Controlled explosively formed penetrator

Details Controlled explosively formed penetrator Controlled explosively formed penetrator

1988-02-09

1989-06-27

Nelson, Peter A.

Ammunition and explosives

Blasting

Detonation wave modifying

102309, 102476, F42B 102

Patent

active

048418641

ABSTRACT:
A method and apparatus for controlling the final shape of an explosively formed penetrator, in which a liner is explosively accelerated to high velocity to impact upon a mandrel and form a penetrator whose final shape, surface and mass distributions about its axis and along its length are determined by the mandrel shape. The shape of the mandrel can be varied to produce penetrators of optimal shape, depending upon the intended penetrator use. Such shape definition permits the dynamic formation of penetrators which have favorable static margins, which can be fin or spin stabilized, and which can have favorable shapes and mass distributions for effective target penetration.

REFERENCES:
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patent: 4080898 (1978-03-01), Gieske
patent: 4359943 (1982-11-01), Majerus
patent: 4466353 (1984-08-01), Grace
patent: 4474113 (1984-10-01), Kyro et al.
patent: 4499830 (1985-02-01), Majerus et al.
patent: 4510870 (1985-04-01), Walters
patent: 4543703 (1985-10-01), Wetzel et al.
Hermann, Jr. et al., "Experimental and Analytical Investigation of Self Fing Fragments for the Defeat of Armor at Extremely Long Standoff", Presented at Third International Symposium on Ballistics, Karlsruhe, Germany, in Mar. 1977.

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