Flexural strength of compression molded carbon fiber/cyanate ester composite material

TL;DRAbstract

This thesis describes the results of a study intended to investigate the Flexural strength of a new experimental chopped-carbon-fiber and cyanate ester compression molded compound. This compound has been given the designation MS-4F. This study first developed a compression molding technique designed to manufacture specimens that net an ASTM specification. The compression molding parameter temperature was varied to observe the effects on the Flexural strength of the resulting material. The specimens were tested in an Instron machine to obtain load-deflection and stress-strain curves for the material. In total, ten specimens were tested to the breaking point. Examination of the material failure characteristics indicated that different failure mechanisms are produced depending on the compression molding temperature. It was determined that the optimal compression molding parameters in terms of temperature and pressure were about 850 psi of pressure and a temperature of 310 °F. Flexural str

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