Otros

Otros

Modelling of Web-Crippling Behavior of Pultruded GFRP I Sections at Elevated Temperatures
05/12/2022 - The concentrated transverse load may lead to the web crippling of pultruded GFRP sections due to the lower transverse mechanical properties. Several investigations have been conducted on the...
Turbulent CFD Simulation of Two Rotor-Stator Agitators for High Homogeneity and Liquid Level Stability in Stirred Tank
01/12/2022 - Good solid-liquid mixing homogeneity and liquid level stability are necessary conditions for the preparation of high-quality composite materials. In this study, two rotor-stator agitators were...
Effect of blend ratio on thermal, mechanical, and shape memory properties of poly (lactic acid)/thermoplastic polyurethane bio-blends
30/11/2022 - Abstract The increase in surgical interventions and the need for rapid patient recovery have sped up biomaterials research. Materials for sutures that feature shape memory...
Pullwinding technique for realizing hybrid roving architecture in pultruded GFRP composites
01/02/2023 - In this work, pullwinding technique is adopted to realize the hybrid roving architecture in pultruded GFRP composites so as to improve their transverse properties as well as the flexural...
Exploring the potential of FSW-ed Al–Zn–Mg–Cu-based composite reinforced by trace in-situ nanoparticles in manufacturing workpiece with customizable size and high mechanical performances
01/02/2023 - Al–Zn–Mg–Cu alloys that are prone to segregation and hot cracks always encounter difficulty in manufacturing large-size workpiece with desirable strength-plasticity synergy, especially when...
Physical, mechanical and abrasive wear behavior of attapulgite reinforced walnut shell/PVC composites
24/11/2022 - Abstract The effects of attapulgite (ATP) addition (0, 1, 3, 5 and 7 wt %) on the microstructure, chemical composition, thermal stability, physical properties, mechanical...
Rheological Characterization and Printability of Polylactide (PLA)-Alumina (Al2O3) Filaments for Fused Deposition Modeling (FDM)
25/11/2022 - This article presents the study of the rheological properties and the printability of produced ceramic-polymer filaments using fused deposition method (FDM) 3D printing technology. Powder mixtures...
Mechanical Characterisation of GFRP Frame and Beam-to-Column Joints including Steel Plate Fastened Connections
22/11/2022 - The study is part of the MOOVABAT project aiming at defining innovative technological buildings with low environmental impact and characterised by the capacity to constantly adapt to the changing of...
Antibacterial poly(vinylidene fluoride)-based melt-blends
01/01/2023 - Although poly(vinylidene fluoride) (PVDF) is widely used in the preparation of biomedical devices, bacterial growth on the polymer surfaces reduces the functionality and lifetime of these devices....
Numerical Modelling of Timber Beams with GFRP Pultruded Reinforcement
16/11/2022 - Timber structural members have been widely adopted and used in construction due to their inherent characteristics. The main objective of this work is to assess the performance of timber beams with...
Electromagnetic-Wave Absorption Properties of 3D-Printed Thermoplastic Polyurethane/Carbonyl Iron Powder Composites
16/11/2022 - To develop a composite filament with an electromagnetic-wave-absorbing function suitable for 3D printing, we combined thermoplastic polyurethane (TPU) as the matrix material and carbonyl iron powder...
Improvement in Injection Molding Quality Performance with Innovative Cyclone Mixers Used in Polypropylene with Spherical Silicon Dioxide Composites
15/11/2022 - This research proposes an innovative design of a new cyclone mixer for the quality of polymer materials, and it presents a systematic optimization model of process parameters for plastic injection...
Twin-Screw Extrusion as Hydrothermal Technology for the Development of Gluten-Free Teff Flours: Effect on Antioxidant, Glycaemic Index and Techno-Functional Properties
12/11/2022 - Gluten-free products (GFP) currently are the fastest-growing category of baked goods probably due to the high worldwide incidence of celiac disease (CD). Refined rice is one of the most used cereal...
Recycling of EPDM via Continuous Thermo-Mechanical Devulcanization with Co-Rotating Twin-Screw Extruder
11/11/2022 - Devulcanization represents the recycling of choice for a homogenous rubber waste stream because it allows revulcanization of samples previously devulcanized, making the life of the rubber virtually...
Preparation and optical properties of AgNWs/WO3:Eu3+ composite film
09/11/2022 - Abstract Nano-WO3:EU3+ powder was prepared by Pechini method under acidic and alkaline condition, and the prepared acidic nano-WO3:Eu3+ mixed with the silver nanowires (AgNWs) in...
Effect of different starch contents on physical, morphological, mechanical, barrier, and biodegradation properties of tapioca starch and poly(butylene adipate?co?terephthalate) blend film
09/11/2022 - Study on degradation behaviors of biodegradable poly(butylene adipate?co?terephthalate) (PBAT) blended with different compositions of thermoplastic starch (TPS) under soil burial and natural...
Continuous film casting of polycarbonate/single?walled carbon nanotubes composites with ultrasound?assisted twin?screw extruder: Effect of screw configuration
08/11/2022 - The cover image, designed by Dr. Chun?Yen Liu, is a schematic of polymer beads dispersing cholesteric liquid crystals. In this manuscript, the authors demonstrate a novel design of liquid crystal...
Preparation of Side-By-Side Bicomponent Fibers Using Bio Polyol Based Thermoplastic Polyurethane (TPU) and TPU/Polylactic Acid Blends
09/11/2022 - In this study, side-by-side bicomponent fibers were prepared by melt spinning using bio-based thermoplastic polyurethane (TPU) and TPU/polylactic acid (PLA) blends. The morphology, thermal and...
Experimental and Numerical Investigation of Joints for a Pultruded Fiber-Reinforced Polymer Truss
09/11/2022 - Bolted connections usually govern the structural rigidity and load-carrying capacity of pultruded glass fiber-reinforced polymer (GFRP) truss structures. In this study, a novel bolted integrated...
Novel In Situ Modification for Thermoplastic Starch Preparation based on Arenga pinnata Palm Starch
09/11/2022 - Thermoplastic starch (TPS) has three main disadvantages, i.e., poor mechanical properties, low thermal stability and water sensibility. To overcome these disadvantages, TPS properties can be improved...
Impact of Micro Silica Filler Particle Size on Mechanical Properties of Polymeric Based Composite Material
09/11/2022 - In this study, silica in the form of raw local natural sand was added to high-density-polyethylene (HDPE) in order to develop a composite material in the form of sheets that could have potential...