Published in Inorganic Materials
Abstract—We have studied the influence of high-energy treatments on changes in the morphology, structure, phase composition, and (as a consequence) hardness of BrA 10 (DIN CuAl10Fe3Mn2) bronze powder particles. It has been shown for the first time that, independent of energy delivery rate during mechanical treatment of the powder, after the deliver...
Published in Inorganic Materials
Abstract—Pr1 –xSrxFe0.8Co0.2O3 (PSFC) (x = 0.3, 0.4) materials and composites based on them are thought to be promising cathode materials for solid oxide fuel cells. The PSFC powders with micron-sized particles were prepared by self-propagating high-temperature synthesis. Zr0.84Y0.16O2 – δ (YSZ) and Ce0.73Gd0.27O2 – δ (GDC) nanopowders were used as...
Published in Inorganic Materials
Abstract—Samples prepared via chemical, thermal, and microwave reduction of graphene oxide have been characterized by elemental analysis, BET measurements, scanning electron microscopy, and IR spectroscopy and tested as supercapacitor electrode materials. A supercapacitor having electrodes from chemically reduced graphene oxide has been shown to ha...
Published in Inorganic Materials
Abstract—To optimize hydrogenation conditions for microcrystalline eutectic alloy with the composition Mg69Al31 (a mixture of magnesium with the γ-Mg17Al12 intermetallic compound), we have studied reactions of 200-μm powder of the alloy with hydrogen and ammonia in the temperature range 100–500°C. We have determined the composition of the reaction ...
Published in Inorganic Materials
Abstract—A lightweight intermetallic alloy containing the ternary phase Al18Ti2Mg3 has been prepared for the first time in the Ti–Al–Mg system by self-propagating high-temperature synthesis. In the binary system Ti–Al, synthesis has been carried out in the thermal explosion regime, whereas in the ternary system Ti–Al–Mg layer-by-layer combustion sy...
Published in Inorganic Materials
Abstract—We examine general aspects of the formation of Ti3SiC2–TiB2–SiC ceramic composites during vacuum carbosilicothermic reduction of titanium oxide mineral raw materials (leucoxene concentrate from the Yaregskoe occurrence) in the presence of B4C as a boron-containing additive, with SiC as a reducing agent. The effect of starting-mixture compo...
Published in Inorganic Materials
Abstract—We have evaluated the polarity and degree of isomorphism in metastable aluminides with the L12 structure resulting from the solidification of superheated aluminum alloys with two transition metals: Al–Sc–Ti (Zr, Hf), Al–Ti–Zr (Hf), and Al–Nb–Ti (Zr). The degree of isomorphism has been shown to depend on the similarity of the dimensional an...
Published in Inorganic Materials
Abstract—TeO2–ZnO–MoO3 glasses containing cobalt(II) ions in the concentration range from 0.035 to 1.2 wt % have been prepared using orthotelluric acid, ammonium heptamolybdate, zinc nitrate, and cobalt(II) nitrate as starting materials. In the wavelength range from 0.42 to 3.0 μm, the transmission spectra of the glasses contain two strong absorpti...
Published in Inorganic Materials
Abstract—This paper presents a detailed study of the molecular structure of preceramic zirconooligocarbosilanes and the visualization and optimization of their geometric structure. Using quantum-chemical calculations, we have identified the most probable structure of the oligomeric zirconocarbosilanes and obtained thermodynamic data for them.
Published in Inorganic Materials
Abstract—We analyze atomic–molecular processes underlying Si and GaAs nanowire growth. The atomic structure of the crystal–melt interface has been shown to lead to poorer wettability of the (111) Si and \documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{...
