Oxidation behavior of 2D C/SiC composite modified by SiB4 particles in inter-bundle pores
Source abstract
Abstract
Abstract In order to understand the oxidation resistance of a 2D C/SiC composite protected with self-healing filler in the inter-bundle pores, SiB 4 particles as the filler were infiltrated into the inter-bundle pores of 2D C/SiC composite by slurry infiltration process. The SiB 4 particles were combined with SiC during the chemical vapor deposition (CVD) SiC coating process. Isothermal oxidation tests of the as-received modified composite were carried out in air at temperatures ranging from 500 to 1000 °C. SEM and EDS results showed that all the open inter-bundle pores of the C/SiC composite can be filled with SiB 4 particles. The SiB 4 filler can hinder the inwards diffusion of oxygen in air, and protect the carbon fibres and carbon interphase from oxidation. As a result, the modified composite lost weight slowly, and showed no obvious decrease in flexural strength at the temperatures of 500–900 °C for an oxidation time of 10 h.
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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