Abstract
The article deals with the effect of the wear coefficient of high-manganese steel on service durability indicators of castings, which are produced from this steel and operate under conditions of intensive wear. The article introduces the results of computer simulation of crystallization and cooling processes in high-manganese steel castings in the mould. The effect of the casting cooling rate in the mould on the cast steel primary structure, as well as on the value of its wear coefficient has been studied. The effect of primary crystallization on austenite grain size and its microhardness has been examined and the crystallization rate resulting in the formation of a uniform structure of the alloy has been determined. The effect of cooling rate of high-manganese steel in the temperature range of the precipitation of proeutectoid constituents on their quantitative characteristics and morphology, as well as the hardness of the alloy as a whole has been examined.
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