CN208930844U - A kind of high temperature resistant Wave suction composite material - Google Patents
A kind of high temperature resistant Wave suction composite material Download PDFInfo
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- CN208930844U CN208930844U CN201820733889.8U CN201820733889U CN208930844U CN 208930844 U CN208930844 U CN 208930844U CN 201820733889 U CN201820733889 U CN 201820733889U CN 208930844 U CN208930844 U CN 208930844U
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Abstract
The utility model belongs to new material technology field, and in particular to arrives a kind of high temperature resistant Wave suction composite material, which includes: three-dimensional braided structure and the high temperature resistant absorbent that is evenly distributed in three-dimensional braided structure；The three-dimensional braided structure fiber is inhaled wave composite fibre by n-layer high temperature resistant and is woven, the high temperature resistant is inhaled wave composite fibre and is made of wave-absorption fibre and high-temperature fibre, and content is successively incremented by the content of wave-absorption fibre from top to bottom in three-dimensional braided structure, and wherein n is positive integer；The preparation method is handed over by different fibers twists, closes beam, 3 D weaving, then impregnates, is formed, sintering is made, and composite material high temperature resistant obtained absorbs that frequency range is wide, absorption intensity is high, structural thickness is adjustable, is suitable for high temperature stealth technology.
Description
Technical field
The utility model belongs to new material technology field, and in particular to arrives a kind of high temperature resistant Wave suction composite material.
Background technique
Fast-developing detection and guidance technology have been constituted military target and weaponry increasingly tight in modern war
The threat of weight, wherein radar is still the detection main and most reliable means of military target in distant reconnaissance and detection.Cause
This, radar stealth technology is to improve weaponry penetration ability, the important means of survival ability and fighting efficiency, absorbing material energy
Incident electromagnetic wave is effectively absorbed, and is thermal energy consumption or interference cancellation by electromagnetic energy, is obviously reduced echo strength.?
Absorbing material is covered on the weaponrys such as aircraft, guided missile, tank, naval vessels, ammunition depot and facility, radar wave can be absorbed, is decayed
Signal is reflected, is counter radar detection, realizes that target radar is one of the important means of stealthy.
With the fast development that the air armaments such as China's New Fighter and guided missile are equipped, fighter plane, cruise missile etc. are aerial
The components operating temperatures such as jet pipe, nose cone cap, the leading edge of weaponry can reach 700 DEG C even 1000 DEG C or more, to thunder
It is stronger up to wave reflection, become the key factor for influencing new-type weapon and equipment Stealth Fighter.And it is answered on weaponry at present
Absorbing material mainly based on magnetic absorbent, has many advantages, such as that thickness is thin, it is strong to absorb, multiband is compatible, but big portion absolutely
Point magnetic absorbent Curie temperature is lower, high-temperature oxidation resistance is poor, loses magnetism at high temperature, to substantially reduce wave absorbtion
Can, therefore, currently used magnetic absorbent is only applicable to the stealthy of room temperature component.Meanwhile magnetic absorbent filled polymer
Based composites, magnetic absorbent loses magnetism at high temperature, polymeric matrix decomposes, and can not be applied to above-mentioned equipment high-temperature portion
The radar-wave absorbing of part is stealthy.Therefore it is badly in need of research high temperature resistant absorbing material, is the air armaments such as New Fighter and guided missile equipment
The stealthy offer key technology support of high temperature.
Report at present both at home and abroad about high temperature resistant absorbing material is less, and wherein notification number is the China of CN107039778A
A kind of high temperature resistant radar absorbing and preparation method thereof based on the double-deck Meta Materials of disclosure of the invention, the high temperature resistant radar-wave absorbing
Material successively includes interlevel dielectrics layer, internal layer resistor-type high temperature metamaterial layer, intermediate medium layer of material, outer layer electricity from inside to outside
Resistance type high temperature metamaterial layer and outer dielectric layer, interlevel dielectrics layer, middle dielectric layer and outer dielectric layer are continuous oxidation
Fibres enhance oxide composite, which is mainly reached high temperature resistant by multilayered structure from inside to outside and inhale wave effect
Fruit.
