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Properties and Structure Control of Hot-Worked Vessels by Varying the Cooling Media at the Outlet of the Rolling-Press Line

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Abstract

The discrete control method of the mechanical properties and structure during heat treatment of grade 50 steel vessels with residual heating after thermomechanical treatment on the rolling-press line of the Bogorodsk branch of NPO Pribor is developed and studied. The advantages and disadvantages of cooling media are considered depending on the conditions of heat absorption. The influence of various compositions and concentrations of polymer aqueous solutions and mineral oil on the properties and structure of deformed vessels under cooling are studied. The possibility of varying the cooling media to regulate the cooling rate and properties of rolled products is shown. Analysis of the obtained research results makes it possible to establish collective patterns between the cooling rate, the resulting microstructure and the mechanical properties of grade 50 steel vessels at the outlet of the rolling-press line of the Bogorodsk branch of NPO Pribor.

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Funding

This work was supported by ongoing institutional funding. No additional grants to carry out or direct this particular research were obtained.

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  1. Moscow Polytechnic University, 115280, Moscow, Russia

    V. A. Medvedev & R. L. Shatalov

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  1. V. A. Medvedev
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  2. R. L. Shatalov
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Correspondence to V. A. Medvedev.

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Translated by A. Kolemesin

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Medvedev, V.A., Shatalov, R.L. Properties and Structure Control of Hot-Worked Vessels by Varying the Cooling Media at the Outlet of the Rolling-Press Line. Steel Transl. 53, 826–829 (2023). https://doi.org/10.3103/S0967091223100169

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  • DOI: https://doi.org/10.3103/S0967091223100169

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