Mechanical Performance of 3D-Printed Biocompatible Polycarbonate for Biomechanical Applications

Gómez-Gras, Giovanni; Abad, M.D.; Pérez, Marco A.

doi:10.3390/polym13213669

Cited by 12 publications

(11 citation statements)

References 33 publications

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“…Gomez-Gras et al, in their study, found that the effect of setting the printing parameters does not significantly affect the weight, cost, and production time but has a significant impact on the mechanical and functional properties: strength, stretching, bending, shearing, impact, and fatigue material [24].…”

Section: Discussionmentioning

confidence: 98%

“…Polycarbonate is resistant to high temperatures (processing temperature from 280 • C to 310 • C), which allows for a wide range of use (at temperatures from −100 • C to 135 • C). It enables steam sterilization using an autoclave, where the process temperature reaches 134 • C, as well as gamma radiation or ethylene oxide [24]. Thanks to the resistance to UV radiation, the material can also be sterilized by ultraviolet germicidal irradiation (UVGI) method.…”

Section: Introductionmentioning

confidence: 99%

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Surgery Training System Supported by Organic Materials

et al. 2022

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The aim of the study was the qualitative assessment of new materials based on a polycarbonate matrix in terms of its use in 3D printing and its processing and geometric modification (cutting). Filaments made of the new material doped with talc in five different proportions were visually inspected with a microscope. The calibration and test models were made using the FFF (fused filament fabrication) technique. In addition, its susceptibility to the drill and the behavior of the shavings were assessed and the temperature changing during drilling was measured. The implant was inserted to measure its resonance stability in each of the holes made and translated into the value of the implant stability quotient (ISQ) ranging from 1 to 100. The results were compared to those obtained for the training model of the skull bone. The amount of filler has been shown to affect the composite. Moreover, due to the properties of talc, a compatibilizer (polyol) was used. Differences were observed between the model made of the commercial material, the model made of the dried, tested material, and the model made of the undried material. It was confirmed that the presence of water in the material during its processing is important.

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Section: Discussionmentioning

confidence: 98%

Section: Introductionmentioning

confidence: 99%

Surgery Training System Supported by Organic Materials

et al. 2022

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“…Several studies investigated the effect of process parameters on static mechanical properties such as tensile modulus, tensile strength and fracture toughness [ 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ]. On the other hand, some papers focused on fatigue behaviour, such as fatigue life and strength [ 5 , 16 , 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 ].…”

Section: Introductionmentioning

confidence: 99%

Effect of 3D Printing Process Parameters on Damping Characteristic of Cantilever Beams Fabricated Using Material Extrusion

Ning

Khan

2023

Polymers

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The present paper aims to investigate the process parameters and damping behaviour of the acrylonitrile butadiene styrene (ABS) cantilever beam manufactured using material extrusion (MEX). The research outcome could guide the manufacture of MEX structures to suit specific operating scenarios such as energy absorption and artificially controlled vibration responses. Our research used an experimental approach to examine the interdependencies between process parameters (nozzle size, infill density and pattern) and the damping behaviour (first-order modal damping ratio and loss factor). The impact test was carried out to obtain the damping ratio from the accelerometer. A dynamic mechanical analysis was performed for the loss factor measurement. The paper used statistical analysis to reveal significant dependencies between the process parameters and the damping behaviour. The regression models were also utilised to evaluate the mentioned statistical findings. The multiple third-order polynomials were developed to represent the relation between process parameters and modal damping ratio using stiffness as the mediation variable. The obtained results showed that the infill density affected the damping behaviour significantly. Higher infill density yielded a lower damping ratio. Nozzle size also showed a notable effect on damping. A high damping ratio was observed at a significantly low value of nozzle size. The results were confirmed using the theoretical analysis based on the underlying causes due to porosity in the MEX structure.

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“…It has wide applications in electronics, 8 construction, 9 automotive systems, 10,11 and aircraft 12 owing to its excellent mechanical, thermal, and optical properties. 6,[13][14][15][16] The enormous global production has led to an urgent need for effective recycling. Among various recycling approaches, [17][18][19][20][21] chemical recycling holds great promise because it can degrade polymers into easily processable building blocks or valuable chemicals.…”

Section: Introductionmentioning

confidence: 99%