Abstract
Steel targets were shot by shaped charges. Instead of using conventional copper liners, in this test series liners made of aluminium and magnesium were used. The jet velocities ranged from 5 to 7 mm/μs. Behind the steel target a large Behind Armor Blast (BAB) - effect occurred. The measurement of this BAB was carried out by pressure and temperature probes located at different positions. Another measured parameter was the hole size in a thin aluminium witness plate mounted 1 meter behind the steel target. For a better understanding of the physical phenomena responsible for this strong BAB effect, hypervelocity impact tests with conventional spherical projectiles were carried out. These tests were conducted on a two-stage light gas gun using Al and Mg projectiles at the same impact velocity as in the shaped charge tests. The target consisted of a thin steel plate, followed by a thin aluminium witness plate. The first tests showed comparable BAB effects. The experimental test set-up, results and interpretation of the results are reported.
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