DOI: 10.52150/2522-9117-2023-37-447-464

Kononenko Ganna Andriivna, D. Sc. (Tech.), Senior Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0001-7446-4105. E-mail: perlit@ua.fm

Kimstach Tetiana Volodymyrivna, Junior Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine.
Ukrainian State University of Science and Technologies, Lazariana Str., 2, Dnipro, 49010, Ukraine.
ORCID: 0000-0002-8993-201X. E-mail: 1375tatyana@gmail.com

Safronova Olena Anatoliivna, Junior Researcher, Ph. D. Student, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0002-4032-4275. E-mail: safronovaaa77@gmail.com

Podolsky Rostyslav Viacheslavovych, Ph. D. (Tech.), Researcher, Iron and Steel Institute of Z. I. Nekrasov National Academy of Sciences of Ukraine, Academican Starodubova Square, 1, Dnipro, 49107, Ukraine. ORCID: 0000-0002-0288-0641. E-mail: rostislavpodolskij@gmail.com

WAYS OF INCREASING THE STABILITY AND SURVIVAL OF ROLLED SHEET MADE OF ARMORED STEEL. (OVERVIEW)

Abstract. The constant increase in the requirements for the protection of armored vehicles, caused by the improvement of highly effective weapons, dictates the need to find new approaches to increase the dynamic stability of armor steels using modern metallurgical, materials science and design achievements. The development and design of workable materials and structures of armor protection is a complex scientific and technical problem. The purpose of the work is to determine the promising directions for improving the composition and processing technologies of high-strength steels for the production of heavy-duty rolled steel, which will ensure an increase in the operational characteristics of armor. The work considers the requirements for the physical, mechanical and ballistic characteristics of rolled steel for the production of armored barriers. The influence of alloying on the properties of high-strength steels, which are currently used for the manufacture of armor protection, is analyzed. Modern trends to improve their quality are considered. The types of thermal treatment of thick rolled products, their influence on the formation of the structure and complex of mechanical properties, armor resistance and survivability of elements of special products are analyzed. Based on the results of the research, it was established in the paper that the formation of a structure of finely dispersed bainite ferrite without the release of cementite-type carbides in combination with stable residual austenite is a promising direction for obtaining a high complex of strength and viscosity, as well as ballistic characteristics of structural steels. The formation of such a structure is achieved thanks to the complex alloying of steel with chemical elements that allow to almost completely suppress the processes of carbide formation in bainite ferrite (silicon, aluminum, cobalt, nickel).

Key words: homogeneous thick sheet steel, hardness, strength, impact strength, bainite ferrite, heat treatment.

DOI: https://doi.org/10.52150/2522-9117-2023-37-447-464

For citation: Kononenko, G. A., Kimstach, T. V., Safronova, O. A., & Podolskyi, R. V. (2023). Ways of increasing the stability and survival of rolled sheet made of armored steel. (Overview). Fundamental and applied problems of ferrous metallurgy, 37, 447-464. https://doi.org/10.52150/2522-9117-2023-37-447-464

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