Table 2 Gas nitriding thermochemical treatments.
Sample number | Furnace | Temperature [oC] | Holding time [minutes] | Cooling | |
|---|---|---|---|---|---|
Below β-transus | Above β-transus | ||||
S10 | Solar furnace | 900 | 5 | Furnace cooling | |
S4 | 900 | 10 | |||
S11 | 900 | 15 | |||
S12 | 1050 | 5 | |||
S5 | 1050 | 10 | |||
S13 | 1050 | 15 | |||
S14 | 1200 | 5 | |||
S7 | 1200 | 10 | |||
S15 | 1200 | 15 | |||
S19 | Electric furnace | 900 | 5 | ||
S20 | 900 | 10 | |||
S21 | 900 | 15 | |||
S16 | 1050 | 5 | |||
S17 | 1050 | 10 | |||
S18 | 1050 | 15 | |||
S23 | 1200 | 5 | |||
S22 | 1200 | 10 | |||
S24 | 1200 | 15 | |||
