Showing papers in "Composites Science and Technology in 2020"

TL;DR: In this article, a review of thermal conduction mechanisms in polymers and polymer composites is presented, where the effects of different components of polymers on heat transfer are analyzed.

TL;DR: In this article, a novel hetero-structured silicon carbide-boron nitride nanosheets (SiC-BNNS) by sol-gel and in-situ growth method were performed as thermally conductive & insulating fillers, and the SiC-bNNS/epoxy thermallyconductive nanocomposites were then prepared by blending-casting approach.

TL;DR: In this article, a superhydrophobic/electrothermal synergistically anti-icing strategy based on graphene composite was introduced, which could solve the re-freeze problem as the melted ice tend to stay on the surface is still a challenge.

TL;DR: In this article, a stretchable and transparent strain sensor based on conductive polymer composites (CPCs) is presented, which can detect both the subtle and large strains with outstanding stability and repeatability.

TL;DR: In this article, optical microscopy and micro-CT are used to quantify the void content in continuous carbon fiber composites fabricated on a 3D printing platform and further processed by compression molding (CM) with thickness controlled to achieve the minimum void content.

TL;DR: In this paper, a highly electrically/thermally conductive MXene/cellulose nanocomposite paper was fabricated via a simple dip-coating method, and the resulting paper exhibits a marvelous electrical conductivity of 2756 S/m at a nanosheet loading of 1.89 V/m.

TL;DR: In this article, the authors optimized the curved fiber trajectories to realize variable fiber volume fraction and stiffness composites (VVfSC) using a continuous fiber composite 3D printer.

TL;DR: In this paper, the effects of additive amounts of graphene oxide and filler loadings on the electromagnetic parameters and microwave absorption properties of as-synthesized nanocomposites were investigated.

TL;DR: In this paper, a pyrene-functionalized tetraphenylethylene benzoxazine monomer (TPEP-BZ) was synthesized through 1,1,2,2-tetra(3-formyl-4-hydroxyphenyl)ethylene with 1-aminopyrene through Schiff base reaction, reduction with NaBH4 and then ring closing with paraformaldehyde in a mixture of 1,4-dioxane and absolute EtOH.

TL;DR: In this paper, a lightweight polypropylene (PP)/carbon nanotubes (CNTs)/carbon black (CB) nanocomposite foams were fabricated by combining high-speed mechanical mixing, structural manipulation and solid-state supercritical carbon dioxide (ScCO2) foaming.

TL;DR: In this paper, a double "rigid-flexible" structure using CNTs and polyamide (PA) on the CF surface was firstly established, and the effects of modulus intermediate layer on interfacial and mechanical properties of CF composites were investigated.

TL;DR: In this paper, a shape-programming strategy was proposed to quickly design the desired magnetic moment and actuating magnetic fields for MASMs with fast, reversible, programmable, and stable shape transformation properties.

TL;DR: In this article, an imine-containing epoxy hardener (ICH) was synthesized by condensation of lignin-derived vanillin and methylcyclohexanediamine.

TL;DR: In this article, a review of recent advancements in the preparation of all-carbon multi-scale fibers and their use in carbon fiber (CF)-reinforced polymer composites is reviewed.

TL;DR: In this article, a lightweight, mechanically strong, high-quality graphene aerogel was successfully prepared and used to encapsulate polyethylene glycol (PEG), and a composite PCM was obtained.

TL;DR: In this article, a review of the recent development of the properties, manufacturing, and applications of PFRCs with the consideration of the hierarchical microstructure of plant fibers are extensively discussed.

TL;DR: In this article, reduced graphene oxide nanosheets decorated with CoO nanoparticles (rGO@Co) were used as support for polyethylene glycol (PEG) PCMs.

TL;DR: In this paper, a nanosized carbon black (CB) was functionalized by H2O2 hydroxylation and chemical grafting of phosphorous flame retardant, and the obtained nanofiller hybrids (CB-g-DOPO) presented a high grafting degree to 37.89% and remained large numbers of active hyroxyl groups (CH-OH), which could covalently react with adscititious compatibilizer to promote its dispersion and interaction with poly( l -lactide) (PLA) matrix.

TL;DR: In this paper, polypropylene (PP) with carbon nanotubes (CNTs) was used to prepare multifunctional foams by using batch foaming process with carbon dioxide.

TL;DR: In this article, a uniform zinc oxide and reduced graphene oxide (rGO) coated wearable cotton fabrics have been prepared for the application of EMI shielding effectiveness in X-band (8.2-12.4 GHz).

TL;DR: Wang et al. as mentioned in this paper presented an ultra-sensitive and durable strain sensor with sandwich structure, which is mainly composed of the composite of carbon black (CB)/aligned thermoplastic polyurethane fibrous mat and the Ecoflex.

TL;DR: In this paper, the role of composite materials for applications in flexible EES devices of wearable electronics is discussed, and a brief introduction of structural designs to achieve flexibility and stretchablity in device/system levels.

TL;DR: In this article, epoxy (EP)/aluminum nitride honeycomb (AlN-H) composites were fabricated through a two-step method including freeze-casting of the AlN−H reinforcements and EP infiltration, and the results showed that vertically aligned and interconnected thermal conductive networks contributed to the enhanced thermal conductivity and thermal stability of the composites with the increase in AlN loading.

TL;DR: In this article, the authors investigated the permittivity transition from positive to negative in acrylic polyurethane-aluminum (APu/Al) percolative composites at radio frequency.

TL;DR: In this article, a carbon black/polypropylene composite with various contents of carbon black (CB) was successfully prepared by fused deposition modeling, and the maximum reflection loss value reached −39.15 dB at 15.08 GHz and corresponding effective bandwidth was 5.63 GHz with a thickness of 2.1mm.

TL;DR: In this article, a fiber with porous and core-sheath structure was successfully prepared via an efficient coaxial wet-spun approach, and the fiber possesses a porous monolith structure owing to countercurrent diffusion of the solvent and coagulation.

TL;DR: In this article, a flexible and high-performance piezoresistive strain sensors were fabricated by simple layer-by-layer electrostatic self-assembly of carbon nanoparticles on commercial polyurethane (PU) sponges.

TL;DR: In this paper, multilayered polyether amine (PEA)/graphene oxide (GO) hybrid building blocks were incorporated onto the surface of carbon fiber via Layer-by-Layer assembly to strengthen and toughen the interphase of composites.

TL;DR: In this paper, a microwave absorber of MoS2-PANI with three-dimensional spherical structure was synthesized by one-step hydrothermal strategy of a two-dimensional nanoflower-like MoS 2 and in-situ oxidation polymerization reaction with an aniline monomer under ice bath conditions.

TL;DR: In this paper, a unique layered morphology of polypyrrole/poly(3,4-ethylenedioxythiophene):poly(styrene sulfonate)/single-walled carbon nanotube (PPy/PEDOT:PSS/SWCNT) ternary TE composites are designed using 1D nanostruture of PPy as template.