超高温氧化物共晶复合陶瓷研究进展

Oxide-based eutectic composite ceramics possess excellent mechanical properties, high-temperature microstructure stability, and superior oxidation resistance and corrosion resistance, which have been considered as the most promising candidates applied in high-temperature oxygen-enriched environment above 1400 ℃ for long periods. This paper systematically reviews the important development of processing, microstructures and properties of oxide-based eutectic composite ceramics in the past few years. Specially, the progress in microstructure characteristic, solidification behavior, crystal orientation relationships, mechanical properties and toughening method of super-high temperature gradient directionally solidified eutectic ceramic in our group are highlighted. Lastly, the prospects and future developments in this field are proposed.