TiC-TiB2 is an emerging and promising composite new ceramics with many desirable characteristics,such as high melting temperature,high hardness,good wear and erosion-resistance,and excellent electrical conductivity.In this paper,the current status of research on its preparing techniques,structure,properties and mechanism are reviewed.TiC-TiB2's main applications and future directions of research are also described.
【基金】
航天支撑基金
【分类号】
TB332
【正文快照】
O 引言 二硼化钛陶瓷是一类具有特殊物理性能的陶瓷。由于它具有极高的熔点、高的化学稳定性、高的硬度和优异的耐磨性,作为硬质工具材料、磨料、合金添加剂及耐磨部件而广泛地应用。同时,这类材料又具有优良的导电性能,因而作为惰性电极材料及高温电工材料引人注目,目前已经研