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Phenolic foam is a fire-retarding insulator that can endure temperatures of up to 300°C, and it is carbonized when it is exposed to fire, which decreases its thermal conductivity and prevents the spread of fire. Therefore, phenolic foam has been used for many applications, such as in the architectural and aerospace fields. However, phenolic foam requires blowing agents during the fabrication process,...
The faces of low-observable radomes constructed with sandwich structures are usually made of glass fiber or aramid fiber composites due to their high specific strength and compatibility of stealth characteristics. In this work, a hybrid composite face composed of both E-glass/epoxy and aramid/epoxy composites for low-observable radomes was designed to exploit the better characteristics of both composites...
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