| Titre : |
The effect of chemical treatment on the mechanical and thermal properties of composite materials based on clay reinforced with sawdust |
| Type de document : |
texte imprimé |
| Auteurs : |
Fadhila Mouissa, Auteur ; Azzedine Benyahia, Auteur ; Mokhtar Djehiche, Auteur ; Kamel Belmokre, Auteur ; Nadir Deghfel, Auteur ; Ali Redjem, Auteur ; Zine El Abidine Rahmouni, Auteur |
| Année de publication : |
2021 |
| Article en page(s) : |
11 p. |
| Note générale : |
Bibliogr. |
| Langues : |
Anglais (eng) |
| Catégories : |
Argile
Composites à fibres végétales -- Propriétés mécaniques
Sciure de bois
Thermocinétique
Traitement chimique
|
| Index. décimale : |
620.13 Matériaux de construction : pierre, ciment, béton, liants de |
| Résumé : |
This study investigates the effect of the chemical treatment of sawdust on the mechanical and thermal properties of a clay composite reinforced with sawdust in variable mass proportions: 0.5, 1, 1.5, 2 and 2.5%, intended for use as brick in rural houses in desert areas. The sawdust was chemically treated with 5 wt% NaOH and 0.01 wt% KMnO4 solutions. The mechanical test results of the reinforced composite with alkali-treated sawdust show an increase in flexural and compression strength, reaching a maximum value of 0.89 and 4.85 MPa, respectively. However, the thermal test results show a significant decrease in the thermal conductivity of the sawdust-reinforced composite. The best result recorded is that of untreated sawdust, which has a value of 0.37 (W.m−1.K−1) compared to the one reinforced with treated sawdust. |
| Note de contenu : |
- MATERIALS AND METHODS : Lime - Water - Clay preparation procedures - Chemical treatments of sawdust - Preparation of composites - Measuring apparatuses
- RESULTS AND DISCUSSION : Particle size analysis of clay - Basic chemical composition of clay - X-ray diffractions - Infrared spectroscopy analysis - SEM analysis - Mechanical tests - Thermal properties
- Table 1 : Chemical compositions of the lime
- Table 2 : Chemical composition of the mixing water
- Table 3 : List of abbreviations used
- Table 4 : Chemical compositions of the clay |
| Référence de l'article : |
101 |
| DOI : |
https://doi.org/10.1051/mattech/2021013 |
| En ligne : |
https://www.mattech-journal.org/articles/mattech/pdf/2021/01/mt200032.pdf |
| Format de la ressource électronique : |
pdf |
| Permalink : |
https://e-campus.itech.fr/pmb/opac_css/index.php?lvl=notice_display&id=36125 |
in MATERIAUX & TECHNIQUES > Vol. 109, N° 1 (2021) . - 11 p.
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