| Surface Degradation Behaviour of MgO-Al2O3-TiO2-SiO2
based Glass-Ceramics |
S. Ghosh* and S. Datta
pages : 216-220
DOI : 10.1080/0371750X.2014.893205 |
| Abstract |
| In the present study, the surface degradation behaviour of the MgO-Al2O3-TiO2-SiO2 based glass-ceramic material
was investigated. The phase composition of the glass-ceramics was identified by X-ray diffraction analysis. The
microstructure of the same glass-ceramics was observed by scanning electron microscopy. Corrosion study showed
that the glass in the MgO-Al2O3-TiO2-SiO2 system had better resistance to degradation in boiling water medium
than that observed in boiling HCl and HNO3 solutions whereas the glass-ceramics in the same system was more
resistant to these different corrosive media than the original glass. Glass-ceramics also exhibited higher degradation
resistance in boiling water compared to that noted in boiling HNO3 and HCl solutions. |
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