Abstract
The influence of CoCrFeMnNi high-entropy alloy (HEA) particle addition on the microstructure and mechanical properties of the \({\text{Al}}_{6082}\) the composite was examined. Mechanical alloying was used to develop the CoCrFeMnNi HEA, while stir-squeeze casting assisted with an ultrasonic transducer was used to process the \({\text{Al}}_{6082}\) alloy and \({\text{C}}_{{\mathrm{Al}}_{6082}+{\mathrm{HEA}}_{x\mathrm{wt\%}}}\) composites (where, x = 2, 4, 6, 8). The microstructural and morphological investigation was carried out using XRD, EDS, FESEM, and elemental mapping techniques. At the as-cast condition, the hardness, yield strength, and ultimate tensile strength of the \({\text{C}}_{{\text{Al}}_{6082}+{\text{HEA}}_{8{\text{wt}}\%}}\) composite were increased by 28.57%, 79.46%, and 87.931%, respectively, over monolithic alloy, which was associated with a consistent distribution of HEA particles. Furthermore, it possessed the best tensile strength, yield strength, and fracture strain when compared with \({\text{C}}_{{\text{Al}}_{6082}+{\text{HEA}}}\) composites, indicating a better interaction among HEA particles and Al matrix, and a high dislocation density in the Al matrix.
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We author sincerely acknowledge the support provided by the Maulana Azad National Institute of Technology, Bhopal, and extend their gratitude to the Materials Research center, Malaviya National Institute of Technology Jaipur for their Key support.
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Kumar, A., Singh, A. & Suhane, A. Synthesis and characterization of a novel CoCrFeMnNi high-entropy alloy-reinforced AA6082 composite. Journal of Materials Research 37, 2961–2978 (2022). https://doi.org/10.1557/s43578-022-00701-3
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DOI: https://doi.org/10.1557/s43578-022-00701-3