Interface design and HfC additive to enhance the cyclic ablation performance of SiC coating for carbon/carbon composites from 1750 °C to room temperature under vertical oxyacetylene torch
Source abstract
Abstract
Abstract To enhance the cyclic ablation performance of SiC coating from1750 °C to room temperature under vertical oxyacetylene torch, interface design and HfC additive were combined. A porous surface of C/C composites was firstly constructed by oxyacetylene flame so as to form an inlaid interface after the pack cementation preparation of HfC-SiC coating. After 8 ablation thermal cycles, the mass loss per unit area of the HfC-SiC coating was only 36.47 mg cm −2 . Based on thermogravimetric analysis, adhesive strength and thermal expansion test, effect of the inlaid interface on oxidation as well as ablation performance of the HfC-SiC coating was discussed.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Metal and Thin Film Mechanics
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References (40)
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