Shock-dissipating fractal cubes could forge high-tech armor

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Offline claude

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« on: July 09, 2020, 01:45:45 PM »
https://phys.org/news/2020-07-shock-dissipating-fractal-cubes-forge-high-tech.html

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Shock-dissipating fractal cubes could forge high-tech armor
by Los Alamos National Laboratory
Simulations show how fractal structures of increasing complexity dissipate energy from shockwaves. Credit: Los Alamos National Laboratory

Tiny, 3-D printed cubes of plastic, with intricate fractal voids built into them, have proven to be effective at dissipating shockwaves, potentially leading to new types of lightweight armor and structural materials effective against explosions and impacts.

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Although effective, it's not clear that the fractal structure is the best shock-dissipating design. The researchers are investigating other void- or interface-based patterns in search of ideal structures to dissipate shocks.

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The research will be published in the July 2020 issue of AIP Advances, in the article "Shockwave dissipation by interface-dominated porous structures," by D.M. Dattelbaum et al.


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