effective fragment

effective fragment

[ə¦fek·tiv ′frag·mənt]
(ordnance)
In terminal ballistics, a fragment whose mass, velocity, and form, upon impact with the target are such as to enable the fragment to accomplish the desired effect.
References in periodicals archive ?
The software also showcases a unique method dubbed EFP or effective fragment potential.
Bearing in mind that the gunner's intention is to cover as wide a target area with effective fragments, when the payload detonates the HE M107 body produces an unpredictable number and spread of fragments that may vary in size from large chunks to useless dust.
Each Mat-120 bomblet can penetrate up to 150 mm of steel while scattering effective fragments over a 15-metre radius.
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