Journal
JOURNAL OF THE EUROPEAN CERAMIC SOCIETY
Volume 26, Issue 15, Pages 3335-3341Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jeurceramsoc.2005.09.110
Keywords
sintering; mechanical properties; glass; glass-ceramics; structural applications; waste materials; sanidine
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Glass obtained from melting a mixture of industrial wastes (panel glass from dismantled cathode ray tubes, mining residues from feldspar excavation and lime from fume abatement systems of the glass industry) has been employed for the production of sanidine-based glass-ceramics. The glass-ceramics were developed by a sintering treatment with concurrent crystallization, from fine powders (< 37 mu m), at a relatively low temperature (880 degrees C). The enhanced nucleating activity of glass surfaces likely promoted the formation of sanidine, hardly found in glass-ceramics, as the main crystal phase. Due to the achieved mechanical properties (bending strength of about 120 MPa, Vickers' microhardness exceeding 7 GPa) and aesthetic appearance, resulting from a compact and homogeneous microstructure, the obtained sanidine glass-ceramics may find applications as construction materials. (c) 2005 Elsevier Ltd. All rights reserved.
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