Chinese researchers create body armour inspired by crocodile scales

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A group of scientists in China has turned to crocodiles for inspiration while working on a new body armour concept built around lightweight ceramic materials.

The idea came from the way crocodile scales overlap across the animal’s body. Instead of sitting in neat patterns, the scales form uneven layers that help spread force and provide protection during attacks.

The research was done at Ningbo University, led by associate research fellow Zhaoxiu Jiang. They based their design on the overlapping, asymmetrical skin of a crocodile that offers them protection against predators. 

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According to the research team, the layout helped deflect projectiles during testing instead of allowing the full force to hit a single point directly.

The ceramic pieces were fixed onto an aluminium alloy backing layer with epoxy resin to hold the structure together while keeping overall weight lower than heavier armours.

Zhaoxiu Jiang said the asymmetric arrangement was able to produce projectile deflection during experiments.

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Ceramic materials were selected mainly because they combine hardness with relatively low density. Researchers believe that balance could make the system useful in situations where mobility and protection both matter.

The findings were published in Acta Armamentarii.

Although the work is still at the experimental stage, the researchers believe designs like this could eventually influence future lightweight armor systems for military or security use.

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