| Autor: |
Sivakumar, Subha, Manivannan, Divya, Pottigari, Venkata Sreegeth Varsha, Ummareddy, Yuktha Priya |
| Předmět: |
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| Zdroj: |
AIP Conference Proceedings; 2023, Vol. 2839 Issue 1, p1-7, 7p |
| Abstrakt: |
In the aerospace industry, carbon phenolic composites have been demonstrated to have outstanding heat-resistant characteristics for thermal-structural components. In this study, nano silicon carbide (SiC) was selected as filler for resol-type phenolic resin and utilized as a matrix for ablative carbon composite. Carbon–phenolic (C–Ph) composites were fabricated using different weight percentages of SiC by the compression molding process. The thermal stability and surface morphology of post ablated composite samples were characterized by thermogravimetric analysis (TGA) and scanning electron microscopy (SEM). The ablative performance of prepared nanocomposites was measured using an oxyacetylene torch experimental setup. It is clear that the mass erosion rate and linear erosion rate of sample S3 exhibit lower than the other samples. The results show that sample S3 reduces the back surface temperature compared to another matrix modified sample and virgin sample. The XRD results and SEM results report that the presence of SiO2 insulates the materials. The formation of bubble-like structures gave more resistant, continuous SiO2 layers adding greater anti-oxidation ability. [ABSTRACT FROM AUTHOR] |
| Databáze: |
Complementary Index |
| Externí odkaz: |
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