CN103910521A - High-strength steatite porcelain - Google Patents
High-strength steatite porcelain Download PDFInfo
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- CN103910521A CN103910521A CN201310004968.7A CN201310004968A CN103910521A CN 103910521 A CN103910521 A CN 103910521A CN 201310004968 A CN201310004968 A CN 201310004968A CN 103910521 A CN103910521 A CN 103910521A
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- porcelain
- steatite porcelain
- zinc oxide
- barium carbonate
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Abstract
The invention relates to a high-strength steatite porcelain. The high-strength steatite porcelain comprises talcum as a primary raw material, and also contains kaolin, zinc oxide, barium carbonate and zirconium silicate, and concretely comprises 40-50wt% of calcined talcum powder, 30-40wt% of uncalcined talcum powder, 1-4wt% of zinc oxide, 3-8wt% of barium carbonate and 0.1-1wt% of zirconium silicate. A production technology of the high-strength steatite porcelain comprises the steps of raw material burdening, wet ball milling, spray drying, dry-pressing molding and sintering, the firing temperature of the steatite porcelain obtained in the invention is 1300DEG C, the firing temperature range is 35DEG C, and the static rupture strength is 258MPa, and the steatite porcelain has the characteristics of good rupture strength and ageing resistance, and widened firing temperature.
Description
Technical field
The present invention relates to a kind of ceramic plastics on new materials.Particularly relate to the high strength talcum ceramics that a kind of mounting ceramics is used.
Background technology
Porcelain-like quality says it is take the porcelain as principal crystalline phase containing magnesian aluminosilicate conventionally, produces steatite ceramic raw material used and mainly contains talcum, clay, barium carbonate etc.The specific inductivity of steatite ceramic is low, dielectric loss angle tangent is low, insulation strength is high, volume specific resistance is high, and there is certain static bending strength and good chemical stability, acidproof, alkaline-resisting, corrosion-resistant, so more shown the advantage of steatite ceramic while being used as high-frequency device porcelain element.But along with opening up of porcelain-like quality range of application is wide, the deficiency that existing porcelain-like quality exists has revealed, the one, physical strength is inadequate, and particularly folding strength is low, can not adapt to automation assembling line; The 2nd, because causing porcelain body efflorescence, be full of cracks, strength decreased etc., the transformation of crystal of principal crystalline phase metasilicic acid magnesium worsens phenomenon; The 3rd, sintering range is narrow, generally only has 20 ℃ of left and right.As can be seen here, traditional porcelain-like quality material can not adapt to the now required applied field of high strength ceramic for mounting purposes.
Summary of the invention
In order to overcome the defect that the existing porcelain-like quality strength of materials is low, ageing resistance is poor, firing range is narrow, the invention provides a kind of high strength porcelain-like quality material, it not only has very high folding strength, be adapted to robot apparatus production line, and ageing resistance is good, firing range is wider.
The technical solution adopted for the present invention to solve the technical problems is: the composition take talcum as main raw material(s), and with addition of components such as kaolin, zinc oxide, barium carbonate and zirconium silicates.
This high strength porcelain-like quality formulation weight percentage composition is: calcinated talc powder: 40-50%; Raw talcum powder: 30-40%; Zinc oxide: 1-4%; Barium carbonate: 3-8%; Zirconium silicate: 0.1-1%.
About 1350 ℃ calcinings, be in order to destroy the original sheet structure of talcum by a part of talcum powder, reduce and shrink, improve folding strength; Add kaolin increase the plasticity-of powder and reduce sintering temperature; Add barium carbonate can improve the electrical property of steatite ceramic, improve the resistivity of material; The introducing of zinc oxide can adapt to widen firing range, and can suppress grain growing, is conducive to the formation of microlitic structure, can avoid the aging or efflorescence of steatite ceramic; Add zirconium silicate can improve the viscosity of glassy phase in porcelain-like quality, can effectively expand the sintering range of material and the physical strength of raising material.
The production technique of a kind of high strength porcelain-like quality of the present invention is: be dried → dry-pressing formed → sintering of feed proportioning → wet ball grinding → spraying.
The invention has the beneficial effects as follows: owing to having added zirconium silicate in talcum material, it can effectively improve the viscosity of glassy phase in porcelain-like quality, expand sintering range, the simultaneously full-bodied glass inhibiting grain growth of being on good terms, form fine crystalline structure, thereby improve the physical strength of porcelain body, make like this this porcelain folding strength higher, ageing resistance is better, and firing range is wider.
Embodiment
First take raw material by following raw material weight percentage composition, i.e. calcinated talc powder 45%, raw talcum powder 35%, kaolin 12%, zinc oxide 2.5%, zirconium silicate 0.5%, barium carbonate 5%.
After batching, technical process is as follows: be dried → dry-pressing formed → high temperature sintering of wet ball grinding → spraying → cleaning check.
Wherein talcum adopts haicheng talc, 1350 ℃ of talcous calcining temperatures, and kaolin is that machine selects Suzhou soil, zinc oxide, barium carbonate, zirconium silicate all adopt industrial pure material.
