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The aging of silicate glass surfaces in humid air |
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| Authors: | Margaret M Curtin Carter N Stewart McIntyre Hubert W King Allan R Pratt |
| Institution: | a Surface Science Western, Western Science Centre, University of Western Ontario, London, Ont., Canada N6A 3K7 b Department of Material Engineering, University of Western Ontario, London, Ont., Canada N6A 3K7 |
| Abstract: | Slicate glass surfaces were observed over several weeks in normally humid laboratory air by atomic force microscopy. Auger spectroscopy and lateral force microscopy measurements were also made. Samples in the study include; vitreous quartz, bulk insulation glass, bulk and fibrous textile e-glass, and bulk container glass. Various features developed on these surfaces are consistent with patterns seen in crystal growth from supersaturated solution. Auger spectroscopy reveals the presence of chemically bound carbon and supports the hypothesis that these crystals are alkali and alkali earth carbonate species. The presence of these crystals is expected to affect the bonding of a coating to silicate surfaces. |
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