Additive manufacturing of polymer nanocomposites: Needs and challenges in materials, processes, and applications
TLDR
A comparative review of additive manufacturing processes for polymer composites and their applications is presented in this article, which aims to provide engineers and scientists with an updated understanding of the underlying issues, barriers, limitations, and opportunities.Abstract:
Polymer nanocomposites have attracted increasing interest in research and development with several current and potential industrial applications due to their wide margin of superiority over conventional materials. Polymer composites provide a higher strength-to-weight ratio, easily customizable product properties, flexible manufacturing processes, high resistance to corrosion or erosion, and lower cost. The recent progress in additive manufacturing (AM) methods has paved the way for even a broader range of flexibilities in design and materials in several industrial sectors, including aerospace, biomedical, construction, electronics, telecommunication, mechanical, and defense. However, some hindrances remain in the synthesis of polymer composites and their fabrication through AM technologies. A comparative review of AM processes for polymer composites and their applications is presented in this study. This study aims to provide engineers and scientists with an updated understanding of the underlying issues, barriers, limitations, and opportunities. It will also help the reader to systematically reveal the research problems and future directions related to materials synthesis and AM processes.read more
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Fused Filament Fabrication Process: A Review of Numerical Simulation Techniques.
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References
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Vat photopolymerization of charged monomers: 3D printing with supramolecular interactions
Emily M. Wilts,Allison M. Pekkanen,B. Tyler White,Viswanath Meenakshisundaram,Donald C. Aduba,Christopher B. Williams,Timothy Edward Long +6 more
TL;DR: In this article, photo-reactive monomers with acrylate, acrylamide, and vinyl polymerizable sites enabled the formation of water-soluble 3D printed parts using vat photopolymerization.
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Development of strain hardening cementitious composite (SHCC) reinforced with 3D printed polymeric reinforcement: Mechanical properties
Yading Xu,Branko Šavija +1 more
TL;DR: In this article, an alternative approach for creating strain hardening cementitious composites (SHCCs) through use of additive manufacturing to create polymeric reinforcement meshes is proposed, and different designs are manufactured, casted in the cementitious matrix, and tested in four-point bending and uniaxial tension.
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Fabrication of Biocompatible Composites of Poly(lactic acid)/Hydroxyapatite Envisioning Medical Applications
Eduardo Henrique Backes,Laís de Nóbile Pires,Cesar Augusto Gonçalves Beatrice,Lidiane Cristina Machado Costa,Fabio Roberto Passador,Luiz Antonio Pessan +5 more
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Characterization of the anisotropic thermal conductivity of additively manufactured components by fused filament fabrication
TL;DR: In this article, the effect of the layer height and raster width on the thermal conductivity of 3D-printed components was investigated experimentally and numerically to investigate the thermal anisotropic nature of unidirectional printed parts.
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New approach to evaluate 3D laser printed parts in powder bed fusion-based additive manufacturing in-line within closed space
TL;DR: In this paper, a new in-process approach for quality control with high precision metrology based on structured light is proposed, which allows precise layer by layer dimensional measurement of both the printed part and the powder deposition, allows for process assessment in- or off-line.
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