[Retracted] A Comparative Study on Crack-Healing Ability of Al<sub>2</sub>O<sub>3</sub>/SiC Structural Ceramic Composites Synthesized by Microwave Sintering and Conventional Electrical Sintering

<div>SEM micrographs of radial cracks produced by Vickers indentation in microwave sintered Al<sub>2</sub>O<sub>3</sub>/SiC structural ceramics (a) before crack-healing and (b) after crack-healing.</div>

Advances in Materials Science and Engineering

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Figure 6

Figure 6: [Retracted] A Comparative Study on Crack-Healing Ability of Al<sub>2</sub>O<sub>3</sub>/SiC Structural Ceramic Composites Synthesized by Microwave Sintering and Conventional Electrical Sintering 

Figure 6 | [Retracted] A Comparative Study on Crack-Healing Ability of Al2O3/SiC Structural Ceramic Composites Synthesized by Microwave Sintering and Conventional Electrical Sintering 