Dielectric and mechanical properties of hypersonic radome materials and metamaterial design: A review |
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| Affiliation: | 1. Shaanxi Key Laboratory of Fiber Reinforced Light Composite Materials, State Key Laboratory of Solidification Processing, Northwestern Polytechnical University, Xi’an, 710072, PR China;2. Institut für Materialwissenschaft, Technische Universität Darmstadt, Otto-Berndt-Straße 3, Darmstadt, D-64287, Germany;1. Department of Mechanical and Aerospace Engineering, Shiraz University of Technology, Shiraz 71555, Iran;2. Faculty of Science, Engineering and Technology, Swinburne University of Technology, John St., Hawthorne, VIC 3122 Australia;1. National Key Laboratory of Advanced Functional Composite Materials, Aerospace Research Institute of Materials and Processing Technology, Beijing 100076, China;2. Key Laboratory of Aerospace Advanced Materials and Performance, School of Materials Science and Engineering, Beihang University, Beijing 100191, China |
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| Abstract: | This review paper examines ten current ceramic radome materials under research and development and provides a comprehensive overview of available high temperature and high frequency data from literature. An examination of metamaterials for radio-frequency transparent radomes is given and our preliminary experimental results of a high-temperature metamaterial design are presented. The next-generation hypersonic vehicles’ radome temperatures will exceed 1000℃ and speeds will exceed Mach 5. An ideal radome material will have a high flexural strength, low dielectric constant and loss tangent, and high resistance to thermal shock and corrosion. The microstructural effect on the dielectric and mechanical properties and the effects of environmental factors such as rain are discussed. The impact of metamaterial structure on key radome factors such as boresight error, gain, and polarization is examined. After examining the associated benefits with the use of metamaterials, our preliminary results for a potential high-temperature metamaterial design are presented. |
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| Keywords: | Radome Hypersonic Ceramic High temperature Review Metamaterial |
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