Abstract
This study investigates the effects of copper oxide (CuO) particles on the mechanical and thermal properties of kenaf fibre reinforced epoxy composites, suggesting a new material suitable for structural applications. Comprehensive tests, including Thermogravimetric Investigation (TGA), weakness testing, and Checking Electron Microscopy (SEM), were conducted to evaluate the performance enhancements provided by the incorporation of CuO. The TGA has revealed that CuO particles significantly enhance the thermal stability of the composites. Among the many tests, sample C (6g of CuO) has the highest thermal resistance, retaining 17% of its weight at 500°C, which is higher than the other tests. The fatigue testing demonstrated that the composites exhibited remarkable fatigue resistance, particularly Test C, which maintained a fatigue stress of 14 MPa even after 15,000 cycles, indicating superior durability under cyclic loading circumstances. The SEM study revealed detailed microstructural observations, showing a consistent distribution of CuO particles and strong bonding between the fibres and matrix, which enhance the mechanical performance and resistance to failure.
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