Quasi-static and dynamic compressive behaviour of additively manufactured Menger fractal cube structures

This paper presents the first-ever investigation of Menger fractal cubes' quasi-static compression and impact behaviour. Menger cubes with different void ratios were 3D printed using polylactic acid (PLA) with dimensions of 40 mm × 40 mm × 40 mm. Three different orders of Menger cubes with diff...

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Bibliographic Details
Published in:Defence technology 2024-07, Vol.37 (7), p.39-49
Main Authors: Mohotti, Damith, Weerasinghe, Dakshitha, Bogahawaththa, Madhusha, Wang, Hongxu, Wijesooriya, Kasun, Hazell, Paul J.
Format: Article
Language:English
Subjects:
Additive manufacturing
Alternative energy sources
Compression tests
Compressive properties
Crash barriers
Cubes
Deformation
Energy absorption
Energy dissipation
Energy efficiency
Failure modes
Fractal geometries
Fractals
Fracture mechanics
Fractures
Geometry
Impact loads
Localization
Menger cube
Plastic foam
Polylactic acid
Propagation
Quasi-static
Void ratio
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