Showing papers in "Composites Science and Technology in 2010"

TL;DR: In this article, the role of microstructures on the fiber deformation behavior and present possible explanations for the enhanced properties of the nanofibers are discussed. But the authors focus on the techniques to obtain controlled structures and the mechanisms behind the size effect in electronspun fibers are given.

TL;DR: In this article, a cellulose nanofiber (CNF) reinforced polylactic acid (PLA) by twin screw extrusion was developed, which increased tensile modulus and strength from 2.9 GPa to 3.6 GPa.

TL;DR: In this paper, the authors examined the recent advancements in the science and technology of carbon nanotube (CNT)-based fibers and composites, and made an assessment according to the hierarchical structural levels of CNTs used in composites.

TL;DR: In this article, the effect of carbon nanotubes (CNT) content on the mechanical properties of the composites was investigated, where cold compaction and hot extrusion were used to consolidate the ball-milled Al-CNT mixtures.

TL;DR: In this paper, the effects of surface silylation of cellulose nanocrystals on morphology, non-isothermal and isothermal crystallization behavior, and mechanical properties of these truly nanostructured composites were investigated.

TL;DR: In this article, the morphology of the technical fibres of the Malvaceae family (Abelmoschus esculentus) was investigated through optical and electron microscopy and their thermal behaviour through thermogravimetric analysis.

TL;DR: A review of the state of the art of the preparation of nanoscale bioactive glasses and corresponding composites with biocompatible polymers is presented in this paper, covering sol-gel routes, microemulsion techniques, gas phase synthesis method (flame spray synthesis), laser spinning, and electro-spinning.

TL;DR: In this article, a microwave characterization of several carbon-based composite materials is presented for future aircraft/aerospace systems, which consist in epoxy resin reinforced with five different carbon species: micro-sized granular graphite, fullerenes, carbon nanofibers, single and multi-walled carbon nanotubes.

TL;DR: In this article, a three-dimensional reinforcement of woven advanced polymer-matrix composites using aligned carbon nanotubes (CNTs) is explored experimentally and theoretically.

TL;DR: In this article, the effects of reinforcing polylactid (PLA) and poly(3-hydroxybutyrate-co-3hydroxyvalerate) (PHBV) biopolymers on the mechanical performance were studied.

TL;DR: In this article, the authors explore an alternative approach to deliver CNTs to the fiber surface by dispersing carbon nanotubes in the fiber sizing formulation, which takes advantage of the developed techniques for CNT dispersion in resins and introduces no damage to the fibers.

TL;DR: In this paper, the effect of fiber, matrix and interface properties on the in-plane shear response of carbon-fiber reinforced epoxy laminates was studied by means of a combination of experiments and numerical simulations.

TL;DR: In this paper, the possibility of obtaining relatively high dielectric constant polymer-ceramic composite by incorporating the CaCu3Ti4O12 (CCTO) in a polyvinylidene fluoride (PVDF) polymer matrix by melt mixing and hot pressing process was demonstrated.

TL;DR: In this paper, the influence of multi-wall carbon nanotubes (MWCNTs) on the impact and after impact behavior of carbon fiber reinforced polymer (CFRP) laminates was investigated.

TL;DR: In this article, the potential of grain by-product such as barley husk, coconut shell as reinforcements for thermoplastic as an alternative or together with wood fibres was investigated, where the particle morphology and particle size was investigated by scanning electron microscopy.

TL;DR: In this article, the dry sliding wear behavior of Al matrix composites reinforced with Gr and SiC particulate up to 10%, to study the effect of % reinforcement, load, sliding speed and sliding distance on stir cast Al−SiC-Gr hybrid composites, Al-Gr and Al-SiC composites.

TL;DR: In this article, a particle-compositing method was used for the first time to disperse different contents of multi-walled carbon nanotubes (CNTs) in micron sized copper powders, which were subsequently consolidated into CNT/Cu composites by spark plasma sintering (SPS).

TL;DR: In this paper, the influence of screw configuration, rotation speed, and throughput on the resulting macroscopic CNT dispersion in polycaprolactone (PCL) based masterbatches containing 7.5% multi-walled carbon nanotubes (MWNT) using an intermeshing co-rotating twin-screw extruder Berstorff ZE25.

TL;DR: In this paper, a combination of spark plasma sintering followed by hot-extrusion processes was used to increase the tensile strength without compromising the elongation of aluminum-CNT composite.

TL;DR: In this article, the effect of shape and size of metal particles as well as selection of carbon nanotubes has significant influence on the mechanical and electrical properties of the composites.

TL;DR: In this article, carbon nanotube (CNT) fibers were embedded to glass fiber reinforced polymers (GFRP) for the structural health monitoring of the composite material.

TL;DR: In this article, a method to quickly produce macroscopic CNT composites with a high volume fraction of millimeter long, well aligned CNTs is presented. But the method is not suitable for high tensile strength and stiffness.

TL;DR: In this paper, the authors investigated void formation as a function of resin moisture content in composite parts made from prepreg and found that void fractions increased substantially with increasing moisture content of VBO processed laminates.

TL;DR: In this paper, the authors describe the out-of-plane linear elastic mechanical properties of trichiral, tetrachiral and hexachiral honeycomb configurations and develop analytical models to calculate the transverse Young's modulus and the Voigt and Reuss bounds for transverse shear stiffness.

TL;DR: In this paper, an anhydride-cured thermosetting epoxy polymer was modified by incorporating 10 wt.% of well-dispersed silica nanoparticles, which increased the fatigue life by about three to four times.

TL;DR: In this paper, the thermomechanical behavior of a shape memory polymer (SMP) based syntactic foam under 3D confinement was investigated through strain-controlled programming and fully confined shape recovery tests.

TL;DR: In this paper, a technique is presented where actual experimental distributions, measured from a high strength carbon fiber composite, are considered in the development of a novel method to generate statistically equivalent fibre distributions for high volume fraction composites.

TL;DR: In this article, the in-plane linear elastic constants and out-of-plane bending response of cylinder-ligament honeycombs are predicted using finite element (FE) modelling and comparison made with hexagonal and reentrant hexagonal honeycomb without cylinders.

TL;DR: In this paper, the main challenges and the potential with respect to material properties of carbon nanotubes and nanofibers are discussed, as well as the potential of carbon-based nanofillers in metallic matrix materials.