CN104311846B - A kind of manufacture method of high-precision continuous fiber reinforced composite materials - Google Patents
A kind of manufacture method of high-precision continuous fiber reinforced composite materials Download PDFInfo
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- CN104311846B CN104311846B CN201410523505.6A CN201410523505A CN104311846B CN 104311846 B CN104311846 B CN 104311846B CN 201410523505 A CN201410523505 A CN 201410523505A CN 104311846 B CN104311846 B CN 104311846B
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Abstract
A kind of manufacture method of high-precision continuous fiber reinforced composite materials, is carried out according to the following steps:(1)Prepare resin organic solvent solution;(2)Nano material and emulsifying agent are dissolved in organic solvent dispersion soln is made;(3)Obtain Solution Under Ultrasound Treatment;(4)Obtain nano-composite fiber prefabricated body;(5)Using nano-composite fiber prefabricated body as reinforcing material, it is made using composite material process planning with high-precision continuous fiber reinforced composite materials.The present invention suppresses the cure shrinkage of resin matrix using nano material, improves the form accuracy and dimensional accuracy of composite, and required equipment is simple, and technological operation is convenient, available for various kinds of resin based composites system and moulding process.Resin matrix is strengthened by nano material, composite bending property and interlaminar shear strength is improved 50%, glass transition temperature(Tg)Improve 80 DEG C.
Description
Technical field
The invention belongs to polymer matrix composite production field, and in particular to a kind of high-precision continuous lod is answered
The manufacture method of condensation material.
Background technology
The specific strength and specific modulus of advanced polymer matrix composite are high, and designability is strong, and fatigue resistance is good, corrosion-resistant,
There is good electromagnetic performance and wave-absorbing and camouflage function simultaneously and suitable for large area global formation, thus extensive use
In Aeronautics and Astronautics and auto industry.In recent years, the high-tech sector such as market competition and Aeronautics and Astronautics in order to adapt to fierceness is used
The requirement of composite, countries in the world start to develop high-performance composite materials by guideline of performance/cost balance, including
Using the moulding process of new material, exploitation with reduction production cost potentiality etc., final goal is given birth to cheap method
Output meets the product of performance requirement.Structure integration is the important channel for realizing composite cost degradation, can be effective
The quantity of connector is reduced, follow-up installation time and cost is reduced, but global formation composite is produced in the curing process
Residual stress, makes it in terms of shape and size and the structure of initial design generates larger deviation, and follow-up connection is filled
With totally unfavorable influence is caused, even result in composite element and go out of use, this is to cause composite cost to remain high
One of major reason.
Cause the reason for polymer matrix composites curing deformation has three aspects:(1)In the curing process, due to resin prepolymer
Intermolecular force between body is changed into chemical bond and causes resin matrix volume contraction;(2)Composite and mold hot are swollen
Swollen coefficient is inconsistent;(3)Resin matrix and reinforcing fiber thermal coefficient of expansion are inconsistent.Wherein, body of the resin matrix in solidification
It is to cause composite to produce warpage and the most basic reason of resilience after demoulding that product, which is shunk, and traditional solution is a large amount of
Optimize composite curing cycle on the basis of experiment and by changing die face compensating property amendment, to control or offset
Deformation extent, both approaches all inevitably consume a large amount of man-hours and material.For example, Chinese patent application
CN201310208339, Jia Lijie etc.,《The simulation method of carbon fiber enhancement resin base composite material machining deformation》, it is led
Feature is wanted to include:(a)Modeling parameters are inputted in ANSYS softwares, geometrical model is set up;(b)Using solid185 units to step
Suddenly a) the middle geometrical model set up carries out mesh generation, sets up FEM model, and FEM model application is constrained;(c)Mould
Intend autoclave technique, calculate the curing deformation value of composite, extract strain and stress distribution cloud atlas;(d)Using method of killing activating elements
Analog composite material machining process, the machining deformation of composite after being machined;(e)Calculate composite after machining
Machining deformation value.Above method is based primarily upon to the numerical Simulation Prediction temperature field of composite material process planning process and solidification
The distribution situation of field is spent, and then forecasts the curing deformation behavior of composite, does not consider that resin matrix is solidifying and had been stripped
The volume contraction and residual stress situation of middle experience.
