Adjustable, radii-controlled embedded lamina (RadiCEL) hinges for folding of thick origami-adapted systems

Ynchausti, Collin; Shirley, Spencer; Magleby, Spencer P.; Howell, Larry L.

doi:10.1016/j.mechmachtheory.2023.105361

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2024

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Cited by 3 publications

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Influence of printing parameters and hinge structure on shape memory performance at the hinge in 4D origami structures

Liu,

Yang,

Wang

et al. 2024

Smart Mater. Struct.

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Four-dimensionally (4D) printing technology effectively demonstrates the advantages of portability, foldability, and improved mechanical properties in origami structures. This study highlights the significance of printing process parameters and origami hinge structures in ensuring rapid and complete deployment of origami structures. Polylactic acid (PLA) based semicrystalline shape memory polymer was utilized to produce 4D printed origami structures. Through response surface analysis methods and bending tests, optimal printing parameters were determined, including layer thickness of 0.31 mm, extrusion speed of 17 mm/s, and infill percentage of 71%. Additionally, the study designed a U-shaped hinge and analyzed its recovery mechanism through micromorphology of bending hinges and recovery experiments.

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