CN105174921A - Heat-resisting conductive ceramic material and preparation method thereof - Google Patents
Heat-resisting conductive ceramic material and preparation method thereof Download PDFInfo
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- CN105174921A CN105174921A CN201510585017.2A CN201510585017A CN105174921A CN 105174921 A CN105174921 A CN 105174921A CN 201510585017 A CN201510585017 A CN 201510585017A CN 105174921 A CN105174921 A CN 105174921A
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Abstract
The invention discloses a heat-resisting conductive ceramic material and a preparation method thereof. The heat-resisting conductive ceramic material is prepared from the following components in parts by weight: 95-98 parts of nano alumina, 5-8 parts of ethylene glycol, 3-5 parts of barium oxide, 1-1.5 parts of nano titanium dioxide, 0.05-0.2 part of potassium fluozirconate, 0.02-0.2 part of carbon nanofibres, 0.02-0.04 part of manganese carbonate, 0.02-0.03 part of cobaltosic oxide, 0.01-0.03 part of tourmaline powder, 0.01-0.02 part of coal gangue, and 0.01-0.02 part of yttrium oxide. The invention also provides a preparation method of the heat-resisting conductive ceramic material.
Description
Technical field
The invention belongs to stupalith field, particularly heat-resisting conducting ceramic material of one and preparation method thereof.
Background technology
New ceramic material has the superiority of its uniqueness in performance, particularly in thermal characteristics and mechanical properties, has high temperature resistant, heat insulation, high rigidity, abrasion performance etc.; Insulativity, piezoelectricity, semiconductive, magnetic etc. are had in electrical property; But also there is its shortcoming, as fragility simultaneously.Therefore research and development new function pottery is a key areas in Materials science.
New ceramic material adopts the high purity mineral compound of synthetic to be raw material, the inorganic materials with fine crystalline tissue is made through shaping, sintering and other process under the strict condition controlled, there is a series of superior physics, chemistry and biological property, its range of application is that traditional ceramics is incomparable far away, therefore, special cermacis or fine ceramics is also called.
Summary of the invention
For above-mentioned demand, the object of this invention is to provide a kind of heat-resisting conducting ceramic material and preparation method thereof.
Object of the present invention can be achieved through the following technical solutions:
A kind of heat-resisting conducting ceramic material, be made up of the component comprising following weight part:
Nano aluminium oxide 95-98 part,
Ethylene glycol 5-8 part,
Barium oxide 3-5 part,
Nano titanium oxide 1-1.5 part,
Potassium fluozirconate 0.05-0.2 part,
Carbon nano fiber 0.02-0.2 part,
Manganous carbonate 0.02-0.04 part,
Tricobalt tetroxide 0.02-0.03 part,
Tourmaline powder 0.01-0.03 part,
Coal gangue 0.01-0.02 part,
Yttrium oxide 0.01-0.02 part.
Described component also comprises pigment 0-0.5 weight part.
Described component also comprises boron nitride 0-0.5 weight part.
Described component also comprises calcium aluminate 0-0.2 weight part.
The molecular-weight average of described ethylene glycol is 8000-10000.
A preparation method for heat-resisting conducting ceramic material, the method comprises the following steps:
(1) take nano aluminium oxide 95-98 weight part, ethylene glycol 5-8 weight part, carbon nano fiber 0.02-0.2 weight part, tricobalt tetroxide 0.02-0.03 weight part, tourmaline powder 0.01-0.03 weight part, coal gangue 0.01-0.02 weight part, yttrium oxide 0.01-0.02 weight part, pigment 0-0.5 weight part, boron nitride 0-0.5 weight part and calcium aluminate 0-0.2 weight part, adopt wet ball-milling method mixing 2-3 hour;
(2) barium oxide 3-5 weight part, nano titanium oxide 1-1.5 weight part, potassium fluozirconate 0.05-0.2 weight part and manganous carbonate 0.02-0.04 weight part is added under an inert atmosphere, be warming up to 900-950 DEG C, insulation 2-3 hour, compression moulding, sinters 2-3 hour in 1100-1250 DEG C;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 750-800 DEG C, and insulation 1-2 hour, naturally cooling, obtains heat-resisting conducting ceramic material.
compared with prior art, its beneficial effect is in the present invention:
(1) the heat-resisting conducting ceramic material that the present invention obtains has high temperature resistant, physical strength, corrosion resistance nature and wear resistance, and has the advantages that electric conductivity is high, lightweight, tensile strength is high and the life-span is long.