The content of the invention
It is an object of the invention to propose a kind of continuous lod composite wood with high form accuracy and dimensional accuracy
Expect manufacture method, resin matrix is strengthened by adding nano material, its volume contraction in the curing process is reduced, subtracts
Few heat of the composite in cooling and knockout course between resin matrix and reinforcing fiber and between composite and mould
Coefficient of expansion gap, reduces composite inner residual stress, fundamentally reduces polymer matrix composites curing deformation degree.
The method of the present invention is carried out according to the following steps:
(1)Prepare resin organic solvent solution:Epoxy resin is dissolved in the resin for being configured to that concentration is 0.5g/ml in ethanol
Organic solvent solution;Or bimaleimide resin is dissolved in the resin organic solvent for being configured to that concentration is 30g/ml in acetone
Solution;
(2)Nano material and emulsifying agent are dissolved in organic solvent dispersion soln is made;Emulsifying agent and nano material quality
Than for 1:1;0.1 ~ 5g nano materials are added in per 100ml organic solvents;Described nano material is 0 dimension nano material, 1 wiener
Rice material or 2 dimension nano materials;
(3)By resin organic solvent solution and dispersion soln by volume 1:1 or 1:It is molten that 2 ratios are mixed and made into mixing
Liquid, mixed solution is handled at least 30 minutes in 45kHz ultrasonic field, obtains Solution Under Ultrasound Treatment;
(4)Continuous fiber is put into Solution Under Ultrasound Treatment, at least 10 minutes, Ran Hou are handled in 45kHz ultrasonic fields
Nano-composite fiber prefabricated body is obtained after 105 ± 5 DEG C of heating, drying at least 2h;
(5)Using nano-composite fiber prefabricated body as reinforcing material, it is made using composite material process planning with high-precision
The continuous fiber reinforced composite materials of degree.
0 described dimension nano material is nano silicon;1 described dimension nano material is single wall, double-walled or many wall carbon
Nanotube;2 described dimension nano materials are graphene oxide.
Described organic solvent is acetone, ethanol or isopropanol.
Described emulsifying agent is the ether of Nonyl pheno 10, neopelex or polyoxyethylene cetyl base
Ether.
Described continuous fiber is any of unidirectional carbon, plain, twill, laminated cloth or fabric;It is described
Fabric refer to the three-dimensional carbon fibre fabric of three-dimensional four-way, three-dimensional five any into three-dimensional carbon fibre fabric or 2.5 dimensional fabrics
Kind, fiber used in fabric is any of carbon fiber, glass fibre or aramid fiber.
Described composite material process planning is common process molding, winding, prepreg tape-autoclave, resin transfer moulding
(RTM), Resin Film Infusion(RFI)Any of or pultrusion.
The present invention is strengthened composite resin matrix using the interfacial chemical reaction of nano material and resin matrix,
Using less nano material consumption, the curing deformation behavior of continuous fiber reinforced composite materials is significantly inhibited, typical " L " shape is multiple
The deformation angle of condensation material component is reduced to 0.6 ° by 3.0 °, shows that the volume contraction of resin matrix is reduced, so as to improve follow-up
Composite efficiency of assembling, reduce the cost of global formation complex shaped components.
The present invention suppresses the cure shrinkage of resin matrix using nano material, improves the form accuracy and size of composite
Precision, required equipment is simple, and technological operation is convenient, available for various kinds of resin based composites system and moulding process.By receiving
Rice material strengthens resin matrix, composite bending property and interlaminar shear strength is improved 50%, glass transition temperature
(Tg)Improve 80 DEG C.
Embodiment
The epoxy resin that is used in the embodiment of the present invention, bimaleimide resin is commercial products.
The average grain diameter 5-20nm of the nano silicon used in the embodiment of the present invention, the specific surface area of single-walled nanotube
>140m2/ g, the specific surface area of double-walled nanotubes>350m2/ g, the specific surface area of multi-walled carbon nanotube>500m2/ g, graphite oxide
The specific surface area of alkene>550m2/ g, is commercial products.
Acetone, ethanol and the isopropanol used in the embodiment of the present invention is AR.
