Spun out to dry: Polymer-derived SiBN ceramic fiber, with excellent and thermally stable dielectric properties, resists crystallization up to 1700 and 1400 °C in nitrogen and in air, respectively, while retaining most of the room-temperature mechanical properties (see figure). The desirable combination of properties enables SiBN fiber to be a candidate for use as reinforcement in high-temperature, radar-wave-transparent ceramic composites.
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Tang et al. (2010) studied this question.
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