Fig. 27

Gas nitriding at 1200 °C for 10 min in solar furnace. (a) sample S7 after nitriding in SF, (b) cross-section microstructure from LOM on top part of the sample, (c) SEM image on the top part of S7 sample, (d), (e) line scan SEM–EDS analysis on the top of S7 sample cross-section.