CN105161803B - A kind of graphene film frequency-selective surfaces - Google Patents
A kind of graphene film frequency-selective surfaces Download PDFInfo
- Publication number
- CN105161803B CN105161803B CN201510677859.0A CN201510677859A CN105161803B CN 105161803 B CN105161803 B CN 105161803B CN 201510677859 A CN201510677859 A CN 201510677859A CN 105161803 B CN105161803 B CN 105161803B
- Authority
- CN
- China
- Prior art keywords
- graphene film
- layer
- graphene
- frequency
- selective surfaces
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of graphene film frequency-selective surfaces, the surface includes substrate and the graphene film layer being arranged on substrate, and substrate is fiber-resin composite；Graphene film layer is the graphene film of periodicity perforate or the graphene film paster of periodic arrangement.The graphene film frequency-selective surfaces process implementing of the present invention is simple, good with fiber-resin composite substrate matching, and weightening is small, corrosion-resistant, can be widely applied to the devices such as composite material radome or wave filter.
Description
Technical field
The present invention relates to frequency selecting surface technique field, in particular to a kind of graphene film frequency-selective surfaces.
Background technology
Frequency-selective surfaces (Frequency Selective Surfaces, abbreviation FSS) are a kind of periodic array in two dimensions
Structure, is a spatial filter for its essence, and structure is spaced by identical unit is regular in the two-dimensional direction
Into.FSS has specific frequency selection index system and is widely used in microwave, is infrared to visible light wave range.Frequency selects table
Face includes patch type shape and fluting class shape.Patch type shape is obtained by being periodically covered with same metal patch in dielectric surface
, it is however generally that it is to be used as band resistance mode filter, low frequency transmission, the effect of high frequency reflection can be played.Class shape of slotting is logical
Cross and periodically open up slotted eye on a metal plate and obtain, belong to band logical shape frequency-selective surfaces, energy from the classification of frequency characteristic angle
Play bass reflex, the effect of high frequency transmission.
As high-performance fiber reinforced resin (Fiber Reinforced Polymer, abbreviation FRP) composite has
Extensive use, increasing FRP composites are used for the structure related to electromagnetic wave such as radome, antenna, therefore by FSS
It is also more and more for the surface of FRP composites and its component.Existing FSS is mostly metal material.It is bonded when by metal FSS
To after FRP composite material surfaces, the two thermal coefficient of expansion difference is larger, is also easy to produce thermal mismatch problem.Environment temperature acute variation
When, metal FSS even comes off in FRP composite material surfaces meeting gross distortion.And under the particular surroundings such as ocean, metal FSS is easy
The problems such as seriously corroded be present.In addition, the device such as big shape radar can cause structure to increase weight if using only metal FSS
The problems such as big.
The content of the invention
It is an object of the invention to provide a kind of graphene film frequency-selective surfaces, present invention mainly solves existing skill
Metal FSS is applied to thermal mismatching caused by FRP and its structure, the technical problem of perishable and structure weightening in art.
The present invention provides a kind of graphene film frequency-selective surfaces, including substrate and the graphene that is arranged on substrate it is thin
Film layer, substrate are FRP composites；Graphene film layer is the graphene film of periodicity perforate or the graphite of periodic arrangement
Alkene film patch.By setting graphene film layer in FRP composite material surfaces, originally conventional metal is substituted, institute can be improved
Adaptability of the FSS to drastically transformation temperature is obtained, reduces the appearance of thermal mismatching situation.While graphene density is small, light weight, leads
Electrical property is suitable with metal material, even better than common metal material, thus can preferably adapt to FSS needs.Graphene matter
Measure light, corrosion-resistant, obtained FSS is adapted to the needs of the seriously corroded environment such as ocean, and FSS weight is also mitigated.Carry
The high gained FSS scope of application.Graphene film layer can be conductive film made of pure graphene.Can also be doped with
The graphene composite film that conductive capability is improved after other components material, such as it is doped with the graphene/carbon of CNT
Nanotube composite conductive film is doped with graphene composite conductive film of metal nanoparticle etc..Graphene film layer surface
With cross-shaped through hole, Y shape hole, square hole, circular hole or Jerusalem unit.But it is not limited to these units.
