Monitoring of the Porcelain Firing Conditions by Optical Methods

被引：0
|
作者：
Platova, R. A. [1 ]
Rassulov, V. A. [2 ]
Platov, Yu. T. [1 ]
机构：
[1] GV Plekhanov Russian Econ Univ, Moscow, Russia
[2] NM Fedorov All Russia Sci Res Inst Mineral Raw Ma, Moscow, Russia
来源：
GLASS AND CERAMICS | 2018年 / 75卷 / 1-2期
关键词：
porcelain; glaze; whiteness; diffuse reflection spectrum; luminescence; infrared region of the spectrum; LIME-SILICA GLASS; SPECTROSCOPY; SPECIATION;
D O I：
10.1007/s10717-018-0020-y
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：
It is proposed that the redox conditions for firing porcelain be monitored in situ ('on site') according to the reflection spectra in the UV-VIS-NIR region. It is shown that the difference in terms of the color characteristics of glazed porcelain is correlated with reflection at lambda similar to 1100 nm, which depends on the ratio Fe2+/Fe3+ predominantly in the composition of the glaze. It was found that as the intensity of the luminescence band due to the optically active center Fe3+ increases, the reflection coefficient of the glazed porcelain at lambda similar to 1100 nm also increases.
引用
收藏
页码：17 / 21
页数：5
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