Effect of SiCnws@BN core shell upon impact-ablation performance of HfC coating on C/C composites
Source abstract
Abstract
To improve the thermal protection performance of HfC coating subject to impact, SiC nws @BN core-shell nanowire reinforced HfC coating was fabricated by chemical vapor deposition and compared to the SiC nws@PyC/HfC coating. The experiments showed that the ablation resistance of SiC nws@PyC/HfC coating decreased significantly. In comparison, the ablation resistance of SiC nws @BN/HfC coating was barely affected by impact. A dense oxide layer was formed on the surface of SiC nws@BN/HfC coating after impact and ablation. The shrinking and self-healing effect of SiC nws @BN during oxidation process was investigated, which explained the formation process of dense oxide layer.
Source: expertdata · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Advanced ceramic materials synthesis · MXene and MAX Phase Materials · Diamond and Carbon-based Materials Research
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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