Preferably, graphene film layer is graphene conductive film or doped graphene composite membrane.During using the conducting film
Gained FRP composite substrates FSS thermal mismatch problem can effectively be reduced.
Preferably, graphene film layer electrical conductivity is not less than 1 × 105S/m.Any electrical conductivity meets the graphite of FSS needs
Alkene film layer.
Preferably, graphene film layer surface has cross-shaped through hole, Y shape hole, square hole, circular hole or Jerusalem unit.
Preferably, FRP composites are core filled composite material, laminate or cambered shell structure.Laminate refers to herein
After multilayer FRP material is stacked, the laminate of hot forming.Cambered shell refers to that surface has the FRP of curvature composite laminated
Structure or sandwich structure.
Preferably, FRP composites are quartz fibre reinforced epoxy composite honeycomb sandwich board or quartz fibre
Strengthen cyanate composite material laminate；Graphene film layer is the graphite for the cross-shaped through hole that surface is provided with the arrangement of multiple cycles
Alkene film or H-shaped graphene film chip unit；Graphene film thickness degree is 10~100 μm.Using FSS made from the structure
With minimum thermal mismatching rate.
Preferably, battenboard includes two-layer panel layer and the laminboard layer being located between two-layer panel, and panel layer is quartz
Fiber reinforced epoxy resin or quartz fibre enhancing cyanate ester resin are made；Laminboard layer is made up of honeycomb or foam.Using the knot
FSS made from structure can effectively reduce the thermal mismatching between graphene and FRP material so that obtained FSS have it is minimum
Thermal mismatching rate.
Another aspect of the present invention provides a kind of preparation method such as foregoing graphites alkene film frequency-selective surfaces, including will
Surface has the step of graphene film of preset pattern affixes to FRP composites.Preset pattern can pass through in the step
Laser ablation or other engraving processes are made, and are certainly not limited to this.Can also be to molten by the graphene dispersion of nanoscale
Printer ink is used as in liquid, the graphene film layer with preset pattern is obtained by 3D printing, afterwards can as needed again
Graphene film periodicity perforate unit or chip unit are obtained through drying reduction.The preparation method of graphene film layer specifically may be used
With but be not limited to using vacuum filtration method, spin-coating method, dip coating, self assembly the methods of assemble film forming, then again by chemistry also
Graphene conductive film is prepared in former and thermal reduction method, can also use chemical vapor deposition, electrophoretic deposition the methods of system
It is standby.
Preferably, preset pattern is obtained by laser ablation or 3D printing.Can be cost-effective using this method, improve production
Efficiency.
Another aspect of the present invention provides a kind of radome for including foregoing graphites alkene film frequency-selective surfaces.The radar
Cover adapts to temperature from -50 DEG C~110 DEG C of drastically change, without causing radome to lose due to the material falls back on FSS surfaces
Effect.
Advantages of the present invention：
Graphene film frequency-selective surfaces provided by the invention, graphene film layer is arranged at FRP composite tables
Face, so as to improve the thermal matching energy of the two, reduce due to FSS Problem of Failure caused by thermal mismatching.Graphite used simultaneously
Alkene film layer also has that electrical conductivity is high, advantage in light weight and corrosion resistant, improves the suitable application area of the FSS made of FRP.Can
So that antenna house, antenna substrate, Radar Stealth Materials, wave filter etc. is made.Graphene film FSS and conventional metals FSS frequency
Selection effect is suitable, and thermal mismatching rate is low, and corrosion-resistant, environmental suitability is strong；Density is small, and structure weightening is small, is especially suitable for
Fiber-resin composite surface functional layer sets an one functional layer as the interior of FRP composites.
Above-mentioned graphene film frequency-selective surfaces preparation method provided by the present invention, by by with preset pattern
Graphene film layer is pasted on FRP composite material surfaces and obtains FSS, and this method is simple to operation, and production efficiency is higher.
