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Special Features of the α → γ Transformation of Radially Forged Low-Carbon Steel in the Intercritical Temperature Range

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Metal Science and Heat Treatment Aims and scope

The effect of cold radial forging of steel 10Kh3G3MFS in a two-phase martensitic-ferritic state on the kinetics of formation of austenite under subsequent heating at different rates is studied. The quantitative characteristics of the stages of formation of the austenite are determined and a thermokinetic diagram of the austenitization is plotted. The parameters of the martensitic-ferritic structure and of the hardness of the steel are shown to depend on the temperature of quenching from the intercritical temperature range. The influence of preliminary radial forging on the behavior of the curves of uniaxial tension of the steel after incomplete quenching is studied and compared to the results obtained earlier for a quenched condition.

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Correspondence to T. Yu. Barsukova.

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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 4, pp. 13 – 20, April, 2023.

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Barsukova, T.Y., Panov, D.O., Simonov, Y.N. et al. Special Features of the α → γ Transformation of Radially Forged Low-Carbon Steel in the Intercritical Temperature Range. Met Sci Heat Treat 65, 200–208 (2023). https://doi.org/10.1007/s11041-023-00915-0

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