(2) the heat-resisting conducting ceramic material that the present invention obtains still can keep satisfactory stability and weathering resistance in different environments for use.
(3) heat-resisting conducting ceramic material of the present invention, its preparation method is simple, is easy to suitability for industrialized production.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
Embodiment 1
(1) take nano aluminium oxide 95kg, molecular-weight average be 8000 ethylene glycol 5kg, carbon nano fiber 0.02kg, tricobalt tetroxide 0.02kg, tourmaline powder 0.01kg, coal gangue 0.01kg, yttrium oxide 0.01kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 2 hours;
(2) add barium oxide 3kg, nano titanium oxide 1kg, potassium fluozirconate 0.05kg and manganous carbonate 0.02kg under an inert atmosphere, be warming up to 900 DEG C, be incubated 2 hours, compression moulding, in 1100 DEG C, sinter 2 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 750 DEG C, and be incubated 1 hour, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Embodiment 2
(1) take nano aluminium oxide 95kg, molecular-weight average be 8000 ethylene glycol 5kg, carbon nano fiber 0.02kg, tricobalt tetroxide 0.02kg, tourmaline powder 0.01kg, coal gangue 0.01kg and yttrium oxide 0.01kg, adopt wet ball-milling method to mix 2 hours;
(2) add barium oxide 3kg, nano titanium oxide 1kg, potassium fluozirconate 0.05kg and manganous carbonate 0.02kg under an inert atmosphere, be warming up to 900 DEG C, be incubated 2 hours, compression moulding, in 1100 DEG C, sinter 2 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 750 DEG C, and be incubated 1 hour, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Embodiment 3
(1) take nano aluminium oxide 98kg, molecular-weight average be 10000 ethylene glycol 8kg, carbon nano fiber 0.2kg, tricobalt tetroxide 0.03kg, tourmaline powder 0.03kg, coal gangue 0.02kg, yttrium oxide 0.02kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 3 hours;
(2) add barium oxide 5kg, nano titanium oxide 1.5kg, potassium fluozirconate 0.2kg and manganous carbonate 0.04kg under an inert atmosphere, be warming up to 950 DEG C, be incubated 3 hours, compression moulding, in 1250 DEG C, sinter 3 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 800 DEG C, and be incubated 2 hours, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Embodiment 4
(1) take nano aluminium oxide 98kg, molecular-weight average be 10000 ethylene glycol 8kg, carbon nano fiber 0.2kg, tricobalt tetroxide 0.03kg, tourmaline powder 0.03kg, coal gangue 0.01kg, yttrium oxide 0.01kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 3 hours;
(2) add barium oxide 5kg, nano titanium oxide 1.5kg, potassium fluozirconate 0.2kg and manganous carbonate 0.04kg under an inert atmosphere, be warming up to 950 DEG C, be incubated 3 hours, compression moulding, in 1250 DEG C, sinter 3 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 800 DEG C, and be incubated 2 hours, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Embodiment 5
(1) take nano aluminium oxide 97kg, molecular-weight average be 9000 ethylene glycol 7kg, carbon nano fiber 0.1kg, tricobalt tetroxide 0.02kg, tourmaline powder 0.02kg, coal gangue 0.01kg, yttrium oxide 0.01kg, pigment 0.2kg, boron nitride 0.2kg and calcium aluminate 0.1kg, adopt wet ball-milling method to mix 2 hours;
(2) add barium oxide 4kg, nano titanium oxide 1.2kg, potassium fluozirconate 0.1kg and manganous carbonate 0.03kg under an inert atmosphere, be warming up to 930 DEG C, be incubated 2 hours, compression moulding, in 1200 DEG C, sinter 2 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 780 DEG C, and be incubated 1 hour, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Comparative example 1
