OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 27 No. 1 2025 Fig. 2. Influence of normalizing temperature (duration 10 hours) on the mechanical properties of hot-rolled Steel 10 sheet, manufactured according to the industrial mode and using DCT: a – ϭu, ϭy; b – δ, ψ a b is particularly important when high plastic deformation rates are required in metal forming. Therefore, selecting the optimal normalizing and DTCT modes allows for tailoring the strength-ductility balance of Steel 10 steel to meet the requirements of a specific application. Careful analysis of the mechanical property data, correlated with the process data, has enabled us to determine optimal DTCT parameters to ensure that the required mechanical properties of the final product are achieved. This includes not only selecting optimal forging parameters such as temperature and degree of deformation but also optimizing subsequent heat treatment modes to ensure the best combination of strength, ductility, impact toughness, and other required properties for specific operating conditions of products made of this steel. Based on the results obtained, it is possible to develop recommendations for the industrial implementation of DTCT to improve the quality and performance characteristics of sheet Steel 10.
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