Microstructure and optical properties of alumina sintered from various phases

被引：5
|
作者：
Pille, Annika [1 ]
Amamra, Mohamed [1 ]
Kanaev, Andrei [1 ]
Schoenstein, Frederic [1 ]
机构：
[1] Univ Paris 13, Sorbonne Paris Cite, LSPM, CNRS UPR 3407, F-93430 Villetaneuse, France
来源：
CERAMICS INTERNATIONAL | 2019年 / 45卷 / 07期
关键词：
Grain size; Optical properties; Spark plasma sintering; Al2O3; TRANSPARENT ALUMINA; ROOM-TEMPERATURE; HIGH-PRESSURE; PHOTOLUMINESCENCE; ABSORPTION; CORUNDUM; BOEHMITE; OXIDE;
D O I：
10.1016/j.ceramint.2018.10.209
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：
Self-synthesized and commercial alumina (boehmite, gamma-Al2O3, alpha-Al2O3) powders were consolidated using an identical spark plasma sintering cycle, and optically translucent samples were obtained. The benefit of higher pressure is remarkable grain growth suppression. Additionally, the shorter dwell time at higher pressure advantageously leads to a reduction in grain size while conserving the optical transparency and without affecting the density.
引用
收藏
页码：9625 / 9630
页数：6
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