profile, it is characterised in that: described
Step (3) is evacuated to 1.0E-3Pa~5.0E-3Pa.
10. the method according to claim 5 for preparing radome fairing carbon fibre composite profile, it is characterised in that: institute
Stating bonding agent includes one of polyurethane, epoxy resin, ABS resin, silicon rubber, fluorubber, butyl rubber.
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| CN111070722B (en) * | 2018-10-19 | 2021-10-22 | 哈尔滨工业大学 | Preparation method of lightning protection composite material based on heat insulation and insulation mechanism |
| CN110466737A (en) * | 2019-08-19 | 2019-11-19 | 西安长峰机电研究所 | A kind of composite material nose fairing |
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| CN202130570U (en) * | 2011-05-16 | 2012-02-01 | 湖北航天技术研究院总体设计所 | Aircraft cowling shell |
| CN102458839A (en) * | 2009-04-14 | 2012-05-16 | 克莱博格橡胶股份有限公司 | Composite components and heat-curing resins and elastomers |
| CN205418067U (en) * | 2016-02-23 | 2016-08-03 | 哈尔滨飞机工业集团有限责任公司 | Aircraft afterbody radome fairing |
| CN206537490U (en) * | 2016-11-23 | 2017-10-03 | 安徽佳力奇碳纤维科技股份公司 | Radome fairing carbon fibre composite section bar and radome fairing scupper Edge-sealing assembly |
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| JP4891550B2 (en) * | 2005-02-10 | 2012-03-07 | 独立行政法人科学技術振興機構 | N-type transistor, n-type transistor sensor, and n-type transistor channel manufacturing method |
| ES2369451B1 (en) * | 2008-12-29 | 2012-10-15 | Airbus Operations, S.L. | MEAT SYSTEM FOR AIRCRAFT HORIZONTAL STABILIZER AND INSTALLATION PROCEDURE OF SUCH SYSTEM. |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102458839A (en) * | 2009-04-14 | 2012-05-16 | 克莱博格橡胶股份有限公司 | Composite components and heat-curing resins and elastomers |
| CN202130570U (en) * | 2011-05-16 | 2012-02-01 | 湖北航天技术研究院总体设计所 | Aircraft cowling shell |
| CN205418067U (en) * | 2016-02-23 | 2016-08-03 | 哈尔滨飞机工业集团有限责任公司 | Aircraft afterbody radome fairing |
| CN206537490U (en) * | 2016-11-23 | 2017-10-03 | 安徽佳力奇碳纤维科技股份公司 | Radome fairing carbon fibre composite section bar and radome fairing scupper Edge-sealing assembly |
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Address after: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee after: Anhui jialiqi Advanced Composite Technology Co.,Ltd. Address before: 234000 Chaoyang Road 169, Suzhou High-tech Industrial Park, Anhui Province Patentee before: ANHUI JIALIQI AEROSPACE CARBON FIBER Co.,Ltd. |