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- W2391068082 abstract "Silicon carbide textile composites reinforced with continuous carbon and silicon carbide fiber were fabricated by chemical vapor infiltration. The densities of C/SiC and SiC/SiC composites after 30 h infiltration are 2.1 g·cm -3 and 2.5 g·cm -3 respectively . The values of flexural strength of C/SiC and SiC/SiC composites are 450 MPa and 860 MPa respectively, which are not reduced as temperature increased from room temperature to 1 600 ℃. Accordingly, the values of fracture toughness are 20 MPa·m 1/2 and 41.5 MPa·m 1/2 , fracture work, 10 kJ·m -2 and 28.1 kJ·m -2 , dynamic impact fracture toughness, 62.0 kJ·m -2 and 36.0 kJ·m -2 , respectively. After thermal shock tests between 300 ℃ and 1 300 ℃ for 50 times, the flexural strength is retained by 96.4%. It indicate that thermal shock was not the controlling factor for the failure of C/SiC and SiC/SiC materials. Compared with C/SiC, SiC/SiC exhibits superior oxidation resistance. Especially, both C/SiC and SiC/SiC thruster chambers successfully passes the test in rocket engine." @default.
- W2391068082 created "2016-06-24" @default.
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- W2391068082 date "2002-01-01" @default.
- W2391068082 modified "2023-09-23" @default.
- W2391068082 title "RESEARCH ON CONTINUOUS FIBER REINFORCED SILICON CARBIDE COMPOSITES" @default.
- W2391068082 hasPublicationYear "2002" @default.
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