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Evaluation of Superconducting Properties and Diffusion Behavior of Ex Situ and In Situ Bulk MgB2 Materials with Ni Coating
(JOURNAL OF SUPERCONDUCTIVITY AND NOVEL MAGNETISM, 2019)
Ex situ and in situ bulk MgB2 superconducting materials have successfully been produced by the simple amorphous boron and nano-amorphous boron powders with the processes of ball milling, pressing, and annealing. The ...
A detailed research for determination of Bi/Ga partial substitution effect in Bi-2212 superconducting matrix on crucial characteristic features
(JOURNAL OF ALLOYS AND COMPOUNDS, 2019)
This multidisciplinary study paves way to investigate the crucial of fundamental characteristic properties including the bulk density, electrical, superconducting, flux pinning mechanism, crystal structure quality and ...
Evaluation of crystallographic and electrical-superconducting features of Bi-2223 advanced ceramics with vanadium addition
(SPRINGER, 2021)
In the current study, the effect of vanadium particles on the electrical, superconducting, crystallographic, key structural and morphological features of Bi1.8Sr2.0Ca2.2Cu3.0VxOy superconducting materials is examined with ...
Improved transport properties of MgB2 superconducting round wires via minute addition of gold nanoparticles
(ELSEVIER SCI LTD, 2019)
This study investigates the effect of gold nanoparticles (Au-NPs) on structural, morphological, electrical and magnetic properties of Fe/MgB2 wires 1.00 mm in diameter. Au-NPs were obtained by pulsed laser ablation of gold ...
Degradation in fundamental characteristic features of Bi-2212 superconducting ceramic material with Sr/Ti partial substitution
(JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS, 2019)
The present work investigates the vital differentiations in some basic characteristic properties including the crystallinity quality, flux pinning mechanism, superconducting, dc electrical features, grain boundary coupling ...
Effect of vanadium addition on fundamental electrical quantities of Bi-2223 crystal structure and semi-empirical model on structural disorders-defects
(SPRINGER, 2020)
The primary contribution of the present study is to determine the effect of vanadium addition on the fundamental aspects of characteristic crystalline and electrical quantities for the Bi1.8Sr2.0Ca2.2Cu3.0VxOy (0.00 <= x ...
Effect of annealing ambient conditions on crack formation mechanisms of bulk Bi-2212 ceramic systems
(Taylor and Francis Ltd., 2021)
This study paves way to examine the influence of different annealing conditions (temperature range of 830-850°C and duration intervals 24-48 h) on the fundamental mechanical performance and characteristic quantities of ...
Fabrication and characterization of Ni modified TiO2 electrode as anode material for direct methanol fuel cell
(PERGAMON-ELSEVIER SCIENCE LTD, 2020)
Highly ordered porous titanium dioxide nanotube (TiO2-NT) surfaces were prepared with anodization method to obtain a larger specific surface area that plays a very important role in methanol oxidation. In this regard, ...
Mechanical properties and uniformity of Fe-MgB2 wires upon various wire drawing steps
(MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING, 2018)
Effect of drawing process on the mechanical properties and cross-sectional uniformity of Fe/MgB2 mono-filamentary wires were investigated in this study. Successive cold drawing steps were applied with and without intermediate ...
A novel research on the subject of the load-independent microhardness performances of Sr/Ti partial displacement in Bi-2212 ceramics
(SPRINGER, 2020)
This work is interested in the critical changes in the load-independent microhardness performance parameters with the partial substitution of Sr2+ inclusions for the Ti4+ impurities in the Bi-2212 inorganic solids with the ...