Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Firing transformations and properties of tiles from a clay from Burkina Faso
Abstract A clay from Burkina Faso consisting of poorly crystallised kaolinite (66mass %), illite (10mass %) and quartz (13mass %) was used in the production of tiles. The changes during the sintering process were investigated by X-ray diffraction (XRD), dilatometric measurements and scanning electron microscopy (SEM). Mainly metakaolinite, Al-spinel and mullite were formed when the temperature increased to 1100°C. The tiles formed at 1100°C had an acceptable flexural strength value (27.3MPa), a slightly high water absorption value (16.9%) and a linear shrinkage value of 2.5% at 1100°C. Because of its high water absorption value, the clay should be amended with sand, feldspar and talc as fluxing agents to obtain the required tile performances.
Research Highlights ► Chemical and Mineralogical Characterization of a Clayey Raw material from Burkina Faso used in Tiles manufacturing. ► Modifications of the raw material during the Sintering Process. ► Evaluation of technological properties of elaborated tiles.
Firing transformations and properties of tiles from a clay from Burkina Faso
Abstract A clay from Burkina Faso consisting of poorly crystallised kaolinite (66mass %), illite (10mass %) and quartz (13mass %) was used in the production of tiles. The changes during the sintering process were investigated by X-ray diffraction (XRD), dilatometric measurements and scanning electron microscopy (SEM). Mainly metakaolinite, Al-spinel and mullite were formed when the temperature increased to 1100°C. The tiles formed at 1100°C had an acceptable flexural strength value (27.3MPa), a slightly high water absorption value (16.9%) and a linear shrinkage value of 2.5% at 1100°C. Because of its high water absorption value, the clay should be amended with sand, feldspar and talc as fluxing agents to obtain the required tile performances.
Research Highlights ► Chemical and Mineralogical Characterization of a Clayey Raw material from Burkina Faso used in Tiles manufacturing. ► Modifications of the raw material during the Sintering Process. ► Evaluation of technological properties of elaborated tiles.
Firing transformations and properties of tiles from a clay from Burkina Faso
Seynou, Mohamed (Autor:in) / Millogo, Younoussa (Autor:in) / Ouedraogo, Raguilnaba (Autor:in) / Traoré, Karfa (Autor:in) / Tirlocq, Jacques (Autor:in)
Applied Clay Science ; 51 ; 499-502
06.01.2011
4 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
Sintering , Clay , Tiles , Burkina Faso
Firing transformations and properties of tiles from a clay from Burkina Faso
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