Effect of yttrium carbide on ablation behavior of zirconium carbide modified carbon/carbon composites
Source abstract
Abstract
Abstract Effect of YC2 on the ablation behavior of C/C–ZrC composites was investigated in an oxyacetylene flame. The chemical reactions between the oxyacetylene flame and carbides were calculated based on the principle of minimum free energy. Lots of pits are formed on the surfaces of fibers and matrices, providing more active sites and accelerating the chemical ablation. Meanwhile, the formed pits reduce the strength of fibers and matrices, increasing the mechanical breakage rate. Ablation of C/C–ZrC composites after adding YC2 is controlled by both the chemical ablation and mechanical breakage, while ablation of C/C–ZrC composites mainly depends on the chemical ablation.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · Advanced materials and composites · Diamond and Carbon-based Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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