Notification number is that the Chinese invention application of CN106007804A discloses a kind of high temperature resistant high impedance surface radar-wave absorbing
Material and preparation method thereof, which is double-layer structure, including the medium substrate layer in bottom and in the high impedance on surface layer
Superficial layer, the medium substrate layer are that oxide fibre enhances oxide-base composite material；The high impedance surface layer mainly by
It is formed in the high temperature resistant resistance coating of periodic patterns.
Foregoing invention is all made of layer structure made from continuous oxidation fibres enhancing oxide composite to reach resistance to
High temperature wave-absorbing effect, a kind of in order to overcome the deficiencies of the prior art, the utility model provides high temperature resistant Wave suction composite material,
For three-dimensional braided structure.
Summary of the invention
That the purpose of the utility model is to provide a kind of absorption frequency ranges is wide, absorption intensity is high, the adjustable high temperature resistant of structural thickness
(1000 DEG C of >) Wave suction composite material.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of high temperature resistant Wave suction composite material, comprising: three-dimensional braided structure A and be evenly distributed in three-dimensional braided structure
High temperature resistant absorbent；The three-dimensional braided structure A inhales wave composite fibre by n-layer high temperature resistant and weaves, the high temperature resistant
Inhale wave composite fibre be made of wave-absorption fibre and high-temperature fibre, and the content of wave-absorption fibre in three-dimensional braided structure from upper
And lower content is successively incremented by, wherein n is positive integer.
The purpose of this utility model can also be achieved through the following technical solutions:
The n-layer is 5 or 6 layers.
It is 10-80% that the wave-absorption fibre, which inhales the mass percent in wave composite fibre in high temperature resistant,.
The high temperature resistant absorbent be silicon carbide, silicon nitride, carbon black, zinc oxide it is one or more.
The high-temperature fibre is Zirconium oxide fibre, alumina fibre, quartz glass fibre, alumina silicate fibre, the Black Warrior
Rock fiber it is one or more.
The wave-absorption fibre be carbon fiber, silicon carbide fibre, polycrystalline iron fiber it is one or more.
" high temperature resistant inhales wave composite fibre " is by the wave-absorption fibre of different quality ratio and high-temperature fibre by handing over twirl, closing beam
Etc. the composite fibre of the wave-absorption fibre of different quality ratio and high-temperature fibre that is prepared of techniques, namely contain different suctions waves fibres
The high temperature resistant for tieing up mass ratio inhales wave composite fibre.
According to the difference of contained wave-absorption fibre mass ratio in " high temperature resistant inhale wave composite fibre " being prepared, there are many
The high temperature resistant of different wave-absorption fibre mass ratioes inhales wave composite fibre；The wave-absorption fibre is inhaled in wave composite fibre in high temperature resistant
Mass ratio is 10-80%.
" three-dimensional braided structure A " be will prepare " high temperature resistant inhale wave composite fibre " according to contained wave-absorption fibre mass ratio by
Low to high sequence is successively woven, the integrated three-dimensional braiding structure of acquisition；" three-dimensional braided structure A " is by n-layer " high temperature resistant
Inhale wave composite fibre " it weaves, the mass ratio of wave-absorption fibre is successively incremented by from top to bottom in " three-dimensional braided structure A ",
In, number of plies n is positive integer, is best with 5 or 6 layers.
" high temperature resistant Wave suction composite material " is that the integration " three-dimensional braided structure A " of preparation is uniformly impregnated within high temperature resistant to inhale
In the precursor sol for receiving agent, drying of being formed, and high temperature and pressure is sintered in an inert atmosphere.
