The effect of up to 0.18% microadditions of titanium on the structure and mechanical properties of sheet low-carbon (0.07 – 0.09% C) steels with different alloying systems (C – Mn – Ti, C – Mn – V – Ti,C – Mn – Nb – Ti) is studied. The phase composition and the structure of the steels are determined. The specimens are tested for static tension and impact toughness. The content of titanium Ticr above which fine particles of TiC carbide precipitate in the structure and elevate the strength properties at simultaneous decrease in the ductility and toughness of the steels is determined.
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Notes
Here and below in the paper (except for the specially mentioned cases) the contents of the elements are given in weight percent.
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Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 11, pp. 25 – 31, November, 2021.
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Matrosov, Y.I., Zikeev, V.N. Microalloying of Low-Carbon Low-Alloy Steels with Titanium. Met Sci Heat Treat 63, 599–605 (2022). https://doi.org/10.1007/s11041-022-00735-8
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DOI: https://doi.org/10.1007/s11041-022-00735-8