Materials Literature
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The acoustically-driven collapse of a bubble results from the oscillating position of an ultrasound transducer face in a liquid medium. Existing fully-compressible models of bubble collapse have been applied to represent the Rayleigh collapse and the shock-induced collapse. These applications may not adequately repres…
In this work the effect of pseudo-cation (Mg2+ 1/3Nb5+ 2/3)4+ addition on Ti-site of (Bi0.5Na0.5)0.94Ba0.06TiO3 ceramics, having general formula (Bi,Na)0.94Ba0.06Ti1-x(Mg1/3Nb2/3)xO3 (0 ? x ? 1), on their structural and electrical properties was investigated. These compounds were prepared using a standard high tempera…
The aim of the proceeding is to study the effect of interaction of rectilinear contact cracks and narrow slits for plate bending and on this basis to demonstrate qualitative differences in the concentration of stresses near defects of different nature. The crack is treated as a mathematical cut, the edges of which con…
One of the most recent example of the effort to imitate nature which is the basic approach for the development of science, is the polymeric vesicular systems. The biological applications of the polymeric vesicles produced by the application of self-assembly process of vesicle forming phospholipids which are the buildi…
The self-assembly methods, an inexpensive and high throughput technique capable of producing nanostructure arrays, relies on the formation on a monolayer of self-assembled nanospheres. This paper reports on the formation of large-areas monolayer polystyrene particles ~150 nm in diameter onto monocrystalline Si (100) s…
The paper deals with the molecular-dynamic simulation of the cyclic uniaxial tension of a nano-sized rod. The external action is described as follows: V x = V 0 sin (ωt) . The criterion of the damage beginning (beginning of the crystal structure failure) has been found: there is the critical value of the atomic plane…
Understanding hydrogen embrittlement phenomenon that leads to deterioration of mechanical properties of metallic components is vital for applications involving hydrogen environment. Among these, understanding the influence of hydrogen on the fatigue behaviour of metals is of great interest. Total fatigue life of a mat…
For the membrane and spiral walls of the new USC boilers, the advanced T24 material was developed. In 2010, however, extensive T24 tube weld cracking during the commissioning phase of several newly built boilers was observed. As the dominant root cause, Hydrogen Induced - Stress Corrosion Cracking was reported. An inv…
Impact toughness of samples with three different relative positions of Vnotch and multipass V-butt welded joint at high-strength low-alloy steel S690 are considered in this paper. The aim of this paper is to analyze the influence of material degradation due to welding to impact toughness of samples made of considered…
The aim of the work is to investigate the influence of additional vibration impact on spatial-time inhomogeneity of plastic flow due to the Chernov-Lüders deformation and Portevin-Le Chatelier effect in metals (carbon steel and Al-Mg alloy) during uniaxial tension tests. Experimental data were obtained (diagrams, evol…
Journal of Nano- and Electronic Physics. Scientific journal. ISSN: 2077-6772. Journal abbreviation: J. Nano- Electron. Phys. No page charges. All articles are freely available on-line. Issued 4 times per year. Publisher: Sumy State University. (Sumy, Ukraine)
The aim of this study was to evaluate the effects of silanization conditions on the mechanical properties of the SiC fiber-reinforced resin.
Омский государственный
The silver and zinc addition on the electrochemical performances of the Pb–Ca–Sn Grids were investigated. The corrosion film structure, phase composition and electrochemical performances of Pb − 0.08 wt.% Ca − 1.2 wt.% Sn alloy, Pb − 0.08 wt.% Ca − 1.2 wt.% Sn − 0.03 wt.% Ag alloy and Pb − 0.08wt.% Ca − 1.2 wt.% Sn −…
The results of a comparative investigation of mechanical properties of low-activated 12% chromium ferritic-martensitic steel EK-181 at the temperatures 700–800°C after high-temperature thermomechanical treatment (TMT) and traditional heat treatment (THT) are presented. It is shown that at high temperatures the TMT lea…
The research focusing on the influence of surfactant and nanocellulose type to the emulsion stability of resiprene-35 has been conducted. The prepared emulsion has 30:30:10 ratio of resiprene-35, water, and surfactant, respectively. Emulsion system also contained nanocellulose (NCC and LCNF, both concentration is 1%)…
In this research, the ball mill is used for the preparation of Nano powder from a fly ash material resulted from kufa cement factory for supporting mortar using produced Nano powder as a partial replacement of Portland cement by a weight percentage of (0.25 to l%). The reference mix was made with a cement-to-sand rati…
Dissipative particle dynamics simulations have been applied to study the temperature dependent anchoring and wetting behavior of thermotropic liquid crystals (LCs) in the presence of a rod-coil amphiphilic monolayer at the aqueous-LC interface. Upon cooling in the nematic phase, a thermally-induced anchoring transitio…
The present paper provides an overview of the investigations (involving different liquids) regarding a new technology that is able to generate valuable bio-based products by using the liquid phase from organic municipal waste as raw material. The liquids used in this study were tested and treated in different ways to…
Symmetrical rhombic dodecahedral YAG microcrystals were successfully prepared using improved hydrothermal methods.