CN110272243A - A kind of double-layer cement base wave-absorbing material and preparation method thereof - Google Patents
A kind of double-layer cement base wave-absorbing material and preparation method thereof Download PDFInfo
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- CN110272243A CN110272243A CN201910544103.7A CN201910544103A CN110272243A CN 110272243 A CN110272243 A CN 110272243A CN 201910544103 A CN201910544103 A CN 201910544103A CN 110272243 A CN110272243 A CN 110272243A
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
- C04B28/04—Portland cements
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00258—Electromagnetic wave absorbing or shielding materials
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
- C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure
Abstract
A kind of double-layer cement base wave-absorbing material provided by the invention and preparation method thereof, is stacked and is formed by upper layer absorbing material and lower layer's absorbing material；Wherein, upper layer absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts of ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble and 1.0~2.0 parts of water-reducing agent；Lower layer's absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts of nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble and 1.0~2.0 parts of water-reducing agent；The present invention is using nanometer ferrite as surface layer absorbent, the good advantage of ferrite space impedance matching performance is taken full advantage of, bottom uses nanometer carbonyl iron dust, takes full advantage of the good advantage of carbonyl iron dust fade performance, the mutual supplement with each other's advantages for realizing the two, obtains the absorbing material haveing excellent performance.
Description
Technical field
The invention belongs to field of functional materials, more particularly to a kind of double-layer cement base wave-absorbing material and preparation method thereof.
Background technique
Radar absorbing (RAM) refers to a kind of functional material that can effectively absorb incident electromagnetic wave and be decayed,
Energy-dissipating type absorbing material in radar absorbing is mainly made of radar wave absorbing agent and basis material (i.e. adhesive).Manufacture
The key of absorbing material is that have the absorbent haveing excellent performance, and through reasonable formula design, designing impedance matching and perfect
Technological operation realize.Traditional absorbent mainly includes graphite, ferrite, metal particle, metallic fiber, carbon fiber, titanium
Sour barium, silicon carbide etc., made absorbing material thickness are generally up to 5~10mm.Novel nanoscale absorbent is due to uniqueness
Composed structure, the quantum size effect and skin effect the effects of under, so that absorbing property is further improved.
Absorbing material will realize the good absorption to radar wave, it should meet two conditions: first is that space impedance matches, two
It is to have attenuation constant as big as possible.
It is had been carried out largely for the concrete for capableing of electromagnetic wave absorption functions under certain frequency and Absorber Bandwidth
Research, but for monolayer material, wave-absorber design variable parameter is few, and effective bandwidth is relatively narrow, it is difficult to meet and absorb broadband
Requirement.
Summary of the invention
The purpose of the present invention is to provide a kind of double-layer cement base wave-absorbing materials and preparation method thereof, solve the prior art
The wave-absorber design variable parameter of middle monolayer material is few, and effective bandwidth is relatively narrow, it is difficult to meet and absorb wide band requirement.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of double-layer cement base wave-absorbing material provided by the invention is superimposed cloth by upper layer absorbing material and lower layer's absorbing material
Set composition；Wherein, upper layer absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts
Ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts broken
Stone and 1.0~2.0 parts of water-reducing agent；Lower layer's absorbing material is according to mass parts meter, including following raw material components: 100~130 parts
Water, 10~15 parts of nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800
The rubble and 1.0~2.0 parts of water-reducing agent of part.
Preferably, upper layer absorbing material with a thickness of 6~12mm.
Preferably, lower layer's absorbing material with a thickness of 8~10mm.
A kind of preparation method of double-layer cement base wave-absorbing material, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~
15 parts of nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts broken
Stone and 1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
S3, nanometer carbonyl iron absorbing material, portland cement, fine aggregate and the rubble in S1 is carried out uniformly mixed, is obtained
To powder；
S4 will be mixed under stirring in S3 through the obtained aqueous solution in mixed at high speed treated powder and S2
It closes, after mixing evenly, obtains stirring material；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；Obtain lower layer
Absorbing material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~
15 parts of ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts
Rubble and 1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
S3, ferrite nano absorbing material, portland cement, fine aggregate and the rubble in S1 is carried out uniformly mixed, is obtained
To powder；
S4 will be mixed under stirring in S3 through the obtained aqueous solution in mixed at high speed treated powder and S2
It closes, after mixing evenly, obtains stirring material；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain bilayer
Absorbing material；
Step 3, Multilayer Microwave Absorption Materials step 2 obtained carry out mark and support, and obtain double-layer cement base wave-absorbing material.
