Plasma Nitriding of Surface Mo-Enriched Sintered Iron

Table 1

Plasma nitriding parameters.

Temperature	540°C	450°C
Gas Composition	75% N2 + 25% H2; 5% N2 + 95% H2	75% N2 + 25% H2; 5% N2 + 95% H2
Working Pressure	4.0 × 10^2 Pa; (3.0 Torr)	4.0 × 10^2 Pa; (3.0 Torr)
Source Output Voltage	500 V	500 V
𝑇on (time on)	180 μs	180 μs
Holding Time	120 min	120 min