Abstract
Pyrolytic carbon was infiltrated into porous carbon or two-dimensionally woven carbon fibre (2D-C)/SiC particulate preforms using pressure-pulsed chemical vapour infiltration from C6H6 (3–16%)–H2–N2 at 1273–1373 K. Residual porosity of porous carbon decreased from 29 to 10% after 1×104 pulses at 1323 K, and that of 2D-C/SiC particulate preform decreased from 30 to 7.5% after 4×104 pulses at 1273 K. Flexural strength of 2D-C/SiC preform reached about 150 MPa.
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Ohzawa, Y., Watabe, K. & Sugiyama, K. Pressure-pulsed chemical vapour infiltration of pyrolytic carbon into porous carbon or two-dimensional-carbon/SiC particulate preforms from C6H6–H2–N2. Journal of Materials Science 33, 435–439 (1998). https://doi.org/10.1023/A:1004336200479
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DOI: https://doi.org/10.1023/A:1004336200479