Compared with prior art, the utility model has the advantage that
(1) the utility model forms different suctions by the way that the wave-absorption fibre of different number and high-temperature fibre are handed over twisted bundles
The high temperature resistant of wave fiber content inhales wave composite fibre, is woven into graded dielectric constant integrated three-dimensional structure, can be wider
Its dielectric constant is adjusted in band limits, meets the requirement of wide-band thunderstorm activity under high temperature.
(2) the utility model passes through the high-temperature fibre for playing frame in integrated three-dimensional braiding structure, and in ladder
The wave-absorption fibre of distribution and the high temperature resistant absorbent of dipping filling are spent, realizes the requirement that radar wave absorbs by force under high temperature.
Detailed description of the invention
Fig. 1 is the high temperature resistant Wave suction composite material three-dimensional braided structure longitudinal cross-section structural schematic diagram of the utility model；
Wherein, A represents high temperature resistant suction wave composite fibre, and B represents high temperature resistant absorbent；
The high temperature resistant that 1,2,3 ... n-1, n represent different content wave-absorption fibre in three-dimensional braided structure inhales wave composite fibre
The number of plies.
Specific embodiment
The utility model is described further by following embodiment, these embodiment non-limiting implementations,
It is only intended to illustrate the utility model, those skilled in the art completely can be with thinking according to the present utility model and technique
The formula or technological parameter that principle filters out are the protection scope of the utility model.
It should be noted that diagram provided in the present embodiment only illustrates the basic knot of the utility model in a schematic way
Structure, only show in figure with related structure composition in the utility model rather than structure number, shape when according to actual implementation and
Size is drawn, when actual implementation kenel, quantity and the ratio of each component can arbitrarily change for one kind, and its assembly layout type
State may also be increasingly complex.
A kind of high temperature resistant of embodiment 1 inhales wave composite fibre
Three-dimensional braided structure A as shown in Figure 1, inside is uniformly distributed high temperature resistant absorbent B；
Wherein, three-dimensional braided structure A inhales wave composite fibre by 5 layers of high temperature resistant and weaves, and high temperature resistant inhales wave composite fibre
It is made of wave-absorption fibre and high-temperature fibre, wherein wave-absorption fibre inhales the mass fraction of wave composite fibre from top to bottom in high temperature resistant
5-1 layers are successively 10%, 20%, 35%, 50%, 70%；
High temperature resistant absorbent B is silicon carbide；High-temperature fibre is alumina fibre；Wave-absorption fibre is carbon fiber；
The preparation method comprises the following steps:
(1) wave-absorption fibre of different number and high-temperature fibre are handed over and twists, closes beam, prepare wave-absorption fibre mass fraction respectively
Wave composite fibre is inhaled for 10%, 20%, 35%, 50%, 70% high temperature resistant；
(2) high temperature resistant that step (1) obtains wave composite fibre is inhaled successively to carry out from low to high according to wave-absorption fibre content
Braiding is made high temperature resistant and inhales wave composite fibre integrated three-dimensional structure；
(3) high temperature resistant for obtaining step (2) inhales wave composite fibre integrated three-dimensional structure, is uniformly impregnated within high temperature resistant suction
It is then the dry 60min of 150 DEG C of sizings in temperature, finally 1100 DEG C in 20MPa inert atmosphere in the precursor sol for receiving agent
It is sintered 180min, obtains high temperature resistant Wave suction composite material.
