Experimental Analysis and Modeling of Slip Casting

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Abstract
The filtration mechanics of slip casting is extended to account for the filtrate transporting the finer particles to the bottom of the cake. Scanning electron micrographs of alumina (Al2O3) green microstructures illustrate that a higher concentration of fine particles can accumulate at the bottom section of a cake. The rheological behavior of alumina suspensions with different solids loadings, particle‐size distributions, and amounts of deflocculant is discussed. Slip‐casting experiments demonstrate that the rheology of a suspension greatly affects the green density and growth rate of the cake.

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