Effect of LiF on the optical transmittance of magnesium aluminate spinel

被引：3

作者：

Li Fahui ^{[1
,2
]}

Lin Hong ^{[1
]}

Li Jianbao ^{[1
,3
]}

Lei Muyun ^{[4
]}

Huang Cunxin ^{[2
]}

Wen Fang ^{[4
]}

机构：

[1] Tsinghua Univ, Dept Mat Sci & Engn, Beijing 100084, Peoples R China

[2] Res Inst Synthet Crystals, Beijing 100018, Peoples R China

[3] Hainan Univ, Sch Mat Sci & Chem Engn, Haikou 570228, Peoples R China

[4] Bright Crystals Technol Inc, Beijing 100018, Peoples R China

来源：

JOURNAL OF WUHAN UNIVERSITY OF TECHNOLOGY-MATERIALS SCIENCE EDITION | 2012年 / 27卷 / 03期

关键词：

transperent ceramics; spinel; liF; sintering aid;

D O I：

10.1007/s11595-012-0497-0

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The effect of LiF as a sintering aid to the optical transparency of magnesium aluminate (MgAl2O4) spinel ceramics is studied. The spinel ceramics is prepared in a process proved to be suitable for commercial production. LiF, in different concentrations ranging from 0-2.5 wt%, is doped into MgAl2O4 powders prepared by sol-gel method. Sample MgAl2O4 ceramic discs are fabricated by ball milling, cold pressing, and hot-pressing, or hot-isostatic-pressing of the powder mixtures. Optical transparency measurements show that, hot-pressed samples exhibit higher transparency when more LiF is added. While for hot-isostatic pressed samples, excessive LiF content leads to a decrease in optical transparency. The optimal LiF doping quantity is suggested for the present technique.

引用

页码：526 / 528

页数：3

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