SHAPE-SHIFTING STRUCTURED LATTICE AND METHOD OF MAKING A SHAPE-SHIFTING STRUCTURED LATTICE

A shape-shifting structured lattice comprises a printed lattice including printed ribs joined at nodes. Each printed rib has a predetermined sweep angle {tilde over (θ)}i between adjacent nodes and a bilayer structure including at least two printed filaments in contact along a length thereof. The at...

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Bibliographische Detailangaben
Hauptverfasser:	Boley, J. William, van Rees, Willem M, Lewis, Jennifer A, Mahadevan, Lakshminarayanan
Format:	Patent
Sprache:	eng
Schlagworte:	AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING PERFORMING OPERATIONS SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDEDFOR SHAPING OR JOINING OF PLASTICS TRANSPORTING WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Beschreibung
Zusammenfassung:	A shape-shifting structured lattice comprises a printed lattice including printed ribs joined at nodes. Each printed rib has a predetermined sweep angle {tilde over (θ)}i between adjacent nodes and a bilayer structure including at least two printed filaments in contact along a length thereof. The at least two printed filaments comprise different linear coefficients of thermal expansion and/or different values of elastic modulus. When exposed to a stimulus, the printed lattice adopts a predetermined three-dimensional geometry.