Showing papers in "Vacuum in 2017"

TL;DR: In this article, the progress made on p-type and n-type thermoelectric oxides in recent years is presented, and the electronic structure of these oxides is discussed as it plays an important role in determining the thermocorrelated properties.

TL;DR: A comprehensive review of the research work carried out in the direction of usage of lignin-based hydrogel for removal of toxic pollutants including metal ions and dyes can be found in this paper.

TL;DR: In this paper, the authors investigated the hot deformation behaviors of a nickel-based superalloy, and the hot compressive tests were conducted at the deformation temperature range of 920-1040°C and strain rate range of 0.001-1s−1.

TL;DR: In this article, the interaction of amphetamine (AA) drug with the pristine, B, Al, Ga (group IIIA), Si, and Ge (IIV group) doped C60 fullerenes was investigated.

TL;DR: In this article, a brief overview of PMA materials for two important data storage applications, namely perpendicular recording and MRAM, is presented, where the major requirements, challenges and future prospects of these materials for future STT-MRAM devices are discussed.

TL;DR: In this paper, the authors review the recent progress in gelatin based hydrogel nanocomposites with particular emphasis on wastewater treatment along with biomedical applications, and propose a hybrid hydrogels with multifunctional network.

TL;DR: In this article, the influence of initial δ phase (Ni3Nb) on dynamic recrystallization (DRX) behavior was analyzed by analyzing the experimental data, and the DRX kinetics models were constructed by considering the synthetical influences of initial Δ phase, strain rate and deformation temperature.

TL;DR: In this paper, a review on the implementation of alternative energy sources for poly lactic acid (PLA) processing and to populate the current state-of-theart associated with the PLA research, especially application in nanocomposite materials field.

TL;DR: The silver nanoparticles showed the most significant inhibition activity against bacterial strains ( Escherichia coli and Saccharomyces cerevisiae ) in comparison to that activity towards fungal strains.

TL;DR: In this paper, a simple and low-cost method of fabricating transparent wood from beech wood (Fagus grandifolia) while retaining its 3-dimensional structure is presented. But the method is not suitable for the fabrication of building materials.

TL;DR: In this paper, the synthesis of cuprous oxide (Cu2O) by direct current (DC) reactive magnetron sputtering technique has been demonstrated, and the optimal deposition parameters are: Ar:O2 ∼90:10; Ts∼623 K and d.c. power ∼0.6 kV at 1.2 mA/cm2.

TL;DR: In this paper, a stainless steel graded material was successfully fabricated by laser melting deposition technology and the influence of a composition gradient on the microstructure and properties of the as-deposited part was studied.

TL;DR: In this article, the synthesis and characterization of new cellulose acetate-hydroxyapatite membranes for water purification and biomedical applications was reported, which were synthesized from a polymer solution in N, N'-dimethylformamide (12% wt).

TL;DR: In this article, the nano-grains were converted to nanograins to minimize the total energy consumption of the surface layer, and the microstructural evolutions including the grain size distribution and phase transformation were investigated in depth.

TL;DR: A vacuum annealing was conducted on c-plane sapphire substrate in a plasma assisted MBE system prior to the epitaxial growth of β-Ga 2 O 3 film as discussed by the authors.

TL;DR: In this paper, the binding of group 8B transition metals (TMs) on graphene sheet (GS) with hydrogenterminated edges and the adsorption of hydrogen molecules on the pristine and TM-doped GSs were investigated using the density functional theory.

TL;DR: In this paper, the effect of the bonding temperature and bonding time on microstructure and mechanical properties were studied in the range of 850-950°C and showed that the formation of intermetallic compounds was successfully prevented and strong TiA/α-β Ti/Nb/Cu/SS diffusion joints were achieved by inserting a Cu/nb multi-interlayer.

TL;DR: In this article, the influence of absolute pressure in the die cavity on the porosity, microstructure and mechanical properties of die castings was investigated, and it was shown that as the absolute pressure decreases, the average porosity and pore sizes reduce from 4.8% to 2.61% and the tensile strength and elongation is improved markedly.

TL;DR: The phase evolution, microstructure and grain growth of the as-built graded steel were investigated by X-ray diffraction, optical microscopy (OM), and electron back-scatter diffraction (EBSD) as discussed by the authors.

TL;DR: In this paper, the effect of initial grain size on dynamic recrystallization (DRX) behavior of 42CrMo steel was studied by hot compressive tests and cellular automaton simulation.

TL;DR: In this article, the authors apply the first-principles calculations to investigate the correlation between vacancy and the overall performances of RuAl, and three possible vacancies: Al-va, Ru-va and Ru-Al -va are considered.

TL;DR: In this paper, the effects of both the vacuum sintering temperature and time on microstructure and properties evolution of the WC-Fe-Ni-Co cemented carbides were investigated.

TL;DR: In this paper, a multi-layered-stack thermoelectric generator using radio-frequency (RF) magnetron sputtering was constructed using glass substrates and thermal annealing at temperatures ranging from 200 to 400°C.

TL;DR: In this paper, micro-arc oxidation coatings were fabricated on 7E04 aluminum drillpipes materials in Na 2 SiO 3 -NaOH electrolyte system containing 3.0 grams/L SiC particles at different current density (1, 5, 10, 15 and 20 A/dm 2 ).

TL;DR: In this paper, a copper-doped ZnTe buffer layer was incorporated in between CdTe and gold metal contact by high-rate pulsed DC magnetron sputtering.

TL;DR: In this paper, the authors present a complete laboratory setup for surface engineering, describing its components and principle of operation, and providing experimental data on its use for treatment of commercially pure VT1-0 titanium.

TL;DR: The SLM-processed Ti matrix nanocomposite possessed a significantly enhanced tensile strength of 914 MPa due to the formation and uniform dispersion of nanoscale TiC as mentioned in this paper.

TL;DR: In this article, an indium-tin-oxide (ITO) thin film resistance temperature detector (RTD) was fabricated on alumina substrates by RF sputtering.

TL;DR: In this article, a copper based hybrid composites comprising of multiple reinforcements like silicon carbide and multiwalled carbon nanotubes were synthesized via mechanical milling followed by spark plasma sintering.