The radome provided by the invention for including above-mentioned graphene film frequency-selective surfaces, adapts to -50 DEG C~110 DEG C
Environment, improve the accommodation of radome.
It will cause this with reference to the described below of various embodiments of the graphene film frequency-selective surfaces according to the present invention
It is apparent in terms of the above and other of invention.
Brief description of the drawings
The present invention is explained in greater detail referring now to accompanying drawing, wherein：
Fig. 1 is the cross graphene film frequency-selective surfaces schematic perspective view of the preferred embodiments of the present invention；
Fig. 2 is the cross graphene film layer schematic perspective view of the preferred embodiments of the present invention；
Fig. 3 is the sandwich shape substrate schematic perspective view of the preferred embodiments of the present invention；
Fig. 4 is the H-shaped graphene film frequency-selective surfaces schematic perspective view of the preferred embodiments of the present invention；
Fig. 5 is the H-shaped graphene film layer schematic perspective view of the preferred embodiments of the present invention；
Fig. 6 is the laminated shape substrate schematic perspective view of the preferred embodiments of the present invention；And
Fig. 7 is the method flow schematic diagram of the preferred embodiments of the present invention.
Marginal data：
100th, graphene film layer；110th, cross-shaped through hole；200th, substrate；210th, the first fiber-reinforced resin layer；220、
Laminboard layer；230th, the second fiber-reinforced resin layer.
Embodiment
The invention provides a kind of graphene film frequency-selective surfaces, are selected using graphene film alternative metals as frequency
The surface mount structure on surface is selected, so as to reduce gained FSS thermal mismatching rate.
Referring to Fig. 1 or Fig. 4, graphene film layer 100 is attached on substrate 200.Resin used in bonding, it is preferred to use with fibre
The contained sticking resin of tool is bonded in dimension reinforced resin layer.It can obtain required FSS.After bonding, can with but it is unlimited
In making its setting using vacuum bag pressure technique cure under pressure, FSS is obtained.Referring to Fig. 2, by swashing on graphene film layer 100
Light is carved in the cross-shaped through hole 110 that multiple cycle arrangements are carved on graphene film.Figure on obvious graphene film layer 100
Shape is not limited to cross, is also not necessarily limited to use laser carving method.The thickness of graphene film layer 100 is 20 μm.
Certain graphene film layer 100 can also be as shown in figure 5, the H-shaped paster arranged for multiple cycles.Can be by swashing
The methods of light engraving, mechanical engraving or 3D printing, obtains.Now the thickness of graphene film layer 100 can be 16 μm.
Referring to Fig. 3, substrate 200 can be to include the first fiber-reinforced resin layer 210, the increasing of the fiber of laminboard layer 220 and second
Strong resin bed 230.First fiber-reinforced resin layer 210 and the face of the second fiber-reinforced resin layer 230 are set, and are provided with therebetween
Laminboard layer 220.Such as first fiber-reinforced resin layer 210 and the second fiber-reinforced resin layer 230 can be that quartz fibre strengthens
Epoxy resin composite material, thickness 1.5mm, is certainly not limited to this.Laminboard layer 220 is each hole length of side 4mm Nomex honeybees
Nest, the thickness of material is 8mm in laminboard layer 220.
Referring to Fig. 6, substrate 200 used can also be that quartz fibre strengthens cyanate composite material laminate.The laminate
Can be to press technique to postpone the quartz textile stacking of multilayer dielectric better performances using vacuum bag, the thickness being prepared
For 1mm laminate.When using quartz fibre to strengthen cyanate composite material laminate as substrate 200, using cyanate
Bond graphene film layer 100.Technique after stickup with it is preceding identical.
Referring to Fig. 7, another aspect of the present invention additionally provides a kind of preparation method and comprised the following steps：
Shaping：Graphene film layer 100 is shaped according to preset pattern；
Paster：Graphene film layer 100 with preset pattern is affixed on fiber-reinforced resin layer；
Press molding：Cure under pressure is carried out to the fiber-reinforced resin for being pasted with graphene film layer 100.
