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The fracture intensity of high-nitrogen Mn steels under dry rolling friction with sliding for loads from 40 to 60 kg is determined. During friction, a decrease in the wear intensity with increase in the load is observed, which is related to the running-in of a material. The important factor that prevents the intensive wear of alloys is a passivation film, which is recovered under friction in the presence...
We have established that the preliminary plastic deformation of 12Kh18N12T austenitic steel causes cold-work hardening, which depends on the strain rate. With increase in the strain rate of specimens from 8∙10−4 to 417∙10−4 sec−1, both strength (ultimate strength) and plasticity (percentage elongation) characteristics of 12Kh18N12T steel decrease. After holding of the preliminarily work-hardened steel...
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