Extrusión

Extrusión

Effect of Elevated Temperature and Annealing Time on Mechanical Properties of Ti/Cu Bimetal
06/12/2022 - The paper presents the results of the elastoplastic properties of Ti/Cu bimetallic rods. They were obtained by extrusion and composed of a copper core with a covered titanium layer. Experiments were...
Microstructural and Mechanical Characterization of Newly Developed Zn-Mg-CaO Composite
06/12/2022 - In this study, the Zn-0.8Mg-0.28CaO wt.% composite was successfully prepared using different conditions of ball milling (rotations and time) followed by a direct extrusion process. These materials...
Material Extrusion of Helical Shape Memory Polymer Artificial Muscles for Human Space Exploration Apparatus
06/12/2022 - Astronauts suffer skeletal muscle atrophy in microgravity and/or zero-gravity environments. Artificial muscle-actuated exoskeletons can aid astronauts in physically strenuous situations to mitigate...
Toughening effect of thermoplastic polyurethane elastomer on the properties of fly ash?reinforced polypropylene?based composites
05/12/2022 - In general, particulate reinforcement is known to greatly enhance the polymer composite rigidity at the expense of its ductility. Therefore, careful addition of elastomers can restore the composites...
Melt electrowriting of liquid crystal elastomer scaffolds with programmed mechanical response
02/12/2022 - Recently, significant advances have been achieved to precisely program the response of liquid crystal elastomers (LCEs) through extrusion?based additive manufacturing techniques; however, important...
Effect of calcium stearate and a fluoroelastomer on the flowability of UHMWPE/HDPE composites and the underlying mechanism
02/12/2022 - Abstract The melt viscosity of ultra-high molecular weight polyethylene (UHMWPE) is extremely high, rendering its processing exteremely difficult; thus, flow modification is...
Development of Geopolymer-Based Materials with Ceramic Waste for Artistic and Restoration Applications
02/12/2022 - This contribution presents the preparation and characterization of new geopolymer-based mortars obtained from recycling waste deriving from the production process and the...
Microstructure and Mechanical Properties of EK30 Alloy Synergistically Reinforced by Ag Alloying and Hot Extrusion for Aerospace Applications
02/12/2022 - Enhancing the mechanical properties of magnesium alloys to meet the urgent need for their lightweight applications in the aerospace field has always been a great challenge. Herein, the effect of Ag...
Optimization of 3D Printing Technology for Fabrication of Dental Crown Prototype Using Plastic Powder and Zirconia Materials
02/12/2022 - This research was aimed at developing a dental prototype from 3D printing technology using a synthetic filament of polylactic acid (PLA) and zirconium dioxide (ZrO2) with glycerol and silane coupling...
Numerical and Experimental Studies on the Improvement of Gas Chamber Structure during Gas-Assisted Extrusion
02/12/2022 - In the gas-assisted extrusion process, the melt inside the die is in a low-viscosity molten state, so the flow field of the gas cushion layer has a great effect on the cross-sectional shape of the...
Microstructure and Mechanical Properties of Severely Deformed Polypropylene in ECAE (Equal Channel Angular Extrusion) via Routes A and C
03/12/2022 - Equal channel angular extrusion (ECAE) is a solid-state extrusion process for modifying microstructures via severe plastic deformation without modifying the specimen cross section. In this study,...
Polyesters Incorporating Gallic Acid as Oxygen Scavenger in Biodegradable Packaging
04/12/2022 - Biodegradable polyesters polybutylene succinate (PBS) and polybutylene adipate-co-terephthalate (PBAT) were blended with gallic acid (GA) via cast extrusion to produce oxygen scavenging polymers. The...
A Method to Study the Influence of the Pesticide Load on the Detailed Distribution Law of Downwash for Multi-Rotor UAV
01/12/2022 - Multi-rotor plant protection Unmanned Aerial Vehicles (UAVs) have suitable terrain adaptability and efficient ultra-low altitude spraying capacity, which is a significant development direction in...
Dry Wear Behaviour of the New ZK60/AlN/SiC Particle Reinforced Composites
01/12/2022 - This study deals with the microstructure, mechanical, and wear properties of the extruded ZK60 matrix composites strengthened with 45 µm, 15% silicon carbide particle (SiC) and 760 nm,...
Rock Reinforcement by Stepwise Injection of Two-Component Silicate Resin
01/12/2022 - Our research aims to improve the efficiency of the reinforcement of loose rocks with two-component polymer resins. The standard approach consists of the injection of two pre-mixed components into a...
Effect of Recycling on the Mechanical, Thermal and Rheological Properties of Polypropylene/Carbon Nanotube Composites
01/12/2022 - In this research the effect of physical recycling on the mechanical, thermal, and rheological properties of polypropylene (PP)/multiwalled carbon nanotube (MWCNT) was investigated. After melt...
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...
Retrofit of Building Façade Using Precast Sandwich Panel: An Integrated Thermal and Environmental Assessment on BIM-Based LCA
30/11/2022 - The study conducts a comprehensive life cycle assessment (LCA) of precast sandwich panels by integrating operational and embodied phases detailing thermal efficiency and environmental impacts. The...
Simulation of Continuous Dynamic Recrystallization Using a Level-Set Method
30/11/2022 - Dynamic recrystallization is one of the main phenomena responsible for microstructure evolution during hot forming. Consequently, obtaining a better understanding of dynamic recrystallization...
The Effect of the Addition of Copper Particles in High-Density Recycled Polyethylene Matrices by Extrusion
30/11/2022 - In this study, the effect of the recycling process and copper particle incorporation on virgin and recycled pellet HDPE were investigated by thermo-chemical analysis, mechanical characterization, and...
Influence of Warm Isostatic Press Process on Mechanical Properties of a Part Fabricated by Metal Material Extrusion Process
29/11/2022 - Material extrusion (ME) using a filament including metal powders has recently attracted considerable attention because it allows the production of metal parts at low cost. However, like other...