Fluid Flow Model for Ceramic Tape Casting

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Abstract
The flow behavior of a ceramic slurry during tape casting is analyzed based on the principles of fluid dynamics. The fluid model yields explicit expressions for tape thickness as a function of viscosity, the pressure gradient, and the speed and geometry of the casting head. The theoretical predictions are verified by experiments using a perovskite slurry as the testing material. The results show that within the range of normal operating conditions a uniform tape thickness can be attained. Furthermore, it is feasible to maintain a high‐speed casting operation without any deleterious effect on the tape quality.

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