Research Article
BN Nanoparticles/Si3N4 Wave-Transparent Composites with High Strength and Low Dielectric Constant
Figure 4
The SEM images of the BNnp/Si3N4 composites. (a) 10 vol% fracture surface; (b) 20 vol% fracture surface; (c) 10 vol% polished and etched surface; (d) 20 vol% polished and etched surface.