CN103214216A - Inorganic damping composite material and preparation method thereof - Google Patents
Inorganic damping composite material and preparation method thereof Download PDFInfo
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- CN103214216A CN103214216A CN2013101344558A CN201310134455A CN103214216A CN 103214216 A CN103214216 A CN 103214216A CN 2013101344558 A CN2013101344558 A CN 2013101344558A CN 201310134455 A CN201310134455 A CN 201310134455A CN 103214216 A CN103214216 A CN 103214216A
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Abstract
The invention discloses an inorganic damping composite material and a preparation method thereof. The material is prepared from the following components in parts by weight: 100 parts of inorganic material matrixes, 10-150 parts of piezoelectric filler, 1-50 parts of conductive filler and 1-50 parts of auxiliaries, wherein the inorganic material matrixes include cement, glass, ceramics and asphalt; the piezoelectric filler is piezoelectric ceramic with the average particle size ranging from 100nm to 100um; the conductive filler is an organic carbon compound; and the components are cured and formed according to the proportions to obtain the inorganic damping composite material. The inorganic damping composite material provided by the invention has a better damping effect, can be used for effectively eliminating noise, and can be widely applied to fields such as traffic transportation, large buildings, medical hygienic materials and the like.
Description
Technical field
The present invention relates to a kind of damp composite material field, further, relate to a kind of inorganic damp composite material and preparation method thereof.
Technical background
Along with The development in society and economy, mechanical means is just towards at a high speed, efficient, automation direction development, but tolerance range, the reliability and stability of the vibration meeting havoc equipment that produces during machine work, and the noise of generation has also endangered people's physical and mental health.On this demand, the vibration and noise reducing material arises at the historic moment.Damping material be a kind of can absorbing vibration mechanical energy, and it is changed into heat energy, electric energy, magnetic energy or other forms of energy and a kind of functional materials of losing can abate the noise, vibration waits the environmental pollution that brings.
Along with the speed-raising of China's passenger vehicle, train, the speed of a motor vehicle is greatly improved with comparing before, still, inevitably produce vibration and noise thereof during operation, when this vibration and noise thereof acquire a certain degree, inevitably to operator, passenger, resident cause influence to a certain degree.In daily household and work, the influence of ambient noise usually makes the people tired out, agitation, have a strong impact on people's quality of life and working efficiency, therefore, need a kind of inorganic damp composite material, can eliminate the influence of vibration and noise to a certain extent at inorganic building field.
The inorganic damping material that the present invention is used is a kind of piezoelectricity electro-conductive material, and selected inorganic materials matrix comprises cement, pottery, pitch.With regard at present both at home and abroad, selected piezoelectric filler mainly is a piezoelectric ceramics, and described conductive filler material mainly contains metal species filler and non-metal kind filler, and what the present invention was selected is non-metallic fillers, is the carbon based compound.
Find through retrieval the existing literature technology, opening people such as alliance and Qin Yan has studied and has mixed reinforced epoxy based piezoelectric damping composite material and preparation method thereof, add assorted fibre, can play the mechanical property of strongthener, simultaneously certain damping effect is arranged also, but its damping effect can not satisfy people's demand.Chih-hsiung Huang, people such as Wei Tao have studied both piezoelectric damping composite materials and preparation method thereof of a kind of Resins, epoxy, the epoxide resin based piezoelectric matrix material that utilizes the post forming preparation to have gradient sandwich structure, though the damping capacity of material is greatly improved, its mechanical property has satisfied people's demand.
Summary of the invention
Technical problem to be solved by this invention is: provide a kind of can anti-vibration, the inorganic damp composite material of noise abatement sound and the method for preparation thereof.
The present invention solves its technical problem and adopts following technical scheme:
Inorganic damp composite material provided by the invention, by weight, this material is by 100 parts of inorganic materials matrixes, 10～150 parts of piezoelectric filler fillers, 1～50 part of conductive filler material, 1～50 part of composition of auxiliary agent.
Described inorganic materials matrix, conductive filler material and piezoelectric filler can be mixed by described component, curing afterwards obtains described inorganic damp composite material.
Described inorganic materials matrix can adopt one or more in cement, liquid bitumen, the pottery.
