Fig. 4

Top-down view on a target aggregate before and after an impact sequence. Following the bombardment with a sufficient number of high speed projectiles the shape of the target aggregate changes significantly. Left: initially, the RBD sample features a very homogeneous structure. Right: after shooting 1000 projectiles at the sample with v = 30 ms-1 the homogeneous structure has been destroyed. Deep holes and more compact pillars have formed.
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