CN103739273B - Insulating ceramic material and preparation method thereof - Google Patents
Insulating ceramic material and preparation method thereof Download PDFInfo
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- CN103739273B CN103739273B CN201310715168.6A CN201310715168A CN103739273B CN 103739273 B CN103739273 B CN 103739273B CN 201310715168 A CN201310715168 A CN 201310715168A CN 103739273 B CN103739273 B CN 103739273B
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Abstract
The invention provides an insulating ceramic material and a preparation method thereof. The insulating ceramic material is prepared from the following raw materials in parts by weight: 10-15 parts of barium titanate, 5-15 parts of aluminum oxide, 5-10 parts of silicon nitride, 15-20 parts of kaolin, 2-6 parts of quartz powder and 15-45 parts of sodium hydroxide solution having the mass fraction of 20%. As the quartz powder is added to the ceramic material, so that the ceramic material is improved in insulation property and abrasive resistance, and as a result, the application of the ceramic material to the electronic products is expanded.
Description
Technical field
The invention belongs to field of ceramic material preparation, particularly relate to a kind of insulating ceramic materials and preparation method thereof.
Background technology
Ceramic species is a lot, is now widely used in chemical field, electronic applications etc.Wherein alumina-ceramic and barium titanate have excellent physical and chemical performance, are called one of material that electricity field is conventional.In prior art, the insulating resistance value of alumina preparation is low, and insulating property are not high, reduces the durability of product.
Summary of the invention
For the deficiencies in the prior art, the invention provides a kind of insulating ceramic materials and preparation method thereof.
For solving existing issue the technical solution used in the present invention be: a kind of insulating ceramic materials, comprise the following raw material counted by weight: barium titanate 10-15 part, aluminum oxide 5-15 part, silicon nitride 5-10 part, kaolin 15-20 part, silica powder 2-6 part, massfraction is sodium hydroxide solution 15-45 part of 20%.
Preferably, silica powder size is 100 orders.
The preparation method of above-mentioned a kind of insulating ceramic materials, comprises the following steps:
(1) raw material is taken according to parts by weight;
(2) mixture of above-mentioned steps is put into shredder, grinding 2-5 hour, and then adds the sodium hydroxide solution that massfraction is 20%, and after stirring, processing obtains ceramic powder in the nodulizer of 150-220 DEG C again;
(3) above-mentioned ceramic powder is vacuumized under 121MPa, pressurize 5-10 minute, repeated once, after altogether vacuumizing 3-5 time, to become work in-process every 2-5 minute;
(4) calcine under above-mentioned work in-process normal pressure 1200-1500 DEG C, be incubated 1.5-3 hour and obtain insulating ceramic materials.
Preferably, work in-process calcining at 1500 DEG C at ambient pressure.
Beneficial effect of the present invention: owing to the addition of silica powder in stupalith, makes stupalith insulativity and wear resistance increase, expands the application in stupalith electronic product.
Embodiment
Below by specific embodiment, the present invention is further described in detail.
Embodiment 1
A kind of insulating ceramic materials, comprise the following raw material counted by weight: barium titanate 10 parts, 5 parts, aluminum oxide, silicon nitride 5 parts, kaolin 15 parts, 100 order silica powders 2 parts, massfraction is the sodium hydroxide solution 15 parts of 20%.
A preparation method for insulating ceramic materials, comprises the following steps:
(1) take barium titanate 10 parts, 5 parts, aluminum oxide, silicon nitride 5 parts, kaolin 15 parts, 100 order silica powders 2 parts, massfraction is the sodium hydroxide solution 15 parts of 20%;
(2) by barium titanate 10 parts, 5 parts, aluminum oxide, silicon nitride 5 parts, kaolin 15 parts, shredder is put into after 100 order silica powders 2 parts mix, grind 2 hours, and then add the sodium hydroxide solution 15 parts that massfraction is 20%, after stirring, processing obtains ceramic powder in the nodulizer of 150 DEG C again;
(3) vacuumized under 121MPa by above-mentioned ceramic powder, pressurize 5 minutes, repeated once every 2 minutes, became work in-process after altogether vacuumizing 3 times;
(4) calcine at lower for above-mentioned work in-process normal pressure 1200 DEG C, be incubated 1.5 hours and obtain insulating ceramic materials.
Embodiment 2
A kind of insulating ceramic materials, comprise the following raw material counted by weight: barium titanate 15 parts, 15 parts, aluminum oxide, silicon nitride 10 parts, kaolin 20 parts, 100 order silica powders 6 parts, massfraction is the sodium hydroxide solution 45 parts of 20%.
A preparation method for insulating ceramic materials, comprises the following steps:
(1) take barium titanate 15 parts, 15 parts, aluminum oxide, silicon nitride 10 parts, kaolin 20 parts, 100 order silica powders 6 parts, massfraction is the sodium hydroxide solution 45 parts of 20%;
(2) by barium titanate 15 parts, 15 parts, aluminum oxide, silicon nitride 10 parts, kaolin 20 parts, shredder is put into after silica powder 6 parts mixes, grind 5 hours, and then add the sodium hydroxide solution 45 parts that massfraction is 20%, after stirring, processing obtains ceramic powder in the nodulizer of 220 DEG C again;
(3) vacuumized under 121MPa by above-mentioned ceramic powder, pressurize 10 minutes, repeated once every 5 minutes, became work in-process after altogether vacuumizing 5 times;
(4) calcine at lower for above-mentioned work in-process normal pressure 1500 DEG C, be incubated 3 hours and obtain insulating ceramic materials.
