A lot of molecular (magnetic) conductors are prepared largely using charge-transfer (CT) salts of donor molecules with acceptor molecules or nonmagnetic or magnetic anions such as metal halides and oxides; their CT salts are usually obtained as bulk crystals, which are used to elucidate the electrical conducting (magnetic) properties. In contrast, a small number of micro/nano-crystals of the mo...

Coatings with a thickness from ~40 to ~50 µm on Ti6Al4V titanium alloy were formed by micro-arc oxidation in silicate-hypophosphite electrolyte additions of graphene oxide. Micro-arc treatment was carried out the anode–cathode mode (50 Hz) ratio anode cathode currents 1:1, total density 20 A/dm2, and duration 30 min. The effect oxide concentration electrolytes thickness, roughness, hardness, su...

In the paper, the Scanning Electron Microscopy (SEM) with Energy Dispersive X-ray Spectroscopy (EDS) and X-ray Photoelectron Spectroscopy (XPS) results of the surface layer formed on pure titanium after plasma electrolytic oxidation (micro arc oxidation) at the voltage of 450 V are shown. As an electrolyte, the mixture of copper nitrate Cu(NO₃)₂ (10-600 g/L) in concentrated phosphoric acid H₃PO...

Micro-arc oxidation (MAO) is very effective to enhance the corrosion performance of Mg alloys. However, micro-pores in MAO coatings provide a channel for medium reach alloy matrix. In this work, electron beam strengthening (EBS) performed improve microstructure and coating prepared subsequently performance. The crystalline size decreases, roughness improves, resistance increases. Furthermore, r...

Abstract The micro-arc oxidation protective film has been prepared on the surface of Mg-9%Gd -2%Y-3%Nd-0.7%Zr alloy by using microarc technique “step step depressurization”. microstructure magnesium substrate and were measured OM, SEM XRD, properties evaluated electrochemical test thickness morphology. results show that discontinuous network multiple eutectic phases are distributed in grain bou...