Materials Literature
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European standard concerning the determination of the rated efficiency of converter-fed induction motors is not yet available if not as a draft version. Waiting for the approved standard IEC 60034-2-3, in the paper the draft version is analyzed, together the possibility to use IEC 600034-2-1 Standard, valid for sinuso…
Stainless steels (SS) have earned a unique position as a widely accepted class of alloys with track record of steadily improving the performance and increasing applications from 1913 till date. This distinction is attributed to R&D, innovations and applications leading to harnessing the rare combination of propert…
Due to uniquely ordered nanoporous structure and high surface area as well as large pore volume, mesoporous materials have exhibited excellent performance in both controlled drug delivery with sustained release profiles and formulation of poorly aqueoussoluble drugs with enhanced bioavailability. Compared with other b…
The graphene nano-ribbon field effect transistor (GNRFET) is an emerging technology that received much attention in recent years. Recent work on GNRFET circuit simulations has shown that GNRFETs may have potential in low power applications. In this paper, we review the existing work on GNRFET circuit modeling, compare…
The number of patients with colorectal cancer, the third most frequently diagnosed malignancy in the world, has increased markedly over the past 20 years and will continue to increase in the future. Despite recent advances in chemotherapy, currently used anticancer molecules are unable to improve the prognosis of adva…
An analysis of the literature data on the solubility and kinetics of the chemical (reagent) precipitation of calcium carbonate and magnesium hydroxide is performed. The possible causes of the significant discrepancy in the available data are considered. The kinetics of the homogeneous and heterogeneous crystallization…
UHF method to detect partial discharge (PD) phenomenon has been proven to be an effective way. Many types of UHF antenna have been developed in order to achieve a better sensitivity and accuracy in certain bandwidth (300 MHz–3.0 GHz) for detecting the ultra-high frequencies generated by partial discharge. Bowtie anten…
The Trichel pulse is a typical kind of negative corona current observed in electronegative gases with a highly regular form. The characteristics of the Trichel pulse, such as the repetition frequency, the amplitude of each pulse, and the mean current, are dependent on different discharge conditions. Quite many scholar…
The inhibition effect of 7-methyl-2-phenylimidazo[1,2-α]pyridine (PIP) on the corrosion of carbon steel in phosphoric acid solution was investigated for the first time by weight loss, potentiodynamic polarization, electrochemical impedance spectroscopy (EIS) and quantum chemicals calculations. It was observed that inh…
Ethanol solution of Ocimum basilicum L. oil was studied as corrosion inhibitor for aluminium in 0.5 M HCl. Its inhibition effect was performed using weight loss measurements, potentiodynamic polarization and EIS methods. Potentiodynamic polarization measurements show that presence of basil oil in HCl solution influenc…
High and ultra-high strength concrete are becoming popular for many applications, including critical infrastructure subjected to high strain rate loading such as blast and impact. A strain rate dependent material model that is applicable to a range of strengths, varying from normal strength to ultra-high strength conc…
Cellulose has been the extracted from rice husk by chemical treatment with aqueous solution of sodium hydroxide. The physical properties of derived cellulose (water uptake and swelling behavior) has been investigated with view of different applications. The morphology and chemical structure were investigated by Infrar…
The Island of Majorca (Spain) is characterized by a Mediterranean climate and a karstic geology that favors the formation of numerous springs and spring-fed streams on the island's Northwester zone. Water and epilithic diatom samples were collected from two springs and four spring-fed streams, located at altitudes ran…
Ordered assembly thin films of BaTiO 3 (BT) nanocubes were fabricated on various Pt-coated substrates by dip-coating self-assembly and sintered at 850 °C. BT nanocubes aligned face-to-face in a wide region about 20 µm 2 with a height of about 600 nm. The thickness of the assembly film was able to be controlled by chan…
The phenomenon of corrosion of metals including Fe, Al, Cu, Zn, Mg and their alloys is controlled to a great extent by selection of highly corrosion resistant inhibitors. The associated cost factor favors the use of cheap metallic materials along with efficient corrosion prevention methods in many industrial applicati…
Much of the microelectronic industry and many uses of silicon are based on the stability of silicon oxide and the electrical quality of its interface with the silicon substrate. It is natural therefore to have focused on functionalizing silicon by grafting molecules on its oxide. However, severe issues are associated…
The optical characteristics of (PMMA/PVA) thin films are investigated by spectrometric measurements. Sample with different percentage are prepared with constant thickness (110 m) using casting technique. The real (n) and imaginary (k) parts of refractive index and dielectric constant of the thin films are determined.…
0.67BiFeO 3 -0.33BaTiO 3 multiferroic ceramics doped with x mol% MnO 2 ( x = 2–10) were synthesized by solid-state reaction. The formation of a perovskite phase with rhombohedral symmetry was confirmed by X-ray diffraction (XRD). The average grain sizes were reduced from 0.80 μm to 0.50 μm as increasing the Mn-doped l…
In this study, multiple addition of rare earth (RE) and manganese (Mn) to AZ61 was conducted aiming to find out the influence to corrosion resistance. AZ61 containing different amounts of RE and Mn was investigated by electrochemical measurement in condition of 3.5 wt% NaCl solution at 25 °C. Gravimetric measurement w…
Nanocomposite properties are to a large extent governed by interface-associated mechanisms. Via atomic-scale modeling of bi-phase interfaces, we reveal a strong correlation between interface structure and the nucleation of dislocations. We show that the number and types of dislocations that are emitted depend sensitiv…