The ether of Nonyl pheno 10, neopelex and the polyoxyethylene 16 used in the embodiment of the present invention
Alkyl ether is AR purchased in market.
The unidirectional fibre that is used in the embodiment of the present invention, plain, twill, laminated cloth, three-dimensional four-way stereo fabric, three
Dimension five to stereo fabric and 2.5 dimensional fabrics be commercial products.
The working frequency of the ultrasonic field used in the embodiment of the present invention is 45kHz, and power is 100W during work.
Embodiment 1
Resin selects epoxy resin in the present embodiment, and organic solvent selects ethanol, and nano material elects multi-walled carbon nanotube as,
Emulsifying agent elects the ether of Nonyl pheno 10 as, and continuous fiber elects plain as, and composite material process planning is transmitted from resin
Molding;
The method of the present invention is carried out according to the following steps:
(1)25g epoxy resin is dissolved in 50mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 1 gram of multi-walled carbon nanotube and the ether of Nonyl pheno 10 to be dissolved in 50mL ethanol respectively to be made point
Dissipate solution;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous nanotube dispersion system is formed;
(4)Plain is put into Solution Under Ultrasound Treatment, handles 10 minutes, then adds at 110 DEG C in 45kHz ultrasonic fields
Nano composite material precast body is obtained after heat drying 2h;
(5)Using nano composite material precast body as reinforcing material, using resin transfer moulding(RTM)Technological forming, receives
Rice composite fiber prefabricated body is put into mould after cutting out, and the number of plies of lay is determined by composite plate thickness, control technique ginseng
Number is 0.4MPa and 45 DEG C, after mold filling, according to 80oC/1h, 110oC/1h, 140oC/1h, 170oC/1h, 200oC/1h program liter
Temperature solidification, being made has high-precision continuous fiber reinforced composite materials.
Embodiment 2
Resin selects epoxy resin in the present embodiment, and organic solvent selects acetone, and nano material elects nano silicon as,
Emulsifying agent elects neopelex as, and continuous fiber elects twill as, and composite material process planning is from molding;
The method of the present invention is carried out according to the following steps:
(1)15g epoxy resin is dissolved in 30mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 0.05 gram of nano silicon and neopelex to be dissolved in 50mL ethanol respectively to be made point
Dissipate solution;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Twill is put into Solution Under Ultrasound Treatment, handles 10 minutes, then adds at 100 DEG C in 45kHz ultrasonic fields
Nano-composite fiber prefabricated body is obtained after heat drying 2.5h;
(5)Using nano-composite fiber prefabricated body as reinforcing material, by epoxy resin even application in nano composite material
Precast body surface, is laid in mould by the same way of embodiment 1, mould is placed on hot press, in 80 DEG C of keeping temperatures
The after-applied 50MPa of 20min pressure 1h, according still further to 110oC/1h, 140oC/1h, 170oC/1h, 200oC/1h temperature programming is consolidated
Change, being made has high-precision continuous fiber reinforced composite materials.
Embodiment 3
Resin selects epoxy resin in the present embodiment, and organic solvent selects isopropanol, and nano material elects single as
Pipe, emulsifying agent elects PCE as, and continuous fiber elects unidirectional carbon as;
The method of the present invention is carried out according to the following steps:
(1)5g epoxy resin is dissolved in 100mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Solution;
(2)Respectively take 1.25 grams of single-walled carbon nanotubes and PCE to be dissolved in 50mL isopropanols respectively to make
Into dispersion soln;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous nanotube dispersion system is formed;
(4)Unidirectional carbon is put into Solution Under Ultrasound Treatment, handled 10 minutes in 45kHz ultrasonic fields, then 105
Unidirectional nano combined carbon fiber reinforcement is obtained after DEG C heating, drying 3h;
(5)Using unidirectional nano combined carbon fiber as reinforcing material, enter under 20cm/min hauling speed and ring is housed
The steeping vat of oxygen tree fat, then discharges Excess resin and bubble by being molded mouth mold, after certain length is cut into according to
110oC/1h, 140oC/1h, 170oC/1h, 200oC/1h temperature programming solidification, being made has high-precision continuous lod
Composite.
