A two-step process for making preform and SiC/Si3N4/SiC ceramics.
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One-step pyrolysis and siliconization treatment at 1600 °C/4 h.
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SiC/Si3N4 preform containing in situ grown Si3N4 whiskers.
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Isotropic physical and thermal properties contrary to bio-mimetic ceramics.
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Densification using chemical vapor infiltration for higher densities.
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