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Influence of Structural Transformations on the Mechanical Properties of Welded Joints of Armor Steels

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Materials Science Aims and scope

We experimentally constructed and computed thermokinetic diagrams of decomposition of supercooled austenite of Ramor-500 and Armox-500 armor steels. The temperatures of phase transformations, microstructure, and mechanical properties of the metal of the heat-affected zone are determined as a result of the simulation of thermal deformation welding at different cooling rates in a Gleeble-3800 installation. We determine the limit values of the cooling rate when the metal of the near-weld zone of welded joints of these steels can be softened down to a level lower than the minimum guaranteed characteristics of strength of the base metal.

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Authors and Affiliations

  1. E. Paton Institute of Electric Welding, Ukrainian National Academy of Sciences, Kyiv, Ukraine

    V. А. Kostin, V. D. Poznyakov, O. М. Berdnikova, V. V. Zhukov, T. O. Alekseyenko & I. I. Alekseyenko

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  1. V. А. Kostin
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  2. V. D. Poznyakov
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  3. O. М. Berdnikova
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  4. V. V. Zhukov
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  5. T. O. Alekseyenko
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  6. I. I. Alekseyenko
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Correspondence to V. А. Kostin.

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Translated from Fizyko-Khimichna Mekhanika Materialiv, Vol. 56, No. 4, pp. 36–43, July–August, 2020.

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Kostin, V.А., Poznyakov, V.D., Berdnikova, O.М. et al. Influence of Structural Transformations on the Mechanical Properties of Welded Joints of Armor Steels. Mater Sci 56, 472–480 (2021). https://doi.org/10.1007/s11003-021-00453-1

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  • DOI: https://doi.org/10.1007/s11003-021-00453-1

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