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Tuning Al2O3 crystallinity under supercritical fluid conditions: Effect on sintering

hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorBOUSQUET, Cathel
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorELISSALDE, Catherine
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorAYMONIER, Cyril
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorMAGLIONE, Mario
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorCANSELL, François
hal.structure.identifierInstitut de Chimie de la Matière Condensée de Bordeaux [ICMCB]
dc.contributor.authorHEINTZ, Jean-Marc
dc.date.issued2008
dc.identifier.issn0955-2219
dc.description.abstractEnSupercritical fluids have been used to prepare alumina powders. This versatile technique allows the tuning of the crystallinity of the obtained powders by a simple modification of the fluid's nature. Amorphous or boehmite alumina could be successfully synthesised using either CO2/Ethanol or H2O/Ethanol, respectively. The two powders present very different sintering paths, which have been correlated to the grain morphology and crystalline state of the powders. We have established that the alumina elaborated in CO2/ethanol exhibited a significant decrease of the γ-Al2O3 → α-Al2O3 transition temperature resulting in a lower densification temperature.
dc.language.isoen
dc.publisherElsevier
dc.title.enTuning Al2O3 crystallinity under supercritical fluid conditions: Effect on sintering
dc.typeArticle de revue
dc.identifier.doi10.1016/j.jeurceramsoc.2007.06.005
dc.subject.halChimie/Matériaux
bordeaux.journalJournal of the European Ceramic Society
bordeaux.page223-228
bordeaux.volume28
bordeaux.issue1
bordeaux.peerReviewedoui
hal.identifierhal-00189707
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-00189707v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Journal%20of%20the%20European%20Ceramic%20Society&rft.date=2008&rft.volume=28&rft.issue=1&rft.spage=223-228&rft.epage=223-228&rft.eissn=0955-2219&rft.issn=0955-2219&rft.au=BOUSQUET,%20Cathel&ELISSALDE,%20Catherine&AYMONIER,%20Cyril&MAGLIONE,%20Mario&CANSELL,%20Fran%C3%A7ois&rft.genre=article


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