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Real-time monitoring of cake thickness during slip casting

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Abstract

A test system was developed to measure cake growth for an alumina slip using a uniaxial, planar slip, casting assembly. This technique utilizes transducers configured in a pulse-echo mode to monitor cake thickness as a function of casting time. Studies were performed to determine the effect of varying slip properties on the attenuation of ultrasound. The ultrasonic velocity was independent of solid loading, φs=0.27−0.43, and slip viscosity, η=85–300 mPas. In addition, transducers with frequencies varying from 0.5 to 5 MHz were studied to determine the best frequency for monitoring the casting kinetics. A transducer frequency of 1 MHz was found to give the best peak resolution, and thus was best for monitoring cake thickness.

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Authors and Affiliations

  1. Department of Ceramics, Rutgers University, 08855-0909, Piscataway, NJ, USA

    A. G. Haerle & R. A. Haber

Authors
  1. A. G. Haerle
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  2. R. A. Haber
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Haerle, A.G., Haber, R.A. Real-time monitoring of cake thickness during slip casting. JOURNAL OF MATERIAL SCIENCE 28, 5679–5683 (1993). https://doi.org/10.1007/BF00365165

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