Preferably, in step 1, upper layer absorbing material with a thickness of 6~12mm；Lower layer's absorbing material with a thickness of 8~
10mm。
Compared with prior art, the beneficial effects of the present invention are:
A kind of double-layer cement base wave-absorbing material provided by the invention and preparation method thereof, the middle nanometer in the absorbing material of upper layer
Absorbent is Ni ferrite, and the nano-absorbent in lower layer's absorbing material is carbonyl iron, and the Ni ferrite in upper layer facilitates reality
The impedance matching of existing absorbing material and space, enters in Multilayer Microwave Absorption Materials, simultaneously so as to absorb more electromagnetic waves
In conjunction with the carbonyl iron in lower layer, using quantum size effect and skin effect etc., improve to being incident on inside absorbing material
Electromagnetic wave decaying.In addition, Multilayer Microwave Absorption Materials can make electromagnetic wave form multipath reflection between surface layer and bottom, thus
Widen the bandwidth of absorbing material；
In terms of electric structural design optimization angle, the absorbing material of multilayered structure form is conducive to multiband, broadband, favorably
In the performance for making full use of each layer absorbing material, space impedance matching is more easily implemented, thus the wave-absorbing effect being optimal.
In conclusion the present invention takes full advantage of ferrite space impedance using nanometer ferrite as surface layer absorbent
With the good advantage of performance, bottom uses nanometer carbonyl iron dust, takes full advantage of the good advantage of carbonyl iron dust fade performance, realize
The mutual supplement with each other's advantages of the two obtains the absorbing material haveing excellent performance.
Detailed description of the invention
Fig. 1 is the reflectivity of the Multilayer Microwave Absorption Materials sample of three different-thickness.
Specific embodiment
With reference to the accompanying drawing, the present invention is described in more detail.
A kind of double-layer cement base wave-absorbing material provided by the invention is superimposed cloth by upper layer absorbing material and lower layer's absorbing material
Set composition；Wherein, upper layer absorbing material with a thickness of 6~12mm；Lower layer's absorbing material with a thickness of 8~10mm.
Upper layer absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts of iron
The nano combined absorbing material of oxysome, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble and
1.0~2.0 parts of water-reducing agent.
Lower layer's absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts receive
Rice carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble and 1.0~
2.0 parts of water-reducing agent.
A kind of preparation method of double-layer cement base wave-absorbing material provided by the invention, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~
15 parts of nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts broken
Stone and 1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Nanometer carbonyl iron absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；Obtain lower layer
Absorbing material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~
15 parts of ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts
Rubble and 1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Ferrite nano absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain bilayer
Absorbing material；
Step 3, Multilayer Microwave Absorption Materials mark step 2 obtained supports 28d, obtains double-layer cement base wave-absorbing material.
The principle of the present invention:
Nano-absorbent is Ni ferrite in surface layer, and nano-absorbent is carbonyl iron in bottom, the Ni ferrite in surface layer
The impedance matching in absorbing material and space is helped to realize, enters Multilayer Microwave Absorption Materials so as to absorb more electromagnetic waves
In, while in conjunction with the carbonyl iron in bottom, using quantum size effect and skin effect etc., improves and inhale wave material to being incident on
The decaying of electromagnetic wave inside material.In addition, that electromagnetic wave can be made to be formed between surface layer and bottom is multiple anti-for Multilayer Microwave Absorption Materials
It penetrates, to widen the bandwidth of absorbing material.
Embodiment 1
A kind of preparation method of double-layer cement base wave-absorbing material provided by the invention, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 130 parts of water, 15 parts receive
Rice carbonyl iron absorbing material, 400 parts of portland cement, 500 parts of fine aggregate, 800 parts of rubble and 2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Nanometer carbonyl iron absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；Obtain lower layer
Absorbing material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 130 parts of water, 15 parts of iron
The nano combined absorbing material of oxysome, 400 parts of portland cement, 500 parts of fine aggregate, 800 parts of rubble and 2.0 parts of diminishing
Agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Ferrite nano absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain bilayer
Absorbing material；
Step 3, Multilayer Microwave Absorption Materials mark step 2 obtained supports 28d, obtains double-layer cement base wave-absorbing material.
