3488 V. Garnieret al /Journal of the European Ceramic Sociery 25(2005)3485-3493 Fig. 3. SEM micrographs of a fracture surface of Al2O3/35 vol. SiC whiskers, showing inter and intragranular mode failure and whisker pullout, (a)"L whisker and(b)H whisker. 29nm Fig 4. TEM micrograph of Al2O3/35 vol. SiC whisker "L' composite, showing crack deflection along whisker/matrix interface snm Fig. 5. TEM micrograph of Al2 O3/35 vol. SiC whiskers'L' composite, showing the appearance of a glass layer along the alumina/whisker interface3488 V. Garnier et al. / Journal of the European Ceramic Society 25 (2005) 3485–3493 Fig. 3. SEM micrographs of a fracture surface of Al2O3/35 vol.% SiC whiskers, showing inter and intragranular mode failure and whisker pullout, (a) ‘L’ whisker and (b) ‘H’ whisker. Fig. 4. TEM micrograph of Al2O3/35 vol.% SiC whisker ‘L’ composite, showing crack deflection along whisker/matrix interface. Fig. 5. TEM micrograph of Al2O3/35 vol.% SiC whiskers ‘L’ composite, showing the appearance of a glass layer along the alumina/whisker interface