Influence of Indentation on the Fatigue Strength of Carbonitrided Plain Steel

Figure 5

Morphologies of the indentations: (a) indentation on UCN under 100 N, (b) indentation on CN under 62.5 N, (c) indentation on CN under 187.5 N, and (d) indentation on CNP under 187.5 N.

(a)

(b)

(c)

(d)