Ultralight, ultrastiff mechanical metamaterials
Xiaoyu Zheng(Lawrence Livermore National Laboratory), Howon Lee(Massachusetts Institute of Technology), Todd H. Weisgraber(Lawrence Livermore National Laboratory), Maxim Shusteff(Lawrence Livermore National Laboratory), Joshua R. DeOtte(Lawrence Livermore National Laboratory), Eric B. Duoss(Lawrence Livermore National Laboratory), Joshua D. Kuntz(Lawrence Livermore National Laboratory), Monika M. Biener(Lawrence Livermore National Laboratory), Qi Ge(Massachusetts Institute of Technology), Julie A. Jackson(Lawrence Livermore National Laboratory), S. O. Kucheyev(Lawrence Livermore National Laboratory), Nicholas X. Fang(Massachusetts Institute of Technology), Christopher M. Spadaccini(Lawrence Livermore National Laboratory)
Cited by 2,220Open Access
Abstract
Microlattices make marvelous materials Framework or lattice structures can be remarkably strong despite their very low density. Using a very precise technique known as projection microstereolithography, Zheng et al. fabricated octet microlattices from polymers, metals, and ceramics. The design of the lattices meant that the individual struts making up the materials did not bend under pressure. The materials were therefore exceptionally stiff, strong, and lightweight. Science , this issue p. 1373
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