Scientists Developed Transparent, Light, Repairable Bullet-Proof Armor
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Scientists Developed Transparent, Light, Repairable Bullet-Proof Armor

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10 Research chemists at the US Naval Research Laboratory (NRL) have developed and patented a transparent thermoplastic elastomer armor to reduce weight, inherent in most bullet-resistant glass, while maintaining superior ballistic properties and can be easily repaired on the field.

Thermoplastic elastomers are soft, rubbery polymers converted by physical means, rather than a chemical process, to a solid.

Consequently, the solidification is reversible and enables damaged armors surfaces to be repaired on-the-fly in the field.

Dr Mike Roland, senior scientist, NRL Soft Matter Physics, said, “Heating the material above the softening point, around 100 degrees Celsius, melts the small crystallites, enabling the fracture surfaces to meld together and reform via diffusion.”

“This can be accomplished with a hot plate, akin to an iron, that molds the newly forming surface into a smooth, flat sheet with negligible effect on integrity,” he said.

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NRL scientists have tested the use of polymeric materials as a coating up to now to achieve improved impact resistance of hard substrates.

Applying polyurea and polyisobutylene layers enhance the ballistic performance of armor and helmets, and achieve greater ballistic effectiveness and mitigation of blast waves.

By using a variation of employing thermoplastic elastomers, NRL scientists are able to recreate superior ballistic properties of polyurea and polyisobutylene coatings, with the added benefit of the material being transparent, lighter than conventional bullet-resistant glass, and repairable.

Ronald said, “Because of the dissipative properties of the elastomer, the damage due to a projectile strike is limited to the impact locus. This means that the effect on visibility is almost inconsequential, and multi-hit protection is achieved.”

Abhisikta Ganguly
Abhisikta Ganguly
I am an ordinary girl with extraordinary dreams which I live with to fulfill. People find me to be an upbeat, self-motivated team player. I will work until my idols become my rivals. I love adventures and love to explore the unknown from the very known thing. Besides, I love singing, writing and reading stories, listen to music and watching cartoons and movies.

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