Materials Literature
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The mechanism of the formation of a fragmented structure has been studied using the EBSD analysis on the example of the microstructure of the zone of the welding joint obtained by explosive welding of copper sheets. The process of the structure formation included, besides the formation of boundaries of deformation ori…
Objective(s):Copper oxidenanoparticles have different industrial applications so it is inevitable that nanoparticulate products finally find their way into aquatic ecosystems. Nevertheless there is little information available about their effects on some of edible fish. The present study aims to determine the acute to…
The magnesium alloy AZ31(96Mg-3Al-1Zn alloy) was coupled with nickel using transient liquid phase bonding method at 520 ˚C for different periods of time varied from 5 min to 40 min. The corrosion behavior of the Mg alloy AZ31 without and with Ni coupled within it in 3.5 wt.% sodium chloride solution was reported using…
Nine strains of sulfate-reducing bacteria were isolated from a biofouling of corroded steel samples incubated in a marine environment near Nha Trang, South Vietnam. Sulfate-reducing bacteria were obtained from all samples with black corrosion products (in rust-filled metal cavities, beneath the Balanus and oyster boot…
A software for calibrating an X-ray diffractometer with area detector has been developed. It is proposed to search for detector and goniometer calibration models whose parameters are reproduced in a series of measurements on a reference crystal. Reference (standard) crystals are prepared during the investigation; they…
This is the first study of the antibacterial activity of heptadentate Schiff base ligand (trensal) and its Cr(III), Co(III), Ni(II), and Mn(III) complexes that have been synthesized from the heptadentate Schiff base ligand derived from salicylaldehyde and tris(2-aminoethyl)amine. Heptadentate Schiff base ligand and it…
Abstract The reactivity of palladium acetate inside a poly(4‐vinylpyridine‐co‐divinylbenzene) polymer is strongly influenced by the establishment of interaction between the Pd precursor and the pyridyl functional group in the polymer. Diffuse reflectance infrared Fourier transform spectroscopy (DRIFTS) and simultaneou…
The design and manufacture of XLPE insulation HVDC cable joint is a challenge because the internal electric field distribution of the joint insulation can be affected by several factors and therefore is difficult to do accurate calculation. In this paper, the electric field distribution of cable joint fabricated with…
We have developed a simple active Huygens source consisting of a current strip and a current loop, which is further reduced to two current strips in a 2D environment. We derived the necessary current excitations which would produce a perfect Huygens source, and studied unidirectional plane-wave formation using an infi…
Use of medicinal plants is common and widespread throughout Africa, including in Senegal. Because efficacy has been demonstrated, public policies have been instituted that have allowed plant-based therapies to have an important role in general primary care. However, little is known about the cutaneous safety of many p…
Under dynamic loading, an aluminum melt has a comparable or even higher strength than solid aluminum at room temperature. This phenomenon is possible due to the uniformity of the melt and the homogeneous nucleation of voids within it, whereas the fracture mechanics of a solid are controlled by pre-existing defects. Hi…
Reactive MgO has recently emerged as a potential activator for ground granulated blastfurnace slag (GGBS), which is one of the most widely used by-products in the cement industry. However, it is known that the characteristics of reactive MgO vary significantly, which may affect the activation process and hence the per…
The work was validated thermal stability of zinc, manganese and tri-cations phosphate coatings on steel, made from commercial phosphating bath type Pragofos.Thermogravimetric data dehydration of scholzite, phosphophylite and hureaulite coatings in the temperature range 160 °C -400 °C define the conditions for applying…
We synthesized single phase pure and Eu doped LiF having micro-cubical morphology by modified co-precipitation method. The complete solid solubility of Eu in LiF has been observed up to 0.04 mol% and afterwards phase segregation started. The absorption spectra of pure and Eu doped LiF revealed the formation of γ-irrad…
Temperature-field and orientational magnetization dependences of single crystals were measured. Both samples demonstrate significant field-depending temperature hysteresis and low-temperature counter field magnetization. The correlation of orientational dependences of these effects and magnetic anisotropy is analyzed;…
Longitudinal and shear wave velocities were measured in borosilicate glasses containing V 2 O 5 using the pulse echo technique. Measurements were carried out at 4 MHz frequency and at room temperature. The density was measured by the conventional Archimedes method. Elastic moduli and some other physical parameters suc…
The floating and sinking of objects on fluid-fluid interfaces occurs in nature and has many important implications in technology. Here, we study the stability of floating self-assembled spheres on an oil-water interface, and how the sphere deposition geometry affects the size limits of the assemblies before they colla…
Problem of obtaining mixtures from bulk materials is of current interest for various industries, thus, analysis of original designs of drum, vibratory and centrifugal continuous mixers is an actual scientific task. Mixers developed in Kemerovo Technological Institute of Food Industry (University) for processing of bul…
Disordered Fe vacancies and superconductivity in potassium-intercalated iron selenide (K2−xFe4+ySe5), Wang, Chih-Han, Chen, Ta-Kun, Chang, Chung-Chieh, Hsu, Chia-Hao, Lee, Yung-Chi, Wang, Ming-Jye, Wu, Phillip M., Wu, Maw-Kuen
We report the observation of the intrinsic magnetic susceptibility of highly purified SWCNT samples prepared by a combination of acid treatment and density gradient ultracentrifugation (DGU). We observed that the diamagnetic susceptibility of SWCNTs increases linearly with increasing nanotube diameter. We found that t…