8 articles in this issue
Valeria Subbotin?,Oleg S?b?l,Valery Belozerov,Alexander Subbotin,Yuliya Smyrnova
The effect of electrolysis conditions with different electrolyte compositions on the growth kinetics, phase-structural state, and hardness of coatings obtained by microarc oxidation (MAO) on the D16 aluminum alloy (base – aluminum, main impurity Cu) was s... see more
Hryhorii Ilchuk,Andrii Kashuba,Ivan Kuno,Sergey Sveleba,Taras Malyi,Roman Petrus,Volodymyr Tsiumra,Ihor Semkiv
Monocrystals (N(CH3)4)2MnCl4 were grown from an aqueous solution of salts by slow evaporation at room temperature. The effect of phase transitions on the behavior of photoluminescence spectra, as well as excitation spectra and time of attenuation of the g... see more
Vadym Kovalenko,Valerii Kotok
Nickel hydroxide is widely used in supercapacitors, alkaline batteries, for the electrocatalytic oxidation of organic contaminants, etc. Due to their electrochemical activity, Ni(OH)2 (a+ß) samples of a layer structure synthesized in a slit diaphragm elec... see more
Serhii Pozdieiev,Oleksandr Nuianzin,Olena Borsuk,Oksana Binetska,Andrii Shvydenko,Bogdan Alimov
The value of the thermal conductivity coefficient depending on the temperature of the samples of steel rod fragments with fire-retardant cladding has been determined in the present research.The thermal conductivity coefficient of mineral wool fire-retarda... see more
Pavlo Prysyazhnyuk,Liubomyr Shlapak,Olexandr Ivanov,Sergiy Korniy,Lyubomyr Lutsak,Myroslav Burda,Iryna Hnatenko,Vasyl Yurkiv
This paper reports a study into the formation of the phase composition, structure, and properties of arc welding coatings by the flux-cored electrode materials from the Fe-Mo-B-C system. The welding alloys were applied using the flux-cored arc welding (FC... see more
Bogdan Demchyna,Mykhailo Surmai,Roman Tkach,Vasylyna Hula,Roman Kozak
The study of glass multilayer columns made of ordinary glass using triplexing technology. The main disadvantage of using ordinary glass is the fragile nature of its destruction, it breaks instantly. To avoid this effect, triplexing technology is used: the... see more
Vladimir Yefanov,Oleksandr Ovchynnykov,Oleksandr Dzhuhan,Ihor Petrik,Dmytro Raspornia,Oleksii Kapustian,Yehor Saprykin
This paper reports studying the effect of such highly active, surface-active modifying elements as Y, Hf, and La on the structure and properties of the Ni–Cr–Al system's consumable cathodes, which are used to apply heat-resistant coatings onto the gas-tur... see more