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Title

Improved green strength of ceramics through aqueous gelcasting

AuthorsSantacruz, Isabel ; Baudín de la Lastra, Carmen ; Moreno Botella, Rodrigo María ; Nieto, María Isabel
KeywordsPolysaccharides
Compacts
Gelation
Agarose
Alumina
Issue Date2004
PublisherJohn Wiley & Sons
CitationAdvanced Engineering Materials 6: 672-676+611 (2004)
AbstractAqueous gelcasting of alumina is optimised by preparing concentrated agarose solutions under overpressure conditions. The better dissolution reduces the viscosity and improves the microstructural control leading to green densities higher than 60% of TD. The enhancement of the green strength is not accompanied by a significant increase of the plastic behaviour during fracture for agarose contents < 1 wt.%. Sintered densities > 99% of theoretical are obtained.
URIhttp://hdl.handle.net/10261/97575
DOIhttp://dx.doi.org/10.1002/adem.200400053
Identifiersdoi: 10.1002/adem.200400053
issn: 1438-1656
Appears in Collections:(ICV) Artículos
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