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Registration Number

0215U000508, 0112U001382 , R & D reports

Title

Development of bases forming multicomponent nanostructured superhard coatings with high physical and mechanical properties

Head

Pogrebnjak Alex,

Registration Date

27-02-2015

Organization

Sumy State University

Description

The object of investigation is natural processes and phenomena associated with the nanostructure-based multicomponent films NbN, Nb-Si-N, Nb-Al-N, Ti-Si-N, Ti-Hf-Si-N and TiN-MoN and wear to create protective coatings. Subject of research - the physico-mechanical, phase-structural and substructural tribological properties of the coatings NbN, Nb-Si-N and Nb-Al-N, Ti-Si-N, Ti-Hf-Si-N and TiN-MoN obtained at different physical and technological conditions. Purpose - to study the influence of parameters produce multicomponent nanostructured coatings on their properties, conducting phase-structural coverage analysis, measurement of hardness, elastic modulus and other parameters c theoretical description of the relationships between them using ab initio calculations of molecular dynamics method. In the present paper we present the results of a study of phase-structural state, properties, size of nano-grains, hardness and microstrain in the nanocomposite NbN, Nb-Si-N and Nb-Al-N, Ti-Si-N, Ti-Hf-Si-N and TiN -MoN films. It is found that the films have a biphasic NbN nanocomposite structure consisting of ?-NbN (structure type NaCl), and ?'-NbN. In the case of films, Nb-Si-N, are also formed in the phase ?-NbN, which is enveloped by an amorphous phase Si3N4.

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Багдасарян Артем анатолійович
Гарцунова Лариса Іванівна
Денисова Олена Станіславівна
Журба В'ячеслав Олегович
Каверін Михайло Валерійович
Каверіна Аліса Шер Ахмад
Колотова Ірина Аркадіївна
Кривец Олександр Сергійович
Лісовенко Маргарита Олександрівна
Погребняк Олександр Дмитрович
Постольний Богдан Олександрович
Пшик Олександр Вікторович
Шипиленко Андрій Павлович
Якущенко Иван Володимирович