| Summary: | 碩士 === 明新科技大學 === 化學工程與材料科技系碩士班 === 106 === The thermal image of the infrared detection system mainly forms a thermal image by the difference between the target, ambient temperature and the emissivity. The low infrared emissivity coating can be control its infrared radiation power with changed the target surface infrared emissivity and heat insulation. Then, the target and environmental emissivity of infrared stealth can be achieved. However, stealth technology is a comprehensive technology that reduces various detectable features of the target, with making it difficult to find by enemy detection devices or reduce their detection capabilities. The stealth technology can be divided into infrared stealth technology, laser stealth technology, visible light stealth technology, radar stealth technology and sound stealth technology. Therefore, the role of stealth technology in modern warfare has received more and more attention.In addition, infrared stealth materials have broad research and applications in stealth technology research. In this study, we are focuses on the coating and infrared radiation mechanism, and the infrared radiation characteristics with the target background to preparation of green and various multi-color infrared low emissivity coatings.
In addition, the preparation of low-infrared emissivity coating process are focuses on the effect that the grinding time, the color development, particle size of the green toner, the sheet aluminum powder, composition ratio under the influence of color chromaticity, and infrared emissivity. The optimal conditions of infrared emissivity are reduced to achieve the minimum difference between the target and background emissivity. The silicone was added into aluminum powder, then these green toner pigment which was properly polished and spread was uniformly mixed to have better infrared stealth performance. Finally, the particle size was observed by particle size and interface analyzer, the low emissivity coating samples were placed in a black body furnace at 60°C, and then the infrared camera and far infrared rays were used. Investigate infrared emissivity under various concentration ratios and addition parameter for set up optimum conditions, effective of the emissivity. On the other hand, the emission rate of the coating was reduced to the lowest value, so as to reduce the difference between the paint and the background, which make the target difficult to be detected by the infrared detection system.
|
|---|
