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Showing papers in "Journal of Alloys and Compounds in 2016"


Journal ArticleDOI
TL;DR: In this paper, the development trend of modification on high temperature oxidation resistance of titanium alloys and titanium aluminides in the future is forecasted, including whole alloying modification and surface modification.

325 citations


Journal ArticleDOI
TL;DR: Based on the existing binary phase diagrams with eutectic points, a strategy of designing EHEAs with desired high strength and ductility is proposed in this article, which is composed of a ductile face centered cubic (FCC) phase and a hard Laves phase with fine laminar structures.

318 citations


Journal ArticleDOI
TL;DR: In this article, a selective laser melting (SLM) was used to fabricate samples of titanium-tantalum (TiTa) alloy comprising 50% of each element, which exhibited equiaxed grains of β titanium and tantalum in random orientations.

294 citations


Journal ArticleDOI
TL;DR: In this article, the as-cast microstructures and 1050°C oxidation behaviors of a series of arc-melted Al x (NiCoCrFe) 100-x HEAs where x = 8, 10, 12, 15, 20, and 30 (at.

251 citations


Journal ArticleDOI
TL;DR: In this paper, a review of recent researches on the rare-Earth free Magnesium alloys is presented, and the new strengthening mechanism, such as the solute clustering which was recently observed in Magnesium-Rare-Earth alloys and the other Rare-Earth-free Magnesium systems, is suggested.

246 citations


Journal ArticleDOI
TL;DR: In this paper, the synthesis and the main physical properties of p-type NiO nanoparticles synthesized for the first time by a completely green process using Agathosma betulina plant extract as an effective oxidizing/reducing agent are reported.

223 citations


Journal ArticleDOI
H. Wang1, Huaijun Lin1, Weitong Cai1, L.Z. Ouyang1, M. Zhu1 
TL;DR: In this article, a simple and massive fabrication method was developed to in-situ form multi-valence nano-catalyst in Mg-based hydrides by conventional melting and hydrogenation treatment.

222 citations


Journal ArticleDOI
TL;DR: In this paper, tracer diffusion in CoCrFeNi and CoCr FeMnNi alloys is measured by the radiotracer technique in the temperature range of 1073 −1373 K using the 63 Ni isotope.

219 citations


Journal ArticleDOI
TL;DR: In this paper, a Co/C composites derived from a zeolitic imidazolate framework, ZIF-67, are selected as novel microwave absorbers, which are composed of amorphous carbon frameworks and highly dispersed core-shell Co@graphite nanoparticles.

218 citations


Journal ArticleDOI
TL;DR: In this article, an as-cast AlCoCrFeNi alloy was examined after various heat treatments using XRD, SEM, micro-hardness and compression tests, and it was found that the alloy solidified dendritically with an Al and Ni-rich dendrite core and inter-dendritic regions rich in Co, Cr, and Fe.

216 citations


Journal ArticleDOI
TL;DR: In this article, the influence of the addition of more Se on dielectric properties, opto-electrical parameters and electronic polarizability of amorphous chalcogenide Cd 50 S 50−x Se x thin films was studied.

Journal ArticleDOI
TL;DR: In this paper, the effect of contact time, initial dye concentration, pH and temperature on the adsorption process was investigated, and the equilibrium time was determined to be 300min.

Journal ArticleDOI
TL;DR: In this article, β -Ga 2 O 3 /Si p-n heterojunctions are formed as a deep ultraviolet (UV) solar-blind photodetector, and the corresponding external quantum efficiency is over 1.8 × 10 5 %.

Journal ArticleDOI
Niandu Wu1, Xianguo Liu1, Chengyun Zhao1, Caiyun Cui1, Ailin Xia1 
TL;DR: In this paper, carbon-coated nickel (Ni/C) nanocapsules were prepared by an arc discharge method, where their particles size was adjusted by varying the arc current value from 40 to 100 A.

