A robust approach for highly transparent Y2O3 ceramics by stabilizing oxygen defects

被引：22
|
作者：
Jung, Wook Ki [1 ]
Ma, Ho Jin [1 ]
Park, Youngtae [1 ]
Kim, Do Kyung [1 ]
机构：
[1] Korea Adv Inst Sci & Technol, Dept Mat Sci & Engn, 291 Daehak Ro, Daejeon 34141, South Korea
来源：
SCRIPTA MATERIALIA | 2017年 / 137卷
关键词：
Transparent Y2O3 ceramics; Oxygen vacancy; Thermodynamic stabilization; Y2O3/ZrO2 dual powder bed; One-step vacuum sintering; PLASMA-SINTERING SPS; HOT-PRESSING METHOD; OPTICAL-PROPERTIES; YTTRIA CERAMICS; LASER MATERIALS; MGAL2O4; MICROSTRUCTURE; DISCOLORATION; SCINTILLATOR; ALUMINA;
D O I：
10.1016/j.scriptamat.2017.04.036
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Highly transparent Y2O3 ceramics were fabricated suppressing the formation of oxygen vacancies during vacuum sintering for the first time. Oxygen stabilization in transparent Y2O3 ceramics was successfully enabled by additional ZrO2 oxygen source considering thermodynamics. The oxygen-stabilized ceramics approached nearly theoretical transmittance without further post-annealing and hot isostatic presssing. This new approach is potentially applicable for the fabrication of other transparent ceramics. (C) 2017 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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页码：1 / 4
页数：4
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