Materials Literature
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The protective role of iron carbonate films deposited on steel surfaces as by-products of carbon dioxide (CO2) corrosion may be hindered by mechanical film removal due to hydrodynamic forces. Damage to the film is frequently accompanied by severe corrosive attack, which may ultimately result in costly equipment failur…
This study investigated the unique shape of cotton fiber length distribution and explored its main features. One prominent feature revealed by the examination of a multitude of distributions measured on a wide range of cotton samples was the modality of the distribution pattern. Based on the experimental data, signifi…
The main aim of the present study was to predict the most important yarn quality characteristics derived from cotton fiber properties that were measured by means of an HVI system. With this aim 15 different cotton blends were selected from different spinning mills in Turkey. The cotton fibers were processed in the sho…
ADVERTISEMENT RETURN TO ISSUEPREVCommunication to the...Communication to the EditorNEXTMorphology and Structure of Single Crystals of Poly(ethylene glycol)−Poly(ε-caprolactone) Diblock CopolymersJingru Sun, Xuesi Chen, Chaoliang He, and Xiabin JingView Author Information State Key Laboratory of Polymer Physics and Che…
We report the electric-field-induced magnetization (EIM) in the composite structures made by combining Pb(Zr0.52Ti0.48)O3 (PZT) and Tb0.30Dy0.7Fe2 (Terfenol-D). The results showed that the EIM could be generated in the composite structures due to the efficient stress-mediated electromagnetic coupling interaction betwe…
The effect of sulfur on the structures (shell number and diameter distribution) of carbon nanotubes (CNTs) was investigated in detail using high resolution transmission electronic microscopy (HRTEM) and Raman spectroscopy. Single-walled (SWNTs), double-walled (DWNTs), and multi-walled carbon nanotubes (MWNTs) with dif…
Polymers containing 6- and 7-substituted coumarin moieties were prepared as photoalignment films through linearly polarized UV irradiation to a varying fluence for an investigation of liquid crystal orientation. Model coumarin monomers and dimers were also synthesized and characterized as part of a novel approach to t…
Abstract A versatile sol–gel method for fabricating porous oxide materials with well-defined co-continuous macropores has been reviewed. The chemical instability, in many cases induced by polymerization of the network-forming components, triggers the formation of biphasic morphologies, followed by an irreversible free…
Electron energy-loss spectroscopy (EELS) in combination with scanning transmission electron microscopy (STEM) reveals that the La enrichment at the surface of cerium-lanthanum solid solutions is an averaged effect and that segregation occurs in a mixed oxide phase. This separation occurs within a crystalline particle,…
Twill copper fabrics (3/1) were produced using a single cylinder handloom jacquard weaving machine. The effect of varying weft density, warp density, wire diameter, and lay-up angle on electromagnetic shielding effectiveness was studied. The electromagnetic shielding effectiveness (EMSE) of various copper woven fabric…
This article reviews the different components, conductors, semiconductive shields, insulation, sheaths, and jackets, that make up extruded, high-voltage cables. The different types of conductors are described as are the different insulation systems that are available for medium and HV cables. There is a comparison of…
Potassium niobate, KNbO 3 (KN), ceramics doped with manganese (Mn) were prepared by the conventional ceramic fabrication process to characterize their electrical properties. The difficulty in obtaining dense ceramics by conventional methods limits our knowledge of the piezoelectricity of this ceramic. In this paper, a…
Complexes between the tetrapyridyl pendant-armed macrocyclic ligand (L) and the trivalent lanthanide ions have been synthesized, and structural studies have been made both in the solid state and in aqueous solution. The crystal structures of the La, Ce, Pr, Gd, Tb, Er, and Tm complexes have been determined by single-c…
Abstract The objective of this review is to outline literature on metal release in the food industry. Key results are reviewed from publications with high scientific level as well as papers with focus on industrial aspects. Examples of food products with a corrosive effect are given, and cases concerning processes, st…
A hybrid nanorobotic manipulation system inside a scanning electron microscope (SEM) and a transmission electron microscope (TEM) is presented. The SEM manipulators have been constructed with 8 degrees of freedom (DOFs) with three units for effective TEM sample preparation. The TEM manipulator consists of a 3-DOF mani…
Cu films deposited by ion beam deposition with or without a negative substrate bias voltage were found to have different states of dependence of electrical resistivity on film thickness. We have attempted to evaluate the effects of the film thickness, average grain size, impurities, and morphological defect on the res…
Efficient noncentrosymmetric arrangement of nonlinear optical (NLO) chromophores with high first-order hyperpolarizability (beta) for increased electro-optical (EO) efficiency has proven challenging as strong dipolar interactions between the chromophores encourage antiparallel alignment, attenuating the macroscopic EO…
Two-photon absorption measurement has been carried out in a single 80nm×10μm ZnO nanowire using femtosecond laser pulses in the wavelength range of 700–800nm. In addition to the deep-level green emission around 530nm due to surface defects and the near band-edge ultraviolet emission around 360nm due to the exciton, a…
Cation distributions in natural ferrite spinels, some containing large amounts of Mg, Ti, Mn, and Zn, have been investigated using the element-, site-, and symmetry-selective spectroscopic techniques of L 2,3 X-ray absorption spectroscopy (XAS) and X-ray magnetic circular dichroism (XMCD). By comparing XMCD data with…
As-synthesized single-walled carbon nanotubes (SWNTs) are bundled mixtures of different species. The current challenge in the field of carbon nanotube research lies in the processing and separation of SWNTs, which first require efficient dispersion of individual SWNTs in solvents. We report DNA-mimicking polysoap surf…