Densification and Crystallization of Lead Titanate Aerogels

Crack‐free monolithic lead titanate (PbTiO3, or PT) aerogels were prepared via a sol‐gel process and drying in supercritical carbon dioxide. The material was characterized by thermogravimetric analysis, dilatometry, helium pycnometry, and X‐ray diffraction. Skeletal densification was the main reason...

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Bibliographic Details
Published in:Journal of the American Ceramic Society 1997-10, Vol.80 (10), p.2658-2666
Main Authors: Löbmann, Peer, Glaubitt, Walther, Fricke, Jochen
Format: Article
Language:English
Subjects:
Applied sciences
Building materials. Ceramics. Glasses
Ceramic industries
Chemical industry and chemicals
Electrotechnical and electronic ceramics
Exact sciences and technology
Technical ceramics
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Summary:Crack‐free monolithic lead titanate (PbTiO3, or PT) aerogels were prepared via a sol‐gel process and drying in supercritical carbon dioxide. The material was characterized by thermogravimetric analysis, dilatometry, helium pycnometry, and X‐ray diffraction. Skeletal densification was the main reason for the observed shrinkage of the heat‐treated porous material at temperatures
ISSN:0002-7820
1551-2916
DOI:10.1111/j.1151-2916.1997.tb03168.x