Journal ArticleDOI
TL;DR: In this paper, the dendritic microstructure, crystal orientation and hot cracking behavior were studied by using optical microscopy, scanning electron microscopy (SEM) and electron backscatter diffraction (EBSD) techniques.

Journal ArticleDOI
TL;DR: In this article, the effects of solution annealing and subsequent aging on shape memory response of Ni-rich Ni50.8Ti49.2 alloys fabricated by Selective Laser Melting were presented.

Journal ArticleDOI
TL;DR: In this paper, selective laser melting (SLM) was employed to fabricate nanostructured TiB2/316L stainless steel nanocomposites with varying nanoscaleTiB2 content.

Journal ArticleDOI
M.I. Sayyed1
TL;DR: In this article, the gamma ray shielding properties of tellurium oxide based quaternary glasses in the system TeO2-B2O3-Bi2O 3-ZnO have been investigated.

Journal ArticleDOI
TL;DR: In this article, a set of CoCrFeNiMn-based high entropy alloys, containing 0, 2.0, 3.4 and 4.8% of carbon, was examined in as-solidified conditions.

Journal ArticleDOI
TL;DR: In this paper, the microstructure and hardness of a powder-bed-type selective laser melted Ti-6Al-4V alloy after post heat treatments at from 300°C to 1020°C were systematically investigated by using optical microscope (OM), scanning electron microscope (SEM), transmission electron microscopy (TEM), and Vickers hardness tester.

Journal ArticleDOI
TL;DR: In this article, a simple thermodynamic criterion is proposed to predict the presence or absence of equilibrium intermetallic phases in a high entropy alloy at a given temperature T. The criterion was verified using 45 currently available HEAs, for which equilibrium phases and respective annealing temperature are reported.

Journal ArticleDOI
TL;DR: In this paper, the authors provide results on the casting, homogenization, and deformation behavior of a new Al-containing refractory high-entropy alloy, namely the equiatomic Nb-Mo-Cr-Ti-Al.

Journal ArticleDOI
TL;DR: An overview of the literature on gas sensing of Co 3 O 4 and its composites can be found in this article, where a review of the gas sensing properties of these composites is presented.

Journal ArticleDOI
TL;DR: In this article, a SiO 2 -coating on cathode materials process is introduced to improve the electrochemical performance and storage property of LiNi 0.8 Co 0.1 O 2.

Journal ArticleDOI
TL;DR: In this article, Nanocrystalline CoCrFeNi high entropy alloy, synthesized by mechanical alloying followed by spark plasma sintering, demonstrated extremely sluggish grain growth even at very high homologous temperature of 0.68 t m (900 °C) for annealing duration of 600h.

Journal ArticleDOI
TL;DR: In this article, the effect of alloying elements on the mechanical properties and corrosion behavior of Zn-1.5Mg alloy were analyzed, and the results showed that the ternary alloys exhibited much higher yield strength (YS), ultimate tensile strength (UTS) and elongation than those of zn- 1.5mg alloy.

Journal ArticleDOI
TL;DR: In this article, an improvement of magnetic properties in Co 2 + substituted Mg Zn nano-ferrites synthesized by co-precipitation route was reported, where a phase transition from superparamagnetic to ferrimagnetic behavior for x ǫ> 0.125 has been observed.

Journal ArticleDOI
TL;DR: In this article, an Ag/CeO 2 nanocomposite photocatalysts were successfully synthesized by facile hydrothermal method which is a new kind of material for photocatalysis degradation of organic pollutants.

Journal ArticleDOI
TL;DR: In this paper, a modified semi-powder method was adopted to fabricate graphene nanoplatelets (GNPs)-copper composites in the present study, and electroless plating improved the mutual disperse of GNPs and the Cu matrix.

Journal ArticleDOI
TL;DR: In this paper, the physical and optical parameters of lithium borate glasses co-doped with Dy 3+ and Pr 3+ have been studied for white LED application, the conventional melt quenching technique is used to prepare the glass samples.