Evaluation of mechanical properties of biocomposites treated with date palm fiber
Journal of Engineered Fibers and Fabrics(2023)
Abstract
The utilization of environmentally friendly composite materials for building insulation offers a practical solution to reducing energy consumption. This study explores the application of novel biocomposites, comprising cement, sand, treated (DPFT) and raw (DPF) date palm fibers and their influence on the thermal and mechanical properties of mortars. The samples were prepared with varying weight percentages of date palm fibers (0%- 20%), treated with NaOH, and possessing a fiber length of 7 mm. Water absorption, density, resistance to bending and compression, thermal conductivity and diffusivity were encompassed. The results indicate that incorporating treated fibers has a beneficial effect on the thermal and mechanical properties of the composite when compared to using raw fibers. Additionally, higher proportions of DPF lead to decreased thermal conductivity, diffusivity, and resistance to bending and compression, highlighting the positive impact of DPFT on the composite's thermal and mechanical attributes. Notably, the treated fiber composite significantly enhances the insulation capacity of the mortar.
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Key words
Bio-composite,thermal diffusivity,date palm fibers,mortar,thermal conductivity,mechanical properties
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