Experimental investigations on mechanical and tribological behavior of AA7075 reinforced with ceramic particles
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Fly ash coal combustion dust from thermal power plants is one of the world's largest non-hazardous solid wastes. Effectiveutilization of fly ash as a secondary reinforcement in metal matrix composites significantly enhances properties and is highlyappreciable for waste management systems. Present experimental scrutiny primarily spotlights on the mechanical,morphology, and wear behaviour of AA7075/Fly ash composites. The stir casting technique with regular feeding method wasutilized for the fabrication of 4 wt.%, 8 wt.%, 12 wt.%, 16 wt.%, and 20 wt.% fly ash reinforced AMFAR (Aluminum matrixfly ash reinforced composites). Tensile, hardness, and low velocity impact behaviour of the samples, along with the sliding wearand morphology analysis, were carried out to study the material behaviour under different operational conditions. The resultsshow that fly ash as a secondary reinforcement improves the mechanical performance of the samples significantly. At the sametime, 20 wt.% fly ash content exhibits better mechanical, wear performance and reasonable particle distribution. The proposedhybrid composites are preferred for high-strength automobile applications as well as their industrial machine counterparts
Abstract
Fly ash coal combustion dust from thermal power plants is one of the world's largest non-hazardous solid wastes. Effectiveutilization of fly ash as a secondary reinforcement in metal matrix composites significantly enhances properties and is highlyappreciable for waste management systems. Present experimental scrutiny primarily spotlights on the mechanical,morphology, and wear behaviour of AA7075/Fly ash composites. The stir casting technique with regular feeding method wasutilized for the fabrication of 4 wt.%, 8 wt.%, 12 wt.%, 16 wt.%, and 20 wt.% fly ash reinforced AMFAR (Aluminum matrixfly ash reinforced composites). Tensile, hardness, and low velocity impact behaviour of the samples, along with the sliding wearand morphology analysis, were carried out to study the material behaviour under different operational conditions. The resultsshow that fly ash as a secondary reinforcement improves the mechanical performance of the samples significantly. At the sametime, 20 wt.% fly ash content exhibits better mechanical, wear performance and reasonable particle distribution. The proposedhybrid composites are preferred for high-strength automobile applications as well as their industrial machine counterparts
참고문헌 (17)
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