Formation of an Explosively Formed Penetrator Warhead Using a Step-Shaped Charge

Figure 18

EFP formation for different liner wall thicknesses. (a) d = 2.5 mm (t = 240 μs,  = 1591 m/s). (b) d = 3.0 mm (t = 240 μs,  = 1413 m/s). (c) d = 3.5 mm (t = 240 μs,  = 1245 m/s). (d) d = 4.0 mm (t = 240 μs,  = 1127 m/s).

(a)

(b)

(c)

(d)