Nanoscale surface heterogeneities and glass durability |
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Authors: | Anju SharmaJoseph O Carnali Guillermo M LugoHimanshu Jain |
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Institution: | a Department of Materials Science and Engineering, Lehigh University, 5 East Packer Avenue, Bethlehem, PA 18015-3195, USA b Unilever Research US, Edgewater Laboratory, 45 River Road, Edgewater, NJ 07020, USA |
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Abstract: | The surface of a high quality soda-lime silicate glass is found to be inhomogeneous, consisting of nanometer-high ridges that extend for tens of microns. Exposure to mild and aggressive environments results in an increase in the ridge heights as they dissolve much more slowly than the rest of the glass. The ridges also exhibit enrichment of sodium, magnesium, aluminum and oxygen. The parallel nature of the ridges suggests that they originate from compositional heterogeneity during the glass processing. |
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Keywords: | C160 A245 |
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