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Elamine Nouicer
Department of Physics, Faculty of Sciences, University of Constantine 1, Constantine, 25000, Algeria
Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Environmental Science Materials Science & Nanotechnology Physics

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Effect of Deformation by Wire Drawing on the Mechanical and Electrical Properties of Aluminum Lazhar Yahia; Fatima Zohra Benlahreche; Wahid Kaddouri; Elamine Nouicer; Sihem Abderrahmane; Lyamine Briki; Mosbah Zidani
Science and Technology Indonesia Vol. 11 No. 3 (2026): July
Publisher : Research Center of Inorganic Materials and Coordination Complexes, FMIPA Universitas Sriwijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26554/sti.2026.11.3.894-902

Abstract

This research investigates the influence of cold wire drawing on the electromechanical properties of high-purity (99.7%) aluminum conductors. Aluminum wires were subjected to progressive plastic deformation, with cross-sectional reduction rates ranging from 11.25% to 88.44%. The results demonstrate that mechanical deformation significantly enhances the ultimate tensile strength, reaching a peak value of 116.14 MPa and a Vickers hardness of 57.63 HV at the maximum reduction rate. Conversely, a marked reduction in elongation at break was observed, indicating a loss of ductility due to intense work hardening. Regarding electrical performance, the study reveals that electrical resistivity increases by only 0.87% over the full deformation range, while electrical conductivity exhibits a proportional decline. This degradation in transport properties is physically attributed to the increased density of lattice defects (dislocations) acting as electron scattering centers. These findings highlight the critical trade-off between mechanical reinforcement and electrical efficiency, providing essential data for the optimization of high-performance conductors for power transmission.
Co-Authors Fatima Zohra Benlahreche Lazhar Yahia Lyamine Briki Mosbah Zidani Sihem Abderrahmane Wahid Kaddouri