Paper Title:
Functional Gradient Alumina Ceramics with Controlled Porosity
  Abstract

The work deals with preparation of functional gradient alumina ceramics with controlled porosity by slip casting method of aqueous alumina suspension containing pore-generating agent. The sol-gel transition of AlO(OH) was employed to stabilize pore-generating agent in the suspension. The composite bodies with layers of variable porosity were prepared. Based on dilatometer measurement the admission difference of irreversible dilatation changes #αirr between compounded layers was determined in order to prepare defect free bi-layer bodies. The dependence of physical and mechanical properties of as fired composite bodies on the porosity value was expressed.

  Info
Periodical
Edited by
Marc Anglada et al.
Pages
223-226
DOI
10.4028/www.scientific.net/KEM.333.223
Citation
J. Andertová, J. Havrda, R. Tláskal, "Functional Gradient Alumina Ceramics with Controlled Porosity", Key Engineering Materials, Vol. 333, pp. 223-226, 2007
Online since
March 2007
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