Comparative study of fibers extracted from the stems and roots of the Cameroonian pennissetum purpureum for their applications in compressed earth brick reinforcement and textile engineering

  • Fabien Kenmogne Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, University of Douala, Douala 1872, Cameroon
  • Roger Eno Laboratory E3M, National higher polytechnic School of Douala, The University of Douala, Douala 2701, Cameroon
  • Adoum Danao Adile Department of Industrial Engineering and Maintenance, Polytechnic University of Mongo, Mongo 4377, Chad
  • Blaise Ngwem Bayiha Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, University of Douala, Douala 1872, Cameroon
  • Gilbert Tchemou Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, University of Douala, Douala 1872, Cameroon
  • Martial Nde Ngnihamye Department of Civil Engineering, National Advanced School of Public Works, Yaoundé 510, Cameroon
  • Olivier Lekeufack Tiokeng Department of Physics, Faculty of Sciences, University of Douala, Douala 24157, Cameroon
  • Steven Kevin Donfang Nobisse Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, University of Douala, Douala 1872, Cameroon
  • Emmanuel Yamb Bell Department of Civil Engineering, Advanced Teacher Training College of the Technical Education, University of Douala, Douala 1872, Cameroon
Article ID: 1654
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DOI: https://doi.org/10.59400/mtr.v2i1.1654
Keywords: pennisetum purpureum; stem and root fiber; boiling water extraction; physical and mechanical characterization

Abstract

This work focuses on the extraction and experimental characterization of pennisetum purpureum fibers extracted from stems and roots, harvested in the Batié Kingdom, in the West Region of Cameroon. After extracting fibers using the boiling water technique, they are chemically treated to improve their properties and performance and to facilitate their incorporation into various composite materials. For the physical characterizations, it is measured: the absolute and apparent densities, the linear mass, the water absorption rate, and the diameter via the microscope. The mean values of the diameters and the measure of their frequency distributions are calculated, followed by the statistical analysis using the maximum entropy principle, in order to find the most probable diameter necessary for technological applications. For the mechanical properties, only the tensile tests are performed, with the determination of the young modulus of both the stems and roots. The results thus obtained showed that the fibers of the stems have an absolute density of (1.35 g/cm3), a linear mass of (54.6 tex), an apparent density of (0.45 g/cm3), a water content of (12.73%), an absorption rate of (142.46%), a porosity of (65.91%), a mean diameter of (7 mm), an elastic modulus of (3.98 GPa), a tensile strength of value of (1186.59 MPa) and an elongation of 16.17%, while the root fibers have an absolute density of (1.34 g/cm3), a linear mass (16.76 tex), an apparent density of (0.37845 g/cm3), a water content of (12.25%), an absorption rate of (193.16%), a porosity of (71.92%), a diameter of (4 mm), an elastic modulus of (1.55 GPa), a tensile strength of a value of (1960.35 MPa) and an elongation of 60.6%. Thus, the fibers of the stems have good mechanical properties, which make them an appropriate material in several applications, such as the reinforcement of composite materials.

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Published
2024-06-14
How to Cite
Kenmogne, F., Eno, R., Adile, A. D., Bayiha, B. N., Tchemou, G., Ngnihamye, M. N., Tiokeng, O. L., Nobisse, S. K. D., & Bell, E. Y. (2024). Comparative study of fibers extracted from the stems and roots of the Cameroonian pennissetum purpureum for their applications in compressed earth brick reinforcement and textile engineering. Materials Technology Reports, 2(1), 1654. https://doi.org/10.59400/mtr.v2i1.1654
Issue
Vol. 2 No. 1 (2024)
Section
Article

Copyright (c) 2024 Fabien Kenmogne, Roger Eno, Adoum Danao Adile, Blaise Ngwem Bayiha, Gilbert Tchemou, Martial Nde Ngnihamye, Olivier Lekeufack Tiokeng, Steven Kevin Donfang Nobisse, Emmanuel Yamb Bell

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