前言在某些辐射防热的场合,往往采用高辐射系数的涂层来实现辐射冷却。就涂层来说,既要求在高温及宽的温度范围内具有高辐射系数,又要求它能耐高温,并和底材结合良好。等离子喷涂是制备无机涂层的一种高温涂层工艺,等离子焰流温度很高,能使各种无机材料熔化,因此可以喷涂各种材料,制备出各种用途的涂层。例如,防热、隔热、耐磨密封、介电绝缘等。利用涂层的辐射性能,制备高辐 Preface Radiation cooling is often achieved with coatings of high emissivity in some radiation-heat-resistant applications. As far as the coating is concerned, it requires both a high emissivity at a high temperature and a wide temperature range, a high emissivity, and a good bond with the substrate. Plasma spraying is a high-temperature coating process for the preparation of inorganic coatings. The plasma flame temperature is very high and can melt various inorganic materials. Therefore, various materials can be sprayed to prepare coatings for various applications. For example, heat, heat, wear seals, dielectric insulation. Using the radiation properties of the coating, high radiation is prepared