3D Printed Hollow Off-Axis Profiles Based on Carbon Fiber-Reinforced Polymers: Mechanical Testing and Finite Element Method Analysis

Kalová, Martina; Rusnáková, Soňa; Krzikalla, David; Měsíček, Jakub; Tomášek, Radek; Podeprelova, Adela; Rosický, Jiří; Pagáč, Marek

doi:10.3390/polym13172949

Cited by 14 publications

(9 citation statements)

References 42 publications

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“…The same way are produced also the composites with brass particles, copper particles, bronze particles and others. Modern and innovative filaments with progressive properties are created with nanoparticles of different composition [11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Resistance and Strength of Conductive PLA Processed by FDM Additive Manufacturing

et al. 2022

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There is a large number of materials that can be used for FDM additive manufacturing technology. These materials have different strength properties, they are designed for different purposes. They can be highly strong or flexible, abrasion-resistant, or designed for example for environments with higher thermal loads. However recently new innovative and progressive materials have come to the practice, which include nano-composite particles, bringing new added value. One such material is the Conductive PLA material, which is capable of conducting electric current. The aim of this article is to present the material properties of this material. The article describes the design of the experiment, the process of measuring the resistance of samples printed by FDM device, measuring the maximum tensile strength of samples. The article includes a statistical evaluation of the measured data, with the determination of the significance of individual factors of the experiment as well as the evaluation of the overall result of the experiments.

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Section: Introductionmentioning

confidence: 99%

Resistance and Strength of Conductive PLA Processed by FDM Additive Manufacturing

et al. 2022

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“…The mechanical characteristics of the 3D-printed materials can be determined with precise accuracy using the finite element method analysis, as was substantiated by a study conducted to test the tensile strength of an FDM-printed hollow off-axis profile with carbon fiber-reinforced polymer filament (Figure A–C). Moreover, optimizing the consequential operating parameters can lead to developing materials with better compressive, tensile, and fracture strength.…”

Section: Modeling and Simulation Aid For Performance Evaluationmentioning

confidence: 99%

Section: Modeling and Simulation Aid For Performance Evaluationmentioning

confidence: 99%

Strategies To Modify the Surface and Bulk Properties of 3D-Printed Solid Scaffolds for Tissue Engineering Applications

et al. 2023

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3D printing is one of the effective scaffold fabrication techniques that emerged in the 21st century that has the potential to revolutionize the field of tissue engineering. The solid scaffolds developed by 3D printing are still one of the most sought-after approaches for developing hard-tissue regeneration and repair. However, applications of these solid scaffolds get limited due to their poor surface and bulk properties, which play a significant role in tissue integration, loadbearing, antimicrobial/antifouling properties, and others. As a result, several efforts have been directed to modify the surface and bulk of these solid scaffolds. These modifications have significantly improved the adoption of 3D-printed solid scaffolds and devices in the healthcare industry. Nevertheless, the in vivo implant applications of these 3D-printed solid scaffolds/devices are still under development. They require attention in terms of their surface/bulk properties, which dictate their functionality. Therefore, in the current review, we have discussed different 3D-printing parameters that facilitate the fabrication of solid scaffolds/devices with different properties. Further, changes in the bulk properties through material and microstructure modification are also being discussed. After that, we deliberated on the techniques that modify the surfaces through chemical and material modifications. The computational approaches for the bulk modification of these 3D-printed materials are also mentioned, focusing on tissue engineering. We have also briefly discussed the application of these solid scaffolds/devices in tissue engineering. Eventually, the review is concluded with an analysis of the choice of surface/bulk modification based on the intended application in tissue engineering.

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“…Nylon/carbon fiber (CF) composites have been used to create lightweight automobile parts and aircraft structural applications (Kovacs et al, 2019;Ma et al, 2016). Many investigations have been carried out to experimentally analyze the structural properties of 3D printed nylon/CF composites (Caminero et al, 2018a(Caminero et al, , 2018bDelporte and Ghasemnejad, 2021;Kalova et al, 2021;Mohammadizadeh et al, 2018Mohammadizadeh et al, , 2019Yu et al, 2019). Few studies also highlighted techniques for identifying voids and defects in printed composite samples, such as nonhomogeneous fiber distributions, inter and intralayer voids and the influence of those parameters on mechanical properties (Hou et al, 2020;Iragi et al, 2019;Sommacal et al, 2021).…”

Section: Introductionmentioning

confidence: 99%

Investigation into tensile behavior of 3D printed nylon-based low and high-volume fraction carbon fiber composite

Mishra

Jagadesh

2023

RPJ

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Purpose The tensile behavior of additively manufactured nylon-based carbon fiber-reinforced composites (CFRP) is an important criterion in aerospace and automobile structural design. So, this study aims to evaluate and validate the tensile stiffness of printed CFRP composites (low- and high-volume fraction fiber) using the volume average stiffness (VAS) model in consonance with experimental results. In specific, the tensile characterization of printed laminate composites is studied under the influence of raster orientations and process-induced defects. Design/methodology/approach CFRP composite laminates of low- and high-volume fraction carbon fiber of different raster orientations (0°, ± 45° and 0/90°) were fabricated using the continuous fiber 3D printing technique, and tensile characteristics of laminates were done on a universal testing machine with the crosshead speed of 2 mm/min. The induced fracture surface of laminates due to tensile load was examined using the scanning electron microscopy technique. Findings The VAS model can predict the tensile stiffness of printed CFRP composites with different raster orientations at an average prediction error of 5.94% and 10.58% for low- and high-volume fiber fractions, respectively. The unidirectional CFRP laminate composite with a high-volume fraction (50%) of carbon fiber showed 50.79% more tensile stiffness and 63.12% more tensile strength than the low-volume fraction (26%) unidirectional composite. Fiber pullout, fiber fracture and ply delamination are the major failure appearances observed in fracture surfaces of laminates under tensile load using scanning electron microscopy. Originality/value This investigation demonstrates the novel methodology to study specific tensile characteristics of low- and high-volume fraction 3D printed CFRP composite.

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3D Printed Hollow Off-Axis Profiles Based on Carbon Fiber-Reinforced Polymers: Mechanical Testing and Finite Element Method Analysis

Cited by 14 publications

References 42 publications

Resistance and Strength of Conductive PLA Processed by FDM Additive Manufacturing

Resistance and Strength of Conductive PLA Processed by FDM Additive Manufacturing

Strategies To Modify the Surface and Bulk Properties of 3D-Printed Solid Scaffolds for Tissue Engineering Applications

Investigation into tensile behavior of 3D printed nylon-based low and high-volume fraction carbon fiber composite

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