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Bio-inspired composite structures derived from the moth model enable compatible stealth across the
Lingxi Huang1, Haoran Chen1, Kanglin Tang1
1Institute of Advanced Magnetic Materials, College of Materials and Environmental Engineering, Hangzhou Dianzi University, Hangzhou 310012, China.
Journal of Colloid and Interface Science
|September 21, 2025
Summary
This study presents a novel multispectral stealth material inspired by moth microstructures. The composite material effectively reduces radar cross section, infrared emissivity, and visible light reflectance for advanced stealth applications.
Area of Science:
- Materials Science
- Biomimetics
- Nanotechnology
Background:
- Designing effective multispectral stealth systems is challenging.
- Moth microstructures offer inspiration for antireflective properties.
Purpose of the Study:
- To develop a composite biomimetic model for multispectral stealth.
- To achieve stealth across radar, infrared, and visible light bands.
Main Methods:
- Integrated multiple antireflective structures inspired by moth eyes, villi, and wings.
- Utilized carbonyl iron powder (CIP) composite with grating-hole structures for radar stealth.
- Incorporated an aluminum film infrared stealth layer with grating-protrusion structures.
Main Results:
- Achieved a radar cross section (RCS) below -10 dB across a wide angular range.
- Demonstrated effective microwave absorption bandwidths of 5.38-10.15 GHz and 23.83-28.32 GHz.
- Reduced infrared emissivity to 0.11-0.31 with excellent thermal stability and visible light reflectance below 30%.
Conclusions:
- Established a composite biomimetic design framework for advanced stealth materials.
- Proposed new mechanisms for achieving multispectral stealth and antireflection.
- The developed material offers significant advancements in stealth technology.
