Conclusions
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1.
The conditions for carburizing and subsequent heat treatment to obtain the highest wear resistance must be selected by means of mathematically planned experiments for each steel.
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2.
As the result of optimization, the wear resistance of the carburized steels increased 20–40% as compared with the best results obtained by the traditional single-factor method.
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3.
Chromium lowers the carburizing rate, although the wear resistance of high-chromium steels is higher. Raising the chromium content of the steel from 3- to 13–17% increases the wear resistance 50–100% after carburizing + quenching and low-temperature tempering.
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Literature cited
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Additional information
Belorussian Polytechnical Institute. Translated from Metallovedenie i Termicheskaya Obrabotka Metallov, No. 8, pp. 9–12, August, 1975.
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Lyakhovich, L.S., Voroshnin, L.G. & Rostovtsev, A.N. Effect of chromium on the depth and properties of the carburized case on low-carbon steel. Met Sci Heat Treat 17, 648–650 (1975). https://doi.org/10.1007/BF00664307
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DOI: https://doi.org/10.1007/BF00664307