摘要
氮化硅多孔陶瓷是近年来得到广泛关注的一类新型的结构?功能一体化陶瓷材料,在航空航天、机械、化工、海洋工程等重要领域有着广阔的应用前景。本文介绍了氮化硅基多孔陶瓷的主要制备技术,回顾了氮化硅基多孔陶瓷力学性能和介电性能的研究进展。考虑到高孔隙率氮化硅基多孔陶瓷力学性能难以提高,磷酸盐结合氮化硅基多孔陶瓷已经逐渐成为新的研究热点,因此,本文进一步对磷酸盐结合氮化硅基多孔陶瓷的制备技术、力学性能、介电性能、热学性能进行了综合评述,并对氮化硅基多孔陶瓷的应用前景进行了展望。
Silicon nitride porous ceramics is an advanced type of structure –function integration ceramic materials which is popular in recently, and it has profound application prospect in aerospace, machinery, chemistry, oceanographic engineering and other significant domain. In this article, the main preparation technologies of porous Si_3N_4 ceramics have been summarized, and the research progress about the mechanical and dielectric properties of porous Si_3N_4 ceramics have been reviewed in this paper. Further, consider about the problem that it is hard to improve the mechanical properties of porous Si_3N_4 ceramics with high porosity, the research hotspot is moving on porous Si_3N_4 ceramics with phosphate binder. Therefore, their preparation technologies, mechanical, dielectric and thermal properties have been analyzed in further, and the potential application of porous Si_3N_4 ceramics was discussed.
出处
《现代技术陶瓷》
CAS
2016年第2期75-93,共19页
Advanced Ceramics
基金
国家自然科学基金(51402188)
关键词
氮化硅多孔陶瓷
制备技术
孔隙结构
力学性能
介电性能
Porous Si3N4 ceramic
Preparation technique
Porous structure
Mechanical property
Dielectric property
