Research Article

Experimental Investigation on the Deformation and Fracture of Steel Square Tubes under Double-Explosion Loadings

Figure 5

Typical failure modes of cylindrical shell in Mode Ia and Mode Ib. (a) Mode Ia: local plastic deformation without global deformation (a = 3.0 mm, R = 24 cm, m = 100 g + 160 g, TZ1). (b) Mode Ib: local plastic deformation with small global deformation (a = 3.0 mm, R = 20 cm, m = 100 g + 160 g, TZ5).
(a)
(b)