Effect of Initial Porosity on Mechanical Properties of C/SiC Composites Fabricated by Silicon Melt Infiltration Process
Four kinds of raw C/C composites with a density between 1.25~1.66g/㎤ were used in order to investigate the effect of the initial porosity of C/C composites on mechanical properties of liquid silicon infiltrated C/SiC composites. The microstructure observation, image analysis and flexural strength test of the composites were performed. The density and microstructural changes with the variation of the initial porosity was discussed in the terms of the infiltration behavior of liquid silicon and the reaction between liquid silicon and matrix carbon.
Kikuo Kishimoto, Masanori Kikuchi, Tetsuo Shoji and Masumi Saka
D. S. Bae et al., "Effect of Initial Porosity on Mechanical Properties of C/SiC Composites Fabricated by Silicon Melt Infiltration Process", Key Engineering Materials, Vols. 261-263, pp. 1445-1450, 2004