[en] Three clayey materials named MY3, KK and KG originating from the Foumban region (west Cameroon) were analysed to determine their granulometry, plasticity, major-element chemistry and mineralogy. Dilatometric and ceramic behaviour were also investigated. Clays were shaped by uniaxial pressing in a steel mould. Shaped samples were heated at 1300, 1400 and 1500°C. The end products were characterized in terms of their density, porosity and compressive strength. Raw materials differ in terms of their mineralogical composition, grain-size distribution, Al2O3 content and the nature and abundance of impurities inducing specific thermal behaviour during dilatometric analysis and sintering tests. The final material properties may be related to the main features of the raw materials used.
Disciplines :
Materials science & engineering
Author, co-author :
Pountouenchi, A.; Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé i, Yaoundé, Cameroon
Njoya, D.; Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé i, Yaoundé, Cameroon
Njoya, A.; Department of Arts, Technology and Heritage, Institute of Fine Arts of Foumban, University of Dschang 31, Foumban, Cameroon
Rabibisao, D.; Material Department, Higher Polytechnique School, Antananarivo, Madagascar
Mache, J.R.; MIPROMALO, Yaoundé, Cameroon
Yongue, R.F.; Department of Earth Sciences, University of Yaoundé i, Yaoundé, Cameroon
Njopwouo, D.; Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé i, Yaoundé, Cameroon
Fagel, N.; AGEs, Department of Geology, University of Liege, Liege, Belgium
Pilate, P.; Belgian Ceramic Research Centre, Mons, Belgium
VanParys, Laurent ; Université de Mons - UMONS > Faculté Polytechniqu > Service de Génie civil et Mécanique des Structures
Language :
English
Title :
Characterization of clays from the Foumban region (west Cameroon) and evaluation for refractory brick manufacture
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