Author/Authors :
Yang، نويسنده , , W. and Kohyama، نويسنده , , A. and Noda، نويسنده , , T. and Katoh، نويسنده , , Y. and Hinoki، نويسنده , , T. and Araki، نويسنده , , H. and Yu، نويسنده , , J.، نويسنده ,
Abstract :
The mechanical properties of the interfaces of two families of chemical vapor infiltration SiC/SiC composites, advanced Tyranno-SA and Hi-Nicalon fibers reinforced SiC/SiC composites with various carbon and SiC/C interlayers, were investigated by single fiber push-out/push-back tests. Interfacial debonding and fibers sliding mainly occurred adjacent to the first carbon layer on the fibers. The interfacial debonding strengths and frictional stresses for both Tyranno-SA/SiC and Hi-Nicalon/SiC composites were correlated with the first carbon layer thickness. Tyranno-SA/SiC composites exhibited much larger interfacial frictional stresses compared to Hi–Nicalon/SiC composites. This was assumed to be mainly contributed by the rather rough surface of the Tyranno-SA fiber.
