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In this experimental approach, Al-7075(T6) based alloy is embedded with different weight fractions (i.e. 0, 3.5, 5.5, 7.5, and 9.5 wt.%) of SiC particles and prepared via an advanced vacuum-aided stir-casting route. The microstructural evaluation of prepared composites is critically examined through an optical microscope, XRD (for phase identification), and SEM-EDS techniques. Moreover, the micro-hardness and tensile strength are investigated through a Vickers micro-hardness tester and electronic UTM respectively under mechanical aspects. The outcomes showed a significant improvement in their grain refinement, micro-hardness (≈31%), and tensile strength (≈26%) up to 7.5 wt.% with SiC particles as compared to monolithic base alloy. Therefore, the Al-7075(T6) + 7.5wt.% of SiC-based composite could be the best alternative for lightweight practices in auto-aero allied industries.

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Microstructural and Mechanical Aspects of Varying SiC Particles Embedded on Al-7075(T6) Based Stir-Casted Composite: An Experimental Approach

  • 会议论文

  • 发表日期：

    2025年

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  • Nikhilesh Singh,
  • Deepika

摘要

In this experimental approach, Al-7075(T6) based alloy is embedded with different weight fractions (i.e. 0, 3.5, 5.5, 7.5, and 9.5 wt.%) of SiC particles and prepared via an advanced vacuum-aided stir-casting route. The microstructural evaluation of prepared composites is critically examined through an optical microscope, XRD (for phase identification), and SEM-EDS techniques. Moreover, the micro-hardness and tensile strength are investigated through a Vickers micro-hardness tester and electronic UTM respectively under mechanical aspects. The outcomes showed a significant improvement in their grain refinement, micro-hardness (≈31%), and tensile strength (≈26%) up to 7.5 wt.% with SiC particles as compared to monolithic base alloy. Therefore, the Al-7075(T6) + 7.5wt.% of SiC-based composite could be the best alternative for lightweight practices in auto-aero allied industries.