Alumina reinforced SiC particles and whiskers composites having high crack-healing ability and fracture toughness were prepared. The crack-healing behavior was systematically investigated. From the obtained results, the mechanisms of the composites were studied. For the crack-healing by SiC whiskers alone, partial bonds were formed by connecting between the crack surface and the bridging SiC whiskers. As a result, the crack-healed part has low reliability although the strength is sufficiently recovered by crack-healing. On the contrary, alumina/SiC particles/SiC whiskers multi-composite could form the crack-healed part having high reliability, as the space between the crack surfaces was completely filled with the formed oxide. © 2005 The Japan Institute of Metals.
CITATION STYLE
Nakao, W., Osada, T., Yamane, K., Takahashi, K., & Ando, K. (2005). Crack-healing mechanism by alumina/SiC particles/SiC whiskers multi-composite. Nippon Kinzoku Gakkaishi/Journal of the Japan Institute of Metals, 69(8), 663–666. https://doi.org/10.2320/jinstmet.69.663
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