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Hafnium carbide (HfC) coating was prepared on carbon/carbon (C/C) composites by low pressure chemical vapor deposition (LPCVD) with HfCl 4 –CH 4 –H 2 –Ar system. The phase composition, microstructure and ablation properties of the coating were studied by X−ray diffraction, scanning electron microscopy/energy dispersive spectroscopy and oxyacetylene flame torch. The evolution...
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