In the African context, where agricultural by-products and natural resources are often underutilized or considered waste or invasive species, this study aims to valorize locally available raw materials through the development of fully bio-based insulating composite materials. The materials were produced using typha, rice husk, residues from threshing millet ears, and cassava starch, through a simple and reproducible process accessible even at an artisanal scale. A total of 25 formulations were created by combining one to three of these raw materials with a natural binder. The resulting composites were characterized. The bulk density of the materials ranged from 198.64 to 361.02 kg/m3, while their thermal conductivity varied between 0.07 and 0.17 W/m·K. These results highlight the strong potential of these bio-based composites for use as thermal insulation in sustainable building applications.
This paper presents the SRIM simulation investigation of energetic particles (electrons, protons, heavy ions…) irradiation. Heavy Ions used are: 36Ar, 78Kr, 136Xe and 238U. The electronic and nuclear energy losses of the incident ions and their course in the target material of silicon was calculated. We studied the stopping power or LET (Linear Energy Transfer), it makes possible to evaluate the actual path and the penetration profiles of the incident ion in the silicon target.
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