Materials Literature
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Ice accumulation on insulator surface imposes serious problems on power systems. One approach is to develop a hydrophobic coating with semiconducting characteristic resulting in heat generation, which is only coated on the bottom side. This paper focuses on the performance of the insulators treated with semiconductive…
Abstract We developed a dual mode reflective cholesteric display which works in the traditional bistable mode as well as in a monostable mode. In the bistable mode, it is operated between the reflecting planar state and non‐reflecting focal conic state, both of which are stable at zero voltage. The bistable mode is su…
Although rapid advances in Si photonics over the last decade has enabled mass production of higher functionality and lower cost photonic components (such as waveguides, couplers, modulators, photodetectors, etc..) integrated with both digital and analog circuitry in silicon complementary metal oxide semiconductor tech…
Abstract. Aluminum nitride(AlN) powders were synthesized by carbonthermal reduction of Ammonium aluminum carbonate hydroxide(AACH). The AACH were prepared from ammonium alum and ammonium hydrogen carbonate by precipitation method and AACH adhere to carbon black during precipitation. The precursor has a high reaction a…
Effects of tobacco (Nicotiana) and Kola tree (Cola acuminata) extracts on the corrosion inhibition of an aluminium alloy 2S (1200) grade specimens immersed in 0.5M sulphuric acid was investigated at ambient temperature by gravimetric and metallographic methods. Extracts of kola plant and tobacco in different concentra…
The problem of a physical relevance (meaning) of percolation in supercritical fluids is addressed considering a primitive model of water. Two different criteria, physical and configurational, are used for the cluster definition in Monte Carlo simulations over a range of pressures to determine the percolation line and…
Primary fiber fines were screened out of virgin mixed hardwood chemical pulp through a Bauer McNett Fiber Classifier with 2 output materials of fibers and fines. The screened primary fiber fines were blended into the pulp to obtain pulps with no fines, and with 10 and 20% fines. The refining of all pulp samples was ca…
Er 3+ -doped 25BaO-(25-x)SiO 2 - x Al 2 O 3 -25B 2 O 3 transparent glasses are prepared with x = 0, 12.5 and 25 by a solid-state reaction. The Er-related NIR luminescence intensity, which corresponds to the transition of 4 I 15/2 - 4 I 13/2 , is obviously altered with different silicon/aluminum ratios. The Judd-Ofelt…
Weaknesses of the current Severe Accident Management Guideline (SAMG) in handling the cooling of a molten core are discussed, and three improvements for the SAMG are presented. It is suggested that instrumentation to detect either a breach of the reactor vessel or a discharge of corium into the reactor cavity is essen…
Amphiphilic chitosan-graft-polylactide copolymers (CS-g-PLA) were synthesized via coupling reaction of monocarboxyl-ended polylactide with the amine group of chitosan in the presence of 1-ethyl-3-(3-dimethylaminopropyl) carbodiimide hydrochloride and N-hydroxysuccinimide. The composition of CS-g-PLA copolymers was con…
Ge–Sb–Sn inorganic resist materials are developed to fabricate submicron structures that have a pattern size smaller than 150 nm and a depth over 100 nm via thermal lithography. The materials are sputtered under Ar:O 2 atmospheres by varying O 2 flow rate and Ge level. Both increasing O 2 flow rate and Ge level can de…
ZnO:B films deposited by ultraviolet light-assisted metal organic chemical vapor deposition (UM-ZnO:B) were applied to CBD-ZnS(O,OH)/CIGS solar cells in order to eliminate plasma damages during the subsequent ZnO sputtering. It was verified that the conversion efficiency of CIGS solar cells with a UM-ZnO:B window laye…
The current-voltage characteristics of single-crystal MnGa 2 Se 4 samples have been studied. The measurements have been performed in the electric field range from the range of validity of Ohm’s law to 10 V/cm at temperatures of 300–400 K. The data obtained are discussed within the context of the theory of injection-co…
Smoothed Particle Hydrodynamics (SPH) is a Lagrangian mesh-free formalism and has been useful to model continuous fluid. This formalism is employed to solve the Navier-Stokes equations by replacing the fluid with a set of particles. These particles are interpolation points from which properties of the fluid can be det…
Plastics Engineering is the official publication of the Society of Plastics Engineers (SPE). We provide plastics professionals with a wealth of information about machinery, technological advances, materials innovations, sustainability, and more.
In 2011, Amonix installed over 35 MW of CPV arrays across the U.S Southwest. In order to meet the competitive price targets of these projects, improvements have been made across the power path, from optics to cell. Modules fielded in 2011 produced over 20% more power than those fielded in 2009. The recent deployments…
Novel Protruded-Shape Unipolar Resistive Random Access Memory Structure for Improving Switching Uniformity through Excellent Conductive Filament Controllability, Ryoo, Kyung-Chang, Kim, Sungjun, Oh, Jeong-Hoon, Jung, Sunghun, Jeong, Hongsik, Park, Byung-Gook
Electrical and thermal conductivity of materials are typically correlated, while some applications, including thermoelectrics, require these parameters to be controlled independently. Such independent control of thermal and electromagnetic properties can be achieved by using nanocomposites. In this study, nanocomposit…
In the last years, Nanoindentation or Instrumented Indentation Technique has become a powerful tool to study the mechanical properties at micro/nanometric scale (commonly known as hardness, elastic modulus and the stress-strain curve). In this review, the different contact mechanisms (elastic and elasto-plastic) are d…
A study is reported of the effect produced by application of a dc electric field (0 < E < 5 kV/cm) in different regimes on structural phase transformations and behavior of the phase boundary in [001]-oriented PbIn1/2Nb1/2O3-37PbTiO3 single crystals (starting composition) near the morphotropic phase boundary. The diele…