Embodiment 4
Resin selects epoxy resin in the present embodiment, and organic solvent selects isopropanol, and nano material elects single as
Pipe, emulsifying agent elects PCE as, and continuous fiber elects laminated cloth as;Composite material process planning selects resin film
Infiltration(RFI);
The method of the present invention is carried out according to the following steps:
(1)4g epoxy resin is dissolved in 80mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 0.1 gram of single-walled carbon nanotube and PCE to be dissolved in 50mL isopropanols respectively to make
Into dispersion soln, mixed solution is formed;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Laminated cloth is put into Solution Under Ultrasound Treatment, handles 10 minutes, then adds at 105 DEG C in 45kHz ultrasonic fields
Nano composite material precast body is obtained after heat drying 3h;
(5)Using nano composite material precast body as reinforcing material, using Resin Film Infusion(RFI)Technological forming, first will
Epoxy resin is put into mould, then in the above place nano-composite fiber prefabricated body after closed with vacuum bag, it is heated and
After vacuumizing, epoxy resin is impregnated with nano-composite fiber prefabricated body, by 140oC/1h, 170oC/1h, 200oC/1h temperature programming
Solidification, being made has high-precision continuous fiber reinforced composite materials.
Embodiment 5
The present embodiment resin elects 5405 BMIs as, and organic solvent elects acetone as, and nano material elects double-walled carbon as
Nanotube, emulsifying agent elects PCE as, and continuous fiber elects the three-dimensional carbon fibre fabric of three-dimensional four-way as;Composite wood
Expect that moulding process selects prepreg tape-autoclave;
The method of the present invention is carried out according to the following steps:
(1)5405 bimaleimide resins are dissolved in acetone, magnetic agitation is uniform, the glue that concentration is 30g/ml is made
Liquid.
(2)Respectively take 0.05 gram of double-walled carbon nano-tube and PCE to be dissolved in 50mL acetone respectively to be made
Dispersion soln;
(3)By above-mentioned solution by volume 1:2 ratios are mixed, and are handled 30 minutes, are obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous nanotube dispersion system is formed;
(4)The three-dimensional carbon fibre fabric of three-dimensional four-way is put into Solution Under Ultrasound Treatment, 10 points are handled in 45kHz ultrasonic fields
Clock, then obtains nano composite material precast body after 104 DEG C of heating, drying 3.5h;
(5)Using nano composite material precast body as reinforcing material, nano composite material precast body is immersed in the glue
Taken out after 10min, 1h is dried at 70 DEG C three-dimensional four-way stereo fabric/double-walled carbon nano-tube/bimaleimide resin is made
Prepreg tape, is then laid in mould by the same way of embodiment 1, mould is placed on hot press, in 110 DEG C of keeping temperatures
The after-applied 50MPa of 20min pressure 1h, according still further to 120oC/2h, 220oC/4h temperature programming solidification, being made has high accuracy
Continuous fiber reinforced composite materials.
Embodiment 6
The present embodiment resin elects 5405 BMIs as, and organic solvent elects acetone as, and nano material elects oxidation stone as
Black alkene, emulsifying agent elects PCE as, and continuous fiber elects glass fibre as;Composite material process planning is from pre-
Soak band-autoclave.
The method of the present invention is carried out according to the following steps:
(1)5405 bimaleimide resins are dissolved in acetone, magnetic agitation is uniform, the glue that concentration is 30g/ml is made
Liquid,
(2)Respectively take respectively 1 gram of graphene oxide and PCE be dissolved in 50mL acetone be made it is scattered
Solution;
(3)By above-mentioned solution by volume 1:2 ratios are mixed, and are handled 30 minutes, are obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Glass fibre is put into Solution Under Ultrasound Treatment, handled 10 minutes in 45kHz ultrasonic fields, then at 102 DEG C
Nano composite material precast body is obtained after heating, drying 4h;
(5)Using nano composite material precast body as reinforcing material, by glass fibre/graphene oxide/bismaleimide
Polyimide resin prepreg tape is placed in mould by being put into after the same way laying of embodiment 1 after vacuum seal bag, is evacuated to 0.08MPa
Autoclave is moved into, according to 120 under 0.5MPaoC/2h, 220oC/4h temperature programming solidification.
