385963.fig.002a
(a)
385963.fig.002b
(b)
385963.fig.002c
(c)
Figure 2: Thickness of layers to AISI 1020 steels samples with a height respectively 1, 3, 5, 8, and 10 mm nitrided by CCPN at (a) 673, (b) 773, and (c) 823 K. (3 h).