Abstract
The influence of each constituent of SiC/SiC composite, i.e. fiber, interface and matrix, on the fracture mechanism and mechanical properties were experimentally studied. As main factors in manufacturing, the carbon thickness of interface, and the kind of precursor polymer of the matrix, the blending rate of filler particle, and the number of densification processing were interested. As a basic structure of various reinforcing structures, systematic evaluation was carried out for the bundle composites which were composed of a fiber bundle densified with a matrix. The specimens were prepared by chemical vapor infiltration to form an interfacial carbon layer on Tyranno-ZMI fiber and polymer impregnation and pyrolysis to form a matrix in the fiber bundle. The specimens were evaluated by tensile test, fiber push-out test and electron microscopy etc.
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