Deposition of Alumina-titania Nanostructured Coating by a New Multi-chamber Gas-dynamic Accelerator

Автори	M.G. Kovaleva², M.S. Prozorova², M.Yu. Arseenko², M.N. Yapryntsev², K.N. Mamunin², V.V. Sirota², A.Y. Altukhov¹ , E.V. Ageev¹
Афіліація	¹ Southwest State University, 94, 50 Let Oktyabrya st., 305040, Kursk, Russia ² Belgorod National Research University, 85, Pobedy st., 308015 Belgorod, Russia
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Випуск	Том 8, Рік 2016, Номер 3
Дати	Одержано 18.05.2016, опубліковано online - 03.10.2016
Цитування	M.G. Kovaleva, M.S. Prozorova, M.Yu. Arseenko, et al., J. Nano- Electron. Phys. 8 No 3, 03018 (2016)
DOI	10.21272/jnep.8(3).03018
PACS Number(s)	68.37.Hk, 68.37.Yz, 62.20.Qp
Ключові слова	Alumina–titania coatings, Multi-chamber gas-dynamic accelerator (2) , Microstructure (21) , Hardness (12) .
Анотація	The aim of the study was to characterize alumina-titania (Al2O3:Ti wt ratio  87:13) coatings were deposited by a new multi-chamber gas-dynamic accelerator on a grit blasted steel substrate. The alumina-titania coatings were characterized using scanning electron microscopy, X-ray diffraction techniques and Vickers hardness tester at a test load 200 g. The coating was well-adhered onto corrosion-resistant steel substrate. Obtained coatings possessed a unique microstructure consisting of fully melted regions with the microstructure similar to a typical thermal sprayed lamellar morphology and areas comprising unmelted or partially melted particles. The dense alumina-titania coatings with hardness of 657 ± 70 HV0.2 and porosity of less than 0.6% have been prepared by a new multi-chamber gas-dynamic accelerator.
	Перелік цитувань Повний текст Переклад англійською

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