The FSS with high thermal stability can be obtained using above-mentioned steps.
Embodiment
Embodiment 1
FSS samples 1 are prepared according to the following steps：
1) it is about 1 × 10 from electrical conductivity5S/m thickness is 20 μm of graphene film, by laser engraving in the graphite
Multiple cross-shaped through hole of rule arrangement are carved on alkene film；
2) quartz fibre reinforced epoxy composite honeycomb sandwich board is prepared by vacuum infusion method and is used as substrate,
The upper and lower panel of wherein honeycomb sandwich board is thick 1.5mm quartz fibre reinforced epoxy composite laminated plate.Sandwich is core
Material thickness 8mm, the hole length of side 4mm Nomex honeycombs, using epoxy resin as binding agent, by the stone with multiple cross-shaped through hole
Black alkene film layer affixes to the surface of quartz fibre reinforced epoxy composite honeycomb sandwich board substrate；
3) method cure under pressure is pressed by vacuum bag, obtained with band logical shape graphene film FSS.
Embodiment 2
FSS samples 2 are prepared according to the following steps：
1) it is 2 × 10 from electrical conductivity5S/m thickness is that 100 μm of graphene is thin, by mechanical engraving method in the graphite
Multiple H-shaped chip units of rule cycle arrangement are carved out on alkene film；
2) press method to prepare the quartz fibre enhancing cyanate composite material laminate that thickness is 1mm by vacuum bag to be used as
Substrate, using cyanate ester resin as binding agent, the graphene film layer with multiple H-shaped chip units is affixed into quartz fibre
Strengthen the surface of cyanate composite material laminate substrate；
3) method cure under pressure is pressed by vacuum bag, obtains that there is band resistance shape graphene film FSS.
Comparative example 1
Difference with embodiment 1 is：Use thickness to carry out mechanical engraving for 20 μm of copper foil, obtain the graphite of embodiment 1
Alkene film has the metal FSS of identical size and number cross-shaped through hole, with quartz fibre reinforced epoxy composite honeybee
Sandwich panels substrate is bonded, and bonding agent is epoxy resin of the same race used in substrate.Obtain sample 3.
Sample 1 and sample 3 are cut into each 100 pieces of the unified fritter of size, FSS samples 1 and 3 are detected by existing method
Properties, the results are shown in Table 1.Thermal mismatching rate is in 100 sample fritters, near -50 DEG C from room temperature, to protect in 3 hours
Hold 10 minutes, then be warming up to 110 DEG C, kept for ten minutes, then it is a temperature cycles to be cooled to room temperature.By 10 temperature cycles
Afterwards, the ratio that the FSS pasters quantity of the top layer unsticking on substrate divided by total number of samples obtain.Frequency Selection effect uses same frequency
The wave transparent performance insertion loss (unit dB) of section characterizes.
The sample 1 of table 1 and the properties testing result table of sample 3
| Sample number into spectrum | Thermal mismatching rate | Frequency Selection effect |
| 1 | 0 | 0.90dB |
| 3 | 12% | 0.88dB |
From table 1, FSS provided by the invention is suitable with common metal FSS frequency Selection effect, while can effectively drop
Low-heat mismatch ratio.
Those skilled in the art will be clear that the scope of the present invention is not restricted to example discussed above, it is possible to which it is carried out
Some changes and modification, the scope of the present invention limited without departing from appended claims.Although in accompanying drawing and explanation
Illustrate and describe the present invention in book in detail, but such explanation and description are only explanations or schematical, and it is nonrestrictive.
The present invention is not limited to the disclosed embodiments.
By to accompanying drawing, the research of specification and claims, when implementing of the invention, those skilled in the art can be with
Understand and realize the deformation of the disclosed embodiments.In detail in the claims, term " comprising " is not excluded for other steps or element,
And indefinite article "one" or " one kind " be not excluded for it is multiple.The some measures quoted in mutually different dependent claims
The fact does not mean that the combination of these measures can not be advantageously used.Any reference marker in claims is not formed pair
The limitation of the scope of the present invention.
