Materials Literature
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Based on RLC series circuit of sensor electronic components with nonlinear capacitance research object, the first approximate solution of third superharmonic resonance of the nonlinear vibration system is obtained by means of the method of multiple scales for nonlinear oscillations. The third superharmonic resonance r…
Magnetohydrodynamic pressure drops are one of the main issues for liquid metal blanket in fusion reactors. Minimize the fluid velocity at few millimeters per second is one strategy that can be employed to address the problem. For such low velocities, buoyant forces can effectively contribute to drive the flow and ther…
ω-Alkynylfuran cycloisomerisation on CeO 2 (111)-supported Au clusters with different sizes was explored to unveil the role of the CeO 2 (111) support, including charge transfer effects and interactions.
Porous electrode theory, pioneered by John Newman and collaborators, provides a macroscopic description of battery cycling behavior, rooted in microscopic physical models. Typically, the active materials are described as solid solution particles with transport and surface reactions driven by concentration fields, and…
The possibility of fabricating self-assembled monolayers (SAMs) from alkylphosphonic acids functionalized with trifluoromethyl derivatives of C 60 on a metal oxide surface has been demonstrated in this work. Using several trifluoromethylfullerenes (TMFs) of different compositions and isomeric structures, we explored t…
TiN coatings have been widely studied in order to improve mechanical properties of steels. In this work, thin Ti/TiN films were prepared by plasma based immersion ion implantation and deposition (PBII&D) with a cathodic arc on AISI 1020 steel substrates. Substrates were exposed to the discharge during 1 min in vacuum…
Films on Si(111) were prepared by photo-activated grafting of CH 2 CH(CH 2 ) m (OCH 2 CH 2 ) n OCH 3 ( m = 8, 9; n = 3–7) by using different vacuum conditions. High vacuum produced a higher thickness (40 Å) and <0.8% fibrinogen adsorption (C 10 EG 7 ). Films were stable even after 28 days.
We prove the existence of weak solutions to a one-dimensional initial-boundary value problem for a model system of partial differential equations, which consists of a sub-system of linear elasticity and a nonlinear non-uniformly parabolic equation of second order. To simplify the existence proof of weak solutions in t…
Wettability of composite is one of key to increase mechanical properties of composite that affected by structure of reinforcement and type of resin used. Therefore, this research focused on the effect of orientation, density and surface treatment on fiber to the characteristic of composite’s wettability, which is obse…
Tribological investigations of polymers and polymers with additives, using the SMC-2 device, were showed in the present work. Friction coefficient and contact temperature of sliding friction couples, containing different basic materials (PA66 and POM, with two types of nanoparticles, with five different concentrations…
ABSTRACT
Based on detailed models of interatomic cohesion and the well-developed structural-thermodynamic approach, the interatomic bond energy has been determined for some covalent and metallic crystals and it has been found to agree with experimental data. Using the proposed analytical relationship for the degree of covalenc…
When a continuous film flows on a nonwettable substrate surface, it may break up, with the consequent formation of a dry-patch. The actual shape of the resulting water layer is of great interest in several engineering applications, from in-flight icing simulation to finned dehumidifier behavior modeling. Here, a 2D nu…
In this study, we present an approach for three-dimensional acoustic emission (AE) sensing based on the structure of a liquid-on-piezoresistive beam. The sensor has three piezoresistive beams, covered with silicone droplets, facing three orthogonal directions in order to produce directivity, and to measure three-dimen…
This paper presents the results obtained, deductions made from solidification behaviour and a series of micro structural studies such as pearlite content, eu-tectic cell count and grain size of hypoeutectic gray cast iron which was sand cast (CO2 moulding) using metallic, nonmetallic, water cooled and subzero (cryogen…
In the present study, the effect of 2-phase (Ti3Al) on the wear behavior of the titanium alloys is investigated by adding different amounts of (0.3-0.5%) Fe to the Ti8Al2.5Sn and Ti5Al2.5Sn alloys, which are produced by the mechanical alloying. The pre-formed green compacts were sintered at 1200 C for one hour. The si…
Cold sheet gauge rolling in a tandem mill is used to produce many types of steel, including automotive and high-strength steel sheet.
Combination therapy is preferred over monotherapy to treat cancer as it can show better therapeutic outcomes and also delay the onset of resistance by targeting multiple cell-survival pathways in cancer cells. Rationally developed combinations with monoclonal antibodies and small molecule drugs in the form of antibody…
The coarse-grained model of polyethylene and alkanes (the united-atom model, in which each CH 2 group is represented by a single bead) was proposed several decades ago. It is widely applied in molecular dynamics simulations. For different tasks, the models with different geometrical and force parameters are used. Unti…
This study is to present sodium tungstate and sodium molybdate hollow microspheres–microspheres with three length-to-diameter ratios of 1:1, 3:1, and 10:1. They were excreted by two strains of aquaculture probiotic Gram-negative bacterium, Shewanella sp. and Pandoraea sp. Their morphology is of hollow spherical shape,…