3D-Printed recycled polyethylene terephthalate (PET) sandwich structures – Influence of infill design and density on tensile, dynamic mechanical, and creep response by Ans Al Rashid, Muammer Koç

“…In pursuit of circular materials for 3DP, this study investigates the influence of infill design and density on tensile and dynamic mechanical properties of 3D-printed recycled polyethylene terephthalate (rPET) sandwich structures. rPET filaments were produced using waste plastic bottles and were used for the 3DP process to produce sandwich structure coupons. …”
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Optimization of 3D Extrusion Printing Parameters for Raw and Extruded Dehulled Andean Fava Bean Flours Using Response Surface Methodology (RSM) by Grimaldo Wilfredo Quispe Santivañez, Henry Juan Javier Ninahuaman, Joselin Paucarchuco Soto, Maria Teresa Pedrosa Silva Clerici, Rebeca Salvador-Reyes

“…This study optimizes the 3D extrusion printing parameters—water-to-flour ratio (X₁), temperature (X₂), and printing speed (X₃)—for raw (RFB) and extruded (EFB) dehulled Andean fava bean flours to maximize print quality and minimize structural defects. …”
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Optimization of Bioinspired Scaffolds to Enhance Cell Viability and Enable Tissue Growth by Jackeline de Oliveira Riqueira, Danilo Barbosa Liarte, Silvia Lenyra Meirelles Campos Titotto

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Electrodeposition of Nickel onto Polymers: A Short Review of Plating Processes and Structural Properties by George W. Thompson, Mohammad J. Mahtabi

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Evaluating 3D-Printed Polylactic Acid (PLA)-Reinforced Materials: Mechanical Performance and Chemical Stability in Concrete Mediums by Hanna Csótár, Szabolcs Szalai, Dmytro Kurhan, Mykola Sysyn, Szabolcs Fischer

“…Test specimens were prepared using optimized 3D printing strategies to ensure structural consistency and were embedded in concrete beams to analyze their reinforcement potential. …”
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Clinical Application of 3D‐Printed Custom Hemipelvic Prostheses With Negative Poisson's Ratio Porous Structures in Reconstruction After Resection of Pelvic Malignant Tumors by Xin Hu, Chuang Li, Xiaodi Tang, Yitian Wang, Yi Luo, Yong Zhou, Chongqi Tu, Xiao Yang, Li Min

“…These findings support the use of 3D printing in complex pelvic defect reconstruction, optimizing both osteointegration and mechanical strength.…”
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An experimental analysis of mechanical properties for a dissimilar pattern structure in the 3-D printing of a PLA5F filament using the Taguchi method by Thamizh Selvan S, Mohandass M

“…In this study, a new polymeric composite material was fabricated using Polylactic Acid and natural flax fiber was analysed for tensile stress, elongation, and impact load resistance using Taguchi Analysis. This analysis optimized the printing parameters, including layer thickness (0.15, 0.25, 0.35 mm), nozzle movement speed (80, 100, 120 mm s ^−1 ), filling structure (Lines - a, Triangular - b, and Octet - c), and occupancy rate (20%, 40%, 60%). …”
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Cementitious material development for additive fabrication by David Čítek, Karel Hurtig, Vladislav Bureš, Peter Koteš

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Auto-support: traction force constrained support structures optimization for bottom-up vat photopolymerization by Lingxin Cao, Xin Yan, Longdu Liu, Jikai Liu, Tengfei Jiang, Lin Lu

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Optimizing Graphene Oxide Content in Cellulose Matrices: A Comprehensive Review on Enhancing the Structural and Functional Performance of Composites by Ghazaleh Ramezani, Ion Stiharu, Theo G. M. van de Ven, Vahe Nerguizian

“…Various optimization techniques, including response surface methodology, particle swarm optimization, and artificial neural networks, have been employed to identify optimal graphene concentrations and processing conditions. …”
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Influence of Temperature on Interlayer Adhesion and Structural Integrity in Material Extrusion: A Comprehensive Review by Rayson Pang, Mun Kou Lai, Hiu Hong Teo, Tze Chuen Yap

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Property optimized energy absorber for automotive bumpers utilizing multi-material and structural design strategies by Komal Chawla, Ahmed Arabi Hassen, Nikhil Garg, Deepak Kumar Pokkalla, Desheng Yao, Tyler Smith, Brittany Rodriguez, Brandon White, X.Rayne Zheng, Ellen C. Lee, H.Felix Wu, Seokpum Kim

“…This study proposes a novel design for automotive bumper using optimized lattice structures and multi-materials to balance low-speed collision and high-speed pedestrian impact performance. …”
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AI-driven generative and reinforcement learning for mechanical optimization of 2D patterned hollow structures by Yicheng Shan, Leitao Cao, Yu Wang, Jing Ren, Chen Huang, Wenli Gao, Shengjie Ling

“…Concurrently, the DQN optimizes design parameters through scaling and rotation operations, enhancing structural performance based on predicted stress metrics. …”
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Laser-based 3D printing and optical characterization of optical micro-nanostructures inspired by nocturnal insects compound eyes by Bogdan Stefanita Calin, Roxana Cristina Popescu, Eugenia Tanasa, Irina Alexandra Paun

“…The dimensions of moth-eye inspired structures deviated by less than 10% from the natural corresponding structures. …”
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Compressive behavior of additively manufactured lightweight structures: Infill density optimization based on energy absorption diagrams by Cristina Vălean, Liviu Marșavina, Emanoil Linul

“…The use of 3D-printed components as load-bearing structures is widely studied, while their use as energy absorbers constitutes a gap in the additive manufacturing (AM) field. …”
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The Effect of Stress Distribution on Tibial Implants with a Honeycomb Structure in Open-Wedge High Tibial Osteotomy by Zengbo Xu, Chunhui Mu, Yi Xia

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Inverse Design of Highly Deformable Mechanical Metamaterial Based on Partitional Semi‐Random Optimization by Xueqing Cao, Zeang Zhao, Panding Wang, Shengyu Duan, Hongshuai Lei

“…In this research, the concept of partitional semi‐random optimization is proposed, which respectively records the structural evolution history in each subregion and evaluates the value. …”
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Laser printing of certain pixels of graphene nanoribbons by M.S. Komlenok, P.V. Fedotov, P.A. Pivovarov, V.I. Konov

“…A possibility of laser printing of graphene nanoribbon pixels while preserving the integrity of the structure and shape on the silicon substrate in accordance with the irradiated laser spot is demonstrated. …”
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Investigation of atom arrangement and defects evolution in Ni–Co alloy atomic-precision electrochemical 3D printing using molecular dynamics by Honggang Zhang, Kai Chen, Haibin Liu

“…Electrochemical 3D printing deposition, is becoming a key technology for fabricating metallic structure at the nanoscale. …”
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Sustainable 3D-printing filaments and their applications by Szabolcs Szalai, Brigitta Fruzsina Szívós, Vivien Nemes, Szabolcs Fischer

“…The findings contribute to the ongoing development of greener, high-performance 3D printing materials and suggest avenues for future research to optimize the balance between sustainability and material performance.…”
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