[HTML][HTML] 3D printing of curvilinear fiber reinforced variable stiffness composite structures: A review

Z Guo, Z Hou, X Tian, W Zhu, C Wang, M Luo… - Composites Part B …, 2024 - Elsevier
Abstracts Curvilinear fiber reinforced variable stiffness structures (CFRVSSs) can be
designed by adjusting the local fiber orientation and content to maximize the performance …

Heterogeneous structures and morphological transitions of composite materials and its applications

X Zhang, L Zhou, X Cai, X Zheng, W Liu… - … Composites and Hybrid …, 2024 - Springer
Advanced materials with heterogeneous microstructures enable superior properties
unattainable in conventional materials. Challenges remain in predictive design, requiring …

Direct modeling of the elastic properties of single 3D printed composite filaments using X-ray computed tomography images segmented by neural networks

E Polyzos, C Nikolaou, D Polyzos… - Additive …, 2023 - Elsevier
This study introduces a new method for creating accurate microscale finite element (FE)
models of 3D printed composites. The approach involves utilizing conventional micro …

Influence of void contour on the elastic behavior of parts produced by material extrusion

E Polyzos, D Van Hemelrijck, L Pyl - Additive Manufacturing, 2022 - Elsevier
The significant void content is the most noticeable flaw of 3D printed thermoplastic
structures. The voids run parallel to the printed filaments, resulting in non-ellipsoidal …

Stiffness optimisation of sandwich structures with elastically isotropic lattice core

Y Zhu, E Polyzos, L Pyl - Thin-Walled Structures, 2024 - Elsevier
This study concerns homogenisation-based stiffness optimisation with elastically isotropic
plate and truss-based lattice structures. Due to the lattices' isotropy, an optimised design can …

[HTML][HTML] Mode I, mode II and mixed mode I-II delamination of carbon fibre-reinforced polyamide composites 3D-printed by material extrusion

A Katalagarianakis, E Polyzos… - Composites Part A …, 2023 - Elsevier
Continuous carbon fibres can greatly improve the properties of 3D-printed polymer parts
made by material extrusion. However, like all laminated composites, 3D-printed parts are …

[HTML][HTML] Stochastic semi-analytical modeling of reinforced filaments for additive manufacturing

E Polyzos, D Van Hemelrijck, L Pyl - Composites Part B: Engineering, 2023 - Elsevier
This study presents a novel stochastic modeling approach that addresses two challenges
encountered in micromechanical modeling of short-fiber composites. Firstly, the challenge of …

[HTML][HTML] Build and raster orientation effects on CFRP onyx/aramid impact absorption

BA Moreno-Núñez, MA Guerrero-Alvarado… - Composites Part C …, 2024 - Elsevier
Composite materials fabricated via additive manufacturing are becoming more relevant in
ready-for use products used in engineering applications like aerospace structures …

Modeling of the coefficient of thermal expansion of 3D-printed composites

E Polyzos, D Van Hemelrijck, L Pyl - International Journal of Mechanical …, 2024 - Elsevier
This study examines the coefficient of thermal expansion (CTE) in 3D-printed composites
reinforced with short fibers. A novel analytical approach is introduced rooted in extracting …

Design and numerical analysis of perforated plate lattice structures

Y Zhu, J Pan, E Polyzos, J Wang, L Pyl - Thin-Walled Structures, 2024 - Elsevier
The plate lattice structure, a novel mechanical metamaterial, surpasses traditional truss
lattice structures in stiffness and strength. However, its closed-walled topology poses …