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Título : Phase evolution and microstructural characterization of sintered ceramic bodies from contaminated marine sediments
Otros títulos: Evolución de fases y caracterización microestructural de piezas cerámicas sinterizadas obtenidas a partir de sedimentos marinos contaminados
Autor : Romero, Maximina, Andrés, A., Alonso, Rebeca, Viguri, Javier, Rincón López, Jesús María
Palabras clave : Sintering
Electron microscopy
mineral phases
marine sediments
Fecha de publicación : 2009
Editor: Elsevier
Resumen: The 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.
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ISSN: 0955-2219
DOI: 10.1016/j.jeurceramsoc.2008.04.038
Citación : Journal of the European Ceramic Society, 29 ) 15-22 (2009
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