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B4C-MODIFIED SiO2-PHENOLIC COMPOSITES FOR ENHANCED ABLATION RESISTANCE

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Listed:
  • MAOYUAN LI

    (College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China†Beijing System Design Institute of Electro-Mechanic Engineering, Beijing 100854, P. R. China)

  • LIN LU

    (#x2020;Beijing System Design Institute of Electro-Mechanic Engineering, Beijing 100854, P. R. China)

  • ZHEN DAI

    (#x2020;Beijing System Design Institute of Electro-Mechanic Engineering, Beijing 100854, P. R. China)

  • YIQIANG HONG

    (#x2020;Beijing System Design Institute of Electro-Mechanic Engineering, Beijing 100854, P. R. China)

  • WEIWEI CHEN

    (#x2021;Department of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China)

  • YUPING ZHANG

    (#x2021;Department of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081, P. R. China)

  • YINGJIE QIAO

    (College of Material Science and Chemical Engineering, Harbin Engineering University, Harbin 150001, P. R. China)

Abstract

In the present paper, the silica-phenolic composite (S-Ph) composites with different amount of B4C were prepared, and the ablation tests of these composites were carried out using oxygen–acetylene jet. The ablation process was systematically investigated. The addition of B4C with appropriate amount can efficiently improve the ablation resistance of S-Ph. The results showed that S-Ph containing B4C powder of 2wt.% exhibited the lowest linear and mass ablation rate. The influence mechanism for the results was analyzed deeply. The surface morphologies, phase composition, density and thermal conductivity of composites were characterized using a scanning electron microscope (SEM), X-Ray Diffraction (XRD), Archimedes method, and thermal conductivity meter, respectively. The present investigation will provide a theoretical basis for the preparation of the ablation resistant material.

Suggested Citation

  • Maoyuan Li & Lin Lu & Zhen Dai & Yiqiang Hong & Weiwei Chen & Yuping Zhang & Yingjie Qiao, 2017. "B4C-MODIFIED SiO2-PHENOLIC COMPOSITES FOR ENHANCED ABLATION RESISTANCE," Surface Review and Letters (SRL), World Scientific Publishing Co. Pte. Ltd., vol. 24(08), pages 1-7, December.
    • Handle: RePEc:wsi:srlxxx:v:24:y:2017:i:08:n:s0218625x17501116
    DOI: 10.1142/S0218625X17501116
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    Keywords

    Silica-phenolic composite; B4C; ablation resistant;
    All these keywords.

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