【摘要】 SiBCN系亚稳陶瓷及其复合材料具有独特的微观组织结构和优异的高温性能，在高温氧化、剧烈热震、燃气流烧蚀等苛刻条件下具有很大的应用潜力。本文以机械合金化法制备的SiBCN系亚稳陶瓷及其复合材料为主线，总结了近年来基于机械合金化技术的SiBCN系非晶陶瓷粉体和块体陶瓷的微观结构特征与演变、力学性能、抗氧化性能、抗热震性能和耐烧蚀性能的研究进展，并与前驱体衍生的同类材料进行了对比分析，最后指出了更高性能SiBCN系亚稳陶瓷材料的未来研究重点与发展趋势。更多还原

【Abstract】 SiBCN based metastable ceramics and their composites possess unique microstructure and excellent high-temperature performance, and exhibit significant application potential under harsh conditions such as high-temperature oxidation, severe thermal shock, and gas flow ablation. This review focused on the SiBCN based metastable ceramics and their composites by mechanical alloying, summarized the research progress on the microstructure characteristics and evolution, mechanical properties, oxidation resistance, thermal shock resistance, and ablation resistance of SiBCN based amorphous ceramic powders and bulk ceramics based on mechanical alloying technology in recent years, also in comparison with the polymer derived counterparts. The future research focus and development trend of SiBCN based metastable ceramics with higher performance were finally pointed out.更多还原