Improvement in mechanical and ablation properties of carbon/carbon composites with nanofilamentous carbon and CeC2
Source abstract
Abstract
Nanofilamentous carbons (NFCs) and CeC 2 NF@NFC core-shell structures reinforced carbon/carbon composites were fabricated using chemical vapor infiltration via adding CeCl 3 into preforms. The NFCs and CeC 2 NF@NFCs constructed reinforcing bridges across the fiber/matrix interface and matrix with proper CeCl 3 contents. The flexural and interlaminar shear properties were remarkably improved due to the synergistic reinforcements of the nanofilaments and CeC 2 particles. The inhibition of matrix damage by the nanofilaments together with a thickened rough laminar pyrocarbon and rapid heat dissipation alleviated annular matrix oxidation and denudation. Higher CeCl 3 content increased the oxidation channels and active sites and then oxidation ablation.
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Research context
OpenAlex topics: Advanced ceramic materials synthesis · Diamond and Carbon-based Materials Research · Aluminum Alloys Composites Properties
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
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