The medium carbon steel drawn wires are used in wide variety of applications, such as bridge cables, tire cord and springs. Wire drawing is a cold working process. It issued for reducing the cross-section (the diameter) of a wire by plastic deformation, in the presence of a dry lubricant powder, called soap. An electron backscatter diffraction (EBSD) was developed which allow non-destructive evaluation of crystallographic orientation distribution in materials has been used in this study.This present research paper focuses on the characterization of the texture, microstructural evolution and mechanical properties behaviour (hardness and torsion) of medium carbon steel wires obtained by wire drawing process at Tréfissoud (Company used for the manufacturing of the spring mattress). The study was carried out respectively on the two states of the wires, wire rod and drawn wire (47% and 56 % of deformation level), using the scanning electron microscopy (SEM) for examination of the microstructure, the electron backscatter diffraction (EBSD) for crystallographic orientation distribution analysis, the hardness and torsion to follow the curing of the studied wires.Keywords: Medium carbon steel, Drawn wire, Spring mattress, Texture, Microstructure, Hardness, Torsion
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