Abstract
A simple technique to measure interfacial frictional shear resistance of fiber-reinforced ceramic matrix composites has been investigated. SiC (CVD) fiber-reinforced soda-borosilicate glass matrix composite containing single fiber was cut into perpendicular to the fiber and was placed on a hard SiC ceramic plate. Ductile metal plate was placed to the upper side of the composite and was subjected to uniform compression via metal plate. After unloading, the protrusion lengths of the fiber at the surface of the composite were measured by scanning electron microscope and the interfacial shear strength was calculated using the protruded length of the fiber. Some applications of this method on SiC (PCS) fiber-reinforced LAS matrix composite were also carried out to determine distribution of interfacial frictional shear resistance of the specimen by protrusion method. 15 refs.
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