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The role of additives in a complex lithium silicate glass-ceramic

Das, RN and Chandrasekhar, BK and Rao, KJ (1994) The role of additives in a complex lithium silicate glass-ceramic. In: Bulletin of Materials Science, 17 (1). pp. 59-72.

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Abstract

Several glass-ceramic compositions based on lithium silicates have been examined using thermal expansivity, X-ray diffraction, electrical conductivity, electron microscopy and solid state NMR studies. Role of P2O5 in nucleation and of Al2O3 in smoothening expansion behaviour have been particularly highlighted. Magic angle spinning NMR has been used to ascertain presence of Al in tetrahedral positions in the glassy phase

Item Type: Journal Article
Additional Information: Copyright of this article belongs to Indian academy of sciences.
Keywords: Glass-ceramic;lithium silicates;nucleation; minor additives; thermal expansivity;sealing; MASNMR.
Department/Centre: Division of Chemical Sciences > Materials Research Centre
Date Deposited: 16 Apr 2011 12:52
Last Modified: 16 Apr 2011 12:52
URI: http://eprints.iisc.ernet.in/id/eprint/36899

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