Laser synthesis of Al2TiO5 and Y3Al5O12 ceramics from powder mixtures Al2O3-TiO2 and Al2O3-Y2O3-Reference-Cited by-同舟云学术

Laser synthesis of Al2TiO5 and Y3Al5O12 ceramics from powder mixtures Al2O3-TiO2 and Al2O3-Y2O3

Published:2012 Issue:1 Volume:44 Page:17-24
ISSN:0350-820X
Container-title:Science of Sintering
language:en
Short-container-title:SCI SINTER

Author:

Vlasova M.¹,Kakazey M.¹,Coeto Sosa¹,Aguilar Marquez¹,Rosales I.¹,Martinez Escobar¹,Stetsenko V.²,Bykov A.²,Ragulya A.²

Affiliation:

1. Center of Investigation in Engineering and Applied Sciences of the Autonomous University of the State of Morelos (CIICAp-UAEMor), Cuernavaca, Mexico

2. Institute for Problems of Materials Science, National Academy of Sciences of Ukraine, Kiev, Ukraine

Abstract

The phase formation process in the zone of laser irradiation of 60 wt.% Al2O3-40 wt.% TiO2 and 60 wt.% Al2O3- 40 wt.% Y2O3 compacts has been investigated by the XRD, electron microscopy, and atomic force microscopy methods. In the laser irradiation zone the ceramic track is formed. Due to no uniformity of heating of the powder mixture Al2O3-TiO2 the ceramic track consists of a surface layer of the ?-Al2TiO5 and the bulk layer from the ?- Al2TiO5. Ceramic track formed during irradiation of Al2O3-Y2O3 mixture consists of a surface amorphous layer of Y3Al5O12 with inclusions of ?-Al2O3 domains and the bulk layer consisting of a mixture of dendrites ?-Al2O3 and Y3Al5O12.

Publisher

National Library of Serbia

Subject

Materials Chemistry,Metals and Alloys,Condensed Matter Physics,Ceramics and Composites

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