Additive manufactured gyroid-based cell structures under compression: design, testing and simulation for biomedical applications

The mechanical behaviour of a DMLS Ti-6Al-4V gyroid-based cellular structure (CS), with potential application in the fabrication of implants, was studied under compressive conditions. The influence of the CS volumetric fraction on the elastic modulus was experimentally evaluated in cubic and cylindr...

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Bibliographic Details
Published in:Computer methods in biomechanics and biomedical engineering 2024, Vol.27 (2), p.211-221
Main Authors: Castro-Sandoval, Juan Carlos, Chavez, Alfredo, Corona-Castuera, Jorge, Henao, John, Rivera-Gil, Marco Antonio, Poblano-Salas, Carlos A.
Format: Article
Language:English
Subjects:
Additive manufacturing
Approximation
Biomedical materials
Cancellous bone
Cellular structure
compression testing
Fabrication
Finite element method
gyroid-based cell structures
Mechanical properties
Modulus of elasticity
Surgical implants
Titanium base alloys
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Summary:The mechanical behaviour of a DMLS Ti-6Al-4V gyroid-based cellular structure (CS), with potential application in the fabrication of implants, was studied under compressive conditions. The influence of the CS volumetric fraction on the elastic modulus was experimentally evaluated in cubic and cylindrical samples. The experimental results showed that the selected parameters allowed approximating the mechanical behaviour of the CS to that of trabecular bone. Finite element analysis was employed to study the mechanical behaviour of the CS. The model presented a good approximation of the experimental results, being useful to predict the mechanical behaviour of the CS.
ISSN:1025-5842
1476-8259
DOI:10.1080/10255842.2023.2179366