Described piezoelectric filler can adopt piezoelectric ceramics, and described piezoelectric ceramics can be for barium titanate, Pb-based lanthanumdoped zirconate titanates, zirconium titanium lanthanum lead plumbate, contain bismuth laminated piezoelectric ceramic and have in the leadless piezoelectric ceramics of calcium carbon ore deposit structure one or more.
Described conductive filler material can be the carbon based compound, and its consumption better choice lowest limit can be 1 part, 2 parts, selects height to be limited to 40 parts, 50 parts.
Described carbon based compound can adopt graphitized carbon black, carbon nanotube, one or more in the piezoelectric fabric.
Described auxiliary agent can adopt one or more in solidifying agent, binding agent, the dispersion agent.
Above-mentioned inorganic damp composite material provided by the invention, its preparation method may further comprise the steps:
(1) piezoelectric filler is sieved, obtain 300～8000 purposes piezoelectric ceramic powder that sieves;
(2) conductive filler material and the piezoelectric filler after will sieving carried out surface treatment, behind the filtration drying, obtains piezoelectric filler and conductive filler material after the modification;
(3) piezoelectric filler after the modification and conductive filler material are mixed by formula rate and inorganic materials matrix, mechanical stirring mixes, and obtains compound;
(4) compound is put into the ultrasonic oscillation instrument, its processing condition that adopt are: temperature is 60～100 ℃, and frequency is 50～100Hz, and the concussion time is 2～5h, obtains the inorganic composite materials after the moulding;
(5) inorganic composite materials after the moulding being put into direct current oil bath electric field polarizes.
Described direct current oil bath electric field polarization processing condition can be: voltage is 5～15km/mm, and the polarization temperature is 20～150 ℃, and the polarization time is 20～120min.
Above-mentioned inorganic damp composite material provided by the invention, its preparation method can also have fine distinction along with the difference of inorganic materials matrix kind, and described fine distinction is meant that selected auxiliary agent kind is different with processing condition.
The present invention compared with prior art has following main advantage:
One. because the matrix material kind exists piezoelectric particles and conducting particles, can absorb mechanical energy, and it is changed into heat energy, electric energy, magnetic energy or other forms of energy and lose are so inorganic damping material of the present invention has damping effect preferably, can eliminate noise effectively, reduce vibration.This material can be widely used in fields such as communications and transportation, heavy construction, household, medical material.
Two. the matrix material that the present invention is prepared, conductive filler material not only comprises electro-conductive fiber but also comprise graphitized carbon black, electro-conductive fiber can be used as the structure phase simultaneously, has not only improved the damping capacity of matrix material but also has improved the mechanical property of material.
The present invention can draw behind the dynamic mechanical analysis by sample is carried out, maximum damping factor tan δ improves 20%～90%, ratio of damping is ratio of damping material preferably greater than 0.3 material, and its ratio of damping of matrix material of the present invention's preparation has improved more than 30% greater than 0.3 damping temperature domain.
Specific embodiments
The present invention is further elaborated below in conjunction with specific embodiment.
Product embodiments:
The inorganic damp composite material that present embodiment provides comprises following component: the inorganic materials matrix, and piezoelectric filler, conductive filler material, wherein, inorganic materials matrix 100 parts by weight, piezoelectric filler 10～150 parts by weight, conductive filler material 3～50 parts by weight.
Described inorganic materials matrix, conductive filler material and piezoelectric filler mix by described component, solidify afterwards to obtain described inorganic damp composite material.
In described inorganic materials matrix adopting cement, liquid bitumen, the pottery one or more.
Described piezoelectric filler adopts piezoelectric ceramics, and described piezoelectric ceramics is barium titanate, Pb-based lanthanumdoped zirconate titanates, zirconium titanium lanthanum lead plumbate, contain bismuth laminated piezoelectric ceramic and have in the leadless piezoelectric ceramics of calcium carbon ore deposit structure one or more.
Described conductive filler material is the carbon based compound.
Described carbon based compound adopts graphitized carbon black, carbon nanotube, one or more in the piezoelectric fabric.
Described auxiliary agent adopts one or more in solidifying agent, binding agent, the dispersion agent.
