Carbon fiber sheet It is a lightweight and high-strength composite material, widely used in various fields. However, at high temperatures, the performance of carbon fiber sheets may be limited. Therefore, it is very important to study and improve the high-temperature resistance of carbon fiber sheets.

First, we need to study the thermal stability of carbon fiber sheets under high temperature environment. High temperature may cause structural damage of carbon fiber sheet, thus affecting its mechanical properties. Therefore, we can use a thermogravimetric analyzer to monitor the quality change of carbon fiber sheets at different temperatures. Through the analysis of the experimental data, we can determine the thermal stability of the carbon fiber sheet and find out the reasons that may lead to the performance degradation.

Secondly, we need to improve the high-temperature resistance of carbon fiber sheets. One possible method is to use silicone modifier to improve the high temperature resistance of carbon fiber sheet. The silicone modifier can form a protective layer on the surface of the carbon fiber sheet to block the oxidation reaction at high temperature. The high temperature stability of carbon fiber sheet can be improved by spraying organic silicon modifier on the surface of carbon fiber sheet, and through a certain treatment and baking process.

In addition, ceramic coating is one of the effective methods to improve the high-temperature resistance of carbon fiber sheets. Ceramic coating can increase the insulation performance of carbon fiber surface and absorb the thermal stress at high temperature. The common method is to form high temperature ceramic coating on the surface of carbon fiber sheet through chemical vapor deposition or physical vapor deposition technology. The coating can improve the oxidation resistance and mechanical properties of carbon fiber sheets at high temperature.

In addition to improving the performance of the material itself, designing a reasonable structure is also one of the important factors to improve the high-temperature resistance of carbon fiber sheets. The overall strength and stability can be increased by introducing metal reinforcement materials into the structure of carbon fiber sheets. In addition, optimizing the fiber orientation and laminated structure of carbon fiber sheets can also improve their high-temperature resistance.

In a word, it is of great significance to study and improve the high-temperature resistance of carbon fiber sheet for broadening its application field. By studying the thermal stability of carbon fiber sheet in high temperature environment, improving the protective layer of material surface, applying ceramic coating technology and optimizing the structural design of carbon fiber sheet, we can improve the performance of carbon fiber sheet in high temperature environment and make it more suitable for various high temperature application scenarios.