(1) take nano aluminium oxide 98kg, molecular-weight average be 10000 ethylene glycol 8kg, carbon nano fiber 0.2kg, tricobalt tetroxide 0.03kg, tourmaline powder 0.03kg, yttrium oxide 0.02kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 3 hours;
(2) add barium oxide 5kg, nano titanium oxide 1.5kg, potassium fluozirconate 0.2kg and manganous carbonate 0.04kg under an inert atmosphere, be warming up to 950 DEG C, be incubated 3 hours, compression moulding, in 1250 DEG C, sinter 3 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 800 DEG C, and be incubated 2 hours, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Comparative example 2
(1) take nano aluminium oxide 98kg, carbon nano fiber 0.2kg, tricobalt tetroxide 0.03kg, tourmaline powder 0.03kg, coal gangue 0.02kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 3 hours;
(2) add barium oxide 5kg, nano titanium oxide 1.5kg, potassium fluozirconate 0.2kg and manganous carbonate 0.04kg under an inert atmosphere, be warming up to 950 DEG C, be incubated 3 hours, compression moulding, in 1250 DEG C, sinter 3 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 800 DEG C, and be incubated 2 hours, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Comparative example 3
(1) take nano aluminium oxide 98kg, molecular-weight average be 10000 ethylene glycol 8kg, carbon nano fiber 0.2kg, tricobalt tetroxide 0.03kg, tourmaline powder 0.03kg, coal gangue 0.02kg, yttrium oxide 0.02kg, pigment 0.5kg, boron nitride 0.5kg and calcium aluminate 0.2kg, adopt wet ball-milling method to mix 3 hours;
(2) add barium oxide 5kg, nano titanium oxide 1.5kg and manganous carbonate 0.04kg under an inert atmosphere, be warming up to 950 DEG C, be incubated 3 hours, compression moulding, in 1250 DEG C, sinter 3 hours;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 800 DEG C, and be incubated 2 hours, naturally cooling, obtains heat-resisting conducting ceramic material.
The performance test results of obtained heat-resisting conducting ceramic material is as shown in table 1.
Table 1
| Test event | Thermal conductivity (W/ (Mk) | Piezoelectric coefficient d 33 (Pc/N) |
| Embodiment 1 | 3.2 | 865 |
| Embodiment 2 | 3.0 | 832 |
| Embodiment 3 | 3.3 | 881 |
| Embodiment 4 | 3.3 | 879 |
| Embodiment 5 | 3.1 | 883 |
| Comparative example 1 | 1.8 | 498 |
| Comparative example 2 | 1.6 | 529 |
| Comparative example 3 | 1.5 | 523 |
The invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (6)
1. a heat-resisting conducting ceramic material, is characterized in that, is made up of the component comprising following weight part:
Nano aluminium oxide 95-98 part,
Ethylene glycol 5-8 part,
Barium oxide 3-5 part,
Nano titanium oxide 1-1.5 part,
Potassium fluozirconate 0.05-0.2 part,
Carbon nano fiber 0.02-0.2 part,
Manganous carbonate 0.02-0.04 part,
Tricobalt tetroxide 0.02-0.03 part,
Tourmaline powder 0.01-0.03 part,
Coal gangue 0.01-0.02 part,
Yttrium oxide 0.01-0.02 part.
2. heat-resisting conducting ceramic material according to claim 1, is characterized in that, described component also comprises pigment 0-0.5 weight part.
3. heat-resisting conducting ceramic material according to claim 1, is characterized in that, described component also comprises boron nitride 0-0.5 weight part.
4. heat-resisting conducting ceramic material according to claim 1, is characterized in that, described component also comprises calcium aluminate 0-0.2 weight part.
