Abstract
We study the durability of a lug made of steel containing 11.3% Mn, 0.2–1.2 % C, and 0.02 or 0.08% P under friction with a pin made of hardened 50 steel. Experimental results were processed by the multiparametric regression method. It was established that the wear intensity of the lug is connected with chipping of martensite, phosphide, and carbide particles and depends on the correlation between the hardness of these particles and the hardness of the metal of the lug and the pin. Since the hardness and strength of high-manganese steel changes anomalously, wear intensity cannot be determined by the hardness of the metal alone. Only by taking the strengthening of the structure of the metal into account. can one explain why the wear varies and optimize the carbon content in high-manganese steel.
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Additional information
Philadelphia, USA. Translated from Fiziko-Khimicheskaya Mekhanika Materialov, Vol. 29, No. 5, pp. 84–87, September–October, 1993.
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Vynokur, B.B. Relationship between the durability of a “lug-pin” pair and the composition of steel. Mater Sci 29, 521–525 (1994). https://doi.org/10.1007/BF00558776
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DOI: https://doi.org/10.1007/BF00558776