Studies on synthesis and sintering of cordierite

Synthesis of cordierite powders has been performed via sol-gel routes using alkoxide precursors and salts. 29Si nuclear magnetic resonance measurements allow the modification of silicon tetraorthosilicate by the hydration water molecules of the aluminium and magnesium salts used in the elaboration p...

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Bibliographic Details
Published in:Materials science & engineering. A, Structural materials : properties, microstructure and processing Structural materials : properties, microstructure and processing, 1989-03, Vol.109, p.253-259
Main Authors: Broudic, J.C., Vilminot, S., Bernier, J.C.
Format: Article
Language:English
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Summary:Synthesis of cordierite powders has been performed via sol-gel routes using alkoxide precursors and salts. 29Si nuclear magnetic resonance measurements allow the modification of silicon tetraorthosilicate by the hydration water molecules of the aluminium and magnesium salts used in the elaboration process to be followed. The powder characteristics have been followed by X-ray diffraction, granulometric and specific area measurements. Quasi-isothermal dilatometry leads to the conclusion that sintering proceeds through a viscous flow mechanism.
ISSN:0921-5093
1873-4936
DOI:10.1016/0921-5093(89)90596-0