Particle Size and Permeability in Slip Casting

  • G. W. Phelps
Part of the Materials Science Research book series (MSR, volume 11)


Ceramic slips are suspensions of polydisperse, lyophobic particles in a liquid, with particles ranging more or less continuously from an upper to some lower size limit. Colloidal lyophobic particles aggregate readily in suspensions, owing to Brownian motion and attracting van der Waals forces, unless these forces are offset by electric double-layers or liquid-solid affinity or both1. Casting slips are fluid high solids suspensions of one or more particulate materials deflocculated by one or more agents that cause development of diffuse electric double-layers. Certain other agents promote compression of double-layers and lead to coagulation. In practice, casting slip rheological and casting properties are controlled by a balance between coagulating and deflocculating agents2.


Void Fraction Sodium Silicate Sodium Silicate Solution Slip Casting Equivalent Spherical Diameter 
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Copyright information

© Plenum Press, New York 1978

Authors and Affiliations

  • G. W. Phelps
    • 1
  1. 1.Rutgers UniversityNew BrunswickUSA

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