Conclusions
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1.
Heat treatment, which includes the decomposition of supercooled austenite in the region of the diffusion transformation with the attainment of highly disperse pearlite, is recommended for the realization of a favorable combination of reslience and endurance limit in carbon steel. In this case, segregations of structurally free ferrite are eliminated to the maximum degree.
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2.
The differential cooling of the elements of a wheel during its hardening makes it possible to regulate the stress distribution across the wheel's section with allowance for the effect of thermal braking loads.
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Literature cited
D. McLean, Mechanical Properties of Metals [Russian translation], Metallurgiya, Moscow (1965).
I. G. Uzlov, V. Ya. Savenkov, and S. N. Polyakov, Heat Treatment of Rolled Products [in Russian], Tekhnika, Kiev (1981), pp. 66–70.
I. G. Uzlov and V. I. Shkola, Thermal Hardening of Rolled Products [in Russian], No. 30, Metallurgiya, Moscow (1969), pp. 120–122.
I. G. Uzlov, N. I. Danchenko, P. F. Mironov, and S. E. Podol'skii, Theory and Practice of the Heat Treatment of Rolled Products [in Russian], Metallurgiya, Moscow (1984), pp. 48–50.
Additional information
Institute of Ferrous Metallurgy, Dnepropetrovsk. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 2, pp. 17–19, February, 1987.
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Uzlov, I.G., Danchenko, N.I. & Perkov, O.N. Effect of cooling rate during heat treatment on the properties of wheel steel. Met Sci Heat Treat 29, 108–110 (1987). https://doi.org/10.1007/BF00667518
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DOI: https://doi.org/10.1007/BF00667518