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Characterization of clays from the Foumban region (west Cameroon) and evaluation for refractory brick manufacture

Published online by Cambridge University Press:  04 September 2018

A. Pountouenchi ,
D. Njoya ,
A. Njoya ,
D. Rabibisao ,
J.R. Mache ,
R.F. Yongue ,
D. Njopwouo ,
N. Fagel ,
P. Pilate  and
L. Van Parys
A. Pountouenchi*
Affiliation:
Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, 812, Yaoundé, Cameroon
D. Njoya
Affiliation:
Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, 812, Yaoundé, Cameroon
A. Njoya
Affiliation:
Department of Arts, Technology and Heritage, Institute of Fine Arts of Foumban, University of Dschang 31, Foumban, Cameroon
D. Rabibisao
Affiliation:
Material Department, Higher Polytechnique School, 101, Antananarivo, Madagascar.
J.R. Mache
Affiliation:
MIPROMALO, Yaoundé, Cameroon
R.F. Yongue
Affiliation:
Department of Earth Sciences, University of Yaoundé I, 812, Yaoundé, Cameroon
D. Njopwouo
Affiliation:
Department of Inorganic Chemistry, Faculty of Science, University of Yaoundé I, 812, Yaoundé, Cameroon
N. Fagel
Affiliation:
AGEs, Department of Geology, University of Liege, Allée du six août, 14, Liege, Belgium
P. Pilate
Affiliation:
Belgian Ceramic Research Centre, Governor Cornez avenue 4, 7000, Mons, Belgium
L. Van Parys
Affiliation:
Materials Research Institute, University of Mons, Place du parc 2, 7000, Mons, Belgium
*
*E-mail: apountouenchi@uy1.uninet.cm
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Abstract

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.

Keywords

clayanalysisrefractory materialsoptical microscopychemical propertiesCameroon
Type
Article
Information
Clay Minerals , Volume 53 , Issue 3 , September 2018 , pp. 447 - 457
Copyright
Copyright © Mineralogical Society of Great Britain and Ireland 2018 

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Footnotes

This paper was originally presented during the session: ‘CZ-01 – Clays for ceramics’ of the International Clay Conference 2017.

Guest Associate Editor: Michele Dondi

References

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