Mechanism of Microscopic Fracture of Typical Shell Steel under Impact Loading

Figure 6

Crack morphology in the observation area of the 12 target plates. (a) A-I-1, 200x. (b) A-I-2, 500x. (c) A-I-3, 200x. (d) A-II-1, 500x. (e) A-II-2, 500x. (f) A-III-1, 200x. (g) A-III-2, 200x. (h) A-III-3, 200x. (i) A-IV-1, 200x. (j) A-IV-2, 500x. (k) B-I-1, 200x. (l) B-I-2, 200x. (m) B-II-1, 200x. (n) B-II-2, 200x. (o) B-III-1, 200x. (p) B-III-2, 200x. (q) B-IV-1, 200x. (r) B-IV-2, 200x. (s) C-I-1, 200x. (t) C-I-2, 200x. (u) C-II-1, 200x. (v) C-III-1, 500x. (w) C-IV-1, 200x.

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