Residual Stress and Microstructure Characterization of 34CrMo4 Steel Modified by Shot Peening

Figure 6

TEM analysis of the 34CrMo4 martensite steel after shot peening for 5 min: (a) topmost layer, (b) 50 μm depth, (c) 100 μm depth, (d) 200 μm depth, (e) 400 μm depth form top surface, and (f) matrix before shot peening. Corresponding SADPs are inside.

(a)

(b)

(c)

(d)

(e)

(f)