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Phase evolution and microstructural characterization of sintered ceramic bodies from contaminated marine sediments

Other TitlesEvolución de fases y caracterización microestructural de piezas cerámicas sinterizadas obtenidas a partir de sedimentos marinos contaminados
AuthorsRomero, Maximina; Andrés, A.; Alonso, Rebeca; Viguri, Javier; Rincón López, Jesús María
Electron microscopy
mineral phases
marine sediments
Issue Date2009
CitationJournal of the European Ceramic Society, 29 ) 15-22 (2009
AbstractThe phase evolution during firing of ceramic bodies from three different contaminated marine sediments was investigated as a function of temperature. The mineralogical evolution examined by X-ray diffraction (XRD) revealed that quartz, which is a main crystalline phase in the original marine sediments, remains as a main phase in the sintered bodies. In addition, a glassy phase and new crystalline phases appear as result of different chemical reactions during firing. Scanning electron microscopy (SEM) showed a homogeneous microstructure composed by pores, crystals and a ceramic matrix. Energy X-ray dispersive spectroscopy (EDS) analyses permitted to distinguish the crystalline phases previously identified by XRD and also minor phases, which were not detected in the X-ray diffractograms.
Publisher version (URL)http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6TX0-4T07YV3-4&_user=4225208&_rdoc=1&_fmt=&_orig=search&_sort=d&view=c&_acct=C000048559&_version=1&_urlVersion=0&_userid=4225208&md5=a385bb448e8d991b7000ebbd42d88755
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