8 articles in this issue
Nikolay Prokopiv,Oleg Kharchenko,Edwin Gevorkyan,Yuriy Gutsalenko
We have established the influence of heating rate of 150, 350 and 600 °C/min, pressure of 8 and 18 MPa, on the compaction process of the reaction mixture Cr2O3–15AlNnano, the hardness and crack resistance of the dense material. The intensity of compacting... see more
Svetlana Zyhulia,Oksana Barauskiene
We have developed a comprehensive technology to strengthen printing cylinders by forming a regular microrelief at the surface followed by chromium-plating.Our research into the influence of comprehensive machining of a printing cylinder on the quality of ... see more
Ann Karakurkchi,Mykola Sakhnenko,Maryna Ved’,Iryna Yermolenko,Sergey Pavlenko,Vadym Yevsieiev,Yaroslav Pavlov,Vladislav Yemanov
Approaches to the use of electrochemical coatings in surface treatment technologies are analyzed. It is shown that directed surface modification allows expanding the functional properties of the treated material, in particular, increasing the strength, we... see more
Valerii Kotok,Vadym Kovalenko
The research is related to the synthesis of electrochromic films of nickel hydroxide with aluminum as a dopant. Films were deposited via cathodic template synthesis in the presence of polyvinyl alcohol from solutions containing 0.01 M Ni(NO3)2 and Al(NO3)... see more
Vadym Stavychenko,Svitlana Purhina,Pavlo Shestakov,Maryna Shevtsova,Lina Smovziuk
The issues of calculation of electrical phenomena in multilayer carbon fiber composite materials are considered. The method for assessing the reliability of composite material models for modeling electrical phenomena in composite structures is proposed. T... see more
Yurianto Yurianto,Pratikto Pratikto,Rudy Soenoko,Wahyono Suprapto
The need for quenched and tempered steel increased, especially for the manufacture of the combat vehicle components. This steel is classified as high-strength and hardness and is bullet-resistant steel (armor steel). Maintaining the stability of steel har... see more
Viktor Aulin,Andrii Hrynkiv,Sergii Lysenko,Aleksandr Dykha,Taras Zamota,Volodymyr Dzyura
Our research into the formation of a functional copper-containing surface layer on parts of automobile engines by using an alignment tribotechnology has established a decrease in the wear of parts during their operation. It was found that the formed coati... see more