Behind-armor debris

Behind-armor debris is debris particles eroded from the penetrator of armor as well as spalled material ejected from the target itself.{{cite journal | author=B. Pedersen, S Bless. | title=Behind-armor debris from the impact of hypervelocity tungsten penetrators | journal=International Journal of Impact Engineering | year=2006 | volume=33 | issue=1–12 | pages=605–614 | doi=10.1016/j.ijimpeng.2006.09.007 }}

Behind-armor debris characteristics can be described by the number, position, and size range of debris particles.