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首页> 外文期刊>European Journal of Glass Science and Technology, PartB. Physics and Chemistry of Glasses >Optical emission spectroscopy of iron containing soda-lime-silica glasses
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Optical emission spectroscopy of iron containing soda-lime-silica glasses

机译：含铁钠钙硅玻璃的发射光谱

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摘要

Soda-lime-silica glasses with the base composition 16Na_2O centre dot 10CaO centre dot 74SiO_2 with different iron concentrations have been prepared. They were melted either from Fe_2O_3 or from iron oxalate (strongly reducing) raw materials. They were heated to temperatures of around 1200 deg C, and emission spectra were recorded. These emission spectra were calibrated using black body radiation. The light emission decreased with increasing iron concentration. The temperature gradient formed at the surface of the melt is responsible for this behaviour. The larger the temperature gradient, the more the emission decreases with increasing iron concentration. The emission spectra obtained, were simulated using experimentally determined temperature dependent absorption coefficients and experimentally determined temperature profiles.
机译：制备了具有不同铁浓度的基本组成为16Na_2O中心点10CaO中心点74SiO_2的钠钙硅玻璃。它们是从Fe_2O_3或草酸铁（强烈还原）原料中熔化的。将它们加热到约1200℃的温度，并记录发射光谱。这些发射光谱是使用黑体辐射校准的。发光随着铁浓度的增加而降低。在熔体表面形成的温度梯度是这种行为的原因。温度梯度越大，随着铁浓度的增加，排放量减少的越多。使用实验确定的温度相关吸收系数和实验确定的温度曲线模拟获得的发射光谱。

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