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Expanded ceramic foam

Williams, EJAE; Evans, JRG; (1996) Expanded ceramic foam. Journal of Materials Science , 31 (3) pp. 559-563. 10.1007/BF00367869.

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A method for manufacturing low-density ceramic foam by applying the procedures used for expanded polystyrene is described. Alumina powder was incorporated into polystyrene at 50 vol % by high shear mixing and the pelletized product was immersed in pentane. Low-density foam mouldings were then produced by single-stage steam treatment. These mouldings retained their shape during pyrolysis of the polystyrene. The foams were then sintered to give a porous ceramic with a void content of about 84%. This process offers an inexpensive route for the manufacture of moulded porous ceramics, for example in refractory applications, and is expected to be able to serve a wide range of high-performance ceramic powders. © 1996 Chapman & Hall.

Type: Article
Title: Expanded ceramic foam
DOI: 10.1007/BF00367869
URI: http://discovery.ucl.ac.uk/id/eprint/702565
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