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AssigneeOregon State University
InventorsSamuel C. Leguizamon, Devin Roach, Adam W. Cook, Adam Bischoff
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Direct ink write (DIW) 3D printing, an extrusion-based additive manufacturing (AM) approach, is used to prepare aligned, monodomain liquid crystal elastomer (LCE) lattice structures which can be used for multi-strain rate mechanical damping, ranging from quasi-static compression to dynamic shock and vibration. LCE structures can not only dissipate strain energy in quasi-static environments because of their lattice architectures, but also harness the dynamic energy dissipation properties of the aligned, monodomain LCE material. The invention provides a pathway for the simple fabrication of mechanical damping devices that effectively dissipate energy across a broad range of loading rates.
A method to fabricate an aligned, monodomain liquid crystal elastomer (LCE) structure for energy dissipation, comprising:
A method for damping of an applied mechanical load, comprising
A mechanical damper, comprising a three-dimensional liquid crystal elastomer (LCE) lattice structure configured to absorb an impulse load, wherein the LCE comprises a plurality of mesogens that are at least partially aligned in an applied impulse loading direction.
A vibration isolator, comprising a three-dimensional liquid crystal elastomer (LCE) lattice structure configured to dampen the transmission of vibrations over a frequency range, wherein the LCE comprises a plurality of mesogens that are at least partially aligned in an applied vibration direction.
Dependencies are inferred from the claim text.