By John D. Buckley, Dan D. Edie
The main parts of carbon-carbon fabrics and composites are defined during this finished quantity. It offers info and know-how at the fabrics and constructions built for the construction of carbon-carbon fabrics and composites. The textual content consists of papers via thirteen famous authors of their parts of workmanship with regards to the tactics and creation of those fabric structures and buildings. the subject material within the booklet is prepared to steer the reader via fabrics processing, fabrication, structural research, and functions of average carbon-carbon items. the knowledge supplied contains: fiber expertise, matrix fabric, layout of composite buildings, production innovations, engineering mechanics, protecting coatings, and structural purposes utilizing carbon-carbon fabrics and composites.
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Extra resources for Carbon-carbon composites
Here again, 31 CC Matemals and Composates Exhaust gas Oxidizing spool of fiber Inlet air Air heating zone Figure 10. On-the-spool oxidation of mesophase precursor fibers (ref. 16). hydrogen is the principal gas evolved above 1000°C. While still not extremely strong, after oxidation the mesophase fiber can be handled if the tow is sufficiently large. Thus, the ovens used to carbonize and graphitize mesophase fibers (fig. 11) are similar to those used to process PAN precursor fibers. The process used to surface-treat and size mesophase pitch-based carbon fibers is similar to that used for PAN-based fibers.
42 A c-direction Figure I . Structure of graphite and approximate orientation in carbon fibers (ref. 6). Today commercial pitch-based carbon fiber is available with a tensile modulus that is 85 percent of the theoretical maximum for the perfect graphite crystal. By comparison, the tensile strength of this fiber is only 5 percent of that theoretically possible. Although increasing the layer plane alignment directly improves the tensile modulus of carbon fibers, flaws limit the tensile strength of these brittle fibers.
1982, pp. 196-271. 8. : Carbon Fibers: Present State and Future Expectations. Carbon Fibers, Filaments and Composites, J. Figueiredo, C. A. Bemardo, R. T. K. Baker, and K. J. , 1990, pp. 3-41. 9. Bacon, Roger: Carbon Fibers From Rayon Precursors. Chemistry and Physics of Carbon-A Series of Advances, vol. 9, P. L. , and Peter A. , 1973, pp. 1-102. 10. Singer, Leonard Sidney: High Modulus, High Strength Carbon Fibers Produced From Mesophase Pitch. S. Patent 4,005,183, Jan. 1977. 11. Singer, L. ; and Lewis, I.