Conical impact fragmentation test (CIFT)

Neel, Christopher; Sable, Peter; Flater, Philip; Lacina, David

doi:10.1016/j.ijimpeng.2020.103540

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“…Consequently, previous experimental studies generally considered simplified reducedscale configurations such as expansion of a hemispherical shell [2,3], a cone [4] or a cylinder [5,6]. In [6], a cylinder of high explosive was also used to accelerate several rings simultaneously.…”

Section: Introductionmentioning

confidence: 99%

Plate-impact-driven ring expansion test (PIDRET) for dynamic fragmentation

et al. 2021

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A new experimental set-up mounted at the muzzle of a singlestage gas gun has been designed in order to study the fragmentation of metallic rings under dynamic radial expansion. This concept takes advantage of the quasi-incompressibility of HDPE whose radial flow under plate impact-like loading is used to apply a pressure boundary condition at the ring’s inner surface. For the experimental configurations considered in the present work, the average strain rate in the ring reaches values close to 104 s-1. The repeatability and the reliability of the experiments are verified for rings made of steel and aluminium.

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