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Abstract
The article considers the processes of graphitization of roller cast iron and the effect of chemical composition on the morphology of the graphite phase and its hardness. The effect of vanadium and molybdenum on the precipitation of the graphite phase at the concentration of vanadium and molybdenum is studied. A regression equation for the effect of chemical composition relative to the hardness value is obtained. At the same time, the influence of production parameters is estimated and regression equations for hardness and the content of the graphite phase in the working layer of the rolling roll are obtained using the normal equation method. Additionally, calculations are carried out to identify significant coefficients of the regression equation. The obtained results are of practical importance for the metallurgical industry, since they allow targeted control of the properties of roller cast iron by adjusting the chemical composition and technological production parameters.
Keywords:
indefinite cast iron, full factorial experiment, rolling rolls, regression equation, hardness, graphite.
Shchennikova Veronica A. – graduate student, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Feoktistov Nikolay A. – PhD (Eng), Associate Professor, Head of the Department, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Boyko Artem B. – PhD (Eng), Associate Professor, Nosov Magnitogorsk State Technical University E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Troyanov Andrey V. – student of Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Sulitsin Andrey V. – DrSс (Eng.), Professor, Head of the Department оf Department of Foundry and Hardening Technologies, Ural Federal University named after the first President of Russia B. N. Yeltsin, Ekaterinburg, Russia. E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it..
Epova Irina A. – Specialist in working with full-time students, Department of Educational Process Monitoring of the Educational and Methodological Administration, Nosov Magnitogorsk State Technical University, Magnitogorsk, Russia
