CAVALCANTI, D. M.; http://lattes.cnpq.br/5454841411081460; CAVALCANTI, Diego de Melo.
Résumé:
The present dissertation addresses the mechanical characterization of a nasal swab
design manufactured through additive manufacturing using the MultiJet Print (MJP)
process. The design of the nasal swab was modeled in Computer Aided Design (CAD)
based on academic research, highlighting a device with optimal performance in mucus
collection and a good balance between flexibility and mechanical strength. The chosen
designs were printed by the CONNEX350 using the MultiJet Print process, employing
specific parameters. Mechanical tests of traction and flexion were conducted using the
Instron 3366 Universal Testing Machine, demonstrating the resistance and behavior of
the swabs when subjected to loads during their use. Additionally, for torsion tests, an
experimental setup was developed. At the end of the characterization tests, the results
were compared with some commercially available swab models already mechanically
tested, providing a more accurate understanding of the device's performance
compared to existing ones, highlighting the feasibility of additive manufacturing in this
context.