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- Title
Flexural Properties of Additively Manufactured Structures Reinforced with Cellular and Fractal Patterns.
- Authors
Martínez‐Magallanes, Mario; Perez‐Santiago, Rogelio; Roman‐Flores, Armando; Cuan‐Urquizo, Enrique
- Abstract
The interest in exploring new microarchitected materials that take advantage of precise geometrical construction to achieve unique properties has recently arisen due to the accelerated development of additive manufacturing. Exploring and understanding the mechanical behavior of additively manufactured structures remains crucial to expand the capabilities of this technology. Herein, a methodology to design, fabricate, and characterize the flexural behavior of additively manufactured structures reinforced with cellular and fractal patterns is presented. A total of 16 different arrangements are designed, tested, and numerically simulated, including 4 cellular arrangements, 10 fractal, and 2 nonreinforced structures. Samples are fabricated out of polylactic acid via material extrusion, subjected to three‐point bending loading and simulated via finite element models. Further, the fracture modes and deformation mechanisms from the experimental tests to obtain a broad overview of their flexural capabilities are examined. An increase in stiffness of up to 36% is observed for the cellular‐reinforced structures, while the fractal‐reinforced structures present great recovery, flexibility, and unconventional bending behaviors.
- Subjects
CELL anatomy; MULTIFRACTALS; GEOMETRICAL constructions; FINITE element method; FRACTALS; POLYLACTIC acid
- Publication
Advanced Engineering Materials, 2024, Vol 26, Issue 7, p1
- ISSN
1438-1656
- Publication type
Article
- DOI
10.1002/adem.202301938