Embodiment 7
The present embodiment resin elects 5405 BMIs as, and organic solvent elects acetone as, and nano material elects oxidation stone as
Black alkene, emulsifying agent elects PCE as, and continuous fiber elects carbon fiber as;Composite material process planning is selected and twined
Around;
The method of the present invention is carried out according to the following steps:
(1)5405 bimaleimide resins are dissolved in acetone, magnetic agitation is uniform, the glue that concentration is 30g/ml is made
Liquid,
(2)Respectively take respectively 1 gram of graphene oxide and PCE be dissolved in 50mL acetone be made it is scattered
Solution, forms mixed solution;
(3)By above-mentioned solution by volume 1:2 ratios are mixed, and are handled 30 minutes, are obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Glass fibre is put into Solution Under Ultrasound Treatment, handled 10 minutes in 45kHz ultrasonic fields, then at 108 DEG C
Nano composite material precast body is obtained after heating, drying 2h;
(5)Using nanotube composite glass fiber precast body as reinforcing material, adsorption is prepared using unidirectional carbon
The unidirectional reinforcement of graphene oxide, passes through BMI/acetone of the concentration for 30wt% under 5-80N drafting tension
Glue, unnecessary glue is removed using spreading roller, with 1-15m/min speed in cylindrical core mould surface longitudinally wound to certain
After thickness, according to 120oC/2h, 220oC/4h temperature programming solidification, being made has high-precision continuous lod composite wood
Material.
Embodiment 8
Resin selects epoxy resin in the present embodiment, and organic solvent selects isopropanol, and nano material elects single as
Pipe, emulsifying agent elects PCE as, and continuous fiber elects three-dimensional five as to three-dimensional carbon fibre fabric;Composite into
Type process selection Resin Film Infusion(RFI);
The method of the present invention is carried out according to the following steps:
(1)4g epoxy resin is dissolved in 80mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 1 gram of single-walled carbon nanotube and PCE to be dissolved in 50mL isopropanols respectively to be made
Dispersion soln, forms mixed solution;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Three-dimensional five is put into Solution Under Ultrasound Treatment to three-dimensional carbon fibre fabric, 10 points are handled in 45kHz ultrasonic fields
Clock, then obtains nano composite material precast body after 105 DEG C of heating, drying 3h;
(5)Using nano composite material precast body as reinforcing material, using Resin Film Infusion(RFI)Technological forming, first will
Epoxy resin is put into mould, then in the above place nano-composite fiber prefabricated body after closed with vacuum bag, it is heated and
After vacuumizing, epoxy resin is impregnated with nano-composite fiber prefabricated body, by 140oC/1h, 170oC/1h, 200oC/1h temperature programming
Solidification, being made has high-precision continuous fiber reinforced composite materials.
Embodiment 9
Resin selects epoxy resin in the present embodiment, and organic solvent selects isopropanol, and nano material elects single as
Pipe, emulsifying agent elects PCE as, and continuous fiber elects 2.5 dimensional fabrics as;Composite material process planning is from tree
Film infiltration(RFI);
The method of the present invention is carried out according to the following steps:
(1)4g epoxy resin is dissolved in 80mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 1 gram of single-walled carbon nanotube and PCE to be dissolved in 50mL isopropanols respectively to be made
Dispersion soln, forms mixed solution;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)2.5 dimensional fabrics are put into Solution Under Ultrasound Treatment, handled 10 minutes in 45kHz ultrasonic fields, then 105
Nano composite material precast body is obtained after DEG C heating, drying 3h;
(5)Using nano composite material precast body as reinforcing material, using Resin Film Infusion(RFI)Technological forming, first will
Epoxy resin is put into mould, then in the above place nano-composite fiber prefabricated body after closed with vacuum bag, it is heated and
After vacuumizing, epoxy resin is impregnated with nano-composite fiber prefabricated body, by 140oC/1h, 170oC/1h, 200oC/1h temperature programming
Solidification, being made has high-precision continuous fiber reinforced composite materials.
