Materials Literature
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This study present microfluidic synthesis of functional materials such as highly monodispersed hydrogel, hard sphere, microcapsule, Janus microsphere, or microfiber. The control of multiphase flows in the microfluidic device provides the defined volume of chemical reaction, which is useful methodology for the synthesi…
The usage of advanced high strength steel (AHSS) in automotive body structures is projected to grow significantly in the next 5–10 years with the introduction of new safety and fuel economy regulations. This is due to their superior mechanical properties and weight savings potential. These new materials pose significa…
This paper focuses on engineering application of metal magnetic memory (MMM) method. High-cycle fatigue test were applied to a large number of defect-free samples, and MMM signals were captured before fatigue fracturing. A concept of critical magnetic intensity (Hp) derivative (dHp/dx) of cracking was proposed. To stu…
The temperature rise on suspended MEMS structures during a Si plasma release etch process is investigated experimentally using in situ infrared imaging. The process is performed on a commercially available inductively coupled plasma etch chamber and comprises an anisotropic, Bosch-type Si DRIE step, an O2inhibitor rem…
Optical properties have been studied for a one-dimensional photonic crystal, where the contrast between the impedances of layers is achieved due to the difference not in the real parts but in the imaginary parts of their permittivities. The spectral dependences of the transmission, reflection, and absorption coefficie…
The surfaces of HOPG and Si(111) irradiated with highly charged ions (HCIs) were observed using a secondary electron microscope (SEM) and an atomic force microscope (AFM). The SEM contrast appears between irradiated and unirradiated surfaces when the fluence come to 1013∼1014/cm2, while the fluence of 1015∼1016/cm2 is…
Nano‐sized SiO2 particles were filled with epoxy matrix to prepare the nanocomposites. Nanocomposites were prepared by sol‐gel technique. The effects of SiO2 content between 5–20 wt% were investigated, based on densification, microstructure, mechanical and electrical properties. The SiO2‐Epoxy nanocomposites by the Si…
Conventional anodic aluminum oxide (AAO) process was performed in low electrolytic temperature and high purity aluminum (Al) foil. In this article, pulse reverse voltage was applied to commercial purity (99%) and high purity (99.997%) Al foils at room temperature to form AAO. DC method was also used as a reference. Th…
The electrical, magnetic, and optical properties of the Cu 72 Au 24 Ag 4 ternary alloy in the ordered and disordered states have been studied by the method of severe torsional plastic deformation under pressure in Bridgman anvils. It has been shown that, as a result of this deformation, the residual electrical resisti…
Views Icon Views Article contents Figures & tables Video Audio Supplementary Data Peer Review Share Icon Share Twitter Facebook Reddit LinkedIn Tools Icon Tools Reprints and Permissions Cite Icon Cite Search Site Citation A. E. Nikiforov, N. M. Avram, V. A. Chernyshev, V. P. Volodin, C. N. Avram, M. Vaida; Rare—Earths…
Doped ceria (CeO2) compounds are fluorite related oxides which show oxide ionic conductivity higher than yttria-stabilized zirconia in oxidizing atmosphere. As a consequence of this, considerable interest has been shown in application of these materials for 'intermediate temperature (300- 500℃)' operation of solid oxi…
This work investigates the relative aggressiveness of nitrate solutions at different pH values on mild steel towards stress corrosion cracking (SCC) and general corrosion. Electrochemical behavior and stress corrosion cracking sus-ceptibility measurements were carried out in 52 Wt% ammonium nitrate solutions at 368° K…
In order to improve a critical current density under applied magnetic fields, an addition of BaMO3 (BMO; M=Zr, Sn) nanorods into REBa2Cu3Oy (REBCO) films is actively discussed. Although superconducting properties of the REBCO films are dramatically enhanced by self-assembled BMO nanorods, the growth mechanisms of the…
Adsorption and desorption behaviors of human serum albumin (HSA) on titanium particles were examined as a function of pH. The HSA showed a high affinity-type isotherm with well-defined saturation values, even when HSA had a net charge that was the same type as that of titanium. The saturated amount of HSA adsorbed (Γs…
We describe a light-controlled template-directed reversible DNA photoligation via carbazole tethered 5-carboxyvinyluracil. Carbazole tethered 5-carboxyvinyl-2´-deoxyuridine (CVU)-containing oligodeoxynucleotide (ODN) can be ligated by irradiation at 366 nm in the presence of template ODN, and the ligated ODN can be sp…
Electronic transport in molecular junctions has been studied through measurements of junction thermopower to evaluate the feasibility of thermoelectric (TE) energy generation using organic-inorganic hybrid materials. Energy transport and conversion in these junctions are heavily influenced by transport interactions at…
Ultra-thin superhydrophilic titanium oxide films were fabricated on silicon microchannels by an in situ reaction sol-gel method using titanium tetraisopropoxide as a starting material.. By changing the concentration of water in ethanol and reaction time, the thickness of synthesized TiO2 films can be controlled from a…
Toughness is a critical parameter in all phases of a pipeline service life. There are a variety of toughness testing forms, ranging from relatively inexpensive small-scale laboratory specimens to highly sophisticated full-scale tests. The correlation of physically significant parameters, such as transition temperature…
The influence of thermal annealing on the photoluminescence properties of the ZnSe-core/In2O3-shell nanowires prepared by a two-step process comprising the thermal evaporation of ZnSe powders and the sputter-deposition of In2O3 was investigated. The ZnSe nanowires were a few tens to a few hundreds of nanometers in dia…
We present theoretical and experimental results on negative Poisson's ratio open cell foams, monophase (i.e,only PU core [1]) and multiphase (skeleton core, solvent, magnetorheological particles [2]).Novel generation passive auxetic PU foams have been manufactured, and their compressive properties measured and simulat…