A kind of high temperature of embodiment 2 inhales wave composite fibre
Three-dimensional braided structure A as shown in Figure 1, inside is uniformly distributed high temperature resistant absorbent B；
Wherein, three-dimensional braided structure A inhales wave composite fibre by 6 layers of high temperature resistant and weaves, and high temperature resistant inhales wave composite fibre
It is made of wave-absorption fibre and high-temperature fibre, wherein wave-absorption fibre inhales the mass fraction of wave composite fibre from top to bottom in high temperature resistant
6-1 layers are successively 10%, 25%, 40%, 50%, 65%, 80%；
High temperature resistant absorbent B is silicon carbide；High-temperature fibre is Zirconium oxide fibre；Wave-absorption fibre is silicon carbide fibre；
The preparation method comprises the following steps:
(1) wave-absorption fibre of different number and high-temperature fibre are handed over and twists, closes beam, prepare wave-absorption fibre mass fraction respectively
Wave composite fibre is inhaled for 10%, 25%, 40%, 50%, 65%, 80% high temperature resistant；
(2) high temperature resistant that step (1) obtains wave composite fibre is inhaled successively to carry out from low to high according to wave-absorption fibre content
Braiding is made high temperature resistant and inhales wave composite fibre integrated three-dimensional structure；
(3) high temperature resistant for obtaining step (2) inhales wave composite fibre integrated three-dimensional structure, is uniformly impregnated within high temperature resistant suction
It is then the dry 120min of 150 DEG C of sizings in temperature, finally 1200 in 15MPa inert atmosphere in the precursor sol for receiving agent
DEG C sintering 120min, obtain high temperature resistant Wave suction composite material.
A kind of high temperature of embodiment 3 inhales wave composite fibre
Three-dimensional braided structure A as shown in Figure 1, inside is uniformly distributed high temperature resistant absorbent B；
Wherein, three-dimensional braided structure A inhales wave composite fibre by 5 layers of high temperature resistant and weaves, and high temperature resistant inhales wave composite fibre
It is made of wave-absorption fibre and high-temperature fibre, wherein wave-absorption fibre inhales the mass fraction of wave composite fibre from top to bottom in high temperature resistant
5-1 layers are successively 15%, 30%, 45%, 60%, 75%；
High temperature resistant absorbent B is zinc oxide；High-temperature fibre is alumina silicate fibre；Wave-absorption fibre is carbon fiber；
The preparation method comprises the following steps:
(1) wave-absorption fibre of different number and high-temperature fibre are handed over and twists, closes beam, prepare wave-absorption fibre mass fraction respectively
Wave composite fibre is inhaled for 15%, 30%, 45%, 60%, 75% high temperature resistant；
(2) high temperature resistant that step (1) obtains wave composite fibre is inhaled successively to carry out from low to high according to wave-absorption fibre content
Braiding is made high temperature resistant and inhales wave composite fibre integrated three-dimensional structure；
(3) high temperature resistant for obtaining step (2) inhales wave composite fibre integrated three-dimensional structure, is uniformly impregnated within high temperature resistant suction
It is then the dry 150min of 180 DEG C of sizings in temperature, finally 1000 in 25MPa inert atmosphere in the precursor sol for receiving agent
DEG C sintering 240min, obtain high temperature resistant Wave suction composite material.
A kind of high temperature of embodiment 4 inhales wave composite fibre
Three-dimensional braided structure A as shown in Figure 1, inside is uniformly distributed high temperature resistant absorbent B；
Wherein, three-dimensional braided structure A inhales wave composite fibre by 6 layers of high temperature resistant and weaves, and high temperature resistant inhales wave composite fibre
It is made of wave-absorption fibre and high-temperature fibre, wherein wave-absorption fibre inhales the mass fraction of wave composite fibre from top to bottom in high temperature resistant
6-1 layers are successively 10%, 20%, 40%, 55%, 65%, 80%；
High temperature resistant absorbent B is carbon black；High-temperature fibre is basalt fibre；Wave-absorption fibre is carbon fiber；
The preparation method comprises the following steps:
(1) wave-absorption fibre of different number and high-temperature fibre are handed over and twists, closes beam, prepare wave-absorption fibre mass fraction respectively
Wave composite fibre is inhaled for 10%, 20%, 40%, 55%, 65%, 80% high temperature resistant；
(2) high temperature resistant that step (1) obtains wave composite fibre is inhaled successively to carry out from low to high according to wave-absorption fibre content
Braiding is made high temperature resistant and inhales wave composite fibre integrated three-dimensional structure；
(3) high temperature resistant for obtaining step (2) inhales wave composite fibre integrated three-dimensional structure, is uniformly impregnated within high temperature resistant suction
It is then the dry 180min of 180 DEG C of sizings in temperature, finally 1100 in 30MPa inert atmosphere in the precursor sol for receiving agent
DEG C sintering 210min, obtain high temperature resistant Wave suction composite material.
