Table 3

The microhardness of the surface layer of the samples before and after hardening.

Powder alloy Microhardness of the surface layer HV (GPa)

Before roller burnishing After roller burnishing

Processing at mode N1 Processing at mode N2
Fe/Cu15 2.1–2.9 2.2–3.2 2.3–3.3
Fe/Cu20/Cr11/Ni8 2.2–3.3 2.4–3.5 3.2–3.8

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