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Comparative study on tensile fracture behavior of monofilament and bundle C/C composites |
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| Authors: | Yasuo Kogo Akihiro Kikkawa Wataru Saito Hiroshi Hatta |
| Affiliation: | aDepartment of Materials Science and Technology, Tokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan bTokyo University of Science, 2641, Yamazaki, Noda, Chiba 278-8510, Japan cInstitute of Space and Astronautical Science (ISAS), Japan Aerospace Exploration Agency (JAXA), 3-1-1, Yoshinodai, Sagamihara, Kanagawa 229-8510, Japan |
| Abstract: | Strength controlling factors in C/C composites were experimentally examined using monofilament fiber reinforced C/C composites and those reinforced by one carbon fiber bundle. Tensile strength of the monofilament C/C composites was almost the same level with that of the carbon fiber. This result indicated that carbon fibers in the C/C composites were intact even after the processing. On the other hand, remarkable reduction was observed in the bundle C/C composites. It was indicated that the fracture of the C/C composite is dominated by the brittle fracture of the sub-bundles, in which the fiber/matrix interface is bonded well. |
| Keywords: | A. Carbon–carbon composites (CCCs) B. Fracture B. Mechanical properties B. Strength |
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