DataVXJournal of Inorganic MaterialsPaper
journal article·2011-06-24

Microstructure and Ablation Behavior of C/C Composites Doped with ZrB2

Hui-Hui SUN, He-Jun LI, Xue-Tao SHEN, Gao-Xiang CAO, Xin-Fa QIANG, Xiao-Bin REN, Qian-Gang FU

Journal of Inorganic Materials· Volume 26· Issue 6
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Source abstract

Abstract

采用超声波真空浸渍-碳热还原法将ZrB2引入碳纤维预置体, 结合热梯度化学气相渗透、高温石墨化工艺制备了ZrB 2 改性C/C复合材料. 氧-乙炔烧蚀测试结果表明, 添加了6.87 wt% ZrB 2 后, C/C复合材料的线烧蚀率和质量烧蚀率分别下降了64.9%和67.5%. 分析表明, C/C复合材料的烧蚀主要是由热化学和热物理反应控制, 机械剥蚀在烧蚀过程中仅起到次要作用. 烧蚀产物ZrO 2 /B 2 O 3 在烧蚀过程中的挥发会带走大量的热, 从而减少了烧蚀火焰对烧蚀表面的热冲击.
Only a short abstract or summary was supplied by the source.
Source: openalex_inverted_index · Quality: short

Research context

Composites

OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Thermal and Kinetic Analysis

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

References (12)

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