Oxidation stabilization in the fabrication of pitch-matrix carbon-carbon composites

Matrix microstructure of a pitch-based carbon-carbon composite was controlled by an iodine treatment. Coal-tar pitch having the softening point of 101 ± C was used as a matrix precursor. The iodine treatment was carried out on a pitch-impregnated specimen at 90 ± C for 3-20 h. The specimen was carbonized at 800 ± C and graphitized at 2000-3000 ± C. The carbon yield increased from 73% to 93% by the iodine treatment. Microstructures of carbonized specimens changed from a flow type texture to a mosaic type one by the iodine treatment. The microstructural development to graphitic structure was suppressed by the iodine treatment.

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Oxidation stabilization in the fabrication of pitch-matrix carbon-carbon composites

Cited by 3 publications

References 2 publications

Insight into the oxidative reactivity of pitch fractions for predicting and optimizing the oxidation stabilization of pitch

Insight into the oxidative reactivity of pitch fractions for predicting and optimizing the oxidation stabilization of pitch

Reactivity in wet air of carbon–carbon composites with treated pitches

Microstructural control of pitch matrix carbon-carbon composite by iodine treatment

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