Claims (6)
1. a kind of graphene film frequency-selective surfaces for radome, it is characterised in that including substrate and be arranged at described
Graphene film layer on substrate, the substrate are FRP composites；The graphene film layer is the graphite of periodicity perforate
The graphene film paster of alkene film or periodic arrangement；
The graphene film thickness degree is 10~100 μm；
The graphene film layer electrical conductivity is not less than 1 × 105S/m；
The FRP composites are battenboard, laminate or cambered shell structure；The battenboard includes two-layer panel layer and folder
Laminboard layer between two layers of panel, the panel layer are that quartz fibre reinforced epoxy or quartz fibre strengthen cyanogen
Acid ester resin is made；The laminboard layer is made up of honeycomb or foam.
2. the graphene film frequency-selective surfaces according to claim 1 for radome, it is characterised in that the stone
Black alkene film layer is graphene conductive film or doped graphene composite membrane.
3. the graphene film frequency-selective surfaces according to claim 1 for radome, it is characterised in that the stone
Black alkene thin-film surface is provided with cross-shaped through hole, Y shape, square, circular or Jerusalem cell configuration periodicity perforate or patch
Blade unit.
It is 4. a kind of such as the system of the graphene film frequency-selective surfaces according to any one of claims 1 to 3 for radome
Preparation Method, it is characterised in that including surface to be had to the step of graphene film of preset pattern affixes to FRP composites.
5. the preparation method of the graphene film frequency-selective surfaces according to claim 4 for radome, its feature
It is, the preset pattern is obtained by laser ablation or 3D printing.
A kind of 6. radome included such as graphene film frequency-selective surfaces according to any one of claims 1 to 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510677859.0A CN105161803B (en) | 2015-10-19 | 2015-10-19 | A kind of graphene film frequency-selective surfaces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510677859.0A CN105161803B (en) | 2015-10-19 | 2015-10-19 | A kind of graphene film frequency-selective surfaces |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105161803A CN105161803A (en) | 2015-12-16 |
| CN105161803B true CN105161803B (en) | 2017-11-14 |
Family
ID=54802605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510677859.0A Active CN105161803B (en) | 2015-10-19 | 2015-10-19 | A kind of graphene film frequency-selective surfaces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105161803B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106356638B (en) * | 2016-10-14 | 2019-05-07 | 西安电子科技大学 | Suction wave rate adjustable type wideband electromagnetic wave absorbing device based on graphene film |
| CN107785667A (en) * | 2017-10-27 | 2018-03-09 | 中国人民解放军国防科技大学 | Energy selection surface based on additive machining conductive material and manufacturing method of product |
| CN107993284A (en) * | 2017-11-20 | 2018-05-04 | 上海无线电设备研究所 | A kind of curved face unit array modeling methods |
| CN108504038A (en) * | 2018-03-19 | 2018-09-07 | 天津大学 | A kind of absorbing meta-material and preparation method of graphite paper epoxy resin |
| CN108428977A (en) * | 2018-04-12 | 2018-08-21 | 北京邮电大学 | Terahertz broadband band-pass filter based on frequency-selective surfaces |
| CN112186363A (en) * | 2020-09-24 | 2021-01-05 | 武汉汉烯科技有限公司 | Flexible macroscopic graphene frequency selective surface |
| CN113239419B (en) * | 2021-04-14 | 2022-03-29 | 哈尔滨工业大学 | Design method of honeycomb structure tunable super surface based on thickness and size change |
| CN113193379B (en) * | 2021-04-14 | 2022-08-09 | 哈尔滨工业大学 | Design method of S/C dual-band multi-layer tunable frequency selection surface |
