Materials Literature
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The authors synthesized of mixed orthophosphates Ca 0.5 Ti 2 (PO 4 ) 3 using concentrated solar radiation. We obtained a porous ceramic filter with the given type of NZP structure and high thermal and hydrolytic stability.
The existing technique of rating the external loads on a helicopter with skid type landing gear according to Airworthiness Standards [1] is analyzed and the results of comparing with design and experimental studies are presented. The main existing problems both in design simulation and the system of requirements to th…
Results of electrical resistivity calculation in melts of systems of lead and gallium with alkali metals are presented. It is shown that the J. Ziman theory of electrical conductivity of metallic melts successfully describes the experimental effects of the electrical resistivity growth during the metal-to-nonmetal pha…
Abstract We have studied the temperature dependence of the photoluminescence (PL) intensity of nano‐size heterostructures ZnTe/CdTe/ZnTe containing self‐organized CdTe quantum dots (QDs) in temperature range 5‐250 K at different intensities of optical excitation. It has been found that the temperature quenching of PL…
Continued growth of the PM industry depends on advances in materials and materials properties, processes, and manufacturing efficiency, MPIF reports. Joe Capus, contributing editor, reviews its new Industry Roadmap.
Mechanical properties and microstructural evolution of an Al-Cu-Mg-Ag alloy during thermal exposure at elevated temperature were characterized by means of tensile tests, scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The tensile test results suggested that tensile strength ( ) and yield…
In order to study synchronous generator's asynchronous operation during loss of field, the Field-Circuit Coupled Time-Stepping Finite Element Model (T-S FEM) is built, in which the saturation of magnetic circuit, magnetic distortion, and harmonic field and so on are considered. The simulation modeling is verified by t…
This paper presents the development of a novel technique for well directed handling of nanowires made of different materials with diameters down to 100nm or less and length up to several ten μms. The presented transfer technique uses an adhesive bond handling approach and is able to bridge any distance between the nan…
With octyl butyl dimethyl ammonium bromide (OBDAB) as accelerant, adsorption kinetics of dyeing silk with three reactive dyes was studied in this paper. As concentration of OBDAB increased, the dye-uptake rate increased. The highest dye-uptake rates of three reactive dyes could reach to 89.40%~98.98% and the concentra…
The electrical characteristic test of nanowires is important in nano-materials research. The metal-semiconductor junction that is fabricated with semiconductor nanowire and metal probe in electrical test system has impact on the test result directly, therefore it's necessary to study I-V characteristics of the metal-s…
We address the cross-effects between mechanical strains and magnetic fields on the plastic response of magnetoelastic amorphous solids. It is well known that plasticity in non-magnetic amorphous solids under external strain γ is dominated by the codimension-1 saddle-node bifurcation in which an eigenvalue of the Hessi…
Abstract Experimental results referring to the influence of stress peening treatment on the metallurgical, surface and mechanical properties, especially the fatigue life of parabolic leaf springs made of two high-strength steels, 52CrMoV4 and 51CrV4, are presented. The tested leaves were manufactured under serial cond…
This paper reports results of experimental study of the influence of shock waves on the structure, ion valence, and phase composition of oxides, including the minerals tenorite (CuO) and hausmannite (Mn 3 O 4 ) and perovskite-structured manganite LaMnO 3 . Shock-wave loading (SWL) was modeled by explosion experiments…
Abstract A solid state metathesis (SSM) reaction was investigated with respect to the formation of rare‐earth carbodiimides, the role of the co‐produced salt (LiCl), and the eutectic flux medium (LiCl/KCl). A SSM reaction is characterized by an exothermic reaction in which a salt (often LiCl) is coproduced. When the s…
When dealing with nuclear reactor calculation schemes, the need for three dimensional (3D) transport-based reference solutions is essential for both validation and optimization purposes. Considering a benchmark problem, this work investigates the potential of discrete ordinates (Sn) transport methods applied to 3D pre…
Simplified treatment of resonance elastic scattering model considering thermal motion of heavy nuclides and the energy dependence of the resonance cross section was implemented into NJOY [1]. In order to solve deterministic slowing down equation considering the effect of up-scattering without iterative calculations, s…
AIM: Cationic ethylphosphatidylcholines (ePCs) were evaluated for the delivery of siRNA in modified breast cancer cells. MATERIALS AND METHODS: Dimyristoleoyl-ePC (C14), dioleoyl-ePC (C18), and dilauroyl-ePC (C12) nanoparticles were complexed with siRNA for green fluorescent protein (GFP) suppression in modified MCF-7…
A concept of the divertor and the technology for organizing the edge plasma in a fusion neutron source based on a spherical tokamak (FNS-ST) are described. The experimental data on the characteristics of the peripheral plasma in modern tokamaks are extrapolated to the FNS-ST conditions with the help of semi-analytical…
We evaluate the influence of the thermally assisted tunneling (TAT) mechanism on charge trapping memory (CTM) cell performance by numerical simulation, and comprehensively analyse the effects of the temperature, trap depth, distribution of trapped charge, gate voltage and parameters of TAT on erasing/programming speed…
Deepwater pipeline systems are regularly designed to operate under high pressure and high temperature (HPHT) conditions. These operating environments typically mean that the systems are susceptible to Euler buckling, more commonly referred to as lateral buckling. An effective design solution, promoted by the SAFEBUCK…