3D Printing with polygrain lattices
Similar to single crystals, single oriented lattices commonly used in 3D printing to reduce weight suffer instability during deformation, and lose most of their strength when shear bands occur. This technology enables the engineering of extrinsic lattice cells that mimic key crystal microstructures to open a new space of designing and tailoring the properties 3D printed parts. This innovative approach significantly increases the strength of lattices, and enables the production of lightweight, but tough and damage-tolerant structures most sought after in aerospace, automotive and defence applications.
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