5. heat-resisting conducting ceramic material according to claim 1, is characterized in that, the molecular-weight average of described ethylene glycol is 8000-10000.
6. a preparation method for heat-resisting conducting ceramic material, is characterized in that, the method comprises the following steps:
(1) take nano aluminium oxide 95-98 weight part, ethylene glycol 5-8 weight part, carbon nano fiber 0.02-0.2 weight part, tricobalt tetroxide 0.02-0.03 weight part, tourmaline powder 0.01-0.03 weight part, coal gangue 0.01-0.02 weight part, yttrium oxide 0.01-0.02 weight part, pigment 0-0.5 weight part, boron nitride 0-0.5 weight part and calcium aluminate 0-0.2 weight part, adopt wet ball-milling method mixing 2-3 hour;
(2) barium oxide 3-5 weight part, nano titanium oxide 1-1.5 weight part, potassium fluozirconate 0.05-0.2 weight part and manganous carbonate 0.02-0.04 weight part is added under an inert atmosphere, be warming up to 900-950 DEG C, insulation 2-3 hour, compression moulding, sinters 2-3 hour in 1100-1250 DEG C;
(3) by the product of step 2, the rate of temperature fall of 10 DEG C/min, cools the temperature to 750-800 DEG C, and insulation 1-2 hour, naturally cooling, obtains heat-resisting conducting ceramic material.
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| CN105523750A (en) * | 2016-01-26 | 2016-04-27 | 苏州羽帆新材料科技有限公司 | Photosensitive nano ceramic material and preparation method thereof |
| CN105541309A (en) * | 2016-01-26 | 2016-05-04 | 苏州羽帆新材料科技有限公司 | Temperature-sensitive conductive ceramic material and preparation method thereof |
| CN106011585A (en) * | 2016-07-28 | 2016-10-12 | 陈林美 | High-heat-resistance oxide-base cermet mold and preparation method thereof |
| CN106587969A (en) * | 2016-12-05 | 2017-04-26 | 苏州洛特兰新材料科技有限公司 | Low-dielectric-constant insulation composite ceramic material and preparation method thereof |
| CN110352178A (en) * | 2017-03-02 | 2019-10-18 | 大日精化工业株式会社 | Alumina series thermal conductivity oxide and its manufacturing method |
| CN115093203A (en) * | 2022-07-07 | 2022-09-23 | 张欢湛 | Preparation method of carbon-based aluminum oxide composite material |
| US11459276B2 (en) | 2015-09-16 | 2022-10-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Alumina-based heat conductive oxide and method for producing same |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US11459276B2 (en) | 2015-09-16 | 2022-10-04 | Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Alumina-based heat conductive oxide and method for producing same |
| CN105523750A (en) * | 2016-01-26 | 2016-04-27 | 苏州羽帆新材料科技有限公司 | Photosensitive nano ceramic material and preparation method thereof |
| CN105541309A (en) * | 2016-01-26 | 2016-05-04 | 苏州羽帆新材料科技有限公司 | Temperature-sensitive conductive ceramic material and preparation method thereof |
| CN106011585A (en) * | 2016-07-28 | 2016-10-12 | 陈林美 | High-heat-resistance oxide-base cermet mold and preparation method thereof |
| CN106587969A (en) * | 2016-12-05 | 2017-04-26 | 苏州洛特兰新材料科技有限公司 | Low-dielectric-constant insulation composite ceramic material and preparation method thereof |
| CN110352178A (en) * | 2017-03-02 | 2019-10-18 | 大日精化工业株式会社 | Alumina series thermal conductivity oxide and its manufacturing method |
| CN110352178B (en) * | 2017-03-02 | 2021-03-05 | 大日精化工业株式会社 | Alumina-based thermally conductive oxide and method for producing same |
| CN115093203A (en) * | 2022-07-07 | 2022-09-23 | 张欢湛 | Preparation method of carbon-based aluminum oxide composite material |
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