Fig. 3From: Wear Resistance of Steels with Surface Nanocrystalline Structure Generated by Mechanical-Pulse TreatmentMicrohardness distribution in a depth from surface for the different steels after MPT. Microhardness was measured on the following steels: (1) 35; (2) 45; (3) 40Kh; (4) U8; (5) ShKh15Back to article page