Fabrication and properties of Y2O3 transparent ceramic by sintering aid combinations

被引：24
|
作者：
Yan, Dongyue [1 ,2 ]
Xu, Xiaodong [1 ,2 ]
Lu, Hao [1 ,2 ]
Wang, Yuwei [1 ,2 ]
Liu, Peng [1 ,2 ]
Zhang, Jian [1 ,2 ]
机构：
[1] Jiangsu Normal Univ, Sch Phys & Elect Engn, Jiangsu Key Labs Adv Laser Mat & Devices, Xuzhou 221116, Peoples R China
[2] Jiangsu Normal Univ, Jiangsu Collaborat Innovat Ctr Adv Laser Technol, Xuzhou 221116, Peoples R China
来源：
CERAMICS INTERNATIONAL | 2016年 / 42卷 / 15期
关键词：
Y2O3; Microstructure; Grain size; Optical properties; OPTICAL TRANSMITTANCE; LA2O3; ZRO2;
D O I：
10.1016/j.ceramint.2016.07.089
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：
Transparent Y2O3 ceramics were fabricated by the solid-state reaction and vacuum sintering method using La2O3, ZrO2 and Al2O3 as sintering aids. The microstructure of the Y2O3 ceramics sintered from 1550 degrees C to 1800 degrees C for 8 h were analyzed by SEM. The sintering process of the Y2O3 transparent ceramics was optimized. The results showed that when the samples were sintered at 1800 degrees C for 8 h under vacuum, the average grain sizes of the ceramics were about 3.5 Furthermore, the transmittance of Y2O3 ceramic sintered at 1800 degrees C for 8 h was 82.1% at the wavelength around the 1100 nm (1 mm thickness), which was close to its theoretical value. Moreover, the refractive index of the Y2O3 transparent ceramic in the temperature range from 30 degrees C to 400 degrees C were measured by the spectroscopic ellipsometry method. (C) 2016 Elsevier Ltd and Techna Group S.r.l. All rights reserved.
引用
收藏
页码：16640 / 16643
页数：4
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