Abstract:Compared with traditional guns, the cartridge belt of the Cased Telescope Ammunition (hereinafter referred to as CTA) is far away from the rifling when it is fired, which leads to a greater impact force in the process of extrusion, and further affects the barrel life and internal ballistic performance. A finite element model of the coupled projectile launching dynamics was established based on the elastic-plastic theory to study the mechanical characteristics of the extrusion process. The dynamic extrusion pro… Show more
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