Abstract
Natural fiber composite is the most preferable research area in the modern situation due to its availability, applications, and ecofriendly quality. This study investigates the properties of bamboo, banana, and hemp composite samples, focusing on thermal conductivity, water absorption behavior, tensile strength, flexural strength, and impact strength. Thermal conductivity, a crucial property, was measured using ASTM standards and revealed that composite sample C exhibited lower thermal conductivity (2.42 W/m-K) than samples A and B (2.71 W/m-K and 3.29 W/m-K). Additionally, sample C demonstrated excellent water absorption resistance, absorbing only 11.67 % water after 24 h of immersion, while sample A absorbed 20.25 %, and sample B absorbed 16.98 %. In tensile tests, increasing palm fiber content from 5 % to 15 % resulted in a 12 % increase in tensile strength, with sample C outperforming samples A and B. Flexural strength improved by 55 % with a shift from 5 % to 15 % bamboo weight percentage and a decrease in banana fiber content. Sample C exhibited a 36.24 % and 20 % higher flexural strength than samples A and B, respectively. Impact tests demonstrated that higher palm fiber content increased impact strength by 57 %, with sample C showing a 36.59 % improvement over sample A.
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