Showing papers in "Journal of Alloys and Compounds in 2015"

TL;DR: In this article, the authors investigated the evolution of hot deformed microstructures of a typical nickel-based superalloy by isothermal compression tests under the deformation temperature range of 920-1040°C and strain rate range of 0.001-1 s−1.

TL;DR: In this article, a non-crystalline thin films of chalcogenide Cd 50 S 50−x Se x system were obtained by thermal evaporation technique onto a pre-cleaned glass substrate at a vacuum of 8.2 × 10 −4 ǫ.

TL;DR: Grain refinement of cast magnesium alloys, particularly in magnesium-aluminium (Mg-Al) based alloys has been an active research topic in the past two decades, because it has been considered as one of the most effective approaches to simultaneously increase the strength, ductility and formability as discussed by the authors.

TL;DR: In this paper, the grain morphology evolution behaviors of laser-deposition titanium alloy components were investigated via basic study on solidification nucleation and growth mechanisms of the local melt pool during the layer-by-layer deposition process.

TL;DR: In this paper, the authors measured the temperature dependencies of elastic moduli and thermal expansion coefficient of the CoCrFeMnNi alloy over a large temperature range (200 −1270 K).

TL;DR: In this paper, a refractory high-entropy alloy HfNbTaTiZr was successfully rolled at room temperature up to 86.4% reduction in thickness (true thickness strain is −2.3).

TL;DR: In this article, phase composition and microstructure of the alloys were analyzed employing criteria for solid solution/intermetallic phase formation, and the effect of alloys' chemical composition on the volume fraction of constitutive phases was discussed.

TL;DR: In this article, the effects of carbon on microstructures, mechanical properties and twinning activities were investigated in two different temperatures (77 and 293 K) and they found that these materials can be cold rolled and recrystallized to produce a microstructure with equiaxed grains.

TL;DR: In this paper, green synthesized copper oxide (CuO) nanoparticles (NPs) were employed as electrocatalytic materials for the fabrication of counter electrode in dye sensitized solar cells (DSSCs).

TL;DR: In this article, the Ni x Zn (1− x ) Fe 2 O 4 ( x ǫ= 0.8) ferrite nanofibers were synthesized by electrospinning method.

TL;DR: In this article, the authors highlight the importance and applications of core shell quantum dots as well as their surface modifications and applications in the field of medicine and as sensors for chemical and biochemical analysis.

TL;DR: In this article, it was found that a high laser power together with a reasonably low powder feed rate was essential for achieving minimum porosity, and that the build height and geometrical integrity of samples were sensitive to the specified laser nozzle moving step along the specified build height direction (or Z step) with a too big Z step usually leading to a build height smaller than specified height (or under build) and a too small Z step to excessive building (or excess build).

TL;DR: The effect of dilute doping on the structural, optical, and photocatalytic properties of ZnO nanoparticles was investigated by X-ray diffraction (XRD), UV-vis spectrophotometer and photoluminescence (PL) spectroscopy as mentioned in this paper.

TL;DR: In this article, electron backscattered diffraction was used to characterize unique crystal textures formed by selective laser melting of a CoCrMo alloy, and preferred crystallographic orientations were found for individual grains in the solid alloy microstructure.

TL;DR: A facile synthesis method for the formation of ZnO nanoparticles by using a double-phase reaction was demonstrated in this paper, where hydrogen peroxide was used as a unique oxygenic source to promote the formation in the presence of organic zinc precursor.

TL;DR: In this paper, the authors present a review of all the important results obtained in this family, particularly in the last few years, by means of a variety of techniques/measurements such as X-ray diffraction, neutron diffraction and NQR.

TL;DR: In this article, the phase changes in heat treated samples were characterized using X-ray diffraction (XRD) and electron back scattering diffraction(EBSD) using a focused Nd:YAG laser beam.

TL;DR: In this article, the temperature dependence of permittivity in 0.88BaTiO 3 −0.12BMT (0.88BT-0. 12BMT) ceramics was investigated and the maximum energy storage density of 1.81 J/cm 2 was obtained at room temperature.

TL;DR: In this article, a survey of pulsed laser deposited CZTS thin films and their solar cell performance is discussed in detail, as well as perspectives for further developments of PLD for a CzTS-based solar cell absorber layer.

TL;DR: In this paper, high conductivity nanocomposites of molybdenum disulfide (MoS2)/polyaniline (PANI) were prepared via direct intercalation of aniline monomer and doped with dodecyl benzene sulfonic acid (DBSA).

TL;DR: In this paper, a core-shell structured γ -Fe 2 O 3 @C nanorod-carbon sphere composites have been synthesized via a facile hydrothermal method employing FeCl 3 ·6H 2 O as the iron source and d -glucose as the carbon source.

TL;DR: In this article, the effects of chromium amount in anodizing solution on the morphologies, structure, photoabsorption and photoelectrochemical water splitting of the TiO 2 nanotube array film were investigated.

TL;DR: In this paper, phase composition of high entropy alloys is compared with results of thermodynamical modeling of equilibrium phases in the alloys, and possibilities for properties optimization of the AlCrxNbTiV and AlCr15NbV alloys are suggested.

TL;DR: In this article, a series of refractory AlxHfNbTaTiZr high-entropy alloys (HEAs) with an aim to improve strength, and reduce density of the very ductile base alloy Hf NbTa TiZr were developed.

TL;DR: In this paper, a new Johnson-Cook (JC) constitutive model of 7075-T6 aluminum alloy was obtained by modifying the strain rate hardening term in the Johnson-Coughlin model.

TL;DR: In this article, the adsorption behavior of Congo red (CR) from aqueous solution onto the as-prepared polyhedral cuprous oxide nanoparticles (Cu2O NPs) was systematically investigated.

TL;DR: In this paper, the temperature sensitivity of Er3+/Yb3+:CaMoO4 upconversion phosphor is investigated, and its temperature dependent luminescent performance is investigated.

TL;DR: In this paper, the main physical properties of ZnO nanoparticles synthesized by an entirely green physicalchemistral process using Aspalathus linearis's natural extract as an efficient reduction/oxidizing agent are reported.

TL;DR: In this paper, a survey of Ag3PO4-based photocatalytic composites is presented, including metal deposition, cation/anion doping, combining with other semiconductor/carbon materials, immobilized with support materials.