The firing temperature of this formula porcelain-like quality is 1300 ℃, and firing range is 35 ℃, and static folding strength is 258MPa.
Claims (1)
1. a high strength porcelain-like quality, it is made up of talcum powder, kaolin, zinc oxide, barium carbonate, it is characterized in that: the essentially consist proportioning of this stupalith is:
A kind of high strength porcelain-like quality according to claim 1, is characterized in that: in above-mentioned raw materials formula, be also added with a certain amount of zirconium silicate, the add-on of zirconium silicate is the 0.1-1% of gross weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004968.7A CN103910521A (en) | 2013-01-08 | 2013-01-08 | High-strength steatite porcelain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310004968.7A CN103910521A (en) | 2013-01-08 | 2013-01-08 | High-strength steatite porcelain |
Publications (1)
| Publication Number | Publication Date |
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| CN103910521A true CN103910521A (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201310004968.7A Pending CN103910521A (en) | 2013-01-08 | 2013-01-08 | High-strength steatite porcelain |
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| CN (1) | CN103910521A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043241A (en) * | 2017-04-26 | 2017-08-15 | 揭阳恒成陶瓷科技有限公司 | A kind of new steatite ceramic and preparation method thereof |
| CN112573915A (en) * | 2020-07-27 | 2021-03-30 | 牧雅阀门有限公司 | High-performance special ceramic material and preparation method thereof |
| CN112851321A (en) * | 2021-01-27 | 2021-05-28 | 深圳陶陶科技有限公司 | Steatite ceramic material and preparation method thereof |
| CN113480289A (en) * | 2021-07-22 | 2021-10-08 | 上饶市广丰区方正非矿开发有限公司 | High-strength cordierite porcelain and manufacturing method thereof |
| CN113493342A (en) * | 2021-07-14 | 2021-10-12 | 上饶市广丰区方正非矿开发有限公司 | High-grade magnesium daily porcelain and manufacturing method thereof |
| CN114315313A (en) * | 2021-12-31 | 2022-04-12 | 湖南英捷高科技有限责任公司 | Injection molding method of steatite porcelain |
| CN115536377A (en) * | 2022-11-29 | 2022-12-30 | 苏州中材非金属矿工业设计研究院有限公司 | Black talc mineral microwave medium ceramic material and preparation method thereof |
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| JP2005019632A (en) * | 2003-06-25 | 2005-01-20 | Koa Corp | Resistor and ceramic fixed resistor device |
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Patent Citations (4)
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| CN1179405A (en) * | 1997-11-04 | 1998-04-22 | 胡勇波 | Zirconium magnesium tempering porcelain |
| JP2005019632A (en) * | 2003-06-25 | 2005-01-20 | Koa Corp | Resistor and ceramic fixed resistor device |
| CN1724459A (en) * | 2005-06-23 | 2006-01-25 | 青岛科技大学 | Daily used reinforced ceramic and its preparation process |
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Non-Patent Citations (1)
| Title |
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| 范生辉: "滑石质介电陶瓷的制备及性能分析", 《中国优秀博硕士学位论文全文数据库（硕士） 工程科技Ⅰ辑》 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107043241A (en) * | 2017-04-26 | 2017-08-15 | 揭阳恒成陶瓷科技有限公司 | A kind of new steatite ceramic and preparation method thereof |
| CN107043241B (en) * | 2017-04-26 | 2020-06-09 | 揭阳恒成陶瓷科技有限公司 | Novel steatite porcelain and preparation method thereof |
| CN112573915A (en) * | 2020-07-27 | 2021-03-30 | 牧雅阀门有限公司 | High-performance special ceramic material and preparation method thereof |
| CN112851321A (en) * | 2021-01-27 | 2021-05-28 | 深圳陶陶科技有限公司 | Steatite ceramic material and preparation method thereof |
| CN113493342A (en) * | 2021-07-14 | 2021-10-12 | 上饶市广丰区方正非矿开发有限公司 | High-grade magnesium daily porcelain and manufacturing method thereof |
| CN113480289A (en) * | 2021-07-22 | 2021-10-08 | 上饶市广丰区方正非矿开发有限公司 | High-strength cordierite porcelain and manufacturing method thereof |
| CN114315313A (en) * | 2021-12-31 | 2022-04-12 | 湖南英捷高科技有限责任公司 | Injection molding method of steatite porcelain |
| CN114315313B (en) * | 2021-12-31 | 2023-08-22 | 湖南英捷高科技有限责任公司 | Injection molding method of talcum porcelain |
| CN115536377A (en) * | 2022-11-29 | 2022-12-30 | 苏州中材非金属矿工业设计研究院有限公司 | Black talc mineral microwave medium ceramic material and preparation method thereof |
| WO2024114334A1 (en) * | 2022-11-29 | 2024-06-06 | 苏州中材非金属矿工业设计研究院有限公司 | Black talc mineral microwave dielectric ceramic material and preparation method therefor |
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Application publication date: 20140709 |