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Kovaleva M. G. Deposition of Alumina-titania Nanostructured Coating by a New Multi-chamber Gas-dynamic Accelerator [Електронний ресурс] / M. G. Kovaleva, M. S. Prozorova, M. Yu. Arseenko, M. N. Yapryntsev, K. N. Mamunin, V. V. Sirota, A. Y. Altukhov, E. V. Ageev // Журнал нано- та електронної фізики. - 2016. - Т. 8, № 3. - С. 03018-1-03018-4. - Режим доступу: http://nbuv.gov.ua/UJRN/jnef_2016_8_3_20 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 HV2 and porosity of less than 0,6 % have been prepared by a new multi-chamber gas-dvnamic accelerator.
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