The effect of gilding jacket material on the penetration mechanics of a 7.62 mm armour-piercing projectile

We have used forward ballistic, reverse ballistic and computational analysis techniques to interrogate the effect of the gilding jacket from a 7.62 mm × 51 mm FFV armour-piercing bullet during the penetration of ceramic-faced targets. When the gilding jacket is removed, it is shown that greater dama...

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Bibliographic Details
Published in:International journal of impact engineering 2013-04, Vol.54, p.11-18
Main Authors: Hazell, P.J., Appleby-Thomas, G.J., Philbey, D., Tolman, W.
Format: Article
Language:English
Subjects:
Aluminum oxide
Armour-piercing bullet
Ballistic impact
Ballistic penetration
Bullets
Ceramic armour
Ceramics
Computation
Gilding
Gilding metal
Penetration
Projectiles
Tungsten carbide core
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Summary:We have used forward ballistic, reverse ballistic and computational analysis techniques to interrogate the effect of the gilding jacket from a 7.62 mm × 51 mm FFV armour-piercing bullet during the penetration of ceramic-faced targets. When the gilding jacket is removed, it is shown that greater damage occurs to the core suggesting that the presence of the jacket is pre-damaging the ceramic before core arrival. This is confirmed through computational analysis. This work highlights possibilities in enhancing protection by pre-stripping the bullet's jacket prior to ceramic impact. ► Effect of bullet jacket on penetration mechanics into ceramic targets studied. ► Both forward-ballistic and reverse-ballistic experiments have been carried out. ► Flash X-ray used to capture penetration morphology of 7.62 mm FFV jacket. ► A bullet's gilding jacket pre-damages the ceramic prior to core arrival.
ISSN:0734-743X
1879-3509
DOI:10.1016/j.ijimpeng.2012.10.013