Gallery

Cube-octet carbon nano-lattice

Cube-octet carbon nano-lattice with specific strength higher than diamond (false color SEM image)

Carbon nanolattice

Carbon nanolattice fabricated by two-photon-polymerization of IP-Dip, followed by pyrolysis.

Nodal crack modeling in a hollow lattice

Finite Elements (FE) simulation of a crack propagation around the node of a hollow lattice subjected to external compression.

Hybrid microlattice

Metal/polymer lattice material fabricated at HRL Laboratories

3D Printed Multi-stable Mechanical Metamaterial

Multi-stable mechanical metamaterial in closed (left) and open (right) configurations, 3D printed by material jetting with Stratasys Objet Connex 3.

Carbon nanolattice

Detail of carbon nanolattice fabricated by two-photon-polymerization of IP-Dip, followed by pyrolysis.  The bar diameter is approximately 125nm.

SiOC micropillar cracked upon unloading

This SiOC micropillar, fabricated by 2pp-DLW of a pre-ceramic resin followed by pyrolysis, was loaded to 20% compressive strain and deformed plastically.  The cracks developed upon unloading.

Shell spinodal metamaterial

Nanoscale shell-based metamaterial with spinodal topology, fabricated by two-photon polymerization Direct Laser Writing (DLW).

Solid spinodal metamaterial

Nanoscale metamaterial with solid spinodal topology (50% density), fabricated by two-photon polymerization Direct Laser Writing (DLW).

Topology Optimization of Multi-phase Metmaterials

Example of optimized 2D topology for high stiffness, low density and high damping under propagation.

Carbon nanospinodal

Carbon spinodal shell nanolattice fabricated by two-photon-polymerization of IP-Dip, followed by pyrolysis.  The SEM image is false colorized.

Nanolattice Fabrication by Direct Laser Writing

Schematic of the two-photon polymerization Direct Laser Writing (DLW) technique for fabrication of nano-scale metamaterials and complex nano-structures.

Multistable Shape-Reconfiguring Architected Materials

Cover Art for our paper on Multistable Shape-Reconfigurable Architected Materials

Multi-stable mechanical metamaterial

Implementation of a 3D multi-stable mechancial metamaterial, fabricated by a combination of laser cutting (for the bars) and stereolithography (for the joints).