Research Article
[Retracted] A Comparative Study on Crack-Healing Ability of Al2O3/SiC Structural Ceramic Composites Synthesized by Microwave Sintering and Conventional Electrical Sintering
Figure 2
SEM figures of conventional electrical sintered Al2O3/xwt.% SiC samples: (a) 5 wt. %SiC; (b) 10 wt.%SiC; (c) 15 wt.%SiC; (d) 20 wt.%SiC.