Microstructural Changes of Reactively Sintered Porous CaZrO3/MgAl2O4 Composites from Different Sources

Yoshikazu SUZUKI; Naoki KONDO; Tatsuki OHJI

doi:10.14853/pcersj.2003F.0.696.0

16th Fall Meeting of The Ceramic Society of Japan & The 5th International Meeting of Pacific Rim Ceramic Societies(PacRim5)

Session ID : 14-O-01

DOI https://doi.org/10.14853/pcersj.2003F.0.696.0

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Host: The Ceramic Society of Japan

Microstructural Changes of Reactively Sintered Porous CaZrO₃/MgAl₂O₄ Composites from Different Sources

*Yoshikazu SUZUKI, Naoki KONDO, Tatsuki OHJI

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Abstract

The CaZrO3/MgAl2O4 quasibinary system is promising for high-temperature structural applications at high temperatures. In our previous study, porous CaZrO3/MgAl2O4 composites with high strength were successfully prepared via reactive sintering of CaMg(CO3)2, ZrO2 and Al2O3 mixtures. In this study, several types of porous CaZrO3/MgAl2O4 composites were prepared by using reactive sintering of different powder mixtures. The initial CO2 composition in powder mixtures and the additives strongly affected the porous microstructure.

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