Effects of Al2O3 on the Structure and Properties of Aluminoborosilicate Glasses

X.H. Zhang; Y.L. Yue; H.T. Wu

doi:10.4028/www.scientific.net/KEM.538.154

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 538Effects of Al2O3 on the Structure and Properties...

Effects of Al₂O₃ on the Structure and Properties of Aluminoborosilicate Glasses

Abstract:

In alkaline earth aluminoborosilicate glasses CaO-B₂O₃-Al₂O₃-SiO₂, the changes of structure and properties caused by variations in the ratio Al₂O₃/B₂O₃ were investigated. The structure was investigated by Fourier transform infrared spectroscopy. The dielectric constant and tangent loss were measured at 1 MHz. Chemical durability was evaluated by weight losses of glass samples after immersion in HCl and NaOH solutions. The results indicated that the fraction of four-coordinated boron atoms (N₄), chemical durability and dielectric properties increased with increasing Al₂O₃/B₂O₃ replacements.

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Key Engineering Materials (Volume 538)

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154-157

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.538.154

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January 2013

Authors:

X.H. Zhang, Y.L. Yue, H.T. Wu

Keywords:

Aluminoborosilicate Glass, Chemical Durability, Dielectric Property, La₂O₃

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