CN103964746A - Magnetic damping composite material and preparation method thereof - Google Patents
Magnetic damping composite material and preparation method thereof Download PDFInfo
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- CN103964746A CN103964746A CN201410187856.4A CN201410187856A CN103964746A CN 103964746 A CN103964746 A CN 103964746A CN 201410187856 A CN201410187856 A CN 201410187856A CN 103964746 A CN103964746 A CN 103964746A
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- waste cement
- composite oxides
- manganese composite
- cerium manganese
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Abstract
The invention belongs to the field of functional materials, and in particular relates to a magnetic damping composite material and a preparation method thereof. The material comprises the following components in percentage by weight: 8 to 10 percent of kaolin, 8 to 11 percent of magnesium oxide, 24 to 28 percent of waste cement cerium-manganese composite oxide composite body, and the balance of phenolic resin. The invention aims to provide a magnetic damping composite material, which has the characteristic of high maximum damping factor. The invention also aims to provide the preparation method of the magnetic damping composite material, which has a simple process, and is low in production cost and applicable to industrial 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) with damping paint coated fiber fabric, form damping laying; 2) damping laying is interspersed in to the stacked improvement of damping material layer of form layers in some layers of fabric; 3) extracting epoxy resin with solidifying agent with 100: after the mass ratio mixing and stirring of 28-32, become epoxy-resin systems; 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 it compound, more the demoulding is shaped to described material after solidifying 8h-15h at 80 ℃ of-100 ℃ of temperature to be cooled to room temperature.But the maximum damping factor of the material of this invention preparation is lower.
Summary of the invention
Object of the present invention is exactly for above-mentioned technological deficiency, and a kind of magneticdamping matrix material is provided, and 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 magneticdamping matrix material, is characterized in that, in this material, the weight percent of each composition is: kaolin 8-10%, and magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, 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 described each composition of 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 mixed in sand mill and fragmentation, then powder is dried at 120-130 ℃, after oven dry after sieve, screen cloth is 180-220 order, then pre-burning 70-80 minute at the temperature of 870-900 ℃, after pre-burning, pulverize grinding 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 particle diameter and be the waste cement powder of 130-150 micron, standby;
3) prepare waste cement cerium manganese composite oxides complex body
By weight by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then sintering 7-9 hour at 1100-1130 ℃ of temperature, pulverizes grinding again and obtains the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron after naturally cooling;
4) prepare magneticdamping matrix material
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 that is then placed in 210-235 ℃ is incubated 20-30 minute, naturally cool to room temperature, from mould, take out and obtain magneticdamping matrix material.
the present invention has following beneficial effect compared to existing technology:
Magneticdamping matrix material of the present invention is comprised 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 the wear resistance that improves material on matrix.
Many interfaces between waste cement cerium manganese composite oxides complex body and kaolin, magnesium oxide and phenolic resin as matrix resin, have been formed.No matter be macroscopic interface or micro interface, when material is subject to vibrating, have the effect of damped vibration.Waste cement cerium manganese composite oxides complex body itself is again by having microcosmic aperture waste cement and heterogeneous cerium manganese composite oxides forms, thereby forms some small interfaces.Material is under vibratory stress effect, and chemical combination in most advanced and sophisticated phenolic resin as matrix resin around, because stress concentration produces microplasticity distortion, consumes partial vibration energy mutually, plays the damping action that reduces vibration.Simultaneously due to the microplasticity distortion of matrix, make near matrix generation relative movement chemical combination phase both sides, drive viscosity between chemical combination phase interior layer to flow, make the few chemical combination of quantity 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 that is then placed in 210-235 ℃ is incubated 20-30 minute, naturally cool to room temperature, from mould, take out 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, do not use in a large number rare your material, 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 the magneticdamping matrix material of the embodiment of the present invention one preparation.
