Effect of Reinforcement on Micro Structural and Compressive Deformation Behavior on Closed Cell AA7075 Aluminium Foam

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  • Department of Mechanical Engineering, Lingaya's Vidyapeeth, Faridabad - 121002, Haryana ,IN
  • School of Mechanical Engineering, VIT Bhopal University, Sehore - 466114, Madhya Pradesh ,IN
  • Department of Electrical Engineering, Medi-Caps University, Indore - 453331, Madhya Pradesh ,IN
  • Department of Mechanical Engineering, Mittal Institute of Technology, Bhopal - 462038, Madhya Pradesh ,IN
  • Department of Mechanical Engineering, Lingaya's Vidyapeeth, Faridabad - 121002, Haryana ,IN
  • Department of Mechanical Engineering, Lingaya's Vidyapeeth, Faridabad - 121002, Haryana ,IN




AA7075, Cell Wall, Energy Absorption, Plateau Stress, Silicon Carbide


The fabrication of aluminium AA7075 and AA7075/SiC composite foams employ the stir casting method, incorporating calcium carbonate (CaCO3) as a blowing agent at a concentration constituting 2.5wt. % of the alloy. Notably, no viscosity-enhancing component was included in the process. The compressive parameters, including the yield strength (σc), plateau stress (σpl) and energy absorption (Eab), of the foam materials were examined to investigate the influence of Silicon Carbide (SiC) on the microstructure, namely the cell size and cell wall thickness. The incorporation of Silicon Carbide particles (SiC) into the cell wall imparts enhanced hardness and strength. The findings indicate that the inclusion of SiC particles may enhance the mechanical properties like σc, σp and Eab, of composite foams. The porosity of the composite foam increases from 59.07% to 68.68% with the incorporation of SiC particles. The cell dimensions fluctuated between 1.12 and 1.45mm as the relative density of the AA7075/SiC composite foam decreased from 0.4 to 0.31.


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How to Cite

Singh, N. K., Balaguru, S., Mehta, P., Kaimkuriya, A., Namdeo, A. K., & Deb, R. K. (2024). Effect of Reinforcement on Micro Structural and Compressive Deformation Behavior on Closed Cell AA7075 Aluminium Foam. Journal of Mines, Metals and Fuels, 72(2), 179–187. https://doi.org/10.18311/jmmf/2024/35988
Received 2024-01-09
Accepted 2024-02-13
Published 2024-04-22



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