Materials Literature
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This work focuses on the effect of electron beam irradiation on the physico‐mechanical, dynamic mechanical and dielectric properties of blends based on ethylene octene copolymer (EOC) and poly dimethyl siloxane (PDMS) rubber. It is found that electron beam irradiation caused considerable improvement in the physico‐mec…
FeOOH(H), FeOOH(P) and FeOOH(O) prepared by hydrothermal, precipitant-hydrolysis and oxidation-hydrolysis methods were tested as ozonation catalysts for the low-temperature NOX (x = 1, 2) removal. FeOOH(H) exhibits higher catalytic activities than FeOOH(P) and FeOOH(O), achieving 85.6% of NOX removal efficiency with a…
X-ray powder diffraction data for 5,6-dihydro-3-(4-morpholinyl)-1-[4-(2-oxo-1-piperidinyl)phenyl]-2(1H)-pyridinone, C 20 H 25 N 3 O 3 , are reported [ a = 5.989(2), b = 6.669(3), c = 24.605(5)Å, α = 84.466(7)°, β = 89.859(6)°, γ = 69.074(4)°, unit-cell volume V = 913.11 Å 3 , Z = 2, and space group P −1]. No detectabl…
BACKGROUND: Some bovine hides produce poor quality leather, termed loose leather. The structural characteristics of hides and the intermediate processed stages that lead to loose leather are not well understood. In the present study, synchrotron-based small angle X-ray scattering (SAXS) is used to investigate collagen…
ABSTRACT Polypropylene (PP)/octadecane (OD) composite films were prepared via twin‐screw extrusion, and their chemical, morphological, thermal, and surface properties and oxygen and water vapor permeabilities were analyzed as functions of the OD content and temperature. OD was dispersed well in the PP matrix, and two…
The static and dynamic properties of water in small silicon-carbide and carbon nanotubes have been studied over the temperature range 100 K-298 K, using extensive molecular dynamics simulations. The computed properties include the radial distribution function, the cage correlation function, the space-time autocorrelat…
Electrochemical reactivity and ionic transport at the nanoscale are essential in many energy applications. In this study, time-resolved Kelvin probe force microscopy (tr-KPFM) is utilized for surface potential mapping of nanostructured ceria, in both space and time domains. The fundamental mechanisms of proton injecti…
This paper presents a laboratory test procedure to determine the parameters of the inverse hysteresis model (IHM) applicable to single-phase toroidal transformer low-frequency modeling. The model parameters are obtained through a fitting procedure of the history-independent IHM of a series of open-circuit experiments…
ABSTRACT Grafting of maleic anhydride onto polypropylene was performed in a Haake torque rheometer, in the presence of organically modified montmorillonite, MMT (used as support for the peroxide), according to a 2 3 factorial design, where the maleic anhydride concentration ( C MA ), peroxide concentration ( C per ) a…
We use transport and neutron diffraction to study the electronic phase diagram of ${\mathrm{NaFe}}_{1\ensuremath{-}x}{\mathrm{Co}}_{x}\mathrm{As}$. In the undoped state, NaFeAs exhibits a tetragonal-to-orthorhombic structural transition below ${T}_{s}$ followed by a collinear antiferromagnetic (AF) order below ${T}_{N…
In this work, electron induced modifications on the bulk etch rate, structural and optical parameters of CR-39 polymer were studied using gravimetric, FTIR (Fourier Transform Infrared) and UV–vis (Ultraviolet–Visible) techniques, respectively. CR-39 samples were irradiated with 10 MeV electron beam for different durat…
The formation of nonluminescent aggregates of aluminium sulfonated phthalocyanine in complexes with CdSe/ZnS quantum dots causes a decrease of the intracomplex energy transfer efficiency with increasing phthalocyanine concentration. This was confirmed by steady-state absorption and photoluminescent spectroscopy. A cor…
In the heavily hole-doped iron-based superconductors $A{\mathrm{Fe}}_{2}{\mathrm{As}}_{2}$ ($A=\text{K}$, Rb, and Cs), the electron effective mass increases rapidly with alkali-ion radius. To study the superconducting gap structure in this series, we measure the in-plane London penetration depth ${\ensuremath{\lambda}…
Cobalt ferrite magnetic nanoparticles (CFO) and CoFe2O4:BaTiO3 (CFO:BTO) nanocomposites were synthesized successfully by a polymeric method and by a combination of polymeric and citrate-gel methods, respectively. Nanoparticles with a uniform shape, good size distribution and a core-shell microstructure were observed b…
ABSTRACT The purpose of the present work was to develop a fragrance encapsulation system using polyacrylate/paraffin microcapsules. The Polyacrylate/paraffin microcapsules were fabricated by the method of suspension polymerization in Pickering emulsion. Morphology, size distribution, and thermal resistance of polyacry…
The kinetic/thermodynamic origin of preferential enrichment (PE), which is a spontaneous enantiomeric resolution phenomenon applicable to racemic crystals, is described. The mechanism of PE, which was unveiled with respect to the first-generation of chiral organic compounds showing PE, has been interpreted in terms of…
ABSTRACT With maleic anhydride grafted polypropylene (PP‐ g ‐MAH) as a compatibilizer, composites of block‐copolymerized polypropylene (B‐PP)/nanoclay were prepared. The effects of the PP‐ g ‐MAH and nanoclay content on the crystallization and rheological properties of B‐PP were investigated. The microcellular foaming…
In the present investigation, the indentation study on the high-energy ball-milled nanocrystalline Al5Fe2 intermetallic compound has established the inverse Hall–Petch (IHP) behaviour. The structural characterisation of the milled powder particles by X-ray diffraction (XRD) and transmission electron microscopy has sho…
This paper addresses the void fraction of polydisperse particles with a Weibull (or Rosin-Rammler) size distribution. It is demonstrated that the governing parameters of this distribution can be uniquely related to those of the lognormal distribution. Hence, an existing closed-form expression that predicts the void fr…
Lignocellulosic materials in the form of miscanthus stem fragments were treated in order to limit their drawbacks (hydrophilicity, degradability, compatibility) when willing to use them as fillers for new bio-based concrete composites. This included a pre-alkaline soaking of the stem fragments followed by sol-gel tetr…