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Registration Number

0219U003638, 0116U000853 , R & D reports

Title

Development of scientific bases of structural engineering, vacuum plasma multilayer superhard coatings.

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Head

Vitaly Dmitryk, Доктор технічних наук

Registration Date

07-02-2019

Organization

The Kharkov state polytechnical university

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Object of research - fundamental processes of structural condition formation and the possibility of directional change depending on the preparation conditions and post-condensation thermal radiation treatment. The aim of the work - to establish the main factors of influence on the structural state and the physical and mechanical properties of nano-layer multi-period nitride coatings based on transition metals.Research methods - scanning and transmission electron microscopy of high-resolution, X-ray diffraction methods, X-ray fluorescence elemental analysis, measuring the strength and electrical properties. Using methods of elemental analysis, X - ray diffraction studies and microhardness measurements that are required for complex research according to the scheme: composition - structure - properties, the possibilities of structural engineering of multilayer TiN - Cu / (Al - Nb - Ti - Mo - V - Cr) N coatings were investigated. It was established that the introduction of the second layer from the high-entropy alloy, even with a small relative content of the constituent elements (up to 1 mass%), is accompanied by the formation of a phase based on the fcc lattice of the solid solution. The transition from single layer TiN - Cu coatings to the TiN - Cu / (Al-Nb-Ti-Mo-V-Cr)N multilayer system is accompanied by an increase in the relative nitrogen content in the coating and an increase in hardness reaching 24.5 GPa.

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Білозеров Валерій Володимирович
Волков Олег Олексійович
Вуєць Олександр Євгенович
Звягольський Олександр Васильович
Зозуля Едуард Володимирович
Князєв Сергій Анатолійович
Колупаєв Ігор Миколайович
Кривобок Наталія Анатоліївна
Мейлехов Андрій Олександрович
Постельник Ганна Олександрівна
Соболь Олег Валентинович
Терлецький Олександр Семенович
Федоренко Ганна Анатоліївна
Шевченко Світлана Михайлівна