Materials Literature
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Anaerobic adhesives have found an extensive use in many applications in mechanical engineering as sealers, threadlockers and retainers on metal surfaces. These adhesives have shown a good performance with threaded components with Cr[VI] coatings. Hexavalent chromium is a carcinogenic material so its use is limited or…
In previous efforts, structural composite capacitors were developed using off-the-shelf starting materials and conventional composites processing techniques [1]. Assuming a stiffness-driven design we showed that while these devices may not perform individual structural or energy storage functions as well as their conv…
Competing scenarios for quantum critical points (QCPs) of strongly interacting Fermi systems signaled by a divergent density of states at zero temperature are contrasted. The conventional scenario, which enlists critical fluctuations of a collective mode and attributes the divergence to a coincident vanishing of the q…
We describe synthesis, property investigations and composite applications of multi-walled boron nitride nanotubes.
A sessile (water) drop deposited onto a superhydrophobic surface can stay in two different regimes: the heterogeneous (or Cassie–Baxter) regime, where air or vapour is trapped at the interface, or the homogenous (or Wenzel) regime, where the interface is completely wet. Often, a spontaneous transition from the first t…
BACKGROUND: Among the dietary essential amino acids, the most severely limiting in the cereals is lysine. Since cereals make up half of the human diet, lysine limitation has quality/nutritional consequences. The breakdown of lysine is controlled mainly by the catabolic bifunctional enzyme lysine ketoglutarate reductas…
The direct electrical pathway for rapid collection of charge carriers generated in aligned TiOPc/ZnO nanorod is visualized by using photoconductive atomic force microscopy (pc-AFM), which can provide theoretical guidance for preparing high efficiency solar cells.
Single-crystalline SmF3 sub-micropumpkins with a rattle-type structure have been successfully synthesized on a large scale by reaction of aqueous Sm3+ with ammonium fluoride in the presence of ethylenediaminetetraacetic acid (EDTA) at 110 °C for 16 h, which were confirmed by X-ray powder diffraction, energy dispersive…
Novel α-alumina crystalline nanosheets are used for the preparation of alumina-carbon composites, in which the latter component is phenolic resin-based ordered mesoporous carbon. A unique feature of these composites is perpendicular orientation of ordered mesopores of the carbon to the (001) facets of nonporous α-alum…
Mesoporous polymeric resins with cylindrical pores of 30 nm diameters are prepared by using self-assembled nanotubes as templates: the tubes are formed from association of a diamide compound in difunctional monomers; the monomer is polymerized and the tubes are leached out of the polymer matrix. Functionalization of t…
A study on characteristics of thorium‐plutonium‐minor actinides utilization in the pressurized water reactor (PWR) with the equilibrium burnup model has been conducted. For a comprehensive evaluation, several fuel cycles scenario have been included in the present study with the variation of moderator‐to‐fuel volume ra…
Single edge-notch tension (referred to as SE(T) or SENT) tests are increasingly being used in the pipeline community, as they are a laboratory-scale fracture toughness test, capable of being performed on linepipe steels and welds. The constraint and loading conditions of the SE(T) specimens more closely correspond wit…
Four steroids, 5α,8α-epidioxy-(24ξ)-ergosta-6,22-dien-3β-ol (1), β-sitosterol (2), β-sitostenone (3), and stigmastenone (4), along with 10 known compounds were isolated from the whole plants of Leucaena leucocephala (Leguminosae). 1, Lupeol (5), 1,3-dipalmitoyl-2-oleoylglycerol (6), methylparabene (8) and isovanillic…
Control of microstructure during processing is necessary to produce materials with optimum properties. Grain growth behaviour in both two-phase (solid/liquid) and single phase materials is strongly dependant on interface structure, either rough (atomically disordered) or faceted (atomically ordered). Materials with di…
The theory of integral equations was applied to investigate the formation of structures in ionic liquids (ILs). The effect of temperature and the length of the cation tails on the structural properties of a system was studied. An intermediate type of ordering in ILs as compared with common liquids was observed. The fo…
In this study, we fabricated Organic Field Effect Transistors (OFETs) using an Au/P3HT/SiO2/n++-Si structure. The organic poly(3-hexylthiophene) (P3HT) films with various thickness, which were controlled by changing weight concentration of P3HT in chloroform (CHCl3) solvent, have been fabricated using a sol–gel method…
In a recent series of articles, the author presented a multiple-coarsening multigrid method for solving $S_n$ discretizations of the Boltzmann transport equation. This algorithm is applied to an integral equation for the scalar flux or moments. Although this algorithm is very efficient over parameter regimes that desc…
Wendelstein 7-X is a drift-optimized stellarator with improved thermal and fast ion confinement. Additional optimization criteria are a stiff equilibrium configuration and MHD stability up to a volume averaged β of 5 %. The main objectives are to demonstrate reactor-relevant plasma performance under steady-state condi…
Hydroxymethylated resorcinol (HMR) coupling agent is a low condensation resorcinol-formaldehyde resin mix of low molecular weight oligomers. The mechanism that appears to link the hydroxymethylated resorcinol coupling agent to polyurethane adhesives for the reported enhancing of their wood bonding performance was show…
At the beginning of this decade, in early 2000, few disruptive technologies had been proposed to replace the industry standard Non-Volatile Memory (NVM) technology and to enlarge the Flash application base. A widely accepted statement was that if any technology will succeed, it will materialize in the next decade. As…