Showing papers in "Materials Chemistry and Physics in 2017"

TL;DR: In this paper, an organobentonite was synthesized by replacing exchangeable Na+ ions in Na-bentonite with cetyl trimethylammonium bromide (CTAB) and systematically explored for its adsorption behavior as an efficient adsorbent for the removal of dyes.

TL;DR: In this paper, the progress made in the last few decades on hydrogen storage alloys, such as AB 5 -type, AB 2 -type alloys and Mg-based alloys for nickel-metal hydride (Ni-MH) rechargeable batteries is discussed.

TL;DR: In this article, the adsorption properties of reduced graphene oxide (rGO) with dyes were analyzed by density functional theory (DFT), and the results could be useful for the designing and understanding of adsorbents capable of removing cationic and anionic dyes (mixed dye) from waste water.

TL;DR: In this paper, the microstructure and tribological properties of the nitrided layer and as-cast high-entropy alloy were studied at dry sliding condition, deionized water and acid rain, respectively.

TL;DR: In this article, the authors highlight recent advances in the design of computation-aided HEAs being alloyed with Al, Al/Ti, Nb and Mo additions on the precipitation hardening behavior of this fcc-type CoCrFeNi alloy, and summarize the corresponding mechanical properties of the newly developed precipitation-strengthened HEAs under different thermomechanical processing.

TL;DR: In this paper, the authors investigated the alloying effects of Ta on microstructures and mechanical properties of CoCrFeNiTax high entropy alloys and showed that the effect of Ta element on microstructure changes from an initial single FCC solid solution (x = 0) to a hypoeutectic micro-structure (x= 1) and then to a fully eutective micro-structured (x ≥ 0) with a mixture of FCC and Co2Ta-type Laves phases.

TL;DR: In this paper, the microstructure and phase constituents were characterized by scanning electron microscopy, X-ray diffraction and transmission electron microscope, and the tensile properties were tested as well.

TL;DR: The TCHEA1 database as mentioned in this paper is a multicomponent thermodynamic database for high entropy alloys (HEAs) with a 15-element framework and includes 105 binaries and 200 ternaries.

TL;DR: In this paper, the authors prepared magnetic graphene oxide sponge (MGOS) by lyophilizing the dispersion of Fe 3 O 4 nanoparticles and graphene oxide (GO) for tetracycline adsorption.

TL;DR: In this paper, Aminoazobenzene functionalized graphene oxide (AAB-GO) and DAB-GO composites have been synthesized and characterized by their FT-IR, XRD, TEM, Raman and XPS spectra.

TL;DR: In this paper, two biodegradable, non toxic cationic gemini surfactants having ester linkage in the spacer were synthesized and characterized using elemental analysis, FT-IR and 1H-NMR.

TL;DR: In this paper, a constitutive equation was formulated for describing interdependency between deformation temperature, strain rate, flow stress and strain, and the estimated apparent activation energy (Q) ∼350 kJmol-1 for the hot deformation was approximately similar to the activation energy for diffusion of the slowest diffusing element Ni in this alloy.

TL;DR: In this paper, a graphitic carbon nitride (g-C3N4) was synthetized by condensation of melamine at the temperatures of 400-700°C in air for 2 hours and resulting products were characterized and finally tested for the photocatalytic decomposition of nitrous oxide.

TL;DR: In this paper, a layered PVB/Co 2 Z/Ti 3 C 2 Mxene composite was fabricated via a simple tape casting process, for the sake of an improved impedance match.

TL;DR: In this article, cobalt and lithium from the cathodes of spent lithium-ion batteries were recycled to synthesize a mixture of Co 3 O 4 and LiCoO 2.

TL;DR: In this paper, the thermoelectric properties of new Zr2NiZ (Z = Al, Ga) Heusler alloys are determined using density functional theory calculations.

TL;DR: In this article, Graphene Oxide (GO) reinforced novel polymer composites comprising of poly (4-styrenesulfonic acid) (PSSA) and polyvinyl alcohol (PVA) blend matrix have been developed using colloidal processing technique.

TL;DR: In this article, the effect of milling times on the formation of Nanocrystalline B-type carbonate substituted hydroxyapatite (B-CHA) powder has been investigated by Fourier transform infrared spectroscopy, X-ray diffraction technique and scanning electron microscopy.

TL;DR: In this article, the effect of low temperature on tensile properties of a AlCoCrFeNi2.1 eutectic high entropy alloy (EHEA) was investigated.

TL;DR: In this article, a comparative study on X-band (8.4-12 GHz) electromagnetic interference shielding properties of current bulk and nanomaterials was elucidated, and the results showed that the bulk Ni 0.6 Mg 0.4 and nano Ni 1-x Mg x Fe 2 O 4 composition revealed the highest total shielding efficiency (SE T ) of ∼17dB.

TL;DR: In this article, the authors evaluated the potential of nano-clays as active and intelligent (A&I) food nanopackaging materials and found that the addition of blueberry extract imparted intelligent properties to the nano clays as regards their responses to changes in pH.

TL;DR: SDS-FeSP nanocomposite has been fabricated by using co-precipitation method as discussed by the authors, which showed excellent ion exchange capacity, high stability and selectivity towards specific metal ions.

TL;DR: The reciprocating sliding wear behavior of two high entropy alloys, CoCrFeMnNi and Al0.1CoCrFeNi, was evaluated in dry and marine environments.

TL;DR: In this paper, the solution casting technique was used to prepared polyethylene oxide (PEO)/polyvinyl pyrrolidone (PVP) polymer blend/0.72 (wt. %) gold nanoparticles (Au NPs).

TL;DR: In this paper, the thermal insulation property of composite aerogels was improved in contrast with that of pure aerogel by adding the graphene oxide (GO) as a nanofillers into the SiO2 matrix.

TL;DR: In this paper, the synthesis and characterization of high-entropy alloys for high-temperature and fusion plasma-facing applications are presented, which are obtained via spark plasma sintering of an elemental powder mixture at 1500°C.

TL;DR: In this article, a bio-based triethyl citrate plasticizer was synthesized to obtain higher thermal stability and lower glass-transition temperature compared to plasticized PVC with dioctyl phthalate.

TL;DR: In this article, a conducting nanofibers comprised of polyvinyl alcohol (PVA)-graphene oxide (GO) nanofiber coated with poly(3,4-ethylenedioxythiophene) (PEDOT) for supercapacitor application was prepared through integrated techniques i.e. electrospinning and electrodeposition.

TL;DR: In this paper, a calculation of shielding properties in a (100-x) TeO 2 -MoO 3 glasses where x = 20, 30, 45 and 50mol % is presented.

TL;DR: In this article, a thermal shock optimization of ZrB2-SiC-based composites is the main goal of this research, and Taguchi design is applied to determine the effect of each factor and their optimum level on thermal shock resistance.