Effect of Heat Treatment on Microstructure and Mechanical Properties of Medium-Carbon Steel Drawn Wire

Author:

Ourabi Amina1,Zidani Mosbah2,Messaoudi Salim1,Abid Tahar3,Nebbar Mohamed Chaouki4,Brisset François5,Baudin Thierry5

Affiliation:

1. Université de Biskra, Laboratoire de Génie Energétique et Matériaux-LGEM, Algeria

2. Université de Biskra, Laboratoire de Génie Energétique et Matériaux-LGEM, Algeria Université Batna 2, Faculté de Technologie, Algeria

3. Université Mohamed Boudiaf-Msila, Faculté de Technologie, Algeria

4. Université de Biskra, Laboratoire de Génie Energétique et Matériaux-LGEM, Algeria Centre de recherche en analyses physico-chimiques (CRAPC), Algeria

5. Université Paris-Saclay, CNRS, Institut de chimie moléculaire et des matériaux d’Orsay, France

Abstract

<div>In this article, the effect of heat treatment on the microstructure and mechanical behavior of medium-carbon steel wire intended for the spring mattress is investigated using scanning electron microscopy (SEM), electron backscatter diffraction (EBSD), X-ray diffraction, Vickers hardness (Hv), and tensile strength. The results indicate that the microstructure elongation along the wire axis is observed with the bending and kinking lamellae at the deformation level of 57.81%, this change appears as a fracture in the microstructure and leads to an increase in hardness, tensile strength, and intensities of diffraction patterns. After heat treatment, we observed a redistribution in the grain, which is almost the same in the wire rod and drawn wires; indeed, this led to a decrease in hardness, tensile strength, and augmentation in intensities of peaks. The EBSD pole figures reveal the development of texture in the cementite slip plane (001).</div>

Publisher

SAE International

Subject

General Medicine

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