Embodiment 3
A kind of insulating ceramic materials, comprise the following raw material counted by weight: barium titanate 13 parts, 10 parts, aluminum oxide, silicon nitride 8 parts, kaolin 18 parts, 100 order silica powders 5 parts, massfraction is the sodium hydroxide solution 30 parts of 20%.
A preparation method for insulating ceramic materials, comprises the following steps:
(1) take barium titanate 13 parts, 10 parts, aluminum oxide, silicon nitride 8 parts, kaolin 18 parts, 100 order silica powders 5 parts, massfraction is the sodium hydroxide solution 30 parts of 20%;
(2) by barium titanate 13 parts, 10 parts, aluminum oxide, silicon nitride 8 parts, kaolin 18 parts, puts into shredder after silica powder 5 parts mixes, and grinds 3 hours, and then add the sodium hydroxide solution 30 parts that massfraction is 20%, after stirring, processing obtains ceramic powder in the nodulizer of 200 DEG C again;
(3) vacuumized under 121MPa by above-mentioned ceramic powder, pressurize 8 minutes, repeated once every 4 minutes, became work in-process after altogether vacuumizing 4 times;
(4) calcine at lower for above-mentioned work in-process normal pressure 1300 DEG C, be incubated 2 hours and obtain insulating ceramic materials.
Insulating ceramic materials of the present invention carries out the detection of specific inductivity and voltage breakdown, and comparative sample is existing insulating ceramic materials, and result is as described in Table 1.
In addition, the invention is not restricted to above-mentioned embodiment, as long as not exceeding in scope of the present invention, various mode can be taked to implement the present invention.
Claims (2)
1. an insulating ceramic materials, is characterized in that comprising the following raw material counted by weight: barium titanate 10-15 part, aluminum oxide 5-15 part, silicon nitride 5-10 part, kaolin 15-20 part, silica powder 2-6 part, and massfraction is sodium hydroxide solution 15-45 part of 20%.
2. a kind of insulating ceramic materials according to claim 1, is characterized in that: silica powder size is 100 orders.
3. the preparation method of a kind of insulating ceramic materials according to claim 1, is characterized in that comprising the following steps:
(1) raw material is taken according to parts by weight;
(2) by the barium titanate of above-mentioned steps, aluminum oxide, silicon nitride, kaolin and silica powder, put into shredder, grinding 2-5 hour, and then add the sodium hydroxide solution that massfraction is 20%, after stirring, in the nodulizer of 150-220 DEG C, processing obtains ceramic powder;
(3) above-mentioned ceramic powder is vacuumized under 121MPa, pressurize 5-10 minute, repeated once, after altogether vacuumizing 3-5 time, to become work in-process every 2-5 minute;
(4) calcine under above-mentioned work in-process normal pressure 1200-1500 DEG C, be incubated 1.5-3 hour and obtain insulating ceramic materials.
4. the preparation method of a kind of insulating ceramic materials according to claim 3, is characterized in that: work in-process calcining at 1500 DEG C at ambient pressure.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310715168.6A CN103739273B (en) | 2013-12-23 | 2013-12-23 | Insulating ceramic material and preparation method thereof |
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| CN201310715168.6A CN103739273B (en) | 2013-12-23 | 2013-12-23 | Insulating ceramic material and preparation method thereof |
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| CN103739273A CN103739273A (en) | 2014-04-23 |
| CN103739273B true CN103739273B (en) | 2015-05-20 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105198407B (en) * | 2015-09-24 | 2018-04-24 | 刘淑敏 | A kind of preparation method of electric power composite ceramics binding post |
| CN108298962A (en) * | 2015-09-24 | 2018-07-20 | 于洋 | A kind of preparation method of high voltage suspended ceramic wiring terminal |
| CN106007672B (en) * | 2016-05-18 | 2018-07-31 | 湖南圣瓷科技有限公司 | The preparation method and its insulating ceramics of a kind of electric power insulating ceramics and application |
| CN106003393B (en) * | 2016-07-12 | 2019-01-29 | 苏州宏泉高压电容器有限公司 | A kind of automatic removing machine of high voltage ceramic capacitor ceramic dielectric chip burr |
| 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 |
| CN106588061A (en) * | 2016-12-07 | 2017-04-26 | 苏州洛特兰新材料科技有限公司 | Ceramic composite material added with nickel carbonyl powder and preparation method thereof |
| CN108503345A (en) * | 2018-07-03 | 2018-09-07 | 贵州大学 | A kind of technique of ardealite and low product bauxite insulating ceramic materials coproduction acid |
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| CN102515694B (en) * | 2011-12-29 | 2013-05-01 | 浙江晟翔电子科技有限公司 | Preparation method for insulating fillers |
| CN103113090A (en) * | 2012-12-12 | 2013-05-22 | 杨益 | Ceramic material and preparation method thereof |
| CN103435335B (en) * | 2013-08-13 | 2015-10-14 | 山东博润工业技术股份有限公司 | The preparation method of alumina ceramic material |
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