In the present embodiment, the overall thickness of double-layer cement base wave-absorbing material is 16mm, wherein last time absorbing material with a thickness of
6mm, lower layer's absorbing material with a thickness of 10mm.
Embodiment 2
A kind of preparation method of double-layer cement base wave-absorbing material provided by the invention, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 100 parts of water, 10 parts receive
Rice carbonyl iron absorbing material, 300 parts of portland cement, 600 parts of fine aggregate, 800 parts of rubble and 1.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Nanometer carbonyl iron absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；Obtain lower layer
Absorbing material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 100 parts of water, 10 parts of iron
The nano combined absorbing material of oxysome, 300 parts of portland cement, 600 parts of fine aggregate, 800 parts of rubble and 1.0 parts of diminishing
Agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Ferrite nano absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain bilayer
Absorbing material；
Step 3, Multilayer Microwave Absorption Materials mark step 2 obtained supports 28d, obtains double-layer cement base wave-absorbing material.
In the present embodiment, the overall thickness of double-layer cement base wave-absorbing material is 20, wherein last time absorbing material with a thickness of
10, lower layer's absorbing material with a thickness of 10mm.
Embodiment 3
A kind of preparation method of double-layer cement base wave-absorbing material provided by the invention, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 120 parts of water, 13 parts receive
Rice carbonyl iron absorbing material, 350 parts of portland cement, 5500 parts of fine aggregate, 800 parts of rubble and 1.5 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Nanometer carbonyl iron absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；Obtain lower layer
Absorbing material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 120 parts of water, 13 parts of iron
The nano combined absorbing material of oxysome, 350 parts of portland cement, 5500 parts of fine aggregate, 800 parts of rubble and 1.5 parts subtract
Aqua；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
Ferrite nano absorbing material, portland cement, fine aggregate and rubble in S1 is packed into high-speed mixer by S3
In, disperse 30min under 200r/min revolving speed, obtains powder；
S4, through mixed at high speed treated powder, will be fitted into blender in S3, under stirring, be slowly added to S2
In obtained aqueous solution, stir 50min, obtain stirring material；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain bilayer
Absorbing material；
Step 3, Multilayer Microwave Absorption Materials mark step 2 obtained supports 28d, obtains double-layer cement base wave-absorbing material.
In the present embodiment, the overall thickness of double-layer cement base wave-absorbing material is 11mm, wherein last time absorbing material with a thickness of
6mm, lower layer's absorbing material with a thickness of 5mm, as shown in Figure 1.
Claims (6)
1. a kind of double-layer cement base wave-absorbing material, which is characterized in that be stacked by upper layer absorbing material and lower layer's absorbing material
Composition；Wherein, upper layer absorbing material is according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts
Ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble
With 1.0~2.0 parts of water-reducing agent；Lower layer's absorbing material is according to mass parts meter, including following raw material components: 100~130 parts
Water, 10~15 parts of nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800
The rubble and 1.0~2.0 parts of water-reducing agent of part.
2. a kind of double-layer cement base wave-absorbing material according to claim 1, which is characterized in that the thickness of upper layer absorbing material
For 6~12mm.
3. a kind of double-layer cement base wave-absorbing material according to claim 1, which is characterized in that the thickness of lower layer's absorbing material
For 8~10mm.