Method embodiment 1:
Get cement grog 100 parts by weight, the cement clinker model is P.C32.5/P.C32.5R, add and handle with silane coupling agent in advance, and the dry Pb-based lanthanumdoped zirconate titanates powder after cleaning with aqueous ethanolic solution, one or more and the gypsum that add in the conductive filler material mix again, mechanical stirring 10min under the room temperature, compound is put into the ultrasonic oscillation instrument, at 90 ℃, ultrasonic mixing is 2 hours under the 80Hz, under the normal temperature behind the curing molding, sample is put into direct current oil bath electric field to polarize, the polarization temperature is 100 ℃, and polarizing voltage is 10km/mm, and the polarization time is 120min, then sample is put into 1.0Hz, 500mN carries out dynamic mechanical analysis under room temperature to the 200 ℃ condition, and Mechanics Performance Testing.Embodiment 1～5 prescription is as shown in table 1, and the damping capacity of gained piezoelectric damping composite material is as, mechanical property table 2, and the cement base piezoelectric composite material that obtains with this method is applied to road, and bridge and heavy construction field have that falling preferably shakes subtracts dry effect.
Method embodiment 6～10:
Get cement grog 100 parts by weight, the cement clinker model is P.O42.5/P.O42.5R, add and handle with silane coupling agent in advance, and the dry barium titanate after cleaning with aqueous ethanolic solution, add conductive filler material again and gypsum mixes, mechanical stirring 10min under the room temperature, compound is put into the ultrasonic oscillation instrument, at 90 ℃, down concussion 2 hours of 80Hz is under the normal temperature behind the curing molding, sample is put into direct current oil bath electric field to polarize, the polarization temperature is 100 ℃, and polarizing voltage is 10km/mm, and the polarization time is 120min, then sample is put into 1.0Hz, 500mN carries out dynamic mechanical analysis under room temperature to the 200 ℃ condition, and Mechanics Performance Testing.Embodiment 6～10 prescriptions are as shown in table 3, the damping capacity of gained piezoelectric damping composite material, mechanical property such as table 4.The cement base piezoelectric composite material that obtains with this method is applied to road, and bridge and heavy construction field have that falling preferably shakes subtracts dry effect.
Method embodiment 11～15:
Get liquid bitumen 100 mass fractions that prepare, zirconium titanium lanthanum lead plumbate powder is handled with silane coupling agent, and clean with aqueous ethanolic solution, get a certain amount ofly after the drying, add conductive filler material again, mechanical stirring 10min under the room temperature, compound is put into the ultrasonic oscillation instrument, at 80 ℃, down concussion 3 hours of 90Hz is under the normal temperature behind the curing molding, sample is put into direct current oil bath electric field to polarize, the polarization temperature is 60 ℃, and polarizing voltage is 10km/mm, and the polarization time is 100min, then sample is put into 1.0Hz, 500mN carries out dynamic mechanical analysis under room temperature to the 200 ℃ condition, and Mechanics Performance Testing.Embodiment 11～15 prescriptions are as shown in table 5, the damping capacity of gained piezoelectric damping composite material, mechanical property such as table 6, the bituminous material that obtains with this method can be widely used in road engineering material and architecture engineering material, this kind material is in waterproof, and is anticorrosion, antiseepage, also have antivibration to subtract dry function on the moistureproof basis, can alleviate the influence that vibration and noise bring.
Method embodiment 16～19:
Get alumina-ceramic slurry 100 mass fractions that prepare, add quantitative marine alga acid amide binding agent and polypropylene amine dispersion agent, zirconium titanium lanthanum lead plumbate powder is handled with silane coupling agent, and clean with aqueous ethanolic solution, get a certain amount of after the drying, add conductive filler material again, mechanical stirring 10min under the room temperature puts into the ultrasonic oscillation instrument with compound, at 80 ℃, 90Hz shakes after 3 hours down, sinter molding is put into direct current oil bath electric field with sample and is polarized, and the polarization temperature is 60 ℃, polarizing voltage is 10km/mm, polarization time is 100min, then sample is put into 1.0Hz, 500mN, carry out dynamic mechanical analysis under room temperature to the 200 ℃ condition, embodiment 16～19 prescriptions are as shown in table 7, the damping capacity such as the table 8 of gained piezoelectric damping composite material, and this kind piezoelectric ceramics damping material can be used to produce the special component of defence and military needs, aspect medical science, also there is certain application the construction sanitary ceramic aspect.
