CN103964746B - A kind of magneticdamping matrix material and preparation method thereof - Google Patents
A kind of magneticdamping matrix material and preparation method thereof Download PDFInfo
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- CN103964746B CN103964746B CN201410187856.4A CN201410187856A CN103964746B CN 103964746 B CN103964746 B CN 103964746B CN 201410187856 A CN201410187856 A CN 201410187856A CN 103964746 B CN103964746 B CN 103964746B
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- waste cement
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Abstract
The invention belongs to field of functional materials, be specifically related to a kind of magneticdamping matrix material and preparation method thereof, in this material, the weight percent of each composition is: kaolin 8-10%, magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, all the other are resol; The object of this invention is to provide a kind of magneticdamping matrix material, have the advantages that maximum damping factor is high; Another object of the present invention is to provide a kind of magneticdamping matrix material, and this preparation method's technique is simple, and production cost is low, is suitable for suitability for industrialized production.
Description
Technical field
The invention belongs to field of functional materials, be specifically related to a kind of magneticdamping matrix material and preparation method thereof.
Background technology
No. CN201110029579.0 application discloses a kind of preparation method of high damping epoxy resin composite, comprises damping paint, fabric, epoxy resin and solidifying agent; Its step is as follows: 1) form damping laying with damping paint coated fiber fabric; 2) damping laying is interspersed in the stacked improvement of damping material layer of form layers in some layers of fabric; 3) extracting epoxy resin and solidifying agent are to become epoxy-resin systems after the mass ratio mixing and stirring of 100: 28-32; 4) by step 2) improvement of damping material layer be laid in mould, adopt VARI technique by step 3) epoxy-resin systems perfusion to this improvement of damping material layer, make its compound, then through solidify at 80 DEG C of-100 DEG C of temperature 8h-15h be cooled to room temperature after the demoulding be namely shaped to described material.But the maximum damping factor of material prepared by this invention is lower.
Summary of the invention
Object of the present invention is exactly for above-mentioned technological deficiency, provides a kind of magneticdamping matrix material, has the advantages that maximum damping factor is high;
Another object of the present invention is to provide a kind of magneticdamping matrix material, and this preparation method's technique is simple, and production cost is low, is suitable for suitability for industrialized production.
Technical solution of the present invention is as follows:
A kind of magneticdamping matrix material, it is characterized in that, in this material, the weight percent of each composition is: kaolin 8-10%, magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, and all the other are resol;
Described waste cement cerium manganese composite oxides complex body is mixed by weight 0.5:1-1.2 by waste cement and cerium manganese composite oxides, and wherein in waste cement, the weight percent of each composition is: SiO
220-24%, Al
2o
34-7%, Fe
2o
32.5-6%, all the other are CaO;
The weight percent of each composition of described cerium manganese composite oxides is: Mn
3o
412-16%, WO
30.005-0.02 %, CeO
20.2-0.5%, MoO
30.05-0.080%, ZnO 12-14%, all the other Fe
2o
3.
The particle diameter of described waste cement cerium manganese composite oxides complex body is 100-120 micron.
A preparation method for magneticdamping matrix material, is characterized in that, the method comprises the following steps:
1) preparation of cerium manganese composite oxides
Each raw materials by weight: Mn
3o
412-16%, WO
30.005-0.02 %, CeO
20.2-0.5%, MoO
30.05-0.080%, ZnO 12-14%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried at 120-130 DEG C, after sieve after oven dry, screen cloth is 180-220 order, then pre-burning 70-80 minute at the temperature of 870-900 DEG C, pulverize grinding after pre-burning and obtain niobium manganese oxidase complex powder, diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form the waste cement powder that particle diameter is 130-150 micron, for subsequent use;
3) waste cement cerium manganese composite oxides complex body is prepared
By weight by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then at 1100-1130 DEG C of temperature, sinter 7-9 hour, pulverize grinding after naturally cooling again and obtain the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 8-10%, magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 210-235 DEG C is incubated 20-30 minute, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
the present invention has following beneficial effect compared to existing technology:
Magneticdamping matrix material of the present invention is made up of kaolin, magnesium oxide, waste cement cerium manganese composite oxides complex body, resol, and resol forms pliable and tough matrix, and magnesium oxide delays the aging of resol.Kaolin is very stable, is distributed in wear resistance matrix improving material.