| CN114703565B (en) * | 2022-04-21 | 2023-07-28 | 常州富烯科技股份有限公司 | Graphene fiber, graphene fiber reinforced heat conduction gasket and preparation method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049426A (en) * | 2014-07-11 | 2014-09-17 | 南京大学 | Bandwidth adjustable liquid crystal terahertz wave plate based on porous graphene transparent electrode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103001003B (en) * | 2012-12-13 | 2015-02-18 | 大连理工大学 | Manual electromagnetic metamaterial based on topology and graphene material and having tunable gradient force traps |
| CN103143319B (en) * | 2013-03-01 | 2014-12-31 | 暨南大学 | Graphene/clay composite material, and preparation method and application thereof |
| CN104763100B (en) * | 2015-03-06 | 2016-09-14 | 中国人民解放军国防科学技术大学 | Big plate of shelter with radar invisible and bulletproof function and preparation method thereof |
-
2015
- 2015-10-19 CN CN201510677859.0A patent/CN105161803B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104049426A (en) * | 2014-07-11 | 2014-09-17 | 南京大学 | Bandwidth adjustable liquid crystal terahertz wave plate based on porous graphene transparent electrode |
Non-Patent Citations (2)
| Title |
|---|
| "Tunable Graphene Reflective Cells for THz Reflectarrays and Generalized Law of Reflection";Appl. Phys.等;《Appl. Phys. Lett.》;20131231;第102卷;第1-8页 * |
| "基于石墨烯及其和大带宽频率选择表面的研究";许莹莹;《中国优秀硕士学位论文全文数据库 信息科技辑》;20140915(第9期);第41-43页及图3-27，3-28 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105161803A (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105161803B (en) | A kind of graphene film frequency-selective surfaces | |
| CN106058482B (en) | Transparent wideband electromagnetic wave absorbing device based on bilayer conductive film | |
| EP2687364B1 (en) | Composite conductive sheet, fabricating method and application thereof | |
| CN105206942B (en) | A kind of carbon nano-tube film frequency-selective surfaces and preparation method thereof, radome | |
| CN106671451B (en) | Fibre reinforced composites, preparation method and application | |
| CN105172267B (en) | A kind of polyimide-based sandwich absorbing material and preparation method thereof | |
| CN104185552A (en) | Method of making sandwich panel | |
| CN104582458A (en) | Wave absorbing metamaterial | |
| CN109228587A (en) | A kind of absorbing material and preparation method thereof | |
| JP2019102665A (en) | Electromagnetic wave absorber | |
| Xiong et al. | Recent advances in non-biomass and biomass-based electromagnetic shielding materials | |
| CN105578715A (en) | Electromagnetic shielding film and preparation method thereof and circuit board comprising electromagnetic shielding film | |
| KR101578474B1 (en) | Method of manufacturing customized radar absorbing structure having variable electromagnetic characteristics using single composite and Radar absorbing structure thereby | |
| CN102117948A (en) | Strip line waveguide made of composite material | |
| Zheng et al. | Recent advances in structural design of conductive polymer composites for electromagnetic interference shielding | |
| CN102810761B (en) | The manufacture method of sandwich Meta Materials and manufacture method and sandwich metamaterial antenna cover | |
| CN104602448A (en) | Flexible circuit board and manufacturing method thereof | |
| CN102760947B (en) | K-band ultra-wideband wave-transmitting radome | |
| Gao et al. | Stackable and Deployable Laser‐Induced Graphene Layers Toward the Flexible Manufacturing of Smart 3D Honeycombs with Multifunctional Performance | |
| CN203876309U (en) | Wave-absorbing heat-dissipating bi-functional compound device | |
| CN113045856A (en) | Bonding sheet, preparation method thereof and metal-clad laminate comprising bonding sheet | |
| CN202979466U (en) | Composite flexible printed circuit board structure | |
| CN102922809A (en) | Liquid crystal polymer glass fiber bonding sheet copper-clad plate and preparation method thereof | |
| CN102709703B (en) | Manufacturing method of metamaterials and antenna housing made of metamaterials | |
| JP5669773B2 (en) | Curved substrate and method of manufacturing curved substrate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |