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<p>ZrB<sub>2</sub>–SiC-based ultrahigh-temperature ceramic composites are in great demand in the aerospace sector. This work aims to study the synthesis of ZrB<sub>2</sub>–SiC composite powder using raw materials, zircon (ZrSiO<sub>4</sub>), B<sub>4</sub>C, and phenolic resin through the boro/carbo thermal reduction method. The effect of the C/B<sub>4</sub>C ratio and synthesis temperature on the synthesis of ZrB<sub>2</sub>–SiC composite powder was studied. The favourable formation mechanism for ZrB<sub>2</sub>–SiC from ZrSiO<sub>4</sub> has been analysed. The processing route offers flexibility in controlling the SiC content of the produced ZrB<sub>2</sub>–SiC composite powder.</p>

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Effect of C/B4C Ratio on the Synthesis of ZrB2–SiC Composite Powder from Zircon Through BCTR Reduction

  • 期刊论文

  • 发表日期：

    2025年2月26日

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  • S. S. N. Murthy,
  • Manish Patel,
  • Bharat B. Panigrahi

摘要

ZrB2–SiC-based ultrahigh-temperature ceramic composites are in great demand in the aerospace sector. This work aims to study the synthesis of ZrB2–SiC composite powder using raw materials, zircon (ZrSiO4), B4C, and phenolic resin through the boro/carbo thermal reduction method. The effect of the C/B4C ratio and synthesis temperature on the synthesis of ZrB2–SiC composite powder was studied. The favourable formation mechanism for ZrB2–SiC from ZrSiO4 has been analysed. The processing route offers flexibility in controlling the SiC content of the produced ZrB2–SiC composite powder.