Materials Literature
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Thermomagnetic analysis and Mössbauer spectroscopy were used to study the effect of severe plastic deformation (SPD) by high-pressure torsion (HPT) and subsequent annealing on structural transformations and formation of magnetic properties of rapidly quenched Nd 9 Fe 85 B 6 alloy. The HPT of the Nd 9 Fe 85 B 6 amorpho…
An Mg–Fe alloy system prepared through mechanical alloying (MA) was structurally analyzed. MA can produce single-phase bcc alloys using Mg concentrations up to about 15 mol %. Use of conventional average structure analysis and x-ray pair-distribution function method enabled the long-range and short-range order structu…
This paper introduces an original approach for modeling the external induction variation of a complex ferromagnetic structure undergoing magneto-mechanical effects. From the Jiles Law of Approach that describes the intrinsic magnetization changes due to magnetostriction, an expression of the law in terms of convenient…
Although conducting polymers have various potential applications, lack of solubility is an impediment in their direct application to material surfaces. Synthesis of alkyl pyrrole monomers and subsequent polymerization into soluble conducting polymers are aimed as alternatives to conventional methods of application of…
A simple strategy of pre-doping lithium ion into carbon negative electrode for lithium ion capacitor was introduced. In this strategy, a kind of Li-containing compound was added directly into the positive electrode of the lithium ion capacitor (LIC). When the lithium ion capacitor was charging first time, the Li-conta…
The non-isothermal decompositions of unirradiated and γ-irradiated (10 2 kGy) gallium acetylacetonate Ga(acac) 3 were carried out in static air. The results showed that the decomposition of Ga(acac) 3 proceeds through multiple decomposition steps in the temperature range 150-310°C to produce Ga 2 O 3 as a final solid…
Biofilm formation and the adsorption of nonsulfate-reducing marine bacterium Vibrio natriegens (V. natriegens) to different metallic surfaces have been studied by atomic force microscopy (AFM). The nature of extracellular polymeric substance (EPS) has been monitored through the force-distance curve. EPS may act as adh…
The paper deals with an analytical model for hysteresis cycle representation. The hysteresis curve is decomposed in a series of arcs of circles and segments of lines. Each arc of circle or segment of line is expressed using analytical geometry as a function of some given parameters or calculated ones. The easiness of…
A strain sensor using a stress-magnetoresistance effect of a Ni–Fe/Mn–Ir exchange-coupled magnetic film was fabricated and evaluated. The stress magnetoresistance is used in the inverse magnetostrictive effect and the magnetoresistance effect in the magnetic film since an external stress is changed into an electric re…
A General Coupled Kinetic Adsorption/Precipitation Transport Model for Scale Inhibitor Retention in Porous Media: I. Model Formulation K. S. Sorbie K. S. Sorbie Heriot-Watt University Search for other works by this author on: This Site Google Scholar Paper presented at the SPE International Conference on Oilfield Scal…
A novel method to coat electrospun poly(D,L-lactic-co-glycolic acid) (PLGA) fiber surfaces evenly and efficiently with low-crystalline carbonate apatite crystals using a poly(vinyl alcohol) (PVA) vehicle system carrying calcium ions was presented. A non-woven PLGA fabric was prepared by electrospinning: a 10 wt% PLGA…
Abstract We report the large scale preparation of nanostructured polyaniline‐Pd nanoparticles composites (designated as PANI(NS)‐PdNPs) through a “seed” induced bulk polymerization. Initially, a small quantity of PANI(NS)‐PdNPs was formed inside the cavities of MCM‐41 and used as the “seed” for the bulk preparation of…
The performance of a newly developed pulsed RF glow discharge time-of-flight mass spectrometer (GD TOFMS) in analysis of elemental distributions of impurity species, particularly Cr, B, P, Cl and Cu in anodic film on aluminium and beneath the anodic alumina/aluminium interface and P, B, Cr and H in anodic film on tant…
In this paper, we report on superhydrophobic fabrics (polyester, wool and cotton) produced by a wet-chemical coating technique. The coating solutions were synthesized by the co-hydrolysis of two silane precursors, tetraethyl orthosilicate (TEOS) and an alkylsilane, in an alkaline condition. Without any purification, t…
In this study, a number of ternary mixture aqueous solutions of chitosan/agar/poly vinyl alcohol (CS/AG/PVA) at different proportions (considering chitosan as the main component) were prepared. The effects of temperature, shear rate, shearing time and storage time on the rheological properties, i.e., the apparent visc…
A whole series of low-symmetry, metal-free tetrapyrrole analogs 1–11 ranging from tetraazaporphyrin H 2 TAP(tBu) 4 to napthalocyanine H 2 Nc(tBu) 4 via H 2 Pc(tBu) 4 have been designed and prepared. Their electronic structures have been spectroscopically and electrochemically investigated. Through the preparation of a…
In addition to statistically relevant standard reliability tests and lifetime analysis, the study of solid-state physical degradation mechanisms for a limited number of representative samples is needed to understand weaknesses in the interconnect technology and to exclude reliability-related failure in Cu interconnect…
Abstract We report novel low temperature liquid crystal alignment technology that offers unique pattern regulation by high anchoring rubbing method. Photoresist properties of alignment layer allow consequent deposition, rubbing, non‐polarized photoexposure and wet development for mask defined surface aligning pattern.…
Photochromic surface coating on textiles may create new fashion opportunities. It also enhances the ultraviolet (UV) protection ability of the coated products. In this study, a spirooxazine dye and a silane that bears a long alkyl chain have been used to produce hybrid photochromic silica coatings on wool fabrics. Fou…
Abstract We have developed “Transverse Bend Alignment (TBA) mode”, an advanced VA mode where liquid crystal materials are driven by a combination of a lateral field and a vertical field. We have made TFT‐LCDs with different spacings of comb‐shaped electrodes to reduce the steepness of the V‐T characteristics. By adjus…