Table 12

The effect of the coating process (Nb–Ti–Al–V) N on the characteristics of the pre-nitrided high-speed steel of the gear-shaping cutters at nitriding temperature of 510 °C and holding time of 45 min and wear resistance in the cutting process.

The ratio of gases when nitriding (nitrogen/argon) The characteristics of the nitrided layer of high-speed steel The characteristics of the nitrided layer of high-speed steel after coating Wear of the tooth (μm)
of the gear-shaping cutter after 50 min of work


  Total thickness (μm) Microhardness (GPa) Total thickness (μm) Microhardness (GPa)  
20% N2/80% Ar 380 12.4 500–560 12.2 110
40% N2/60% Ar 320–350 12.8 400–440 12.6 175
60% N2/40% Ar 220–240 13.1 350–380 13.0 320

Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.

Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.

Initial download of the metrics may take a while.