Extrusion
Extrusion
Effect of nozzle diameter and raster orientation on tensile and fracture behavior of FDM?PLA specimens under mixed?mode I/II loading
13/05/2024 -
Fused deposition modeling (FDM) is a material extrusion technique that works by extruding molten filament on a heated platform. In this method, several manufacturing parameters are engaged which...
Effect of heat treatment on the radial structure of coaxial polyacrylonitrile/mesophase pitch composite fiber
15/05/2024 -
AbstractBasalt fiber reinforced polypropylene composites with two initial fiber lengths (3.2 and 6.4?mm) were fabricated using twin?screw extrusion compounding. In the case of composites with smaller...
Thermoplastic polyimide with low dielectric properties enabled by the 2,2??spirobifluorene group
15/05/2024 -
This work investigates the feasibility of producing low melt flow rate recycled polypropylene (PP). For this purpose, recyclates are produced from extrusion blow molded PP packaging waste and...
Continuous Carbon Fiber Reinforced SiC Ceramic Matrix Composites by Vertical Fiber Laying Combined with Material Extrusion 3D Printing
09/05/2024 -
This research proposes an innovative vertical fiber laying method, combined with material extrusion (ME) 3D printing technology and precursor infiltration and pyrolysis (PIP) to densification,...
Halloysite nanotubes immobilized by copper itaconic acid complexes as smoke suppressant for soft polyvinyl chloride
09/05/2024 -
A solvent?free and continuous approach was used to produce high?density polyethylene (HDPE)?based vitrimers where maleic anhydride (MA) acted as a reactive grafting agent while DM helped to lower the...
Approaching 1 GPa ultra?high tensile strength in a nanostructured Al?Zn?Mg?Cu?Zr?Sc alloy prepared by severe plastic deformation
05/05/2024 -
Alloy composition and heat treatment process have limited possibility to enhance ultra?high strength aluminum alloys, which restricted their widespread application in lightweight equipment....
Effect of screw speed in compounding of poly(butylene adipate?co?terephthalate)/thermoplastic starch blends and their processability by cast extrusion
25/04/2024 -
Blends of bio?polyesters cover a wide percentage of the market share and possess properties comparable to the ones of conventional polymers. Poly(butylene adipate?co?terephthalate) (PBAT) is a...
Ground Deformation of Shield Tunneling through Composite Strata in Coastal Areas
26/04/2024 -
In order to mitigate ground deformation during shield construction in both upper soft and lower hard strata of coastal areas, a numerical simulation was executed. This simulation assessed surface...
Mechanical and Electrical Properties of Polyethylene Terephthalate Glycol/Antimony Tin Oxide Nanocomposites in Material Extrusion 3D Printing
26/04/2024 -
In this study, poly (ethylene terephthalate) (PETG) was combined with Antimony-doped Tin Oxide (ATO) to create five different composites (2.0–10.0 wt.% ATO). The PETG/ATO filaments were...
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...
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...
Evaluation of Thermoplastic Starch Contamination in the Mechanical Recycling of High-Density Polyethylene
26/04/2024 -
This research highlights the importance of addressing bioplastic contamination in recycling processes to ensure the quality of recycled material and move towards a more sustainable circular economy....
Investigation of physical, thermal, mechanical and gas permeability properties of low?density polyethylene/ poly(4?methyl?1?pentene) blend films and their utilization for fresh?cut fruit and vegetable packaging applications
25/04/2024 -
Relationship between packaging gas permeability and shelf life of fruish fruit and vegetables.In this study, low density polyethylene/poly(4?methyl?1?pentene) (LDPE/PMP) blend films were prepared by...
Evaluation of the Effectiveness of Geogrids Manufactured from Recycled Plastics for Slope Stabilization—A Case Study
19/04/2024 -
This study aimed to investigate the sustainable use of recycled plastics, specifically polypropylene (PP) and high-density polyethylene (HDPE), in the manufacture of geogrids for geotechnical and...
High Consistency Silicone Rubber Foams
23/04/2024 -
Silicone elastomers are high-performance plastics. In the extrusion process, only high-consistency silicone rubbers were used. In order to reduce the cost and weight, silicone rubbers can be foamed...
Method Development for the Prediction of Melt Quality in the Extrusion Process
25/04/2024 -
Simulation models are used to design extruders in the polymer processing industry. This eliminates the need for prototypes and reduces development time for extruders and, in particular, extrusion...
Inspection of microwave self?healing efficiency in carbon nanotube reinforced polymer composites for aerospace applications
22/04/2024 -
Composite manufacturing steps and self healing phenomenon.The aerospace industry is evolving very rapidly every day, and due to the low operational and maintenance costs, unmanned aerial vehicles...
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...
Improved processability for ultra?high molecular weight polyethylene/polyolefin elastomer composites: Effect of ethylenevinyl acetate copolymer
20/04/2024 -
Preparation of (A) Polyolefin elastomer/ethylene vinyl acetate (POE/EVA) films and (B) POE/EVA/ultra?high molecular weight polyethylene (UHMWPE) composites with twin screw extrusion and hot?press...
Evaluation of Aggregate Distribution Heterogeneity in 3D Printed Concrete by Means of X-ray CT
17/04/2024 -
The mechanical performance of a printed object in 3D concrete printing is influenced by the interfacial bonding strength between the deposited filaments. Hence, the physical properties of the layer...
Extrinsic-Riveting Friction Stir Lap Welding of Al/Steel Dissimilar Materials
16/04/2024 -
To obtain high-quality joints of Al/steel dissimilar materials, a new extrinsic-riveting friction stir lap welding (ERFSLW) method was proposed combining the synthesis advantages of mechanical...
