Magnesium borate fibers were prepared by electrospinning technique (and following calcination) from sol–gel precursors, using polyvinyl-pyrrolidone (PVP) as processing aid. Phase-pure fibers of about 6 μm in diameter were obtained by high temperature calcination of the inorganic–organic compo...

Intense visible emissions from dysprosium (Dy3+) ions doped glasses became prospective for diverse technological applications. In this paper, physical, optical and structural properties of magnesium borate glasses doped with varied concentrations of Dy2O3 were examined. Such glasses were synthes...

The influence of different heating rates as well as different atmospheres on magnesium borate fibers produced by electrospinning was investigated in this work. The green fibers were prepared from sol–gel precursors, using polyvinyl-pyrrolidone (PVP) as processing aid. Crystalline fibers with th...

In this paper, dosimetric phosphor; lithium tetraborate (Li2B4O7) which has been synthesized and doped with Cu, Ag transition metals using two different synthesis methods (solution-assisted method and microwave-assisted method) and thermoluminescence characteristics of synthesized lithium tetrab...

Free-volume structure of glassy lithium tetraborate Li2B4O7 is studied as compared with isocompositional crystal using positron annihilation lifetime spectroscopy in mixed positron-trapping and Ps-decaying modes exploring three-term decomposed positron lifetime spectra. The longest-lived lifetim...

Heavy metal containing sludges from wastewater treatment plants of electroplating industries are designated as hazardous waste since their improper disposal pose high risks to environment. In this research, heavy metal containing sludges of electroplating industries in an organized industrial zo...

Pentacoordinated silicon (SiO5) has long been considered as a possible reactive intermediate in bond-swapping reactions in even ambient pressure viscous flow, diffusion, nucleation and crystallization. In this paper, new results are presented for potassium silicate glasses and for two lithium si...

The aim of this study is investigation of brick reproducibility using expanded perlite aggregate as the main raw material. Na-Borate and K-Borate are used as additive material in the production of perlite bricks. Engineering parameters such as weight per unit of volume, mechanical strength of pr...

Characteristics of lithium potassium borate glasses with various copper concentrations are reported. The glasses were prepared by the melt quenching method and irradiated with photons to doses in the 0.5–4.0 Gy range. Glowing curves, dose response curves, reproducibility of the response, dose t...

An organic-inorganic non linear optical (NLO) crystal L-Valine Potassium Penta Borate octa hydrate (LVPPB) single crystals were synthesized and grown by slow evaporation technique at ambient temperature. The single crystal X-Ray diffraction (XRD) analysis portrayed the monoclinic nature of the s...

Sodium potassium borate glasses doped with different concentrations of Sm3+ ions (NKBSm) were prepared using a normal melt quench technique. Optical absorption, excitation, emission and emission decay measurements were performed to understand visible luminescence and lasing potentialities of the...

In this study, binary Fe–V alloys with 0.5, 1, 2, 4, 8, 12, and 16 at.% V were prepared by arc melting technique and then boronized together with pure iron by the pack boronizing method at 1100 °C for 3 h. The characterization of the borided samples was carried out by SEM, SEM–EDS, EPMA, XRD,...

Thermodiffusion coatings (V+B) on steel have been obtained by an initial saturation with V followed by B. The properties of the diffusion layers, namely microstructure, microhardness, and phase composition, have been studied, and the influence of temperature and duration of treatment with V on s...

Vanadium boride seeded YB22C2N were synthesized and the thermoelectric properties investigated. YB22C2N is representative of the series of rare earth borocarbonitrides which is the potential long awaited n-type counterpart to p-type boron carbide. VB2 seeded samples of YB22C2N were prepared usin...

Thermodiffusion coatings containing boron and vanadium (B+V) on AISI 8620 steel have been carried out by an initial boronizing in a salt bath consisting of borax, boric acid and ferro-silicon and followed by saturation with vanadium. The properties of the diffusion layer, namely microstructure, ...

An experimental study on the preparation of various vanadium borides (including V3B2, VB, V5B6, V3B4, V2B3, and VB2) in the V–B system was conducted by self-propagating high-temperature synthesis (SHS) from the elemental powder compacts. Close flame-front velocities and comparable combustion te...

In this research, cobalt-vanadium boride (Co-VB) nanocomposite was synthesized from powder mixture of cobalt oxide (Co3O4), vanadium oxide (V2O5), boron oxide (B2O3) and magnesium (Mg), via high energy ball milling. Regarding the value of adiabatic temperature, Co-VB nanocomposite has a potentia...

Vanadium boride (VB) nanopowder was synthesized by mechanochemical combustion method in a high-energy ball mill. The synthesized powders were analyzed by X-ray diffraction (XRD), differential thermal analysis (DTA), scanning electron microscopy (SEM) and transmission electron microscopy (TEM). T...

A Systematic study of defects and incorporation of xenon (Xe) and zirconium (Zr) fission products in uranium diboride (UB2) has been investigated using density functional theory (DFT) calculations as implemented in Quantum ESPRESSO code. The incorporation and solution energies show that both FPs...

The stability, diffusivity and clustering behaviour of defects in uranium diboride (UB2) was investigated in light of the potential application as a burnable absorber in nuclear fuel. UB2 was found to accommodate limited deviations from stoichiometry, which should be a consideration when manufac...