The Mechanism of Plate Penetration and Failure

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Introduction Ammunition Armour Penetration
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Failures Peculiar to Thin Plates

With plates around one calibre or less in thickness, penetration tends to occur by the formation of a plug of full plate thickness, with no front petals.1

Overmatched armour

An example of thin armour plate overmatched by 2–pounder shot, which has failed by plugging. Notice the lack of any front petals. From the private collection of Chris Shillito.

Equations Describing Normal Attack by Kinetic Energy Projectiles

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Copyright © 2000 David Michael Honner. E-mail: GvA@wargamer.org.