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Electromagnetic Shielding Film: Play Peekaboo With Radar Detection?

wallpapers Cruise 2020-12-16
The MAX phase material is a natural layered carbonitride inorganic non-metallic material composed of three elements. It has the electrical and thermal properties of metal, and also has the high strength, high temperature resistance, corrosion resistance and other harsh environment service capabilities of structural ceramics.
MAX phase materials have received extensive attention in the fields of high-temperature lubrication, oxidation-resistant coatings, accident-tolerant nuclear materials, self-healing composite materials, and energy materials. Materials scientists at home and abroad are actively carrying out a large number of exploration and research.

High-strength electromagnetic shielding film materials have broad application prospects in flexible devices, automotive electronics and aerospace, but more breakthroughs are needed to realize that fighters and warships can hide and seek with the enemy.
Inspired by the mother-of-pearl micro/nano structure and its excellent mechanical properties, Professor Zhang Haobin from Beijing University of Chemical Technology used simple solution blending and vacuum filtration methods to mix cellulose nanocrystals (CNC) and MXene, and then assembled them layer by layer. Performance MXene-based composite film. The mechanical properties of the film have been significantly improved, while retaining the high conductivity (104 S/m) and excellent electromagnetic shielding performance of the composite film, which can reach more than 40 dB at a thickness of 8 μm.

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