ZrB2陶瓷制备研究进展

Research progress of preparation of zirconium boride ceramics

航天航空、新兵器、新能源等高科技领域的快速发展对超高温陶瓷材料提出了迫切的需求,ZrB2陶瓷材料是最重要的超高温陶瓷材料之一。本文阐明了ZrB2陶瓷拥有优异性能的原因,综述了ZrB2陶瓷材料的制备研究进展,介绍了固相法、气相法、前体法制备ZrB2陶瓷材料的机理,对比了各种ZrB2陶瓷材料制备方法的优缺点,并指出了有机前体转化法具有可设计性好、不含杂质元素、成型可控、陶瓷转化温度低等优点。本文总结得出有机前体转化法是制备ZrB2超高温陶瓷复合材料较理想的方法,以及基于有机聚合物的ZrB2陶瓷前体是未来重要的发展方向之一。

Zirconium boride is one of the most important ultrahigh temperature ceramics（UHTCs）, which are urgently required for the development of the aerospace,advanced weapons,and energy. In this paper the reasons for excellent function of zirconium boride are discussed,and the progress of preparation of zirconium boride is reviewed. The mechanisms of preparation processes of zirconium boride,such as soild-phase methods,vapor-phase methods,and precursor methods are introduced. Their advantages and disadvantages are compared. Accordingly,polymer-derived ceramic is an ideal processy for preparing zirconium boride ultrahigh temperature ceramic matrix composites for its easy design,high purity,controllable molding and low transform temperature. So the study on polymer precursor of zirconium boride ceramics would be one of the most important directions of development.