The interaction between antimony and strontium in an ADC12 die casting alloy is investigated comprehensively by using a computer aided cooling curve thermal analysis coupled with microstructure inspection. The results of the thermal analysis show significant changes in Al–Si eutectic reaction b...

Until now, the bondes, which represent one of the most important classes of refractory compounds, have not been classified completely.The effect of various factors such as the size, the crystal chemistry, the valency, the electron concentration, the electron structures of the metal and of the bo...

We have discussed the dielectric behavior, phase behavior, microstructure and electrical properties of strontium and titanium induced aluminno-silicate ceramic composite system doped in PVDF (Polyvinyliden fluoride) matrix, with different molar concentration of titanium and strontium salts prepa...

Thin films of SrB6 were deposited on sapphire substrates using a chemical vapor deposition method, with elemental strontium and decaborane, B10H14, used as the strontium and boron sources, respectively. The formation of highly crystalline, phase-pure SrB6 films was confirmed with X-ray diffracti...

Several solvent-free borohydrides of trivalent lanthanides (Nd–Lu) and their composites with LiBH4 have been targeted utilizing mechanochemical synthesis, and physicochemically characterized. Overall, the eight new borohydride phases are reported, which include the two polymorphs of the previou...

The nanoparticles of strontium hexaboride (SrB6) were synthesized by a mechanically induced magnesiothermic combustion in the Mg/B2O3/SrO system. Ignition time in this system was recorded to be 23 min of milling. X-ray diffraction (XRD), X-ray photoelectron spectroscopy (XPS), and high-resolutio...

The coefficients of thermal expansion to the c axis (α‖, α⊥) were measured for lutetium tetraboride over the temperature range 4.2–300 K. The heat capacity data for lutetium tetraboride were used for the calculation of tetraboride phonon spectrum moments and also for the development of a si...

The dissolution kinetics of hydroboracite in water saturated with carbon dioxide were investigated and the effects of particle size, stirring speed, reaction temperature and mineral pre-heating on the dissolution rate have been evaluated. It was found that the dissolution rate increases with inc...

We have studied the mineral hydroboracite CaMg[B3O4(OH)3]2·3H2O using electron microscopy and vibrational spectroscopy. Both tetrahedral and trigonal boron units are observed. The nominal resolution of the Raman spectrometer is of the order of 2 cm−1 and as such is sufficient enough to identify...

We present a modeling framework and discuss the energetics and structural features of the surface terminations of Ca, Ba, Sr and La hexaborides using density functional theory analysis in combination with X-ray photoelectron spectroscopy. There is significant uncertainty in the literature about ...

One of the promising future nuclear energy systems, the Sodium-cooled Fast Reactor (SFR) has been actively developed internationally. Recently, to improve safety and economics of a SFR further, coupling supercritical CO2 power cycle was suggested. However, there can be a chemical reaction betwee...

Anhydrous borax is an important compound because it can be used to produce sodium borohydride which is one of the best chemicals that carry hydrogen and releases hydrogen upon hydrolysis. In this study, a prototype furnace for the production of anhydrous borax is designed and manufactured at Eti...

Solubilities and vapour pressures of water over saturated solutions of sodium tetraborate, sodium carbonate, and magnesium sulfate and freezing-temperature lowerings of sodium tetraborate and sodium carbonate solutions were determined and compared with the literature data. These results permitte...

An apt and a futuristic nonlinear optical material sodium tetraborate pentahydrate (STBPH) was synthesized and grown by the technique of slow evaporation. The structural parameters of the crystal was confirmed by single crystal XRD revealed rhombohedral crystal system. Crystal's broad optic...

In this study, Scotch pine (Pinus sylvestris L.) was used as a woody biomass in the form of sawdust. Hydrothermal conversion of the biomass was carried out in the absence and presence of disodium octaborate tetrahydrate and boric acid at the temperatures of 250, 300 and 350 °C. The effects of t...

Production of anhydrous potassium tetraborate from potassium tetraborate tetrahydrate (PTT) was investigated in a controlled fluidized bed calcinatory (FBC). Single step calcination gives a puffed product with very low bulk density and the calcination of potassium tetraborate tetrahydrate is inc...

The thermal conductive behavior of Zirconium diboride (ZrB2) coated with different proportions nanoalumina (Al2O3) in epoxy composites was investigated by the laser flash experimental and finite element analysis (FEA) methods. The coated ZrB2 composite particles were categorized into the 3-1, 3-...

Two-phase zirconium boride thin films have been obtained by ultra-short pulsed laser ablation (PLA) of a zirconium dodecaboride (ZrB12) target performed in vacuum. The ablation source was a frequency doubled (λ = 527 nm) Nd:glass laser with a pulse duration of 250 fs. Laser induced plasma has b...

ZnO film growth on sapphire and zirconium boride single crystals by the molecular beam epitaxy method was investigated. A Zn metal film could not be grown on sapphire substrates at room temperature, while an incommensurate Zn film could be grown on a zirconium boride substrate. The incommensurat...

The study focuses on investigation of the combustion kinetics and mechanisms, as well as the phase- and structure formation processes, during elemental synthesis of ceramics based on zirconium diboride and silicide doped with aluminum. The effect of the degree of dilution with an inert component...