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December 25, 2015 06:00 pm
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/BbzZmgux2LU/ucla-creates-super-strong-super-light-metal
UCLA Creates Super-Strong, Super-Light Metal
An anonymous reader writes: Engineers working on planes, rockets, and other vehicles are always looking for new metals to make their creations lighter and stronger. A new invention from UCLA demonstrates "record levels of specific strength — how much weight a material can withstand before breaking — and specific modulus — the material's stiffness-to-weight ratio." The metal is mostly (86%) magnesium, but infused with an even dispersal of ceramic silicon carbide nanoparticles (abstract). A key part of their work was preventing the nanoparticles from clumping, since they attract each other if left alone. "To counteract this issue, researchers dispersed the particles into a molten magnesium zinc alloy. The newly discovered nanoparticle dispersion relies on the kinetic energy in the particles' movement. This stabilizes the particles' dispersion and prevents clumping."Read more of this story at Slashdot.
Original Link: http://rss.slashdot.org/~r/Slashdot/slashdot/~3/BbzZmgux2LU/ucla-creates-super-strong-super-light-metal
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