Materials

 

Materials

Investigating the impact of laser polishing parameters on surface roughness, mass ablation rate, and optical transmittance of 3D?printed PLA substrates
25/04/2024 - The interaction between the outer layer of PVDF and the shell interface enhances the crystallization of the outer layer PVDF, thereby improving the overall piezoelectric properties of the fiber....
Development of binary and ternary polyester shape memory blends for additive manufacturing
26/04/2024 - Abstract The goal of this work was to create shape memory polymer blends for the additive manufacturing technology of fused filament fabrication. An iterative approach was taken...
Selected Useful Properties of Polylactide Films Containing Nisaplin and Natamax
28/04/2024 - In this article, we present polymer materials consisting of polylactide (PLA) and nisaplin (N), as well as PLA and natamax (X). These materials were obtained using the solvent method and tested by...
High-Temperature Polylactic Acid Proves Reliable and Safe for Manufacturing 3D-Printed Patient-Specific Instruments in Pediatric Orthopedics—Results from over 80 Personalized Devices Employed in 47 Surgeries
26/04/2024 - (1) Background: Orthopedic surgery has been transformed by 3D-printed personalized instruments (3DP-PSIs), which enhance precision and reduce complications. Hospitals are adopting in-house 3D...
Predicting Mechanical Properties of Polymer Materials Using Rate-Dependent Material Models: Finite Element Analysis of Bespoke Upper Limb Orthoses
26/04/2024 - Three-dimensional printing—especially with fused deposition modeling (FDM)—is widely used in the medical field as it enables customization. FDM is versatile owing to the...
Performance of Recycled Polylactic Acid/Amorphous Polyhydroxyalkanoate Blends
28/04/2024 - Blends of polylactic acid (PLA) with amorphous polyhydroxyalkanoate (aPHA) are less brittle than neat PLA, thus enabling their use as biodegradable packaging. This work investigated the impact of...
Mechanical and Rheological Evaluation of Polyester-Based Composites Containing Biochar
28/04/2024 - The use of biodegradable polymers as matrices in composites gives a wide range of applications, especially in niche areas. The assessment of the effect of the filler content on the change of...
Study on the Properties of PLA- and PP-Based Films for Food Applications Incorporating Orange Peel Extract from Agricultural by-Products
29/04/2024 - The aim of this work was to develop active packaging based on polypropylene (PP) and polylactic acid (PLA) matrices using a high value by-product extracted from orange peel as an active compound for...
Enhanced Bone Healing in Critical-Sized Rabbit Femoral Defects: Impact of Helical and Alternate Scaffold Architectures
29/04/2024 - This study investigates the effect of scaffold architecture on bone regeneration, focusing on 3D-printed polylactic acid–bioceramic calcium phosphate (PLA-bioCaP) composite scaffolds in...
The effect of filler loading, biological treatment, and bioplastic blend ratio on flexural and impact properties of blended bioplastic reinforced with spent coffee ground
27/04/2024 - Biological treatment of spent coffee grounds using P. Chrysosporium and A. Niger.In this study, the mechanical and morphological characteristics of poly(hydroxyalkanoate) (PHA)/poly(lactic acid)...
Preparation, structure, and properties of biodegradable core?sheath composite fibers derived from poly (butylene adipate?co?terephthalate) and polylactic acid
23/04/2024 - Fluorescence of EBS?g?MA/CDs NanocompositesAbstractCarbon dots (CDs) are an interesting nanomaterial due to their tunable photoluminescence and other functional properties. Herein, by introducing...
Characterization of Biodegradable Polymers for Porous Structure: Further Steps toward Sustainable Plastics
19/04/2024 - Plastic pollution poses a significant environmental challenge, necessitating the investigation of bioplastics with reduced end-of-life impact. This study systematically characterizes four promising...
Optimization of Environment-Friendly and Sustainable Polylactic Acid (PLA)-Constructed Triply Periodic Minimal Surface (TPMS)-Based Gyroid Structures
22/04/2024 - The demand for robust yet lightweight materials has exponentially increased in several engineering applications. Additive manufacturing and 3D printing technology have the ability to meet this demand...
Effect of Nano Spinel Ferrites Co0.9Cu0.1Fe2O4 on Non-Isothermal Cold Crystallization Behaviours and Kinetics of Its Composites with Polylactic Acid
24/04/2024 - Nanoparticles of spinel ferrites with a composition of Co0.9Cu0.1Fe2O4 (AM NPs) were effectively synthesized via a hydrothermal route. The structure of ferrite nanoparticles was characterized with...
Effect of varying core density and material on the quasi?static behaviors of sandwich structure with 3D?printed hexagonal honeycomb core
22/04/2024 - The quasi?static behaviors on sandwich composite of 3D?printed hexagonal honeycomb core structure.Additive manufacturing (AM) involves the development of complex, lightweight sandwich structures for...
Preparation and characterization of hybrid PLA biocomposites reinforced by wood and silane treated basalt fibers or compatibilized by maleic anhydride?grafted polypropylene (MAPP)
22/04/2024 - Silane and maleic anhydride compatibilization improves physical and mechanical properties of wood/basalt fibres hybrid polylactic acid biocomposites.In this study, basalt and/or beech wood fibers...
Reversible polymer networks based on polylactide with tetraphenylethane thermally dissociating groups in crosslinks
21/04/2024 - Polylactide (PLA)?based reversible/dynamic polymer networks were synthesized by coupling 4?arm PLA stars containing reversible tetraphenylethane (TPE) groups in the core using diisocyanate....
Innovative Materials Based on Epoxy Resin for Use as Seat Elements in Bulk Transport
16/04/2024 - The subject of this research is the development of epoxy composites with a defined service life for the purpose of seat elements in rail vehicles, which will be more environmentally friendly. The...
Evaluation of the Viability of 3D Printing in Recycling Polymers
16/04/2024 - The increased use of plastics in industrial and agricultural applications has led to high levels of pollution worldwide and is a significant challenge. To address this plastic pollution, conventional...
Thermally-Activated Shape Memory Behavior of Biodegradable Blends Based on Plasticized PLA and Thermoplastic Starch
16/04/2024 - Biodegradable blends based on plasticized poly(lactic acid) PLA and thermoplastic starch (TPS) have been obtained. The influence of the PLA plasticizer as a compatibility agent has been studied by...
Tailoring the Mass Density of 3D Printing Materials for Accurate X-ray Imaging Simulation by Controlled Underfilling for Radiographic Phantoms
16/04/2024 - Additive manufacturing and 3D printing allow for the design and rapid production of radiographic phantoms for X-ray imaging, including CT. These are used for numerous purposes, such as patient...