High performance carbon–carbon composites obtained by a two-step process from phthalonitrile matrix composites |
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| Institution: | 1. Department of Chemistry, M. V. Lomonosov Moscow State University, 119991 Moscow, Russian Federation;2. Institute of New Carbon Materials and Technology, 119991 Moscow, Russian Federation |
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| Abstract: | Carbon–carbon composites (C/C) were produced from carbon fiber reinforced phthalonitrile (CFRP) matrix composites in a two-step impregnation–carbonization procedure. After graphitization at 1800 °C, the obtained C/C composites demonstrated highly crystalline structure and properties characteristic of composites derived from phenolic matrix CFRP by the industrial procedure: d = 1.73 g cm?3, interlaminar shear strength was 14.1 MPa, compression strength was 139.8 MPa, and coefficient of friction was in the range 0.32–0.34. |
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| Keywords: | carbon–carbon composite C/C composites phthalonitrile carbonization graphitization vacuum infusion |
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