Table 13
Recommended modes of duplex treatment as nitriding and coating with (Nb–Ti–Al–V) N in a single technological cycle for different types of complex profile tools made of high-speed steels, and characteristics of the formed surface layer.
| Cutting tool | The ratio of gases when nitriding (nitrogen/argon) | The temperature of the nitriding process (°C) | Holding time at nitriding (min) | The characteristics of the surface layer of the high-speed tool after duplex treatment | |||
|---|---|---|---|---|---|---|---|
| The productive thickness of the nitrided layer (μm) | The total thickness of the nitrided layer (μm) | Microhardness | |||||
| Nitrided layer (GPa) | Coating (GPa) | ||||||
| Broach for herringbone type joint | 40% N2/60% Ar | 480 | 60 | 50–53 | 360 | 12.7 | 27.5 ± 0.5 |
| Gear-shaping cutter | 20% N2/80% Ar | 480 | 45 | 72–74 | 330–350 | 11.5 | 27.5 ± 0.5 |
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.