metal alloys

Video: No more rivet guns—Unweldable metals can now be 3-D printed, thanks to nanoparticles

By Faye Oney / September 27, 2017

Researchers have successfully 3-D printed unweldable aluminum alloys, incorporating zirconium-based nanopowders into the additive manufacturing process, which prevents hot cracking. They say they can now make any unweldable metal weldable using this process.

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Bringing the bounce: Unusual chemical structure gives new metallic glass material its elasticity

By Stephanie Liverani / May 5, 2016

Engineers at the University of Southern California, University of California, San Diego, and the California Institute of Technology (Pasadena, Calif.) created a new metallic glass material with an unusual chemical structure that makes it incredibly hard and yet elastic.

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The spin on state-of-the-art ceramics—coming to a turbine near you

By Stephanie Liverani / August 4, 2015

Jim Vartuli, manager of GE’s engineered ceramic laboratory, describes in a new video how GE is revolutionizing jet engines using ceramic matrix composites.

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