Abstract
Assessment of the wear resistance in wheel–rail contact by determining the tribological characteristics of high-carbon steel in dry friction is proposed. Comparative test results are presented for such steel, as well as for hardened layers of wheel steel with optimal plasma surface hardening and different carbon and chromium contents. The wear resistance of the working surfaces of high-carbon wheel and rail steels in dry friction and abrasion is determined. The plasma hardening of locomotive wheel pairs with increased hardness of the outer wrap and one-piece freight-car wheels made from chrome steel is optimized. The change in wear resistance is confirmed in abrasive-wear tests. Test results for carbon and high-carbon steels are compared, as well as results for layers after plasma powder surfacing and plasma surface hardening.
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Original Russian Text © A.S. Tyuftyaev, V.B. Mordynskii, E.A. Zhelobtsov, 2015, published in “Stal’,” 2015, No. 10, pp. 55–60.
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Tyuftyaev, A.S., Mordynskii, V.B. & Zhelobtsov, E.A. Wear resistance of high-carbon steel with dry friction and abrasion. Steel Transl. 45, 796–802 (2015). https://doi.org/10.3103/S0967091215100174
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DOI: https://doi.org/10.3103/S0967091215100174