Waste cement cerium manganese composite oxides complex body and define many interfaces between kaolin, magnesium oxide and phenolic resin as matrix resin.No matter be macroscopic interface or micro interface, have the effect of damped vibration when material is subject to vibrating.Waste cement cerium manganese composite oxides complex body itself by having microcosmic aperture waste cement and heterogeneous cerium manganese composite oxides is formed, thus forms some small interfaces again.Material is under vibratory stress effect, and chemical combination, mutually in most advanced and sophisticated phenolic resin as matrix resin around, because stress concentration produces micro-plastic deformation, consumes partial vibration energy, plays the damping action reducing vibration.Simultaneously due to the micro-plastic deformation of matrix, make the matrix generation relative movement near chemical combination phase both sides, drive viscous flow between chemical combination phase interior layer, the chemical combination making quantity few mutually can the more vibrational energy of consumption rate and play damping action.
Preparation technology of the present invention is easy, process is simple, kaolin, magnesium oxide, waste cement cerium manganese composite oxides complex body, resol are mixed in mixing device, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 210-235 DEG C is incubated 20-30 minute, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material, products obtained therefrom has excellent vibration damping effect, and maximum damping factor is high.In preparation process of the present invention, a large amount of use your material rare, institute's raw materials cost of getting reduces, and adopts waste material to do raw material.Magneticdamping matrix material of the present invention can be applied to the fields such as weaving, building, military affairs.
Accompanying drawing explanation
Fig. 1 is the organization chart of magneticdamping matrix material prepared by the embodiment of the present invention one.
As seen from the figure, homogeneous microstructure is fine and close.
Embodiment
Below in conjunction with embodiment, the invention will be further described: in waste cement, the weight percent of each composition is: SiO
220-24%, Al
2o
34-7%, Fe
2o
32.5-6%, all the other are CaO;
Kaolinic molecular formula is Al
2o
32SiO
22H
2o.
embodiment one:
Magneticdamping matrix material of the present invention, its preparation method is as follows:
1) preparation of cerium manganese composite oxides
Each raw materials by weight: Mn
3o
412%, WO
30.005%, CeO
20.2%, MoO
30.05%, ZnO 12%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 120 DEG C, screen cloth is 180 orders, then pre-burning 70 minutes at the temperature of 870 DEG C, pulverize grinding after pre-burning and obtain cerium manganese composite oxides powder, diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form the waste cement powder that particle diameter is 130-150 micron, for subsequent use;
3) waste cement cerium manganese composite oxides complex body is prepared
By weight 0.5:1 by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then at 1100 DEG C of temperature, sinter 7 hours, pulverize grinding after naturally cooling again and obtain the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 8%, magnesium oxide 8%, waste cement cerium manganese composite oxides complex body 24%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 210 DEG C is incubated 20 minutes, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
embodiment two:
Magneticdamping matrix material of the present invention, its preparation method is as follows:
1) preparation of cerium manganese composite oxides
Each raw materials by weight: Mn
3o
416%, WO
30.02 %, CeO
20.5%, MoO
30.080%, ZnO 14%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 130 DEG C, screen cloth is 220 orders, then pre-burning 80 minutes at the temperature of 900 DEG C, pulverize grinding after pre-burning and obtain niobium manganese oxidase complex powder, diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form the waste cement powder that particle diameter is 130-150 micron, for subsequent use;
3) waste cement cerium manganese composite oxides complex body is prepared
By weight 0.5:1.2 by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then at 1130 DEG C of temperature, sinter 9 hours, pulverize grinding after naturally cooling again and obtain the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 10%, magnesium oxide 11%, waste cement cerium manganese composite oxides complex body 28%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 235 DEG C is incubated 30 minutes, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
embodiment three:
Magneticdamping matrix material of the present invention, its preparation method is as follows:
1) preparation of cerium manganese composite oxides
Each raw materials by weight: Mn
3o
414%, WO
30.01 %, CeO
20.4%, MoO
30.07%, ZnO 13%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried, after sieve after oven dry at 125 DEG C, screen cloth is 200 orders, then pre-burning 75 minutes at the temperature of 890 DEG C, pulverize grinding after pre-burning and obtain cerium manganese composite oxides powder, diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form the waste cement powder that particle diameter is 130-150 micron, for subsequent use;
3) waste cement cerium manganese composite oxides complex body is prepared
By weight 0.5:1.1 by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then at 1120 DEG C of temperature, sinter 8 hours, pulverize grinding after naturally cooling again and obtain the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 9%, magnesium oxide 9%, waste cement cerium manganese composite oxides complex body 26%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 225 DEG C is incubated 25 minutes, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
embodiment four:(in step 4, proportioning components is not within the scope of design proportion of the present invention)
Magneticdamping matrix material of the present invention, its preparation method is as follows:
Step 1-3 is with the step 1-3 in embodiment 3.
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 6%, magnesium oxide 6%, waste cement cerium manganese composite oxides complex body 22%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 190 DEG C is incubated 15 minutes, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
embodiment five:(in step 4, proportioning components is not within the scope of design proportion of the present invention)
Magneticdamping matrix material of the present invention, its preparation method is as follows:
Step 1-3 is with the step 1-3 in embodiment 3.
