Ablation behaviour of a TaC coating on SiC coated C/C composites at different temperatures

Yong Jie Wang, He Jun Li, Qian Gang Fu, Heng Wu, Lei Liu, Can Sun

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55 引用 (Scopus)

摘要

To improve the ablation resistance of carbon/carbon (C/C) composites, a TaC coating was prepared by supersonic plasma spraying on SiC coated C/C composites. The microstructure and morphology of the coatings were characterised by Scanning Electron Microscopy and X-ray diffraction. The ablation properties were studied at different temperatures under oxyacetylene torch. At 2100 °C, the oxides were blown away and resulted in high ablation rates: 1.2×10 -2 mm/s and 3.9×10 -3 g/s. However, most oxides can remain in ablation centre and serve as a coating at low temperature (1900 and 1800 °C). Therefore, the TaC/SiC coated samples exhibited zero linear ablation rate and lower mass ablation rate.

源语言英语
页(从-至)359-365
页数7
期刊Ceramics International
39
1
DOI
出版状态已出版 - 1月 2013

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