Abstract
The ways of increasing the reliability of operation of road construction machines are considered. Based on the results of this consideration, an option is proposed to replace the used steel 09G2S with boron steel 30MnB5. Using the example of a motor grader knife, the force effects on this working body of road construction machines are analyzed. In order to increase the level of physical and mechanical characteristics of steels 09G2S and 30MnB5, they are additionally subjected to thermal cycling. Experimental studies of the effect of this type of heat treatment on the structure and properties of steels are described. Comparative analysis of the obtained characteristics allows making a conclusion about the possibility of the considered replacement. With the help of metallographic analysis, the author studied the effect of the number of cycles of thermal cycling treatment on the grain size of steel. In parallel, a set of physical and mechanical characteristics of these steels was determined at various stages of thermal cycling. It was determined that an increase in the level of physical and mechanical characteristics of the studied steels can be achieved by using thermal cycling treatment.
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Scherbakov, A., Kuzbagarova, E., Kuzbagarov, A. (2023). Application of Thermal Cycling Treatment of Steels 09G2S and 30mnb5 to Increase the Strength of the Working Bodies of Road Construction Machines. In: Guda, A. (eds) Networked Control Systems for Connected and Automated Vehicles. NN 2022. Lecture Notes in Networks and Systems, vol 509. Springer, Cham. https://doi.org/10.1007/978-3-031-11058-0_101
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