The process of rubber composite armor anti-shaped charge jet(SCJ) penetration was divided into four parts based on jet deformation thatoccurred when the SCJ penetrated the rubber composite armor. Results on theinterference speed interval, interference frequency, and surplus penetrationcapability of the SCJ with the rubber composite armor were derived based on thestress wave and Kelvin–Helmholtz instability theory. The effects of rubber layerthickness and dip angle of the armor for the composite armor anti-SCJ penetrationwere studied through theoretical, X-ray, and depth of penetration experiments. Theresults showed that when the dip angle was at 60° and the rubber layer thicknesswas in the range of 3 mm to 3.5 mm, the rubber composite armor seriouslydisturbed the stability of the SCJ. Thus, the rubber composite armor was found tohave the best protection capabi l i ty under these speci f ications.
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