微波吸收涂层结构设计和电性能模拟计算
V259%TN804; 微波吸收涂层结构设计和电性能模拟计算在微波吸收涂层制备过程中起到越来越重要的作用.针对涂层结构设计和优化,能直接提升涂层吸收效果.微波吸收材料往往具有阻抗匹配层、吸收层、黏结层多层结构,其反射系数由厚度、磁导率和介电常数共同决定.单纯依靠实验来研究反射系数的影响规律,工作量必然相对宽泛且盲目.基于此,选用三种微波吸收涂层吸收剂,开展电磁参数测试与分析.设定涂层材料厚度为 1.2 mm,分别模拟计算单一吸收剂的单层电磁性能、两种吸收剂复配的单层和双层结构电磁性能.通过理论计算得到四种较优的涂层设计方案,并完成电性能实验验证.结果表明,采用实验验证的电性能与模拟计算结果的趋...
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| Published in | 航空材料学报 Vol. 44; no. 4; pp. 128 - 138 |
|---|---|
| Main Authors | , , , , |
| Format | Journal Article |
| Language | Chinese |
| Published |
中国航发北京航空材料研究院 隐身材料重点实验室,北京 100095
01.08.2024
北京科技大学 材料科学与工程学院,北京 100083%中国航发北京航空材料研究院 隐身材料重点实验室,北京 100095%北京科技大学 材料科学与工程学院,北京 100083 |
| Subjects | |
| Online Access | Get full text |
| ISSN | 1005-5053 |
| DOI | 10.11868/j.issn.1005-5053.2024.000020 |
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| Abstract | V259%TN804; 微波吸收涂层结构设计和电性能模拟计算在微波吸收涂层制备过程中起到越来越重要的作用.针对涂层结构设计和优化,能直接提升涂层吸收效果.微波吸收材料往往具有阻抗匹配层、吸收层、黏结层多层结构,其反射系数由厚度、磁导率和介电常数共同决定.单纯依靠实验来研究反射系数的影响规律,工作量必然相对宽泛且盲目.基于此,选用三种微波吸收涂层吸收剂,开展电磁参数测试与分析.设定涂层材料厚度为 1.2 mm,分别模拟计算单一吸收剂的单层电磁性能、两种吸收剂复配的单层和双层结构电磁性能.通过理论计算得到四种较优的涂层设计方案,并完成电性能实验验证.结果表明,采用实验验证的电性能与模拟计算结果的趋势基本相符,最终确定吸收剂A∶吸收剂C=2∶1复配单层涂层配方方案,此时微波吸收涂层模拟计算和实验结果均具有较好的吸收效果. |
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| AbstractList | V259%TN804; 微波吸收涂层结构设计和电性能模拟计算在微波吸收涂层制备过程中起到越来越重要的作用.针对涂层结构设计和优化,能直接提升涂层吸收效果.微波吸收材料往往具有阻抗匹配层、吸收层、黏结层多层结构,其反射系数由厚度、磁导率和介电常数共同决定.单纯依靠实验来研究反射系数的影响规律,工作量必然相对宽泛且盲目.基于此,选用三种微波吸收涂层吸收剂,开展电磁参数测试与分析.设定涂层材料厚度为 1.2 mm,分别模拟计算单一吸收剂的单层电磁性能、两种吸收剂复配的单层和双层结构电磁性能.通过理论计算得到四种较优的涂层设计方案,并完成电性能实验验证.结果表明,采用实验验证的电性能与模拟计算结果的趋势基本相符,最终确定吸收剂A∶吸收剂C=2∶1复配单层涂层配方方案,此时微波吸收涂层模拟计算和实验结果均具有较好的吸收效果. |
| Abstract_FL | Since the application of electromagnetic technology,the investigation of microwave absorbing materials has been widespread concerned in the world.With the development of technology,the effect of microwave absorption technology is constantly increasing in the world.Up to now,the structural design and electrical performance simulation calculation of microwave absorption coatings play an increasingly important role in the preparation of microwave absorption coatings.The design and optimization of coating structure can directly improve the absorption performance.Nowadays,microwave absorbing materials usually have multi-layer structures such as impedance matching layer,absorption layer and bonding layer.Their reflection coefficients are determined by the thickness,magnetic permeability,and dielectric constant.Only relying on the experiments to study the influence of reflection coefficient must be inevitably resulted in a relatively broad and blind workload.Based on this,three kinds of microwave absorption coating absorbers were selected to carry out electromagnetic parameter testing and analysis.The electromagnetic properties of single layer,single layer and double layer structure combined with two kinds of absorbers were simulated and calculated under the 1.2 mm thickness of the coating.Four optimal coating design schemes were obtained through the simulation calculation,and the electrical performance experiment were further completed for comparison.The results show that the electrical performance verified by experiment is in good agreement with the trend of simulation calculation results.Finally,the optimal coating is the single-layer coating with the Absorbent A∶Absorbent C=2∶1.At this time,the simulation calculation and experimental results of the microwave absorption coating both show relatively high absorption performance. |
| Author | 赫丽华 何山 刘政 匡键磊 李业华 |
| AuthorAffiliation | 中国航发北京航空材料研究院 隐身材料重点实验室,北京 100095;北京科技大学 材料科学与工程学院,北京 100083%中国航发北京航空材料研究院 隐身材料重点实验室,北京 100095%北京科技大学 材料科学与工程学院,北京 100083 |
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| Author_FL | LIU Zheng KUANG Jianlei HE Lihua HE Shan LI Yehua |
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| Keywords | absorbent 微波吸收 structure design 模拟计算 结构设计 electromagnetic parameters simulation calculation 吸收剂 电磁参数 microwave absorbing |
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| Title | 微波吸收涂层结构设计和电性能模拟计算 |
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