Materials Literature
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This paper reports on the characterization at a picosecond scale of water dynamics in gel formed during glass alteration by neutron scattering. The water dynamics in gel are compared with the dynamics of water confined in porous silica-based material (MCM41) having pore wall surfaces with Si-OH, Al-OH, or Zr-OH termin…
The crystalline Ti50Cu50 ribbon was prepared by annealing its amorphous counterpart at 773 K, 84 K higher than its crystallization temperature. An equiatomic TiCu intermetallic phase dominated in the matrix coexisting with trace Ti2Cu phase segregated on the grain boundary. A bi-continuous nanoporous copper from tenth…
Poly[2-(methacryloyloxy)ethyltrimethylammonium chloride] (PMETAC) brushes were grafted onto the surface of multiwalled carbon nanotubes (MWCNTs) by surface-initiated atom transfer radical polymerization (ATRP). The coating of the PMETAC modified MWCNTs (MWCNT-PMETAC) was prepared on the copper substrate by a spraying…
In-depth understanding of the effects of actinides in borosilicate glass matrices used for nuclear waste disposal is of great importance for nuclear spent fuel reprocessing cycle and fission products immobilization. This work carried out on ternary simplified glasses (Si, B, Na) doped respectively with 1 mol. % and 3.…
An investigation about the corrosion resistance of SS316L alloys in artificial blood plasma environments in presence and absence of amoxicillin has been carried out by using electrochemical techniques. Tested alloys included 18% Cr, 12% Ni, 2.5% Mo, <0.03 C, balance iron, using artificial blood plasma solution. Electr…
A single-bath electrodeposition method was developed to integrate multilayer Ag/Co nanowires with a commercial anodic alumina oxide (AAO) template with a pore diameter of 100-200 nm. An electrolyte system containing silver nitride and cobalt sulfide was studied using cyclic voltammetry, and the electrodeposition rate…
Foam is a lightweight material suitable for aerospace applications for load bearing structures or noise reduction media. The microstructure of the foam, which is constructed with cell ribs, allows its unique mechanical properties. In this work, commercial polyurethane foams with a pore size on the order of a few hundr…
This work presents positive experimental evidence for the hole traps in ZnO nanorods, which take part in recombination and change the thermal quenching of Cu-related green emission. The evolution of Cu impurity upon annealing, as well as the formation of Cu-related shallow donors with an energy level of ∼0.11 eV are a…
The aim of this study is to investigate the correlation between the hardenability curves and microstructure of a low carbon steel after the pack carburization process. Pack carburization experiments were conducted on 1.5920 steel. Sodium carbonate (Na2CO3) was used as an energizer material during the process. Samples…
New [2 × 2] metallogrids derived from a ditopic ligand with terminal salicylaldimine binding sites giving six-membered chelate rings have been structurally characterised in order to determine the effect of ring size variation on the planarity of the core M4 unit. Both the Zn4 unit of the grid formed from the neutral l…
Milk is mixed with polyvinyl alcohol solution with water as solvent, and the mixed solution is used for fabrication of polyvinyl alcohol-milk nanofibers by the electrospinning.
Yb/Er codoped Gd(OH) 3 was synthesized firstly via a simple hydrothermal treatment of the corresponding nitrate in the presence of alkali by tuning the pH values. The Gd 2 O 3 :Yb/Er nanocrystals were obtained via sintering the corresponding hydroxides precursors. The as-prepared samples were characterized by the typi…
We fabricated the crystallized InGaZnO thin films by sol‐gel process and high‐temperature annealing at 900°C. Prior to the deposition of the InGaZnO, ZnO buffer layers were also coated by sol‐gel process, which was followed by thermal annealing. After the synthesis and annealing of the InGaZnO, the InGaZnO thin film o…
We present a bioprobe for synchrotron X-ray fluorescence imaging based on dendrimer-folate-copper conjugates. The metal nanoclusters within a dendrimer exhibit excellent FR-targeting properties in KB cells. It could be used as a new multifunction bioprobe for synchrotron X-ray fluorescence mapping.
Silicon carbide fiber/silicon carbide matrix (SiC-SiC) composites exhibit remarkable material properties, including high temperature strength and stability under irradiation. These qualities have made SiC-SiC composites extremely desirable for use in advanced nuclear reactor concepts, where higher operating temperatur…
In this study, chemical analysis, pulling, hardness test results and spectral analysis of the different cultivator shares of cultivator producers in Amasya and Çorum provinces were evaluated and test results were compared with relevant Turkish Standards. For experiments, the cultivator shares were choosen randomly fro…
The effect of the electron temperature on both the light absorption and the scattering by metal nanoparticles (MNs) with excitation of the surface plasmon electron vibrations is studied in the framework of the kinetic theory. The formulae for electroconductivity and polarizability tensors are derived for finite temper…
The isothermal section of the phase equilibria diagram of the Ni-Cr-Ta system has been constructed at 1375 K by means of the method of equilibrium alloys and existence of six three-phase equilibria has been established, including γ-Ni + β-Cr + α; β-Cr + α + γ; α + γ + Ni 2 Ta; γ + Ni 2 Ta + μ; μ + γ + NiTa 2 and γ + N…
The dielectric response in Bi4Ti3O12 single crystals was studied at subswitching conditions at relative low temperatures (20–250°C) and frequencies (100 mHz to 10 kHz) both in-plane and out-of-plane. Electron-holes are likely to be the major charge carriers in both orientations although oxygen vacancies contribute as…
High-intensity ultrasonication was demonstrated to be facile and efficient for the preparation of water-dispersible poly(vinyl alcohol) functionalized vapor-grown carbon fibres (f-VGCFs). In contrast to multiwalled carbon nanotubes, VGCFs are mechanically strong and not observably shortened or damaged by ultrasonicati…