A systematic review on high‐performance fiber‐reinforced <scp>3D</scp> printed thermoset composites

Monticeli, Francisco Maciel; Neves, Roberta Motta; Ornaghi, Heitor Luiz; Almeida, José Humberto S.

doi:10.1002/pc.26133

Cited by 28 publications

(18 citation statements)

References 56 publications

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“…The first common aspect found across all tested specimens was the fiber orientation with respect to the road. On FFF, short fibers tend to maintain the orientation of the deposited roads [ 49 , 50 , 51 , 52 , 53 , 54 ], which can potentially increase the anisotropy of the printed part depending on the layer stacking sequence. As a result of this preferential fiber orientation, fibers in 0° layers could be observed mostly parallel to the load direction (see y-axis on Figure 12 ), while fibers in 90° layers were perpendicular to it.…”

Section: Resultsmentioning

confidence: 99%

Fused-Filament Fabrication of Short Carbon Fiber-Reinforced Polyamide: Parameter Optimization for Improved Performance under Uniaxial Tensile Loading

2022

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This study intends to contribute to the state of the art of Fused-Filament Fabrication (FFF) of short-fiber-reinforced polyamides by optimizing process parameters to improve the performance of printed parts under uniaxial tensile loading. This was performed using two different approaches: a more traditional 2k full factorial design of experiments (DoE) and multiple polynomial regression using an algorithm implementing machine learning (ML) principles such as train-test split and cross-validation. Evaluated parameters included extrusion and printing bed temperatures, layer height and printing speed. It was concluded that when exposed to new observations, the ML-based model predicted the response with higher accuracy. However, the DoE fared slightly better at predicting observations where higher response values were expected, including the optimal solution, which reached an UTS of 117.1 ± 5.7 MPa. Moreover, there was an important correlation between process parameters and the response. Layer height and printing bed temperatures were considered the most influential parameters, while extrusion temperature and printing speed had a lower influence on the outcome. The general influence of parameters on the response was correlated with the degree of interlayer cohesion, which in turn affected the mechanical performance of the 3D-printed specimens.

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Section: Resultsmentioning

confidence: 99%

Fused-Filament Fabrication of Short Carbon Fiber-Reinforced Polyamide: Parameter Optimization for Improved Performance under Uniaxial Tensile Loading

2022

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“…The interfacial adhesion optimization between printed layers is the focus that needs improvement in AM applications to ensure high delamination strength for the material. [ 29 ] The interlayer bonding microstructure of 3D‐printed BMs in the cross‐section perpendicular to the printing direction was observed with a small magnification optical microscope. The microstructure of the 3D printed magnet consists of bright plate‐like NdFeB magnetic particles uniformly distributed in the PA6 substrate, as shown in Figure 4A–D.…”

Section: Resultsmentioning

confidence: 99%

Effect of NdFeB particle size on the performance of 3D printed bonded magnets of polyamide‐based composites

Chen

Wang

et al. 2022

Polymer Composites

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Additive manufacturing has been widely used in the field of bonded magnets manufacturing. However, there are some key issues to be faced in order to obtain bonded magnets (BMs) with high performance. In this study, four different particle sizes of flake NdFeB powder (volume‐weighted mean diameter [VMD] of 5.60 μm, 19.21 μm, 33.25 μm, and 66.69 μm) were obtained by vibratory sieving. Flexible filaments for 3D printing BMs were produced using polyamide‐6 (PA6) as the substrate, and the production process is reported in this paper. Characterization of the performance of the 3D‐printed BMs revealed that the BMs with VMD less than 10 μm have excellent mechanical strength, but the ductility of the magnets decreases with decreasing VMD of NdFeB powder. As the NdFeB VMD decreases, the coercivity of the sample decreases and the remanence increases. This study provides a reference for the selection of filler particle size for 3D printing BMs, which can be used to develop 3D‐printed BMs with excellent performance.

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“…Several procedures are established depending upon different types of material like polymers and their nanocomposites. [33][34][35][36] Following, we introduce the working principles for the most relevant AM processes discussed in the subsequent sections.…”

Section: Additive Manufacturing Methodsmentioning

confidence: 99%

Additive manufacturing of smart polymeric composites: Literature review and future perspectives

2022

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The latest developments in smart systems for improved human lives with advanced biomedical devices have evolved out of multi‐disciplinary scientific studies, including medicine, biology, material sciences, design, manufacturing, artificial intelligence, microelectronics, and so forth. The growth of such intelligent systems is primarily possible with innovative materials, which demonstrate the response to various external stimuli like temperature, heat, moisture, light, electromagnetic field, and chemical alteration. Such materials have been recently fabricated using different additive manufacturing techniques to devise personalized unique, complex, and novel structures that can adjust to external conditions over time and are specifically attributed to 4D printing. Novel materials that can further improve such systems continued to be explored and employed. This review paper investigates the additive manufacturing of functional polymer nanocomposites, which offer compliant structures with flexible manufacturing processes with high strength, low cost, and long‐term stability. This study aims to deliver a comprehensive and deep understanding of the latest developments in materials, design, manufacturing, fundamental mechanisms involved, and future possibilities in this area of research.

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A systematic review on high‐performance fiber‐reinforced 3D printed thermoset composites

Cited by 28 publications

References 56 publications

Fused-Filament Fabrication of Short Carbon Fiber-Reinforced Polyamide: Parameter Optimization for Improved Performance under Uniaxial Tensile Loading

Fused-Filament Fabrication of Short Carbon Fiber-Reinforced Polyamide: Parameter Optimization for Improved Performance under Uniaxial Tensile Loading

Effect of NdFeB particle size on the performance of 3D printed bonded magnets of polyamide‐based composites

Additive manufacturing of smart polymeric composites: Literature review and future perspectives

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