МОДЕЛЮВАННЯ ВПЛИВУ ХІМІЧНОГО СКЛАДУ ТА СТРУКТУРИ НА МЕХАНІЧНІ ВЛАСТИВОСТІ ЛЕГОВАНОГО ПРОКАТУ
DOI:
https://doi.org/10.34185/1991-7848.itmm.2022.01.012Ключові слова:
alloy, chemical composition, heat treatment, cooling, structure, mechanical propertiesАнотація
At present, carbon steels alloyed with chromium, molybdenum and vanadium are widely used in industry and mechanical engineering. It is known that the complex of mechanical properties of metal products depends on the number of alloying elements and the mode of heat treatment. With the help of mathematical and physico-chemical modeling, dependences were constructed that allow to predict the level of mechanical properties of alloy steel. The ranges of the number of alloying elements for 31CrMoV9 steel are defined, which guarantee compliance with the requirements of regulatory documentation beyond the strength and elongation. Metallographic studies allowed to establish the influence of heat treatment parameters on the structure of the studied alloy steel. Recommended cooling rates, which allow to obtain a more acceptable structure for further processing with the required mechanical properties.
Посилання
Pigul N. G. Modern mill and prospects for the development of a machine-building complex in Ukraine / N. G. Pigul, Е. I. Pigul // Economics and Sustainability. – 2018. – No. 15. Retrieved from: http://economyandsociety.in.ua
Lutsenko V. A. Investigation of structure formation features in Cr-Mo steel bar section in the process of energy-saving heat treatment / V. A. Lutsenko, T. N. Golubenko, M. F. Evsyukov, N. I. Anelkin, V. I. Shcherbakov // Metallurgical and Mining Industry.
– Volume 2. – Issue 1. – p.p. 47-50.
Parusov E. V. Influence of chemical composition and cooling parameters on kinetics of austenite decomposition in high-carbon steels / E. V. Parusov, V. A. Lutsenko, I. N. Chuiko, E. V. Parusov // Chernye Metally. – 2020. – No. 9. – p.p. 39-44.
Lutsenko V. A. Structure formation in the heat treatment of alloy steel bar / V. A. Lutsenko, P. A. Bobkov, T. N. Golubenko, L. A. Drobyshevskii, V. I. Gritsaenko // Steel in Translation. – 2013. – Vol. 43. – Issue 6. – p.p. 394-398.
https://doi.org/10.3103/S0967091213060119.
Description 31CrMoV9, Material specification, Typical applications. LonghaiSteel Inc. China. URL: http://www.ccsteels.com/Structural_steel/1447.html
Prikhodko E. V. Physical and chemical modeling of interatomic interaction processes in metallurgical melts / E. V. Prikhodko, D. N. Togobitskaya // Priazovsky State Technical University. – 1999. – No. 7, – p.p. 72-83.
Kozachek A. S. Influence of the degree of alloying on the strength properties of structural steels / A. S. Kozachek, E. V. Prikhodko, V. A. Lutsenko, L. A. Golovko // Fundamental and applied problems of ferrous metallurgy. – 2014. – Issue 29. – p.p. 196-201.
Gudremon Je. Special'nye stali [Special steels], Moscow, Metallurgija, 1966, 1274 p
Lutsenko V. A. Features of annealing alloy steels with mixed structure. / V. A. Lutsenko, T. N. Golubenko, O. V. Lutsenko // Chernye Metally. – 2021. – No. 4. – p.p. 39-43. https://doi.org/10.17580/chm.2021.04.07.