4. a kind of preparation method of double-layer cement base wave-absorbing material, comprising the following steps:
Step 1, lower layer's absorbing material is prepared, specific method is:
S1 weighs lower layer's absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts
Nanometer carbonyl iron absorbing material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts of rubble and
1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
S3, nanometer carbonyl iron absorbing material, portland cement, fine aggregate and the rubble in S1 is carried out uniformly mixed, obtains powder
Material；
S4 will be mixed under stirring in S3 through the obtained aqueous solution in mixed at high speed treated powder and S2,
After mixing evenly, stirring material is obtained；
Stirring material obtained in S4 is poured into mold and is poured by S5, and molding of vibrating is static to pre-hardening；It obtains lower layer and inhales wave
Material；
Step 2, upper layer absorbing material is prepared, specific method is:
S1 weighs upper layer absorbing material according to mass parts meter, including following raw material components: 100~130 parts of water, 10~15 parts
Ferrite nano composite wave-suction material, 300~400 parts of portland cement, 500~600 parts of fine aggregate, 800 parts broken
Stone and 1.0~2.0 parts of water-reducing agent；
Water-reducing agent in S1 is added to the water by S2, is stirred at room temperature to being completely dissolved, obtains aqueous solution；
S3, ferrite nano absorbing material, portland cement, fine aggregate and the rubble in S1 is carried out uniformly mixed, obtains powder
Material；
S4 will be mixed under stirring in S3 through the obtained aqueous solution in mixed at high speed treated powder and S2,
After mixing evenly, stirring material is obtained；
S5 pours into stirring material obtained in S4 on lower layer's cement-based absorption material, and ram-jolt smoothes out molding；Obtain the double-deck suction wave
Material；
Step 3, Multilayer Microwave Absorption Materials step 2 obtained carry out mark and support, and obtain double-layer cement base wave-absorbing material.
5. a kind of preparation method of double-layer cement base wave-absorbing material according to claim 4, in step 1, wave material is inhaled by lower layer
Material with a thickness of 8~10mm.
6. a kind of preparation method of double-layer cement base wave-absorbing material according to claim 4, in step 2, wave material is inhaled on upper layer
Material with a thickness of 6~12mm.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745084A (en) * | 2021-02-08 | 2021-05-04 | 大连理工大学 | NiFe-LDH cement-based composite wave-absorbing material and preparation method thereof |
| CN113072344A (en) * | 2021-04-23 | 2021-07-06 | 华南理工大学 | Double-layer cement-based wave-absorbing material with adjustable wave-absorbing performance and application method thereof |
| CN114591645A (en) * | 2022-03-04 | 2022-06-07 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3315259A (en) * | 1961-02-02 | 1967-04-18 | Eltro Gmbh & Company | Camouflaging net including a resonance absorber for electromagnetic waves |
| KR20030028859A (en) * | 2001-10-04 | 2003-04-11 | 주식회사 인트켐 | The cement compositions for absorbing electromagnetic waves |
| CN101042005A (en) * | 2007-04-18 | 2007-09-26 | 大连理工大学 | Cement radical composite wave-suction material and preparation method thereof |
| CN101928985A (en) * | 2010-07-23 | 2010-12-29 | 北京航空航天大学 | Quadrilateral zinc oxide/ nickel ferrite material and preparation method thereof |
| CN102674740A (en) * | 2012-05-18 | 2012-09-19 | 大连理工大学 | Foam used for light wave-absorbing material and preparation method thereof |
| CN102963938A (en) * | 2012-11-20 | 2013-03-13 | 上海第二工业大学 | Spinel ferrite/CNx nanocomposite and preparation method thereof |
| CN105016676A (en) * | 2015-07-06 | 2015-11-04 | 济南大学 | Cement-based electromagnetic wave impedance matching material and preparation method therefor |
| CN105950112A (en) * | 2016-05-27 | 2016-09-21 | 西南应用磁学研究所 | Nano composite absorbing material and preparation method thereof |
| CN106517915A (en) * | 2016-11-18 | 2017-03-22 | 陕西盛迈石油有限公司 | Preparation method for double-layered cement-based wave-absorbing material |
