科研之友
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摘要
Al(2)O(3) sheets were prepared by aqueous tape casting and the functions of organic additions in the slurry were studied. The results indicated that when polyacrylic acid (PAA) was used as dispersant, polyvinyl alcohol (PVA) as binder and polyethylene glycol (PEG) as plasticizer, stable slurries of well dispersed agents and proper viscosity could be obtained by adjusting the pH value to 9.0 similar to 10.0. This allows the production of smooth, strong and flexible green tapes. Crack-free 99.5Al(2)O(3) ceramic sheets with high density (99%) were achieved after sintering.
- 出版日期2008-1
- 单位景德镇陶瓷大学
