Test and Analysis of Hydroxyl Group in CVD Synthetic Silica Glass

Ya Nan Jia; Yu Fen Wang; Lan Jian Nie; Zai Kui Xiang; Lei Wang; Fei Xiang Liu; Chuan Dong Rao

doi:10.4028/www.scientific.net/KEM.726.419

Paper Titles

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Analysis of the Test Method of Quartz Glass Optical Homogeneity
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Test and Analysis of Hydroxyl Group in CVD Synthetic Silica Glass
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Flame Temperature Distribution and SiO₂ Particles Distribution in Oxyhydrogen Flame
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The Effects of Surface Treatments, Compression Speeds and Sample Sizes on Compression Load and Strength of Foam Glass
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Determination of Chemical Composition in Zircon-Refractory Material by MLD Method
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Effect of Additives and Carbon Resources on Thermal Shock Resistance of Spinel-C Material
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HomeKey Engineering MaterialsKey Engineering Materials Vol. 726Test and Analysis of Hydroxyl Group in CVD...

Test and Analysis of Hydroxyl Group in CVD Synthetic Silica Glass

Abstract:

Hydroxyl group, as one of the main impurities of CVD synthetic silica glass, affects glass structure and performance. IR absorption spectra of CVD synthetic silica glass prepared with different carrier gases, H₂ and O₂, shows different hydroxyl group distribution, it indicates that carrier gas has an important influence on hydroxyl group distribution. Combined the MAS-NMR testing results with the distribution results, the function of homogenization process has been discussed. The results indicate that: hydroxyl group distribution presents a parabolic figure when H₂ is the carrier gas, while when O₂ is the carrier gas, the distribution presents an inverse parabolic figure; During homogenization process, different structures of hydroxyl group acting with each other, leading to an average distribution of hydroxyl group.

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Periodical:

Key Engineering Materials (Volume 726)

Pages:

419-423

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.726.419

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Online since:

January 2017

Authors:

Ya Nan Jia, Yu Fen Wang, Lan Jian Nie, Zai Kui Xiang, Lei Wang, Fei Xiang Liu, Chuan Dong Rao

Keywords:

CVD Synthetic Silica Glass, Hydroxyl Group Distribution, IR Absorption Spectra, MAS-NMR Method

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