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Influence of grain size on the deformation behaviour of Armco iron

Einfluß der Korngröße auf die Umformung von Armco-Eisen
 
: Reinders, B.-O.; Weimann, K.

American Defense Preparedness Association -ADPA-, Arlington/Va.:
12th International Symposium on Ballistics 1990. Proceedings
Arlington/Va.: ADPA, 1990
S.390-399 : Abb.,Tab.,Lit.
International Symposium on Ballistics <12, 1990, San Antonio/Tex.>
Englisch
Konferenzbeitrag
Fraunhofer EMI ()
Armco-Eisen; Armco iron; ballistic testing; ballistischer Test; dynamic material property; dynamisches Materialverhalten; EFP; explosively formed projectile; grain size; Korngröße; Leistung von EFP; performance of EFP; sprenggeformtes Projektil

Abstract
A correlation between the mechanical properties of Armco iron and the ballistic behaviour of appropriate liners, to produce Explosively Formed Projectiles (EFP), is presented. The intention of this research is to improve the ballistic behaviour of EFP's by optimizing the liner material. The mechanical behaviour of Armco iron with three different grain sizes was investigated under quasistatic and dynamic tensile loading within a strain rate regime of from 5 x 10 high -4 to 1 x 10 high 4 s high -1 and a temperature regime of from -196 degree C to 800 degree C. Liners of seven Armco iron qualities were shot with a Composition B filled charge in order to determine the influence of grain size and pre-work on the shaping of the projectile.

: http://publica.fraunhofer.de/dokumente/PX-18414.html