Subordinate list
Table 1 embodiment 1～5 prescription (mass parts)
The damping capacity of table 2 gained piezoelectric damping composite material
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Maximum damping is because of tan δ | 0.321 | 0.453 | 0.472 | 0.398 | 0.372 |
| Damping temperature domain | 29.6℃ | 35.4℃ | 36.3℃ | 31.1℃ | 35.1℃ |
| Folding strength/Mpa | 4.8 | 5.1 | 5.3 | 4.2 | 6.7 |
Table 3 embodiment 6～10 prescriptions (mass parts)
The damping capacity of table 4 gained piezoelectric damping composite material
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Maximum damping is because of tan δ | 0.362 | 0.391 | 0.437 | 0.465 | 0.364 |
| Damping temperature domain | 28.7℃ | 32.4℃ | 34.1℃ | 29.6℃ | 33.7℃ |
| Folding strength/Mpa | 5.1 | 4.2 | 5.3 | 4.7 | 7.1 |
Table 5 embodiment 6～10 prescriptions (mass parts)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Liquid bitumen | 100 | 100 | 100 | 100 | 100 |
| Zirconium titanium lanthanum lead plumbate powder | 10 | 50 | 100 | 150 | 100 |
| Carbon black | 1 | 5 | 30 | 50 | 5 |
| Chopped carbon fiber | 0 | 0 | 0 | 0 | 10 |
The damping capacity of table 6 gained piezoelectric damping composite material
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 |
| Maximum damping is because of tan δ | 0.598 | 0.634 | 0.821 | 0.758 | 0.830 |
| Damping temperature domain | 33.6℃ | 30.4℃ | 32.8℃ | 34.9℃ | 36.4℃ |
| Ultimate compression strength/Mpa | 83.7 | 90.6 | 87.2 | 92.3 | 113.4 |
Table 7 embodiment 16～19 prescriptions (mass parts)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| The alumina-ceramic slurry | 100 | 100 | 100 | 100 |
| The marine alga acid amide | 10 | 10 | 10 | 10 |
| Polypropylene amine | 10 | 10 | 10 | 10 |
| Zirconium titanium lanthanum lead plumbate powder | 10 | 50 | 100 | 150 |
| Carbon black | 1 | 5 | 30 | 50 |
The damping capacity of table 8 gained piezoelectric damping composite material
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Maximum damping is because of tan δ | 0.308 | 0.310 | 0.3670 | 0.348 |
Claims (10)
1. an inorganic damp composite material is characterized in that by weight, and this material is by 100 parts of inorganic materials matrixes, 10～150 parts of piezoelectric filler fillers, 1～50 part of conductive filler material, 1～50 part of composition of auxiliary agent.
2. inorganic damp composite material as claimed in claim 1 is characterized in that described inorganic materials matrix, conductive filler material and piezoelectric filler are mixed by described component, solidifies afterwards to obtain described inorganic damp composite material.
3. according to the described inorganic damp composite material of claim 2, it is characterized in that in described inorganic materials matrix adopting cement, liquid bitumen, the pottery one or more.
4. according to the described inorganic damp composite material of claim 2, it is characterized in that described piezoelectric filler adopts piezoelectric ceramics, described piezoelectric ceramics is barium titanate, Pb-based lanthanumdoped zirconate titanates, zirconium titanium lanthanum lead plumbate, contain bismuth laminated piezoelectric ceramic and have in the leadless piezoelectric ceramics of calcium carbon ore deposit structure one or more.
5. according to the described inorganic damp composite material of claim 2, it is characterized in that described conductive filler material is the carbon based compound.
6. according to the described inorganic damp composite material of claim 5, it is characterized in that described carbon based compound adopts graphitized carbon black, carbon nanotube, one or more in the piezoelectric fabric.
7. according to the described inorganic damp composite material of claim 1, it is characterized in that described auxiliary agent adopts one or more in solidifying agent, binding agent, the dispersion agent.
8. the preparation method of the described inorganic damp composite material of arbitrary claim in the claim 1 to 7 is characterized in that adopting the method that may further comprise the steps:
(1) piezoelectric filler is sieved, obtain 300～8000 purposes piezoelectric ceramic powder that sieves;
(2) conductive filler material and the piezoelectric filler after will sieving carried out surface treatment, behind the filtration drying, obtains piezoelectric filler and conductive filler material after the modification;
(3) piezoelectric filler after the modification and conductive filler material are mixed by formula rate and inorganic materials matrix, mechanical stirring mixes, and obtains compound;
(4) compound is put into the ultrasonic oscillation instrument, its processing condition that adopt are: temperature is 60～100 ℃, and frequency is 50～100Hz, and the concussion time is 2～5h, obtains the inorganic composite materials after the moulding;
(5) inorganic composite materials after the moulding being put into direct current oil bath electric field polarizes.
