Materials Literature
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Natural fibres are used as an alternative to man-made fibres in fibre reinforced composite materials in a variety of applications due to their good specific strength and stiffness properties and limited environmental impact. However, contrary to man-made fibres, used in the form of continuous filaments, natural fibres…
Abstract Polyphenols are a group of chemical compounds that have very good anti‐aging properties. Natural plant substances may be an excellent source of polyphenols. The paper presents study on polycaprolactone containing from 0.5 to 10 wt% extracts of coffee, cocoa, or cinnamon. Preliminary investigations of anti‐agi…
The first example of mono‐platinum(II) complex composed of mono‐lacunary α‐Keggin‐type polyoxotungstate is described. The mono‐platinum(II)‐containing polyoxotungstate [(CH 3 ) 4 N] 4 H[α‐PW 11 O 39 { cis ‐Pt II (Me 2 ppz)}] · 5H 2 O (Me 2 ppz = N , N′ ‐dimethylpiperazine) ( TMA‐1 ) was synthesized by a 1:1 stoichiome…
Abstract We have performed the density functional theory calculations on heterostructure (HS) of MoS 2 and MoB 2 monolayers. The aim of this study is to assess the influence of MoB 2 on electron transport of adjacent MoS 2 layer. In present investigation we predict that the electronic properties of MoS 2 monolayer is…
Abstract In this article, a novel design of a dielectric vein type zero-index metamaterial (ZIM) has been proposed, which can be made to operate for any of the two polarisations (transverse electric (TE) or transverse magnetic (TM)) by specifically choosing the geometrical parameters. The zero-index behaviour of the m…
Cerromojonite, ideally CuPbBiSe3, represents a new selenide from the El Dragόn mine, Department of Potosí, Bolivia. It either occurs as minute grains (up to 30 µm in size) in interstices of hansblockite/quijarroite intergrowths, forming an angular network-like intersertal texture, or as elongated, thin-tabular crystal…
The inhibitor effect of Agave Americana Extract (AAE), on mild steel corrosion in 0.5 M H 2 SO 4, was investigated by potentiodynamic polarization technique and Electrochemical Impedance Spectroscopy (EIS). The inhibitor concentration effect on the corrosion process was studied. AAE acts as a mixed type inhibitor, and…
Its high electron mobility makes hydrogen doped indium oxide (IOH) a promising transparent conductive oxide for photovoltaic and other applications. We report on a deposition process for IOH that is attractive for industrial application, using large area pulsed direct current (DC) magnetron sputtering and annealing in…
Measurements of DC electric conductivities of four types of silicone rubber-based polymers for use in high voltage insulation systems of power components are reported. The field dependences of the conductivities obtained by two different techniques, namely by utilizing steady-state currents through materials’ samples…
In a previous work ( ACS Appl. Mater. Interfaces 2017, 9, 34349–34355), a facile approach was reported to prepare thin hydrogel films based on the Marangoni effect. After dripping onto a water surface, a drop of ethanol solution of poly(stearyl acrylate- co -acrylic acid) [P(SA- co -AAc)] spread quickly to form a thin…
Abstract Ion irradiation corresponds to a process that involves the production of non-equilibrium cascades in the host material, and the atomistic modelling of such events in glasses is challenging. Here, non-equilibrium cascades in amorphous Ge 2 Sb 2 Te 5 phase-change memory material have been investigated by means…
Purpose This paper aim to investigate the influence of PA on the corrosion behavior of carbon steel with blast cleaned or pre-rusted treatments, and interpret the inhibition mechanism of PA on the steel with different surface treatments. Design/methodology/approach The influence of PA on the corrosion behavior of blas…
Abstract Although the development and application of a BNH x ‐waste recycling process is one of the major prerequisites for the use of ammonia borane as hydrogen source material, most research groups in the field have focused on AB hydrogen release and only few groups have worked on the development of energetically vi…
Present research work was performed utilizing prepolymer mixing process and varying NCO:OH mole ratios. Waterborne polyurethane dispersions (WBPUs) were prepared from phosphorous containing polyester polyol and isophorone diisocyanate. These prepolymers were neutralized by triethylamine followed by the addition of opt…
The unusual [Cu 7 (NH 3 ) 2 (H 2 O) 4 {B 24 O 39 (OH) 12 }] 4− cluster anion, isolated in the form of its hydrated hydronium ion salt, has been crystallized in moderate yield (59%) through a templated self-assembly process from [Cu(NH 3 ) 4 (H 2 O) 2 ](OH) 2 and B(OH) 3 (10 equivalents) in aqueous solution. This novel…
Adiabatic softening has an important impact on material behavior under dynamic loading. Temperature rise depends on the amount of plastic work converted into heat, as well as on the quantity of heat dissipation influenced by several parameters. In order to avoid complex thermomechanical coupling in simulation, a pseud…
N 4 ), Boron Nitride (BN)
Abstract Large‐sized reduced graphene oxide prepared was prepared by combined microwave intermittent heating and an extraction process (e.g., 900 W for 10 min (MRG‐900‐10)) with a lateral size of several micrometers and a thickness of 4–6 monosheets . The MRG‐900‐10 has a high C/O molar ratio (5.89) and a sp 2 C conte…
Abstract Gas chromatography (GC) was used to study the kinetics of the 3‐cyanopropyl triethoxysilane (CTES) polymerization. The reaction is a consecutive complex reaction that depends mainly on the kinetics of the first hydrolyzed leaving group. The activation energy of CTES hydrolysis is 20 and 58 kJ mol −1 in alkali…
Abstract Oil superabsorbent porous materials having rapid oil/water separation, high oil absorption capacity, good mechanical strength, superior recyclability, low costs, and manufacture scalability are still highly desired for oil spill cleanup applications. In this work, commercially available melamine foams are mod…