Tuesday, April 25, 2023

News: New Ultralight Material Is Tougher than Steel and Kevlar

 New Ultralight Material Is Tougher than Steel and Kevlar

"A joint research project's findings have just been published in the journal Nature Materials from engineers from MIT, Caltech, and ETH Zurich that has yielded a "nano-architectured" material"

"The material is thinner than a strand of human hair and able to prevent high-speed particles from penetrating it."

"This could potentially mean that when produced on a larger scale, the new material should be able to provide a very tough, lightweight, alternative to more conventional impact-resistant materials (lie Kevlar or steel plate)." 

 

https://interestingengineering.com/science/newly-developed-molecular-nanofibers-are-stronger-than-steel

"A group of researchers from MIT developed a new class of small molecules that spontaneously assemble into nanoribbons stronger than steel."

"The MIT group's material is modeled after a cell membrane, the outer part of which is "hydrophilic," meaning it is stable in water. The inner part, meanwhile, is "hydrophobic," meaning it avoids water."

 

Self-assembly of aramid amphiphiles into ultra-stable nanoribbons and aligned nanoribbon threads 

Nature Nanotechnology volume 16pages 447–454 (2021) 

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