alexa Phase Formation in the Region of laser Irradiation of A
ISSN: 2169-0022

Journal of Material Sciences & Engineering
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Research Article

Phase Formation in the Region of laser Irradiation of Al2O3–TiO2–Y2O3Oxide Eutectic Mixtures

Vlasova M1, Márquez Aguilar PA1*, Kakazey M1, Stetsenko V2, Ragulya A2 and Bykov A2

1Center of Investigation in Engineering and Applied Sciences of the Autonomous University of the State of Morelos, Universidad, Cuernavaca, Mexico

2Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Krzhyzhanovsky St, Ukraine

*Corresponding Author:
Marquez Aguilar PA
Center of Investigation in Engineering and Applied Sciences of the Autonomous University of the State of Morelos
Universidad, Cuernavaca, Mexico
E-mail: [email protected]

Received Date: August 26, 2012; Accepted Date: October 11, 2012; Published Date: October 18, 2012

Citation: Vlasova M, Márquez Aguilar PA, Kakazey M, Stetsenko V, Ragulya A, et al. (2012) Phase Formation in the Region of laser Irradiation of Al2O3–TiO2–Y2O3 Oxide Eutectic Mixtures. J Material Sci Eng 1:114. doi: 10.4172/2169-0022.1000114

Copyright: © 2012 Vlasova M, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

The phase formation processes in the zone of directional laser irradiation of compacted Al2O3–TiO2–Y2O3 mixtures have been investigated. It has been established that the formed ceramic material (track) has a complex structure. Its surface layer contains α-Al2O3 as the main phase and Y2Ti2O7 inter layers. With increase in the distance from the surface of the track, the content of α-Al2O3 decreases, and the content of Y2Ti2O7 increases. The volume layers of the track contain Y2Ti2O7 as the main phase and inclusions of Y3Al5O12. The absence of Al2TiO5 or its small content is explained by the decomposition of aluminum titanate into Al2O3 and TiO2 under the conditions of rapid cooling of eutectic melt. Released titanium oxide takes part in the formation of the Y2Ti2O7 phase.

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