CN104140257A - Cordierite ceramic material capable of being used for dielectrics - Google Patents
Cordierite ceramic material capable of being used for dielectrics Download PDFInfo
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- CN104140257A CN104140257A CN201410365628.1A CN201410365628A CN104140257A CN 104140257 A CN104140257 A CN 104140257A CN 201410365628 A CN201410365628 A CN 201410365628A CN 104140257 A CN104140257 A CN 104140257A
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- cordierite
- ceramic material
- cordierite ceramic
- dielectrics
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Abstract
The invention discloses a cordierite ceramic material capable of being used for dielectrics. The cordierite ceramic material is characterized by comprising the following matters of, by weight, 35-61 parts of cordierite, 11-42 parts of amorphous silica powder, 10-40 parts of cyclohexanone, 12-54 parts of polyacrylate, 1.5-16.7 parts of zirconium silicate, 5-31 parts of aluminum oxide, 5.5-17.6 parts of magnesium carbonate, 11-28 parts of potassium oxide, 7-14 parts of titanium dioxide, 4-41 parts of steatite ceramics, 5-31 parts of quartz, 3.5-7.4 parts of magnesium hydrate and 10-40 parts of methylbenzene. The cordierite ceramic material is superior in performance, achieves good dielectric performance and is widely suitable for being used for manufacturing high-temperature high-stability ceramic devices superior in dielectric performance, simple in preparation technology, low in cost and suitable for industrial production.
Description
Technical field
The present invention relates to a kind of cordierite ceramica material that can be used for dielectric.
Background technology
Cordierite ceramic has lower thermal expansivity, excellent high-temperature stability, good dielectric properties and ir radiation ability, excellent chemical stability etc., thereby at automobile, environmental protection, metallurgy, chemical industry, electronic industry and aerospace industry etc. requires strict field to get more and more applications to resistance to elevated temperatures and hot expansibility.Trichroite was synthesized and obtained name early than 1889, mainly contained two kinds of crystal formations, i.e. high temperature α type and low temperature bata type.High temperature α type has advantages of that physical strength is high, thermal shock resistance is high, and is high-temperature stable phase, and the ratio of the α type trichroite phase therefore containing in material should be high as much as possible.
According to document and patent report, the main method of preparing cordierite ceramic comprises following three kinds at present: one, adopt solid reaction process preparation taking aluminum oxide, clay and talcum etc. as raw material; Two, prepare cordierite glass-ceramic with magnesium oxide, aluminum oxide and silicon-dioxide by scorification or sintering process; Three, adopt colloidal sol-gel method be hydrolyzed and prepare sintering after amorphous powder by metal alkoxide, prepare cordierite glass-ceramic.
In cordierite ceramica material prepared by above three kinds of methods, α type trichroite content is lower, exist a large amount of impurity or glassy phase, and physical strength is not high enough.Be raw material by introducing nano aluminium oxide and amorphous silicon di-oxide, and adopt atmosphere protection hot-pressing sintering method to prepare to have the research of the pure α type cordierite ceramica material of higher physical strength and lower thermal expansivity have not been reported.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of cordierite ceramica material that can be used for dielectric.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of cordierite ceramica material that can be used for dielectric, it is characterized in that, comprise the material of following parts by weight: trichroite 35-61 part, amorphous silica powder 11-42 part, pimelinketone 10-40 part, polyacrylic ester 12-54 part, zirconium silicate 1.5-16.7 part, aluminium sesquioxide 5-31 part, magnesiumcarbonate 5.5-17.6 part, potassium oxide 11-28 part, titanium dioxide 7-14 part, steatite ceramic 4-41 part, quartz 5-31 part, magnesium hydroxide 3.5-7.4 part, toluene 10-40 part.
The invention has the beneficial effects as follows:
1, cordierite ceramica material excellent performance of the present invention, reaches reasonable dielectric properties.
2, the present invention is widely used in making the ceramic component of the high temp. high stable that dielectric properties are good.
3, preparation technology of the present invention is simple, and cost is lower, is applicable to suitability for industrialized production.
Embodiment
Embodiment 1
Can be used for a cordierite ceramica material for dielectric, comprise the material of following parts by weight: 35 parts of trichroites, 11 parts, amorphous silica powder, 10 parts of pimelinketone, 12 parts of polyacrylic ester, 1. 7 parts of zirconium silicates, 5 parts of aluminium sesquioxides, 5.5 parts, magnesiumcarbonate, 11 parts of potassium oxides, 7 parts of titanium dioxide, 4 parts of steatite ceramics, 5 parts, quartz, 3.5 parts of magnesium hydroxides, toluene 10-40 part.
Embodiment 2
Can be used for a cordierite ceramica material for dielectric, comprise the material of following parts by weight: 61 parts of trichroites, 42 parts, amorphous silica powder, 40 parts of pimelinketone, 54 parts of polyacrylic ester, 16.7 parts of zirconium silicates, 31 parts of aluminium sesquioxides, 17.6 parts, magnesiumcarbonate, 28 parts of potassium oxides, 14 parts of titanium dioxide, 41 parts of steatite ceramics, 31 parts, quartz, 7.4 parts of magnesium hydroxides, 40 parts of toluene.
Claims (1)
1. a cordierite ceramica material that can be used for dielectric, is characterized in that, comprises the material of following parts by weight: trichroite 35-61 part, amorphous silica powder 11-42 part, pimelinketone 10-40 part, polyacrylic ester 12-54 part, zirconium silicate 1.5-16.7 part, aluminium sesquioxide 5-31 part, magnesiumcarbonate 5.5-17.6 part, potassium oxide 11-28 part, titanium dioxide 7-14 part, steatite ceramic 4-41 part, quartzy 5-31 part, magnesium hydroxide 3.5-7.4 part, toluene 10-40 part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365628.1A CN104140257A (en) | 2014-07-30 | 2014-07-30 | Cordierite ceramic material capable of being used for dielectrics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410365628.1A CN104140257A (en) | 2014-07-30 | 2014-07-30 | Cordierite ceramic material capable of being used for dielectrics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104140257A true CN104140257A (en) | 2014-11-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410365628.1A Withdrawn CN104140257A (en) | 2014-07-30 | 2014-07-30 | Cordierite ceramic material capable of being used for dielectrics |
Country Status (1)
| Country | Link |
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| CN (1) | CN104140257A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975923A (en) * | 2018-07-24 | 2018-12-11 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume |
-
2014
- 2014-07-30 CN CN201410365628.1A patent/CN104140257A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108975923A (en) * | 2018-07-24 | 2018-12-11 | 广东金刚新材料有限公司 | A kind of anti-thermal shock and the stable ceramic rod and preparation method thereof of high volume |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20141112 |