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Experimental investigation on mechanical properties of Al 7075/Al2O3/Mg NMMC’s by stir casting method

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Abstract

There is an increasing demand for light-weight, affordable and rapidly processed products as a result of their significant level of superiority these days. In the present research, the effect of mechanical stir casting on 7075 based lightweight aluminium alloy established together with nano-Al2O3 with average particle size (20–30) nanometre and wt.% of (1.0, 2.0,3.0, and 4.0) has been studied. Several scientists exposed that non-consistent distribution of nanoparticles possessing high porosity in the matrix. Electric stir casting could protect against the difficulties encountered with mechanical stir casting. By infusing Al2O3 particulates right into aluminium alloy the aluminium 7075/1% Wt. Al2O3 is giving area to nanocomposite. By including 1%, micro magnesium powder improved the wettability of the reinforcement. Optical microscope, SEM, studies carried out for the evaluation of composites. SEM micrographs reported that the nanoparticles were consistently distributed throughout the matrix and the active grain microstructure studies were preformed. The hardness, tensile strength, and impact results of Al7075/1% Wt. Al2O3 nanocomposites have been improved as compared with the Al7075 base alloy.

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Acknowledgement

The Corresponding author wishes to thank the Department of Mechanical Engineering, Jawaharlal Nehru Technological University, Anantapuramu, India for providing facilities and necessary support in conducting experiments. Also, for the Department of Mechanical Engineering, MITS, Madanapalli, India for all the support and discussion to carry out the research work.

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Authors and Affiliations

  1. Department of Mechanical Engineering, Jawaharlal Nehru Technological University, Ananthapuramu, India

    S Suresh & M L S Deva Kumar

  2. Department of Mechanical Engineering, Madanapalle Institute of Technology and Science, Chittoor, India

    G Harinath Gowd

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  1. S Suresh
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Correspondence to S Suresh.

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Suresh, S., Gowd, G.H. & Deva Kumar, M.L.S. Experimental investigation on mechanical properties of Al 7075/Al2O3/Mg NMMC’s by stir casting method. Sādhanā 44, 51 (2019). https://doi.org/10.1007/s12046-018-1021-9

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  • DOI: https://doi.org/10.1007/s12046-018-1021-9

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