Formation of superhard Ti-Hf-Si-N/NbN/Al2O3 multilayer coatings for highly effective protection of steel
A. D. PogrebnyakBelgorod State University, Belgorod, 308015, RussiaВ. М. БересневBelgorod State University, Belgorod, 308015, RussiaA. Sh. KaverinaBelgorod State University, Belgorod, 308015, RussiaA.P. ShypylenkoBelgorod State University, Belgorod, 308015, RussiaО.В. КолисниченкоBelgorod State University, Belgorod, 308015, RussiaK. OyoshiBelgorod State University, Belgorod, 308015, RussiaYoshihiko TakedaBelgorod State University, Belgorod, 308015, RussiaHideyuki MurakamiBelgorod State University, Belgorod, 308015, RussiaД. А. КолесниковBelgorod State University, Belgorod, 308015, RussiaM. ProzorovaBelgorod State University, Belgorod, 308015, Russia
2013en
ABI
Аннотация
Hard micro- and nanostructured Ti-Hf-Si-N/NbN/Al2O3 multilayer coatings on steel substrates have been obtained for the first time using various deposition technologies and characterized by a combination of methods. It is established that the proposed coatings possess, in addition to high hardness (H = 47–56 GPa), high elastic modulus (E = 435–570 GPa), and good plasticity index (W e = 0.08–0.11), a rather low friction coefficient that varies within μ = 0.02–0.001 depending on the deposition conditions. The coatings remain stable at temperatures above 1000°C.
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