Method for preparing zirconium oxide hollow ceramic mahjong |
Title： |
| Method for preparing zirconium oxide hollow ceramic mahjong |
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Application Number： |
200310100370 |
Application Date： |
2003/10/14 |
Announcement Date： |
2004/09/15 |
Pub. Date： |
2006/06/07 |
Publication Number： |
1528577 |
Announcement Number： |
1258437 |
Grant Date： |
2006-6-7 |
Granted Pub. Date： |
2006-6-7 |
ApplicationType： |
Invention |
State/Country： |
11[China|beijing] |
IPC： |
B28B 1/00C01G 25/02A63F 9/20 |
Applicant(s)： |
Tsinghua Univ. |
Inventor(s)： |
Yang Jinlong, Zhang Yufeng, Ma Tian |
Key Words： |
preparation method, zirconium oxide, hollow, ceramic, mahjong |
Abstract： |
The invention discloses a method to prepare zirconia hollow ceramic mahjong, making its formed blank enwrap paraffine inside, melting the paraffine and discharge the melted paraffine from the preset outlet to obtain the zirconia ceramic mahjong blank, and then making high temperature sintering to obtain the lightweight zirconia hollow ceramic mahjong, which has very good tenacity and wearability, whose surface shows white, black, brown, yellow and blue and whose wall is 0.5-2 mm thick. |
Claim： |
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Priority： |
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PCT： |
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LegalStatus： |
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