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Investigation on three-dimensional printed prosthetics leg sockets coated with different reinforcement materials: analysis on mechanical strength and microstructural

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Publicado en:Scientific Reports (Nature Publisher Group) vol. 14, no. 1 (2024), p. 6842
Autor principal: Ramlee, Muhammad Hanif
Otros Autores: Ammarullah, Muhammad Imam, Mohd Sukri, Nurelisya Suraya, Faidzul Hassan, Nur Syafiqah, Baharuddin, Muhammad Hanif, Abdul Kadir, Mohammed Rafiq
Publicado:
Nature Publishing Group
Materias:
Leg
Cement
Carbon
Scanning electron microscopy
Prostheses
Prosthetics
Mechanical properties
Fiberglass
Fabrication
Acceso en línea:Citation/Abstract
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Resumen:Previous research has primarily focused on pre-processing parameters such as design, material selection, and printing techniques to improve the strength of 3D-printed prosthetic leg sockets. However, these methods fail to address the major challenges that arise post-printing, namely failures at the distal end of the socket and susceptibility to shear failure. Addressing this gap, the study aims to enhance the mechanical properties of 3D-printed prosthetic leg sockets through post-processing techniques. Fifteen PLA + prosthetic leg sockets are fabricated and reinforced with four materials: carbon fiber, carbon-Kevlar fiber, fiberglass, and cement. Mechanical and microstructural properties of the sockets are evaluated through axial compression testing and scanning electron microscopy (SEM). Results highlight superior attributes of cement-reinforced sockets, exhibiting significantly higher yield strength (up to 89.57% more than counterparts) and higher Young’s modulus (up to 76.15% greater). SEM reveals correlations between microstructural properties and socket strength. These findings deepen the comprehension of 3D-printed prosthetic leg socket post-processing, presenting optimization prospects. Future research can focus on refining fabrication techniques, exploring alternative reinforcement materials, and investigating the long-term durability and functionality of post-processed 3D-printed prosthetic leg sockets.
ISSN:2045-2322
DOI:10.1038/s41598-024-57454-8
Fuente:Science Database