Effect of the fabric architecture on hoop strength of SiC/SiC composite tube

Nozawa, Takashi; Yu, J.-H.*; Park, J.-S.*; Tanigawa, Hiroyasu

Silicon carbide composites are one of promising materials due to pronounced low radioactivity and excellent radiation resistivity. So far, it was proven that the edge effect of the specimen decreased composite strength depending on the specimen size for the case of off-axial tensile tests. This study then aims to evaluate fracture behavior of SiC/SiC tube materials without any edges. For that purpose, several fabric architecture composites were evaluated by expanding plug burst test to identify the fundamental data of anisotropy of the hoop strength of the composite.