Materials Literature
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The influence of nano‐size WS2 powders on the tribological behavior of ta‐C coatings by the filtered cathodic vacuum arc (FCVA) method under boundary lubrication conditions has been investigated. In order to characterize and understand tribological behaviors of nano‐size WS2 powders added to the synthetic oil (poly‐al…
The molecular dynamic simulation of lithium niobate thin films deposited on silicon substrate is carried out by using the dissipative particle dynamics method. The simulation results show that the Si(111) surface is more suitable for the growth of smooth Li Nb O3 thin films compared to the Si(100) surface, and the opt…
Bismuth oxide (Bi 2 O 3 ) and its composites have good electrocatalytic performance. Quartz column is a good kind of catalyst carrier with the characteristics of high mechanical strength and good stability. A novel Bi‐modified quartz column particle electrode (BQP) was prepared by the dipping‐calcination method. The c…
The invention of heart pacemakers in the 50's aims to help patients to overcome heart strokes, which represent the first cause of death worldwide. In Europe and in the USA, more than 3000 pacemakers are implanted every day. Despite the constant evolution of the pacemaker system, the lifetime of the implants is limited…
An experimental investigation on deformation shape of a cylindrical shell with internal medium subjected to lateral contact explosion was carried out briefly. Deformation shapes at different covered width of lateral explosive were recovered experimentally. Based on the experimental results, a corresponding analytical…
The precipitate in ULC-BH steels was analyzed by the phase analysis, the expressions for calculation of solution C content in the ULC-BH steel treated by Ti and Nb was developed. The test result indicates that the BH2 value was improved with the increasing of solution C content. The BH2 value can be improved by enhanc…
Using density functional theory, we investigated the electronic properties of SiC monolayer and tested its catalytic activity toward CO oxidation. The planar nature of a SiC monolayer is found to stable and is a high band gap semiconductor. CO interacts physically with SiC surface, whereas O2 is adsorbed with moderate…
As an eco-friendly alternate to wood the present study investigates the feasibility of panels made of composite sandwich comprising closed-cell polyurethane (PU) foam core and acrylic sheet skins to be used as door in houses. Sandwich samples were fabricated and tested for their maximum compressive strength using univ…
A comparison between temperature-responsive substances 1,1'-((2,5,8,11,14- pentaoxapentadecane-1,15-diyl)bis(2-phenyl-1,3-dioxane-5,5-diyl))bis(2,5,8,11-tetraoxatridecan-13-ol) (1) and PNIPAM on protein extraction revealed that an oligoethylene glycol based small amphiphile 1 and a polymeric material PNIPAM shows diff…
Biocompatible cysteine coated CuS nanoparticles were synthesized by a simple aqueous solution method. Hexagonal phase of the samples were confirmed from X-ray diffraction and particle size found to be 9 nm. The possible interaction between the bioactive cysteine capped CuS nanoparticles and tyrosine were investigated…
Colloidal silica slurry has been widely used in mirror finishing of various microelectronic materials, including Si wafer. However, in the last decade, there has been a tendency to replace the polishing slurry with fixed-abrasive pads because of environmental issues related to the use of slurry and poor finishing surf…
This paper reports a theoretical study of stress distribution and factors that affect Young’s modulus of 2D composite model containing circular fillers under compression loads. The dimension used for the composite model containing 1 filler is (4x4) cm with filler radius of 1 cm. In the case of filler more rigid than m…
The contamination of the EUV optics by resist fragments generated during exposure under high volume manufacturing conditions is a serious threat to the lifetime of the EUV exposure tools. The photon energy of EUV sources largely exceeds the binding energy of all organic molecules and it is known from laser ablation ex…
By means of extensive replica-exchange Monte Carlo simulations of a generic coarse-grained model, we examine systems consisting of up to 11 individual polymer chains with 5 monomers each. The application of microcanonical analysis methods reveals new details about the anatomy of aggregation transitions that were previ…
System-1: PVA-PEO-PEG-AgNO3 and System-2: PVA-PEO-EC-LiCF3SO3, are two blend systems prepared for different concentrations of Al2O3 nano-filler ranging from 2 to 10 wt%. The effect of Al2O3 nano filler on the conductivity (σdc) and dielectric properties such as dielectric constant (ε') and dielectric loss (ε") of the…
Using dispersion corrected density functional theory (DFT+D), the interaction of Vanadium adatom and cluster with divacancy (555-777) defective graphene sheet has been studied elaborately. We explore the prospect of hydrogen storage on V4 cluster adsorbed divacancy graphene system. It has been observed that V4 cluster…
Existing wireless communication interface has free space signal radiation which drastically reduces the received signal strength and hence reduces the throughput efficiency of Hybrid Wired-Wireless Network-on-Chip (WiNoC). This paper addresses the issue of throughput degradation by replacing the wireless layer of WiNo…
In this paper, based on the principle of heat transfer and thermal elastic-plastic theory, the heat treatment process optimization scheme for face gears is proposed according to the structural characteristics of the face gear and material properties of 12Cr2Ni4 steel. To simulate the effect of carburizing and quenchin…
Aluminium sandwiches are interesting subcomponents for lightweight structures applied in rail cars for high speed. A method to realize aluminium sandwiches consists in welding sheets to elementary extruded profiles. Laser welding is the production technology that promises the better features in terms of quality and pr…
STRONGLY SILICEOUS AND FERRUGINEOUS METASOMATITE (BIRBIRITE) FROM THE WEATHERED ZONE OF THE SERPENTYNITE MASSIF IN THE SZKLARY SAPROLITIC NICKEL DEPOSIT IN LOWER SILESIA Abstract. The paper describes strongly siliceous ferruginous metasomatite – birbirite found in two boreholes (Bobolice B2 and B5) located in the sout…