OBRABOTKAMETALLOV MATERIAL SCIENCE Vol. 27 No. 3 2025 a b Fig. 2. Pearlite structure in the carburized layer of Steel 20 after equalizing for 6 hours at 900 °C: a – pearlite structure in the surface layer; b – in the middle of the sample Fig. 3. Comparative evaluation of carbon content, microhardness, and depth of the cemented layer as a function of saturation period Fig. 4. Photo of point of indentation and graph of microhardness distribution across the depth of the surface cemented layer
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