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Home  >  Journal list  >  Journal of the Ceramic Society of Japan ( 2003 - 2007 )  >  Vol.114  No.1329 (May) (2006)  >  pp.371-376

Journal of the Ceramic Society of Japan ( 2003 - 2007 )
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Fabrication of Highly Microstructure Controlled Ceramics by Novel Colloidal Processing

Yoshio SAKKA1)
1) Nano Ceramics Center, National Institute for Materials Science

  Highly microstructure controlled ceramics are required for improving their properties. Colloidal processing using fine particles provides this required control mechanism through a well-dispersed suspension or hetero-coagulate suspension. As a merit of colloidal processing, the preparation of superplastic zirconia is demonstrated using sub-micronsized powders. Highly microstructure controlled ceramics fabricated by a novel colloidal processing were demonstrated as follows: (i) dense nano-sized zirconia without pressure sintering, (ii) porous ceramics with controlled pore size by hetero-coagulated suspension of ceramics and polymer, and (iii) textured ceramics with feeble magnetic susceptibility by colloidal processing in a high magnetic field.



Keyword:
Colloidal processing, Nanostructured ceramics, Porous ceramics, Superplasticity, Textured ceramics, Zirconia, Alumina

Received: March 13, 2006
Published online: May 01, 2006
Copyright (c) 2006 The Ceramic Society of Japan

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