Abstract
In this experimental work, the effect of graphene addition (GPNS) on the sliding wear properties of aluminum (Al) metal powder composite was investigated. A ball milling mixture was used to combine four different amounts of graphene (0, 0.5, 1, and 1.5 wt%) with aluminum metal powder. The powder was compacted using a UTM machine and sintered using an electric muffle furnace. Electron microscopy (SEM), elemental electron dispersion (EDS), and X-ray diffraction (XRD) were used to characterize the microstructure, elements, and phases of sintered Al-GPNs specimens. Mechanical properties were investigated using hardness and density. Sliding wear test against EN-32 Counter disc was conducted using pin and disc wear test. The morphology of sintered composite shows that the addition of graphene makes the microstructure homogeneous. Al-1GPNs sintered composite showed maximum hardness (55Hv) and density (2.56 g/ cm3). The addition of graphene also improved the wear and friction properties, and Al-1GPNs sintered composite exhibited minimum weight loss.
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