SPECTROSCOPIC INVESTIGATION OF THE INFLUENCE OF ALUMINUM ADDITION ON CHARACTERISTIC FEATURES OF ALKALI BOROSILICATE GLASSES
Keywords:
borosilicate glass, spectroscopy, structure, aluminumAbstract
The influence of aluminum on the structure of alkali borosilicate glasses with various ratios of network former cations and modifier cations has been studied with the use of vibrational spectroscopy. It has been found that addition of modest amounts of aluminum to borosilicate glasses decreases the difference of sodium and potassium distribution between silicon- and boron-containing structural units of the glasses. This fact allows consideration of aluminum as an additive contributory to homogeneity of borosilicate glasses containing both sodium and potassium, as well as increase in thermal and chemical stability of matrix materials based on such glasses.
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