Embodiment 10
Resin selects epoxy resin in the present embodiment, and organic solvent selects isopropanol, and nano material elects single as
Pipe, emulsifying agent elects PCE as, and continuous fiber elects aramid fiber as;Composite material process planning selects resin
Film infiltration(RFI);
The method of the present invention is carried out according to the following steps:
(1)4g epoxy resin is dissolved in 80mL ethanol, magnetic agitation is uniform, is configured to the resin that concentration is 0.5g/ml
Ethanol solution;
(2)Respectively take 2.5 grams of single-walled carbon nanotubes and PCE to be dissolved in 50mL isopropanols respectively to make
Into dispersion soln, mixed solution is formed;
(3)By above-mentioned solution by volume 1:1 ratio is mixed, and is handled 30 minutes, is obtained in 100W and 45kHz ultrasonic field
Solution Under Ultrasound Treatment is obtained, homogeneous CNTs dispersions are formed;
(4)Aramid fiber is put into Solution Under Ultrasound Treatment, handled 10 minutes in 45kHz ultrasonic fields, then at 105 DEG C
Nano composite material precast body is obtained after heating, drying 3h;
(5)Using nano composite material precast body as reinforcing material, using Resin Film Infusion(RFI)Technological forming, first will
Epoxy resin is put into mould, then in the above place nano-composite fiber prefabricated body after closed with vacuum bag, it is heated and
After vacuumizing, epoxy resin is impregnated with nano-composite fiber prefabricated body, by 140oC/1h, 170oC/1h, 200oC/1h temperature programming
Solidification, being made has high-precision continuous fiber reinforced composite materials.
Claims (1)
1. a kind of manufacture method of high-precision continuous fiber reinforced composite materials, it is characterised in that carry out according to the following steps:
(1)Prepare resin organic solvent solution:Epoxy resin is dissolved in be configured in ethanol concentration be 0.5g/ml resin it is organic
Solvent solution, or bimaleimide resin is dissolved in that the resin organic solvent that concentration is 30g/ml is configured in acetone is molten
Liquid;
(2)Nano material and emulsifying agent are dissolved in organic solvent dispersion soln is made, emulsifying agent is with nano material mass ratio
1:1, often add 0.1 ~ 5g nano materials in 100ml organic solvents;Described nano material is 0 dimension nano material, 1 wiener rice material
Material or 2 dimension nano materials;
(3)By resin organic solvent solution and dispersion soln by volume 1:1 or 1:2 ratios are mixed and made into mixed solution, will
Mixed solution is handled at least 30 minutes in 45kHz ultrasonic field, obtains Solution Under Ultrasound Treatment;
(4)Continuous fiber is put into Solution Under Ultrasound Treatment, at least 10 minutes are handled in 45kHz ultrasonic fields, then 105 ±
5 DEG C of heating, drying at least 2h, obtain nano-composite fiber prefabricated body;
(5)Using nano-composite fiber prefabricated body as reinforcing material, it is made using composite material process planning with continuous fiber
Strengthen composite;
0 described dimension nano material is nano silicon;1 described dimension nano material is single wall, double-walled or multi-wall carbon nano-tube
Pipe;2 described dimension nano materials are graphene oxide;
Described organic solvent is acetone, ethanol or isopropanol;
Described emulsifying agent is the ether of Nonyl pheno 10, neopelex or PCE;
Described continuous fiber is unidirectional carbon, plain, twill, laminated cloth or fabric;Described fabric refers to three-dimensional
Four-way solid carbon fibre fabric, three-dimensional five to three-dimensional carbon fibre fabric or 2.5 dimensional fabrics, fiber used in fabric be carbon fiber,
Glass fibre or aramid fiber;
Described composite material process planning is common process molding, winding, prepreg tape-autoclave, resin transfer moulding, resin
Film infiltration or pultrusion.
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CN101532243A (en) * | 2009-04-20 | 2009-09-16 | 沈阳航空工业学院 | Shaping agent for nano composite reinforced fabric and application thereof |
CN101891942A (en) * | 2010-07-27 | 2010-11-24 | 沈阳航空航天大学 | Method for preparing nanocomposite hybrid multi-dimension material |
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CN101532243A (en) * | 2009-04-20 | 2009-09-16 | 沈阳航空工业学院 | Shaping agent for nano composite reinforced fabric and application thereof |
CN101891942A (en) * | 2010-07-27 | 2010-11-24 | 沈阳航空航天大学 | Method for preparing nanocomposite hybrid multi-dimension material |
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