Penn Engineer’s ‘Metallic Wood’ Has the Strength of Titanium and the Density of Water

Penn Engineering
Jan 24, 2019 · 5 min read
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A microscopic sample of the researchers’ “metallic wood.” Its porous structure is responsible for its high strength-to-weight ratio, and makes it more akin to natural materials, like wood.
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James Pikul
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Stacked plastic spheres, white, provide a framework for nickel, blue, and are ultimately dissolved away. Once there is an open lattice of nickel, other functional coatings, yellow, can be added.
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Metallic wood foil on a plastic backing.

Penn Engineering

University of Pennsylvania’s School of Engineering and…

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