MATEC Web of Conferences
Volume 30, 20152015 the 4th International Conference on Material Science and Engineering Technology (ICMSET 2015)
|Number of page(s)||4|
|Section||Advanced materials and properties|
|Published online||04 November 2015|
Deposition and Characterization of the Titanium-Based Coating by a Multi-Chamber Detonation Sprayer
1 Belgorod State National Research University, Pobeda str., 85, Belgorod, 308015, Russia
2 E.O.Paton Electric Welding Institute, NASU, Bozhenko str., 11, Kiev, 03680, Ukraine
3 N.N. Semenov Institute of Chemical Physics, RAS, Kosygin str., 4, Moscow, 119991, Russia
This work introduces some of the aspects of the deposition of titanium-based coating (80-120 μm thick) on aluminium samples using a multi-chamber detonation sprayer (MCDS). The characteristic feature of MCDS is that the powder is accelerated by using combustion products that are formed in MCDS chambers and are converged before entering the nozzle, where they interact with the two-phase gas-powder cloud. The microstructures and properties of the coating were characterized with the use of scanning electronic microscopes (SEM), optical microscope (OM), X-ray Diffraction (XRD) techniques, and Vickers hardness tester with a 50 g test load. Wear tests were carried out using a computer controlled pin-on-disc type tribometer. It was established that MCDS has provided the conditions for formation of a dense titanium-based coating with a porosity of less than 1.0%, microhardness 810±250 HV0.05 and a specific wear rate of 2.077∙10-4 mm3(m∙N)-1.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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