Rs. Desousa et C. Alves, OVERHEATING OF PLASMA-NITRIDED WORKPIECES WITH CYLINDRICAL BLIND HOLES, Journal of materials engineering and performance, 6(3), 1997, pp. 300-302
In the plasma nitriding process, the workpiece is uniformly covered by
glow discharge and is heated by ionic and neutral species bombardment
. In this study, AISI 304 stainless steel workpieces with cylindrical
blind holes were plasma nitrided in an atmosphere of H-2-20N(2) at 100
0 Pa, 773 K, for 2 h. The influence of the hole dimensions on the temp
erature uniformity was investigated. This work is important for the pl
asma nitriding of workpieces with complex geometrical shapes, such as
gearing, crankshafts, dies, and injection nozzles.