4) magneticdamping matrix material is prepared
By each composition be by weight percentage: kaolin 12%, magnesium oxide 13%, waste cement cerium manganese composite oxides complex body 30%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 250 DEG C is incubated 40 minutes, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
Table one
As can be seen from the above table, magneticdamping matrix material of the present invention, resol is too much, and Compound Phase reduces, and micro interface reduces, and interfacial damping effect reduces; Waste cement cerium manganese composite oxides complex body and kaolin, magnesium oxide are too much, and resol reduces, and matrix damping action reduces.
Claims (3)
1. a magneticdamping matrix material, is characterized in that: in this material, the weight percent of each composition is: kaolin 8-10%, magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, and all the other are resol; Described waste cement cerium manganese composite oxides complex body is mixed by weight 0.5:1-1.2 by waste cement and cerium manganese composite oxides, and wherein in waste cement, the weight percent of each composition is: SiO
220-24%, Al
2o
34-7%, Fe
2o
32.5-6%, all the other are CaO; The weight percent of each composition of described cerium manganese composite oxides is: Mn
3o
412-16%, WO
30.005-0.02%, CeO
20.2-0.5%, MoO
30.05-0.080%, ZnO 12-14%, all the other Fe
2o
3.
2. magneticdamping matrix material according to claim 1, is characterized in that: the particle diameter of described waste cement cerium manganese composite oxides complex body is 100-120 micron.
3. the preparation method of magneticdamping matrix material described in claim 1, is characterized in that: the method comprises the following steps: 1) each raw materials by weight of the preparation of cerium manganese composite oxides: Mn
3o
412-16%, WO
30.005-0.02%, CeO
20.2-0.5%, MoO
30.05-0.080%, ZnO 12-14%, all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is carried out in sand mill mix and fragmentation, then powder is dried at 120-130 DEG C, after sieve after oven dry, screen cloth is 180-220 order, then pre-burning 70-80 minute at the temperature of 870-900 DEG C, pulverize grinding after pre-burning and obtain cerium manganese composite oxides powder, diameter of particle is 130-150 micron; 2) waste cement of above-mentioned composition is got in the preparation of waste cement, grinds to form the waste cement powder that particle diameter is 130-150 micron, for subsequent use; 3) waste cement cerium manganese composite oxides complex body is prepared by weight by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then at 1100-1130 DEG C of temperature, sinter 7-9 hour, pulverize grinding after naturally cooling again and obtain the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron; 4) preparing magneticdamping matrix material by each composition is by weight percentage: kaolin 8-10%, magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, all the other are prepared burden for resol, each raw material mixes, and mixture is put into mould, and the indirect heating resistance furnace being then placed in 210-235 DEG C is incubated 20-30 minute, naturally cool to room temperature, take out from mould and obtain magneticdamping matrix material.
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CN85100483A (en) * | 1985-04-01 | 1986-08-13 | 上海灯泡厂 | Material for utrasonic transducer |
CN102219443A (en) * | 2010-04-15 | 2011-10-19 | 中国科学院合肥物质科学研究院 | Cement material with high damping performance, and preparation method thereof |
CN103351736A (en) * | 2013-06-29 | 2013-10-16 | 青岛共好检测技术有限公司 | Waterborne damping paint with high flame resistance and high adhesive force |
CN103508714A (en) * | 2013-09-22 | 2014-01-15 | 济南大学 | Intelligent damping material compounded of piezoelectric composite material and cement and preparation method of intelligent damping material |
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US7560160B2 (en) * | 2002-11-25 | 2009-07-14 | Materials Modification, Inc. | Multifunctional particulate material, fluid, and composition |
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Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN85100483A (en) * | 1985-04-01 | 1986-08-13 | 上海灯泡厂 | Material for utrasonic transducer |
CN102219443A (en) * | 2010-04-15 | 2011-10-19 | 中国科学院合肥物质科学研究院 | Cement material with high damping performance, and preparation method thereof |
CN103351736A (en) * | 2013-06-29 | 2013-10-16 | 青岛共好检测技术有限公司 | Waterborne damping paint with high flame resistance and high adhesive force |
CN103508714A (en) * | 2013-09-22 | 2014-01-15 | 济南大学 | Intelligent damping material compounded of piezoelectric composite material and cement and preparation method of intelligent damping material |
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Effective date of registration: 20181120 Address after: 221300 Pizhou Economic Development Zone, Xuzhou City, Jiangsu Province, north of Huancheng North Road and east of Hongqi Road Patentee after: Jiangsu Li Long Semiconductor Technology Co., Ltd. Address before: 210044 Ning six road, Pukou District, Nanjing, Jiangsu Province, No. 219 Patentee before: Nanjing University of Information Science and Technology |