Abstract
Semi-solid cast 2024 matrix composites reinforced with 1.5, 2.5, and 3.5 wt% Y2O3 particles were developed using vertical muffle furnace equipped with a mechanical stirrer. The composites were successfully developed, and their morphological investigation showed reinforcement particles distribution was fair. The properties of the developed composites improved significantly with an increase in the Y2O3 particles in the alloy. The highest ultimate tensile and yield strengths achieved were 294 MPa and 178 MPa respectively corresponding to the 2024/1.5 wt% Y2O3 composite. 34 and 45% increments in ultimate tensile and yield strengths were achieved for the 2024/1.5 wt% Y2O3 composite compared to the stirred rheocast sample without reinforcement. A decrease in the percentage elongation was observed with an increase in the amount of the yttria particles due to the particle agglomeration and porosity.
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The authors highly acknowledged Welding Lab Research laboratory, Department of Mechanical and Industrial Engineering and Institute Instrumentation Centre, IIT Roorkee, for providing the facilities and support to carry out the research work.
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Lemessa, S.C., Karunakar, D.B. (2020). Characterization and Mechanical Properties of 2024/Y2O3 Composite Developed by Stir Rheocasting. In: Kumar, H., Jain, P. (eds) Recent Advances in Mechanical Engineering. Lecture Notes in Mechanical Engineering. Springer, Singapore. https://doi.org/10.1007/978-981-15-1071-7_37
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