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Title

Use of vitrified urban incinerator waste as raw material for production of sintered glass-ceramics

AuthorsRomero, Maximina; Rincón López, Jesús María; Rawlings, Rees D.; Boccaccini, A. R.
KeywordsGlasses microstructure
Ceramics
X-ray diffraction
Electron microscopy
Issue Date2001
PublisherElsevier
CitationMaterials Research Bulletin 36 (2001) 1-2, 383-395
AbstractThe crystallisation behaviour of vitrified industrial waste (fly ash from domiciliary solid waste incineration) was examined by differential thermal analysis, X-ray diffractometry and scanning electron microscopy. It was demonstrated that powder processing route was required to transform the vitrified industrial waste into glass-ceramics products. Time-Temperature-Transformation (TTT) diagrams were drawn for the two main crystalline phases, diopside and wollastonite. The wollastonite existed in both monoclinic and triclinic forms and an iron-rich phase was also observed at the boundaries between glass particles. The morphology of the crystalline phases and the development of microstructure were observed as a function of heat treatment time and temperature. The optimum heat treatment was 900ºC for 40-50 minutes.
Publisher version (URL)http://dx.doi.org/10.1016/S0025-5408(01)00501-3
URIhttp://hdl.handle.net/10261/21157
DOI10.1016/S0025-5408(01)00501-3
ISSN0025-5408
Appears in Collections:(IETCC) Artículos

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