期刊
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
卷 30, 期 16, 页码 3331-3337出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2010.08.006
关键词
YAG; SPS; Optical transparency; LiF additive
资金
- Israel Ministry of Science [3-3429]
Nano-size YAG powder co-mixed with 0.25 wt.% LiF was used to fabricate transparent polycrystalline YAG specimens by means of the Spark Plasma Sintering (SPS) technique. The presence of the LiF additive in the initial nano-powder allows obtaining fully dense disc shaped (up to 4 trim thick) transparent specimens at the outcome of a 2 h treatment at 1300 C. The presence of LiF plays a key role in the mass transport related effects during the densification of YAG to full density and also in the elimination of the residual carbon contamination, allowing reaching a level of optical transmittance close to the theoretical value. (c) 2010 Elsevier Ltd. All rights reserved.
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