A kind of high temperature of embodiment 5 inhales wave composite fibre
Three-dimensional braided structure A as shown in Figure 1, inside is uniformly distributed high temperature resistant absorbent B；
Wherein, three-dimensional braided structure A inhales wave composite fibre by 6 layers of high temperature resistant and weaves, and high temperature resistant inhales wave composite fibre
It is made of wave-absorption fibre and high-temperature fibre, wherein wave-absorption fibre inhales the mass fraction of wave composite fibre from top to bottom in high temperature resistant
5-1 layers are successively 20%, 35%, 45%, 60%, 70%；
High temperature resistant absorbent B is silicon nitride；High-temperature fibre is quartz glass fibre；Wave-absorption fibre is polycrystalline iron fiber；
The preparation method comprises the following steps:
(1) wave-absorption fibre of different number and high-temperature fibre are handed over and twists, closes beam, prepare wave-absorption fibre mass fraction respectively
Wave composite fibre is inhaled for 20%, 35%, 45%, 60%, 70% high temperature resistant；
(2) high temperature resistant that step (1) obtains wave composite fibre is inhaled successively to carry out from low to high according to wave-absorption fibre content
Braiding is made high temperature resistant and inhales wave composite fibre integrated three-dimensional structure；
(3) high temperature resistant for obtaining step (2) inhales wave composite fibre integrated three-dimensional structure, is uniformly impregnated within high temperature resistant suction
It is then the dry 30min of 200 DEG C of sizings in temperature, finally 1200 DEG C in 10MPa inert atmosphere in the precursor sol for receiving agent
It is sintered 150min, obtains high temperature resistant Wave suction composite material.
Claims (3)
1. a kind of high temperature resistant Wave suction composite material characterized by comprising
Three-dimensional braided structure A and the high temperature resistant absorbent being evenly distributed in three-dimensional braided structure；
The three-dimensional braided structure A inhales wave composite fibre by n-layer high temperature resistant and weaves, and the high temperature resistant inhales the compound fibre of wave
Dimension be made of wave-absorption fibre and high-temperature fibre, and the content of wave-absorption fibre in three-dimensional braided structure from top to bottom content by
Layer is incremented by, wherein n is positive integer.
2. high temperature resistant Wave suction composite material according to claim 1, which is characterized in that the n-layer is 5 or 6 layers.
3. high temperature resistant Wave suction composite material according to claim 1, which is characterized in that the wave-absorption fibre is in high temperature resistant
Inhaling the mass percent in wave composite fibre is 10-80%.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820733889.8U CN208930844U (en) | 2018-05-16 | 2018-05-16 | A kind of high temperature resistant Wave suction composite material |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820733889.8U CN208930844U (en) | 2018-05-16 | 2018-05-16 | A kind of high temperature resistant Wave suction composite material |
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| CN208930844U true CN208930844U (en) | 2019-06-04 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437579A (en) * | 2018-05-16 | 2018-08-24 | 山东天磁新材料科技有限公司 | A kind of high temperature resistant Wave suction composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108437579A (en) * | 2018-05-16 | 2018-08-24 | 山东天磁新材料科技有限公司 | A kind of high temperature resistant Wave suction composite material and preparation method thereof |
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Effective date of registration: 20211210 Address after: No. 517, Yuxing Road, new material industrial park, Tianqiao District, Jinan City, Shandong Province, 250119 Patentee after: TIANNUO PHOTOELECTRIC MATERIAL Co.,Ltd. Address before: 250119 Building 2, Xinmao Qilu science and Technology City, No. 1, Zidong Avenue, Tianqiao District, Jinan City, Shandong Province Patentee before: SHANDONG TIANCI NEW MATERIAL TECHNOLOGY CO.,LTD. |
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