Dynamic deformation and microstructural characteristics of AA5083 under the influence of electrochemical behaviour using equal channel angular pressing

Open Access

Year : 2024 | Volume :12 | Special Issue : 01 | Page : 95-112

Nagendra Singh

Manoj Kumar Agrawal

  1. Research Scholar Department of Mechanical Engineering, GLA University, Mathura Uttar Pradesh India
  2. Associate Professor Department of Mechanical Engineering, GLA University, Mathura Uttar Pradesh India


Large-scale Equal channel angular pressing is a great engineering material that has more potential for AA5083 industrial applications. Uniaxial dynamic compressive tests across a temperature of 448 K were conducted for the ECAP technique AA5083 in order to create such a design framework. The microstructure was described using transmission electron microscopy and scanning electron microscope both before and after dynamic loading. The plastic flow behaviour of the AA5083 was described by a novel dynamic constitutive model that was built based on the experimental results. A particle swarm optimization method was used to determine the impacts of plastic strain, temperature and strain rate on the new model’s input parameters. The strong agreement between model predictions and experimental findings suggests that the predictive constitutive model used today is very good at simulating the behaviour of dynamic deformation the large-scale ECAP method AA5083. The surface characteristics of the alloy were investigated using electrochemical impedance spectroscopy in the sodium chloride solution. The acquisition of the corrosion performance, scanning electron microscopy and Raman spectroscopy were performed. As the pass number rises, the alloy’s microhardness and tensile strength get better. In ECAP technique the alloy’s wear characteristics significantly improved along with its hardness and tensile strength. The AA5083 is taken into account in the current investigation both before and after equal channel angular pressing. Comparing the material’s fracture locus with the initial material, the ECAP method revealed somewhat higher equivalent strain to fracture values.

Keywords: AA5083; Dynamic Response; ECAP; Thermal Activation; Raman Spectroscopy; Plasticity Methods; Plasticity Fracture.

[This article belongs to Special Issue under section in Journal of Polymer and Composites(jopc)]

How to cite this article: Nagendra Singh, Manoj Kumar Agrawal. Dynamic deformation and microstructural characteristics of AA5083 under the influence of electrochemical behaviour using equal channel angular pressing. Journal of Polymer and Composites. 2024; 12(01):95-112.
How to cite this URL: Nagendra Singh, Manoj Kumar Agrawal. Dynamic deformation and microstructural characteristics of AA5083 under the influence of electrochemical behaviour using equal channel angular pressing. Journal of Polymer and Composites. 2024; 12(01):95-112. Available from: https://journals.stmjournals.com/jopc/article=2024/view=143560

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Special Issue Open Access Original Research
Volume 12
Special Issue 01
Received January 6, 2024
Accepted February 21, 2024
Published April 16, 2024