9. the manufacture method of the inorganic damp composite material described in claim 8, it is characterized in that described direct current oil bath electric field polarization processing condition are: voltage is 5～15km/mm, and the polarization temperature is 20～150 ℃, and the polarization time is 20～120min.
10. as the described inorganic damp composite material of claim 1～7, it is characterized in that the difference along with inorganic materials matrix kind, its preparation method also has fine distinction, and described fine distinction is meant selected auxiliary agent kind, processing condition difference.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626445A (en) * | 2013-11-29 | 2014-03-12 | 中国科学院新疆理化技术研究所 | Lead-free high temperature cement-based piezoelectric composite material and synthesis method thereof |
| CN103897412A (en) * | 2014-03-21 | 2014-07-02 | 苏州宇希新材料科技有限公司 | Nano composite powder material for asphalt modifier and preparation method thereof |
| CN105584173A (en) * | 2015-12-21 | 2016-05-18 | 潍坊市宏源防水材料有限公司 | Waterproof roll with electromagnetic shielding function and preparation method thereof |
| CN105837178A (en) * | 2016-03-16 | 2016-08-10 | 哈尔滨工程大学 | Preparation method for promoting polarization of asphalt-based piezoelectric ceramic piezoelectric composite |
| CN109177996A (en) * | 2018-08-17 | 2019-01-11 | 中车青岛四方机车车辆股份有限公司 | A kind of body construction of high-damping sound insulation composite material used for rail vehicle |
| CN112064019A (en) * | 2020-08-22 | 2020-12-11 | 安徽江南泵阀集团有限公司 | Bearing improvement process for reducing vibration intensity of chemical pump |
-
2013
- 2013-04-17 CN CN2013101344558A patent/CN103214216A/en active Pending
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| 梁瑞林等: ""压电陶瓷废料在阻尼减振材料中的应用"", 《再生资源研究》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103626445A (en) * | 2013-11-29 | 2014-03-12 | 中国科学院新疆理化技术研究所 | Lead-free high temperature cement-based piezoelectric composite material and synthesis method thereof |
| CN103897412A (en) * | 2014-03-21 | 2014-07-02 | 苏州宇希新材料科技有限公司 | Nano composite powder material for asphalt modifier and preparation method thereof |
| CN103897412B (en) * | 2014-03-21 | 2016-03-09 | 苏州宇希新材料科技有限公司 | A kind of asphalt modifier composite nano-powder material and preparation method thereof |
| CN105584173A (en) * | 2015-12-21 | 2016-05-18 | 潍坊市宏源防水材料有限公司 | Waterproof roll with electromagnetic shielding function and preparation method thereof |
| CN105584173B (en) * | 2015-12-21 | 2017-11-21 | 潍坊市宏源防水材料有限公司 | A kind of waterproof roll with electro-magnetic screen function and preparation method thereof |
| CN105837178A (en) * | 2016-03-16 | 2016-08-10 | 哈尔滨工程大学 | Preparation method for promoting polarization of asphalt-based piezoelectric ceramic piezoelectric composite |
| CN105837178B (en) * | 2016-03-16 | 2019-04-19 | 哈尔滨工程大学 | It obtains and promotes the polarized preparation method of pitch base piezoelectric ceramic piezo-electricity composite material |
| CN109177996A (en) * | 2018-08-17 | 2019-01-11 | 中车青岛四方机车车辆股份有限公司 | A kind of body construction of high-damping sound insulation composite material used for rail vehicle |
| CN112064019A (en) * | 2020-08-22 | 2020-12-11 | 安徽江南泵阀集团有限公司 | Bearing improvement process for reducing vibration intensity of chemical pump |
| CN112064019B (en) * | 2020-08-22 | 2022-06-14 | 安徽江南泵阀集团有限公司 | Bearing improvement process for reducing vibration intensity of chemical pump |
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Application publication date: 20130724 |