低红外发射率复合涂层最佳颜料含量模拟方法  

A Practical Simulation Method for Optimum Pigment Content of Low Infrared Emissivity Composite Coatings

作　　者：张伟钢[1] 徐国跃[1] 徐飞凤[1] 

机构地区：[1]南京航空航天大学材料科学与技术学院,江苏南京210016

出　　处：《红外技术》2011年第12期704-706,710,共4页Infrared Technology

基　　金：国家重点基础研究发展计划(973计划)(编号:XXXXX03zt2-06-ZZT2);国家自然科学基金(编号:90505008);航空科学基金(编号2009ZA52013)

摘　　要：研究了一种可用于低红外发射率复合涂层最佳颜料含量模拟的方法。基于低红外发射率复合涂层的微结构特征,引入一维光子结构的相关理论以模拟计算低红外发射率复合涂层的最佳颜料含量。为验证上述方法的可行性,采用片状铝粉为颜料,聚氨酯为粘合剂制备了两种低红外发射率聚氨酯(PU)/铝(Al)复合涂层。分别采用模拟计算和实验验证的方法对其最佳Al粉含量进行了研究。结果表明:计算所得最佳Al粉含量与实验值一致,可见所述方法应用于低红外发射率复合涂层最佳颜料含量的模拟具有较强的实际可行性,对低红外发射率复合涂层的设计及研究效率的提高具有重要的现实意义。A practical simulation method which can be used to calculate the optimum pigment content of low infrared emissivity composite coatings was first studied in this paper. According to the structural characteristics of low infrared emissivity composite coatings, the theories of one-dimensional photonic structure were used to calculate the optimum pigment content of low infrared emissivity composite coatings. In order to verify the feasibility of the method, two kinds of polyurethane （PU）/aluminum （A1） composite coatings were prepared by using PU and flaky A1 powders as adhesives and pigments, respectively. Then the simulated optimum A1 contents of the two kinds of PU/A1 composite coatings were calculated and the experimental values were measured. The results indicate that the calculated optimum A1 contents are almost consistent with the experimental values, which reveals that it is a practical simulation method for optimum pigment content of low infrared emissivity composite coatings. It may have great potential applications in designing of low infrared emissivity composite coatings. Also it may greatly improve the research efficiency of low infrared emissivity composite coatings.

关 键 词：红外发射率 复合涂层 最佳颜料含量 模拟方法 一维光子结构 

分 类 号：E952.2[军事—军事工程]