Dielectric Properties And Numerical Value Simulation Of SiO₂/SiO₂ Composites

The heat wave-transmission materials are the foundation of high-speed precision-guided weapon. It plays an important role in developing advanced airspace weapon and accelerating national defence modernization that researching the heat wave-transmission materials.Glass fiber/silicon dioxide composites is good heat wave-transparent materials. It has been researched and applianced in china. Because the effect of the roreign ion on the dielectric properties in the composites was contributed. The dielectric properties changed in certain temperature. This are the project that coordinate with research item. The heat wave-transparent properties was studied. The paper present the theory for making radome.The intention of the paper was analyzing the wave-transmission properties and ascertaining the effection of foreign ion on dielectric properties. The situation and application of electrically transparent material were discussed in this paper. The basic theory of electromagnetic wave propagation was introduced. The foundation of dielectric model was based on debye theory. The Void content、water absorptivity、foreign ion、hydroxy of glass fiber/silicon dioxide composite were analyzed by comparing the state of matter test with the test of dielectric properties in high temperature. Numerical value simulation and calculation of dielectric properities was accomplished. The numerical value simulation was compared with the test data. The numerical value simulation was testified. The paper present the theory for the producing and advancing the properties. Develepment directions about the composites were also proposed.