Microstructure and ablation behavior of double anti-oxidation protection for carbon-bonded carbon fiber composites
作者： Baosheng Xu , Yumin An , Peng Wang , Xinxin Jin , Guangdong Zhao
DOI: 10.1016/J.CERAMINT.2016.10.009
关键词:
摘要: Abstract To improve the oxidation protective ability of carbon–bonded carbon fiber (CBCF) composites, double anti-oxidation protection for CBCF composites were prepared, i.e., ceramic coating-coated combined with ceramic-modified in matrix. The ablation behavior modified was tested under an oxyacetylene flame at 1600 °C 300 s and 800 s, respectively. results indicate that ZrB2 matrix ZrB2-based coating can play during process. linear rate sample after 800 s −1.1×10−4 8.38×10−4 cm s−1, presented excellent resistance 300 s. With increase time experienced catastrophic damage. However, surface only exhibited some circular pits instead complete oxidation, implying on improved composites.
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