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 mono-:
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%, and all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is mixed in sand mill and broken, then powder is dried at 120 ℃, after oven dry after sieve, screen cloth is 180 orders, then pre-burning 70 minutes at the temperature of 870 ℃, pulverizes after pre-burning to grind and obtains cerium manganese composite oxides powder, and diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form particle diameter and be the waste cement powder of 130-150 micron, standby;
3) prepare waste cement cerium manganese composite oxides complex body
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 sintering 7 hours at 1100 ℃ of temperature, pulverizes to grind after naturally cooling again and obtains the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) prepare magneticdamping matrix material
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 that is then placed in 210 ℃ is incubated 20 minutes, naturally cool to room temperature, from mould, take out and obtain magneticdamping matrix material.
embodiment bis-:
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%, and all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is mixed in sand mill and broken, then powder is dried at 130 ℃, after oven dry after sieve, screen cloth is 220 orders, then pre-burning 80 minutes at the temperature of 900 ℃, pulverizes after pre-burning to grind and obtains niobium manganese oxidase complex powder, and diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form particle diameter and be the waste cement powder of 130-150 micron, standby;
3) prepare waste cement cerium manganese composite oxides complex body
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 sintering 9 hours at 1130 ℃ of temperature, pulverizes to grind after naturally cooling again and obtains the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) prepare magneticdamping matrix material
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 that is then placed in 235 ℃ is incubated 30 minutes, naturally cool to room temperature, from mould, take out and obtain magneticdamping matrix material.
embodiment tri-:
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%, and all the other are Fe
2o
3prepare burden, each material purity is all greater than 99.9%; Each raw material is mixed in sand mill and broken, then powder is dried at 125 ℃, after oven dry after sieve, screen cloth is 200 orders, then pre-burning 75 minutes at the temperature of 890 ℃, pulverizes after pre-burning to grind and obtains cerium manganese composite oxides powder, and diameter of particle is 130-150 micron;
2) preparation of waste cement
Get the waste cement of above-mentioned composition, grind to form particle diameter and be the waste cement powder of 130-150 micron, standby;
3) prepare waste cement cerium manganese composite oxides complex body
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 sintering 8 hours at 1120 ℃ of temperature, pulverizes to grind after naturally cooling again and obtains the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron;
4) prepare magneticdamping matrix material
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 that is then placed in 225 ℃ is incubated 25 minutes, naturally cool to room temperature, from mould, take out and obtain magneticdamping matrix material.
embodiment tetra-:(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) prepare magneticdamping matrix material
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 that is then placed in 190 ℃ is incubated 15 minutes, naturally cool to room temperature, from mould, take out 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) prepare magneticdamping matrix material
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 that is then placed in 250 ℃ is incubated 40 minutes, naturally cool to room temperature, from mould, take out 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 interface damping action 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%, and magnesium oxide 8-11%, waste cement cerium manganese composite oxides complex body 24-28%, 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 described each composition of 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) 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 mixed in sand mill and fragmentation, then powder is dried at 120-130 ℃, after oven dry after sieve, screen cloth is 180-220 order, then pre-burning 70-80 minute at the temperature of 870-900 ℃, after pre-burning, pulverize grinding 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 particle diameter and be the waste cement powder of 130-150 micron, standby;
3) prepare waste cement cerium manganese composite oxides complex body
By weight by step 2) the waste cement powder of gained and the cerium manganese composite oxides powder of step 1) gained mix, then sintering 7-9 hour at 1100-1130 ℃ of temperature, pulverizes grinding again and obtains the waste cement cerium manganese composite oxides complex body that particle diameter is 130-150 micron after naturally cooling;
4) prepare magneticdamping matrix material
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 that is then placed in 210-235 ℃ is incubated 20-30 minute, naturally cool to room temperature, from mould, take out and obtain magneticdamping matrix material.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759806A (en) * | 2021-01-18 | 2021-05-07 | 江西轩达电子商务有限公司 | Preparation method of damping material |
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| US20040105980A1 (en) * | 2002-11-25 | 2004-06-03 | Sudarshan Tirumalai S. | Multifunctional particulate material, fluid, and composition |
| 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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2014
- 2014-05-06 CN CN201410187856.4A patent/CN103964746B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100483A (en) * | 1985-04-01 | 1986-08-13 | 上海灯泡厂 | Material for utrasonic transducer |
| US20040105980A1 (en) * | 2002-11-25 | 2004-06-03 | Sudarshan Tirumalai S. | Multifunctional particulate material, fluid, and composition |
| 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 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112759806A (en) * | 2021-01-18 | 2021-05-07 | 江西轩达电子商务有限公司 | Preparation method of 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 |
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