Materials Literature
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Recently, bimetallic nanostructures have received special interest due to their promising chemical and physical properties. In the literature, various complicated processes have been reported for the preparation of several bimetallic materials in a nanoparticulate shape. In this study, nanofibers, rather than nanopart…
Nowadays renewable and sustainable energy sources are taken in consideration to overcome problems such as energy security and climate change associated with fossil fuel. Drivers for bioenergy technologies development are environmental and socioeconomic politics. Indeed biomass has a carbon neutral life cycle and prom…
In this study, polyester staple fiber core/polyester sheath and polyester staple fiber core/ viscose sheath DREF-3 core yarns were produced using different spinning parameters in order to understand their effect on yarn tensile properties. Yarns of 65 tex linear density were produced using three different core/sheath…
Load-bearing system consisting of thin-walled Z-section beams laterally restrained along the flange by trapezoidal thin steel sheeting is studied. Theoretical study of behavior of a thin-walled beam with open cross-section with lateral restrain is carried out for two variants of gravity load transfer from trapezoidal…
In this paper some of experimentally determined properties related to constructural steels are presented. That way mechanical properties, creep response and fracture toughness of two known constructural steels were determined. Engineering stress-strain diagrams as well as creep curves were determined by uniaxial tests…
The research examines the interaction of dye molecules with their dimers (H aggregates) and the more complex formations (J aggregates) developing in porous glass. The use of porous glass when dealing with dye aggregation has resulted in obtaining photoluminescence dimers of the J aggregating dye, the formation of whic…
It was investigated that effect of the thermal history during the braze-pressure-welding process for the austenitic stainless steel to its sensitization property. The SUS304 austenitic stainless steel pipes were joined using the braze-pressure-welding method with the induction heating. The cleaning metal, or insert me…
散によってぼやかすAG(Anti-Glare)フィルムと反射 光自体を干渉によって低減化するAR(Anti-reflection フィルムとがある。現在,AGフィルムは，液晶ディスプ レイに多く用いられており.
In the present study, degradation properties of the polymer blends films of Poly (lactic acid) (PLA) and Poly (butylene succinate) (PBSU) with different mixed fractions were investigated. Immersion tests in phosphate buffered solution were conducted on the polymer blend films. After 0, 8, 16 and 24 weeks immersion, te…
A preliminary numerical model has been developed as a first step toward the definition of a self-consistent code for both single-channel (ScHc) and multi-channel (McHc) hollow cathodes. The code will be used as a tool for the design process of high-current cathodes for electric propulsion. As first attempt, a time-ind…
Austenitic stainless steel is prone to adhere to tool steels which are used as forming tools. This causes difficulties in the formation of stainless steels. Hard coating on forming tools is a method to diminish adhesion problems. In this work, adhesive behavior of stainless steel was tested against VC coated by thermo…
The small scale biomass combustion devices are responsible for fine aerosol emissions. The particles size distribution and particles number and mass concentrations in the exhaust gas from small scale wood combustion devices were investigated. The control of fine particle emissions was done by novel electrostatic preci…
Plastic slip deformation of a HCP bicrystal is analyzed by a crystal plasticity FE code and distribution of plastic shear strain on the primary and secondary slip systems, as well as some stress components are examined. The constituent crystal are idealized ones and slip deformation on basal, prismatic and pyramidal s…
Uniaxial tensile testing for single crystal silicon (SCS) films was conducted to investigate the fracture mechanism of silicon. The loading axis of the SCS specimens had three main crystallographic orientations, that is <100>, <110>, and <111>, fabricated from one (110) silicon-on-insulator wafer. The dimensions of sp…
The inhibition effect of ethanolamines on zinc in ( HNO3 + HCl ) binary acid mixture has been studied by weight loss method and polarization techniques. Corrosion rate increases with the concentration of acid mixture. The inhibition efficiency (I.E.) of ethanolamines increases with the concentration of inhibitors. Cor…
Mass transfer characteristics of gas diffusion layer (GDL) are closely related to cell performance in polymer electrolyte fuel cell (PEFC). The new type structure GDL (hybrid type GDL), in which two kinds of porous media with different pore size distribution were arranged adjacently, was evaluated as a specimen. Time-…
In microminiaturization of metal injection molding, the use of finer metal powders is one of solutions for improving the dimensional accuracy and surface roughness of sintered products. This study aims to investigate the effects of micro/nano powder ratio on the properties of sintered parts in μ-MIM process. A novel e…
We have investigated phase transitions and internal aggregate structures of a highly dense suspension composed of magnetic plate-like particles with a magnetic moment normal to the particle axis, by means of the Monte Carlo method. In the present study, we have considered a quasi-2D system in order to clarify the infl…
Triacetone triperoxide (TATP), a cyclic peroxide explosive, is frequently used by terrorists and amateur chemists due to the ease of synthesis and the availability of reagents. TATP is extremely sensitive to shock, heat, and friction thus a safe and rapid method for treating TATP is needed. The major objective of this…
Low friction mechanism of hydrogenated Diamond-Like Carbon (a-C:H) was assumed that sp^3 structures were destructed to graphite-like having low shearing strength. However, these structural changes generally occur when a-C:H coating was rubbed during several thousand cycles so-called running-in process. However, long r…