Materials Literature
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Nanocomposite coatings can endow a plated surface with various properties such as wear resistance, high-temperature corrosion protection, oxidation resistance, and self-lubrication. This work studies the corrosion and corrosive wear resistance of electroplated nickel nanocomposite coatings on Ti-6Al-4V alloy in a Hank…
Ferromagnetic hexagonal cobalt nanoparticles are synthesised via reduction of cobalt acetate tetrahydrate by using sodium borohydride as a reducing agent. The morphology, crystal structure and magnetic properties of as synthesised particles are characterised by using transmission electron microscopy (TEM), powder X-ra…
High-resolution transmission microscopy has been used to reveal the defect processes occurring during shot peening of a high-strength titanium aluminide alloy with a nearly lamellar microstructure. Deformation is characterised by intensive dislocation glide and mechanical twinning, involving all potential slip systems…
The incidence of an inhomogeneous plane wave on the interface between two lossy media is analyzed. The analytical expressions of the incidence angle of the phase vector, for which the transmitted wave has the phase or the attenuation vector parallel to the interface, are obtained. The transmitted wave with the attenua…
Electroless nickel–boron samples with 5 wt % boron were synthesized on mild steel with a bath based on sodium borohydride. Evolution of chemistry in the bath was followed during plating. Most reactive was consumed during the first half hour of the process. However, reducing agent and stabilizer concentration evolve di…
Electrochemically formed thin films are vital for a broad range of applications in virtually every field of modern science and technology. Understanding the film formation process could provide a means to aid the characterisation and control of film properties. Herein, we present a fundamental approach that combines t…
Placement error due to charging in electron beam lithography has been identified as the most important factor limiting placement accuracy in EBL, which is especially important in the fabrication of masks for double patterning. Published results from a few major companies demonstrated that the placement errors due to c…
Propagating two-dimensional plasmon polariton modes guided by elliptical cross section silver nanoridges are investigated in this paper. Mode field profiles, dispersion curves, propagation distances, and figure-of-merits of the plasmon modes are calculated for various elliptical cross section silver nanoridges. It is…
EUV lithography is the most promising candidate for semiconductor device manufacturing of 1x nm half pitch and beyond. For the practical use, EUV mask with a thin absorber could be adopted because of less shadowing effect. EUV reflectivity from the thin absorber is about 1~3%. It would cause CD change on wafer especia…
Abstract A novel coordination polymer {[Cd(BDAC)]2·H2O}n (1) [HBDAC = (1′H‐[2, 2′]biimidazoly‐1‐yl)‐acetic acid] was synthesized under hydrothermal conditions and characterized by elemental analysis and single‐crystal X‐ray diffraction. Complex 1 crystallizes in the acentric orthorhombic space group Ccc2. The Cd1 atom…
NC2® tricot stitched carbon preform has been tested to evaluate its potential application in aircraft structures. It is one in a range of stitched fabric group, specially developed by Hexcel Composites, designed to be processed with a RTM6 monocomponent resin. This article aims to evaluate the tricot stitched fabric b…
Abstract The Zintl phases Eu3Mg5Si5 and Eu3Mg5Ge5 were synthesized by high‐frequency melting of the elements in sealed tantalum tubes. Both of their structures have been refined from X‐ray single crystal diffractometer data: Sr12Mg17.8Li2.2Si20 type, Pnma, a = 1424.3(1), b = 450.5(2), c = 1821.4(2) pm, wR2 = 0.0544, 1…
In guided tissue/bone regeneration, membranes are used as barriers to prevent the faster growing soft tissue cells from entering the defect space and to regenerate periodontal ligament, cementum, and bone. The two sides of the membranes are in contact with distinct biological environments in which one faces a region i…
EUV lithography with 13.5nm exposure wavelength is dominant candidate for the next generation lithography because of its excellent resolution for 16nm half pitch (hp) node device and beyond. High sensitivity EUV mask pattern defect detection is one of the major issues to realize the device fabrication by using the EUV…
A combined experimental and numerical approach for estimating the elastic modulus of reinforcement corrosion products is presented. Deformations between steel and mortar were measured using digital image correlation during accelerated corrosion testing at 100 μA/cm2 (~1.16 mm/year). Measured deformations were compared…
Abstract The title compound, N‐(2‐pyridylmethyl)salicylamide (1), was synthesized by ester aminolysis of methyl salicylate and 2‐picolylamine. In the presence of triethylamine as a supporting base, the salicylamide moiety reacts with the organodichlorosilanes RR′SiCl2 to form the desired six‐membered heterocycles of t…
Recently, most of defects on high-end masks are repaired with electron beam (EB). The minimum repairable dimension of the current state-of-the-art repair systems is about 20-30 nm, but that dimension is not small enough to repair the next generation masks. Meanwhile, new molybdenum silicide (MoSi) films with high clea…
An ultrahigh shear rate viscometer (USV) was used to measure the viscosity of polymer solutions. It was found that some polymer solutions in base oil, including those used as engine oil viscosity modifiers, show permanent viscosity loss when subjected to very high shear rates above 106 s−1. The USV was modified to aut…
Electrocautery and directed energy devices (DEDs) such as lasers, which are used in surgery, result in tissue damage that cannot be readily detected by traditional histological methods, such as hematoxylin and eosin staining. Alternative staining methods, including 3-(4,5-dimethyl-thiazol-2-yl)-2,5-diphenyltetrazolium…
Guar galactomannan (referred to as guar gum) is a versatile polysaccharide, obtained from the seeds of the shrub Cyamopsis tetragonolobus, which finds several applications in either its native or chemically modified form. For textile printing, guar gum can also be partially depolymerised in order to promote dye penetr…