Pultrusion is a rapid and cost-effective manufacturing technology for continuous fibre reinforced thermoplastic composite profiles. As the cross-sections of pultruded profiles grow to meet increasing performance requirements, challenges concerning heat transfer are encountered. In this study, two-dimensional finite element model was used simulate fluid flow physics pultrusion process diameters ...

Pultruded products offer many excellent properties, particularly high strength, low weight and excellent corrosion resistance. However their acceptance into many critical applications has been adversely affected by the inability to guarantee ‘defect-free’ quality. Common problems such as voids and delaminations will greatly reduce the strength of the finished product, but until now there has be...

Ellen Lackey, “Combined Effects of Moisture, Temperature, and Load on Pultruded Composites,” Technical Papers B CFA Composites 2002, CDROM, 2002. (Selected as Best Pultrusion Paper and Co-winner for Best Overall Paper for Composites ‘02) Brief Abstract: The objective of this study was to thoroughly document the effects of heat, moisture, and loading conditions on the properties of a polyester p...

Composite materials, as the name indicates, are composed of different materials which yield superior performance as compared to individual components. Pultrusion is one of the most costeffective manufacturing techniques for producing fiber reinforced composites with constant cross sectional profiles. This obviously makes it more attractive for both researchers and practitioners to investigate t...

The vast majority of applications extrusion-based concrete additive manufacturing deal with unreinforced mortar. lack reinforcement is a serious limitation for the industrial development 3d printed concrete, because brittleness and tensile strength In this paper, new method inspired by pultruded composite manufacturing, called flow-based pultrusion (FBP), described used. principle that continuo...

Although there is no doubt that composite materials are the future of lightweight structures and components, most composites currently produced made from thermoset polymers, which not able to be recycled or reprocessed. In contrast, thermoplastic polymers offer possibility recycle reprocess when combined with a fibrous reinforcement, provide interesting mechanical properties. This work reviews ...

This paper concerns non-isothermal flow in a thermoset resin-injection pultrusion process. Supported by temperature measurements from an industrial line and material characterisation study (curing kinetics, chemorheology, permeability), the was analysed for manufacture of thick glass-fibre profile saturated with pultrusion-specific polyurethane resin. A central finding is that heating configura...

This study aimed to develop an extrusion and pultrusion system for producing carbon fiber-filled thermoplastic pellets. The extruder delivers a plastic melt impregnation die in sufficient volume is pulled out along with the fibers. fibers pass sideways stretched condition through spreader pins attached pool, which can then be wetted optimally. wetting effect was also improved by immersing fiber...