Laser Synthesis of Al2TiO5 and Y3Al5O12 Ceramics from Powder Mixtures Al2O3-TiO2 and Al2O3-Y2O3

被引：5
|
作者：
Vlasova, M. [1 ]
Kakazey, M. [1 ]
Sosa Coeto, B. [1 ]
Marquez Aguilar, P. A. [1 ]
Rosales, I. [1 ]
Escobar Martinez, A. [1 ]
Stetsenko, V. [2 ]
Bykov, A. [2 ]
Ragulya, A. [2 ]
机构：
[1] Autonomous Univ State Morelos CIICAp UAEMor, Ctr Invest Engn & Appl Sci, Cuernavaca 1001, Morelos, Mexico
[2] Natl Acad Sci Ukraine, Inst Problems Mat Sci, Kiev, Ukraine
来源：
SCIENCE OF SINTERING | 2012年 / 44卷 / 01期
关键词：
Al2O3; TiO2; Y2O3; Laser treatment; alpha-; beta-Al2TiO5; alpha-Al2O3; Y3Al5O12; DIRECTIONAL SOLIDIFICATION; LUMINESCENT PROPERTIES; PHOSPHORS; SYSTEM; MICROSTRUCTURE; DECOMPOSITION; BETA-AL2TIO5; TEMPERATURE; COMPOSITES;
D O I：
10.2298/SOS1201017V
中图分类号：
TQ174 [陶瓷工业]; TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
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 alpha-Al2TiO5 and the bulk layer from the beta-Al2TiO5. Ceramic track formed during irradiation of Al2O3-Y2O3 mixture consists of a surface amorphous layer of Y3Al5O12 with inclusions of alpha-Al2O3 domains and the bulk layer consisting of a mixture of dendrites alpha-Al2O3 and Y3Al5O12.
引用
收藏
页码：17 / 24
页数：8
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