Fig. 19

Gas nitriding at 1050 °C for 15 min in solar furnace. (a) sample S13 after nitriding in SF, (b) cross-section microstructure from LOM on top part of the sample, (c) SEM image on the top part of S13 sample, (d,e) line scan SEM–EDS analysis on the top of S13 sample cross-section.