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Abstract This research aimed to prepare a carbon fiber/silicon carbide composite via the spark plasma (SPS) method. For this purpose, first, a slurry of β-silicon carbide nanoparticles with carbon fiber… Click to show full abstract
Abstract This research aimed to prepare a carbon fiber/silicon carbide composite via the spark plasma (SPS) method. For this purpose, first, a slurry of β-silicon carbide nanoparticles with carbon fiber and nano-alumina sintering aid was prepared. Then, the bulk composite was formed by the SPS method at 1900 °C and 50 MPa. Next, the effect of sintering time was investigated on the density, friction coefficient, fracture toughness, and microhardness of the samples. The results indicated that with an increase in the sintering time from 10 to 20 min, the density rose from 78 to 95% of the theoretical density, and the hardness of the samples increased from 1150 Vickers to 2580 Vickers. Finally, the friction coefficient was elevated from 0.13 to 0.5.
Journal Title: Ceramics International
Year Published: 2021
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