Materials Literature
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The generalized Prandtl-Ishlinskii model (GPI) of hysteresis has a wide applicability, partly because of its capability of modelling highly asymmetric hysteresis. A disadvantage of the GPI models compared to, for example the Modified Prandtl-Ishlinskii models, has been that they have had to be identified using paramet…
This paper presents the study results with glass-ceramics obtained from base glass (MgO-Al2O3-SiO2-Li2O system) with addition of ZrO2as nucleating agent. The glass was melted at 1650 oC for 3 h and at a heating rate of 10 °C/min. The molten glass was poured into a graphite mold to obtain monolithic samples and also in…
Investigation of a wideband flexible microwave absorber with an inhomogeneous resistive sheet made of ink with graphene nanoplatelets is presented in this paper. The analysis is performed for an obliquely incident plane wave of both TE and TM polarizations. It is shown that the absorber's angular performance can be im…
Molybdenum disulfide (MoS2) has recently received significant attention because of its interesting thickness-dependent properties and its potential as a semiconducting substitute to graphene [1,2]. Most of the studies so far have focused on small (2flakes [1-3]. For manufacturable electronics, it is essential to have…
Abstract We fabricated amorphous AlZnSnInO TFT with back channel etch structure. Source/drain electrode of molybdenum (Mo) was formed using mixed acid based Mo/Al/Mo etchant for the first time in the fabrication of a‐oxide BCE TFT. SEM and ESCA analysis showed no Mo residue on the surface of active layer. The BCE AlZn…
This paper studied how DBT oxidation was influenced by different preparation conditions of diesel desulfurization catalyst. Fuel oil oxidation and desulfurization technology has been studied by using solid superacid prepared by activated carbon loaded SO42-/ ZrO2 as catalyst instead of the traditional liquid acid, hyd…
Road salt spread on highways during the winter months can be a major source of contamination for insulators. Once the salt is spread on the highway, it becomes airborne through vehicle traffic and wind. The wind may then deposit the salt onto nearby electrical apparatus increasing the risk of flashover. The standard m…
We demonstrate how several experiments on graphene transport can be explained semi-quantitatively within a Non-Equilibrium Green's Function (NEGF) formalism. The key features are controlled by-(i) the boundary potential established at a metal-graphene interface,(ii) charge puddles that help the conductivity in the bal…
Mesoporous material SBA-15 was synthesized using P123 and TEMOS as the templates. Lithium in the form of LiOH was loaded over a previously prepared SBA-15. The basic strength of the prepared samples of SBA-15 was found to increase but the mesoporous structure was severely destroyed. The mesoporous structure of the pre…
Hemp was treated with guanidine dihydrogen phosphate [GDP] to impart flame retardance. The thermal degradation of the samples were studied by thermogravimetry (TG) and differential thermal analysis (DTA). The flame retardance was determined by LOI. Morphology of the char structure was studied by SEM to obtain informat…
6.5wt% high silicon electrical sheet is hard to be obtained through conventional different rolling processes due to its remarkable brittleness at room temperature and appearance of ordered phases in the alloy substrates, especially it has very excellent soft magnetic properties. In this study, 6.5wt%Si three-layer com…
New technology and lance designs ensuring the application of a slag coating and gunite coating on the converter lining are described.
This paper deals with FEM analysis of six models that represents human cortical bone, cast TiAl6V4 alloy and porous TiAl6V4 with different pore diameters. Reliable data for the simulations were achieved by meta-analysis that consisted from 53 scientific works. Strain value was chosen with a respect to the frequent dai…
The size distribution function of nanodots in artificial three-dimensional (Si)Ge/Si and In(Ga)As/GaAs quantum dot crystals grown using templates with perfect periodicity is calculated. Pyramidal nanodots were modeled by cone-shaped clusters for which the Thomson formula was derived, which is necessary to determine th…
Adiabatic shear bands are microstructural features that appear when metals, and some non-metals are subjected to impact loading at strain rates in excess of 103 s-1 and large strains. The formation of these bands is generally attributed to several competing mechanisms, among them is an initial strain hardening followe…
The aim of this study is to investigate the changes of chemical compositions in the process of simulation shark fin. The simulation shark fin was produced by tilapia fishtail; whose main chemical compositions were collagen and chondroitin sulfate (CS). The study indicated that both of them had different change trend i…
Frequency Domain Spectroscopy (FDS) is successfully being used to assess the insulation condition of oil filled power transformers. However, it has to date only been implemented on de-energized transformers, which requires the transformers to be shut down for an extended period which can result in significant costs. T…
Abstract First, we introduce a new oxide channel material, zirconium‐indium‐zinc‐oxide (ZIZO), with high performance and high stability. Second, we develop a totally solution‐derived process for fabricating active‐matrix TFTs for display application. The obtained TFT performance is better than a‐Si TFT and comparable…
Abstract A new method to enhance the surface anchoring of vertical alignment liquid crystal devices using surface polymer stabilization is introduced. Mixture made of a nematic liquid crystal and a minute amount of reactive monomer is polymerized to form sub‐micron sized polymer protrusions on the two substrates of th…
The complexation reactions of Mn 2+ , Co 2+ , Y 3+ , and ZrO 2+ cations with the macrocyclic ligand, 4′-nitrobenz-15-crown-5 (4′-NB15C5), in acetonitrile (AN), methanol and AN-MeOH binary mixtures have been studied at various temperatures using the conductometric method. The conductance data stand for the Me : L stoic…