Investigation of Surface Self-Nanocrystallization in 0Cr18Ni9Ti Induced by Surface Mechanical Attrition Treatment

Figure 3

Cross-sectional OM micrographs close to the SMATed surfaces under different treatment time: (a) 1 min, (b) 5 min, (c) 9 min, and (d) 13 min.

(a)

(b)

(c)

(d)