Modernization of the Surface Layer Structure of Heavily Loaded Parts of Tillage Machines with Plasma Hardening

Kanaev, A. A.; Sarsembaeva, T. E.; Gulyarenko, A. A.

doi:10.3103/s0967091222030068

Cited by 3 publications

(1 citation statement)

References 3 publications

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“…and external (friction coefficient, degree of slippage), presence or absence of lubrication, axle load, etc.) factors (Kanaev, 2020;Kanaev et al, 2023).…”

Section: Materials and Research Methodsmentioning

confidence: 99%

On the optimal ratio of the hardness of wheel and rail steel, ensuring minimal wear of the wheel-rail friction pair

Moldakhmetova,

Kanaev

2024

Materials of International Scientific-Practical Internet Conference “Challenges of Science”

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In this work, to identify the optimum between the hardness of the wheel and the rail, which ensures minimal wear, methods were used to determine wear by mass loss (volumetric wear) and by micrometric measurement of the size of the imprint (linear wear). It has been shown that the optimal range of wheel and rail hardness, determined by measuring (reducing) the size of the indentation, is in the range of 1.38-1.55. This interval practically confirms the wear identified by mass loss of 1.41-1.58. Based on these data, it is recommended to use the average value of the ratio between them, namely, 1.39-1.56 (HVк556-655, HVр400-420), which does not violate the objectivity and accuracy of measurements, both when determining volumetric and linear wear. It is noted that there is no magic relationship between the hardness of a wheel and a rail; there is only an optimal hardness for wheels and rails, determined by several internal (chemical composition, structure, properties, etc.) and external (friction coefficient, degree of slippage, presence or absence of lubrication, axle loads, etc.) factors.

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“…and external (friction coefficient, degree of slippage), presence or absence of lubrication, axle load, etc.) factors (Kanaev, 2020;Kanaev et al, 2023).…”

Section: Materials and Research Methodsmentioning

confidence: 99%

On the optimal ratio of the hardness of wheel and rail steel, ensuring minimal wear of the wheel-rail friction pair

Moldakhmetova,

Kanaev

2024

Materials of International Scientific-Practical Internet Conference “Challenges of Science”

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Microstructure and property evolution during tempering of a medium carbon bainitic steel

Mandal,

Ghosh,

Rajput

et al. 2024

Materials Science and Technology

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Tempering a medium carbon carbide-free bainite steel led to two distinct microstructures and properties below and above the bainitic start (Bs) temperature. Austenite decomposition during tempering, depended on carbon content, tempering temperatures and time, determining retained austenite (RA) stability. Up to 400 °C, most RA remained intact, but a significant reduction occurred above the Bs temperature. Film austenite primarily turned into carbides within the bainitic–ferrite matrix and form lines of carbide particles, while blocky austenite decomposed into troostite at 500 °C and sorbite at 600 °C. During tempering, on the other hand, bainitic ferrite lost tetragonality losing its carbon and resulting in the growth of bainitic–ferrite plates through grain boundary migration and misorientation annihilation. Above Bs, drastic microstructural changes caused significant alterations in tensile properties.

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Comparison of Plasma Surface Hardening with Vibratory Arc Deposition

Nagaiko,

Gulyarenko

2023

Steel Transl.

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Modernization of the Surface Layer Structure of Heavily Loaded Parts of Tillage Machines with Plasma Hardening

Cited by 3 publications

References 3 publications

On the optimal ratio of the hardness of wheel and rail steel, ensuring minimal wear of the wheel-rail friction pair

On the optimal ratio of the hardness of wheel and rail steel, ensuring minimal wear of the wheel-rail friction pair

Microstructure and property evolution during tempering of a medium carbon bainitic steel

Comparison of Plasma Surface Hardening with Vibratory Arc Deposition

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