Preparation and Microstructure of CaZrO<sub>3</sub> Materials

CHEN Deping; ZHAO Hailei; ZHONG Xiangchong; WANG Jian

doi:10.13374/j.issn1001-053x.2000.01.025

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CHEN Deping, ZHAO Hailei, ZHONG Xiangchong, WANG Jian. Preparation and Microstructure of CaZrO3 Materials[J]. Chinese Journal of Engineering, 2000, 22(1): 1-3. doi: 10.13374/j.issn1001-053x.2000.01.025

Citation:

CHEN Deping, ZHAO Hailei, ZHONG Xiangchong, WANG Jian. Preparation and Microstructure of CaZrO₃ Materials[J]. Chinese Journal of Engineering, 2000, 22(1): 1-3. doi: 10.13374/j.issn1001-053x.2000.01.025

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Preparation and Microstructure of CaZrO₃ Materials

doi: 10.13374/j.issn1001-053x.2000.01.025

Resources Engineering School, UST Beijing, Beijing 100083, China

Received Date: 1999-03-23

Abstract

Abstract

CaZrO₃ containing the highest CaO colltellt of compounds in system CaO-ZrO₂ is a potential refractory material. A satisfactory CaZrO₃ raw material as formed from equimolar proportions of CaCO₃ and ZrO₂ subjected to two-stage synthesis:preparing first at 1450℃ and then refiring to 1 600℃. A close approach to theoretical density specimen was obtained with finely ground the raw material at 1700℃ sintering. By SEM the grains of CaZrO₃ with perfect morphology was found to be linking closely in it.
- calcium zirconate,
- synthesis,
- sintering,
- microstructure