碳化硼颗粒级配对硅反应结合碳化硼复合材料结构与性能的影响

夏乾, 孙是昊, 赵义亮, 张翠萍, 茹红强, 王伟, 岳新艳

Effect of Boron Carbide Particle Size Distribution on the Microstructure and Properties of Reaction Bonded Boron Carbide Ceramic Composites by Silicon Infiltration

XIA Qian, SUN Shihao, ZHAO Yiliang, ZHANG Cuiping, RU Hongqiang, WANG Wei, YUE Xinyan

表1 B4C原料粉体的颗粒级配配方(%, 质量分数)

Table 1 Ratio of B4C raw material powders with different particle size distributions (%, in mass)

Group Diameter of B4C powders (D50)/μm 3.5 14 28 45 70 120 1 100 0 0 0 0 0 2 15 40 15 30 0 0 3 33 25 0 42 0 0 4 26 32 0 42 0 0 5 40 24 0 0 36 0 6 30 28 0 0 36 0 7 33 25 0 0 42 0 8 40 0 18 0 0 42 9 30 0 28 0 0 42 10 19 14 25 0 0 42 11 20 15 0 0 0 65 12 0 0 0 0 0 100