| CN106515124A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Microwave absorbing cement structure |
| CN106746944A (en) * | 2016-11-18 | 2017-05-31 | 陕西盛迈石油有限公司 | The preparation method of double-layer cement base wave-absorbing material |
| CN107032703A (en) * | 2017-04-13 | 2017-08-11 | 武汉理工大学 | Utilize ferroso-ferric oxide and the compound cement-based absorption material of coal fly ash hollow micro bead and preparation method thereof |
| CN107056325A (en) * | 2017-03-28 | 2017-08-18 | 海南大学 | A kind of double-deck compromise face cement-based absorption material and preparation method thereof |
| CN109553364A (en) * | 2019-01-21 | 2019-04-02 | 河北工业大学 | The double-deck electromagnetic wave absorption concrete and preparation method thereof based on 3D and jet printing |
| CN109912273A (en) * | 2019-02-26 | 2019-06-21 | 中国人民解放军空军工程大学 | A kind of radar microwave radiation two-layer compound protective materials |
-
2019
- 2019-06-21 CN CN201910544103.7A patent/CN110272243B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3315259A (en) * | 1961-02-02 | 1967-04-18 | Eltro Gmbh & Company | Camouflaging net including a resonance absorber for electromagnetic waves |
| KR20030028859A (en) * | 2001-10-04 | 2003-04-11 | 주식회사 인트켐 | The cement compositions for absorbing electromagnetic waves |
| CN101042005A (en) * | 2007-04-18 | 2007-09-26 | 大连理工大学 | Cement radical composite wave-suction material and preparation method thereof |
| CN101928985A (en) * | 2010-07-23 | 2010-12-29 | 北京航空航天大学 | Quadrilateral zinc oxide/ nickel ferrite material and preparation method thereof |
| CN102674740A (en) * | 2012-05-18 | 2012-09-19 | 大连理工大学 | Foam used for light wave-absorbing material and preparation method thereof |
| CN102963938A (en) * | 2012-11-20 | 2013-03-13 | 上海第二工业大学 | Spinel ferrite/CNx nanocomposite and preparation method thereof |
| CN105016676A (en) * | 2015-07-06 | 2015-11-04 | 济南大学 | Cement-based electromagnetic wave impedance matching material and preparation method therefor |
| CN105950112A (en) * | 2016-05-27 | 2016-09-21 | 西南应用磁学研究所 | Nano composite absorbing material and preparation method thereof |
| CN106515124A (en) * | 2016-11-10 | 2017-03-22 | 过冬 | Microwave absorbing cement structure |
| CN106517915A (en) * | 2016-11-18 | 2017-03-22 | 陕西盛迈石油有限公司 | Preparation method for double-layered cement-based wave-absorbing material |
| CN106746944A (en) * | 2016-11-18 | 2017-05-31 | 陕西盛迈石油有限公司 | The preparation method of double-layer cement base wave-absorbing material |
| CN107056325A (en) * | 2017-03-28 | 2017-08-18 | 海南大学 | A kind of double-deck compromise face cement-based absorption material and preparation method thereof |
| CN107032703A (en) * | 2017-04-13 | 2017-08-11 | 武汉理工大学 | Utilize ferroso-ferric oxide and the compound cement-based absorption material of coal fly ash hollow micro bead and preparation method thereof |
| CN109553364A (en) * | 2019-01-21 | 2019-04-02 | 河北工业大学 | The double-deck electromagnetic wave absorption concrete and preparation method thereof based on 3D and jet printing |
| CN109912273A (en) * | 2019-02-26 | 2019-06-21 | 中国人民解放军空军工程大学 | A kind of radar microwave radiation two-layer compound protective materials |
Non-Patent Citations (2)
| Title |
|---|
| 李宝毅: "水泥基平板吸波材料的制备与性能研究", 《中国博士学位论文全文数据库 工程科技Ⅰ辑》 * |
| 杜卫民: "《纳米材料化学的理论与工程应用研究》", 31 May 2018 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112745084A (en) * | 2021-02-08 | 2021-05-04 | 大连理工大学 | NiFe-LDH cement-based composite wave-absorbing material and preparation method thereof |
| CN113072344A (en) * | 2021-04-23 | 2021-07-06 | 华南理工大学 | Double-layer cement-based wave-absorbing material with adjustable wave-absorbing performance and application method thereof |
| CN113072344B (en) * | 2021-04-23 | 2022-06-14 | 华南理工大学 | Double-layer cement-based wave-absorbing material with adjustable wave-absorbing performance and application method thereof |
| CN114591645A (en) * | 2022-03-04 | 2022-06-07 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
| CN114591645B (en) * | 2022-03-04 | 2023-02-17 | 中国人民解放***箭军工程大学 | Carbon-based wave-absorbing coating, preparation method thereof and honeycomb sandwich structure composite wave-absorbing material |
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