Shaped Charge

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shaped charge

[′shāpt ′chärj]
An explosive charge with a shaped cavity that forces the impact of the explosion to the front so that there is an armor-piercing force. Also known as cavity charge.

Shaped Charge


a charge of explosive matter with a conical, spherical, or wedge-shaped hollow whose action is based on a cumulative effect.

The purpose of the shaped charge is the controlled destruction of solid materials. Shaped charges with a conical hollow—the height of which is equal to the diameter of the hollow opening and which has a metal lining (with a thickness of about one-thirtieth of the diameter of the hollow opening)—will pierce steel armor whose thickness is approximately four times the diameter of the hollow opening. Shaped charges are used in armor-piercing shells, in blasting caps, and for pulverizing odd-shaped rocks in quarries and breaking up other objects. A typical example of the use of shaped charges in military activity is in antitank rocket projectiles. These shells have a large hollow head which ensures that the shell explodes at the right distance from the obstacle so that its armor-piercing effect will be maximal. Another example is the linear shaped charge, which is elongated and has a metallined wedge-shaped hollow in the form of a trough. These charges are used to cut metal sheets, cores, and design elements, in particular when taking down surface and underwater structures.


References in periodicals archive ?
On this particular day, an Explosives Ordnance Demolition (EOD) team was preparing to detonate several shape charges on a live 2,000-pound bomb that had not exploded one hot August 2001 summer day As it turns out, three individuals unknowingly found themselves on the range driving dead straight towards the planned detonation.