Process for preparing mica-containing ceramic composite
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United States of America Patent
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Jan 19, 1993
Grant Date -
N/A
app pub date -
Jan 8, 1990
filing date -
Feb 27, 1989
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Abstract
Mica-containing ceramic composite having excellent characteristics such as capability of machining work, a small thermal expansion coefficient, high heat-shock resistant temperature difference as well as high heat deformation temperature, is prepared by: a) preparing powder mixture by blending 20 to 50% by weight of mica powder, 15 to 40% by weight of zinc oxide powder, 10 to 20% by weight of silica powder, 8 to 20% by weight of boric acid powder, and 4 to 20% by weight of cordierite powder; b) heating the powder mixture at a temperature of from 940.degree. C. to 1,050.degree. C. to prepare baked product; c) pulverizing the baked product into very fine powder to thereby obtain a shaping material; d) adding an organic binder to the shaping material to prepare a shaping composition; and e) shaping the shaping composition into a shaped body and heating a shaped body at a temperature ranging from 940.degree. C. to 1,050.degree. C. with simultaneous application of pressure to the shaped body to render the same into a baked body.
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- 15 United States
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- 8 Japan
- 7 China
- 5 Korea
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Patent Owner(s)
- MITSUBISHI DENKI KABUSHIKI KAISHA
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kato, Kazuharu | Amagasaki, JP | 8 | 85 |
Murakami, Tadaki | Amagasaki, JP | 8 | 50 |
Shirazawa, Takashi | Amagasaki, JP | 5 | 25 |
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Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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