Senf, H.H.SenfRothenhäusler, H.H.RothenhäuslerRaatschen, H.-J.H.-J.RaatschenPavel, W.W.PavelFuchs, S.S.Fuchs2022-03-082022-03-081989https://publica.fraunhofer.de/handle/publica/316729Numerical and experimental investigations of the penetration efficiency of segmented rods are performed. The penetration process of tungsten alloy rods with aspect ratios between 1 and 12.5, different segmentations, and various striking velocities is calculated numerically using the Lagrange code DYSMAS/L. Targets of high strength steel with semi-infinite and finite thicknesses are considered. The phenomenological penetration behavior of single and multiple segments is analyzed in detail. The residual penetration capability of homogeneous and segmented rods after perforating a target of finite thickness is characterized by residual mass, momentum, and energy. By experimental investigations the penetration depth achieved by rods with aspect ratios of 1, 2 and 3 and different segmentations is determined. By firing multiple shots into the same crater the effect of decreasing penetration capability of the segments is studied in relation to the strength of the material in the target after e ach impact. The reduction can be explained by work hardening and geometrical effects.endiffering aspect ratiodünnes StahlzielDurchmesser-Verhältnisexperimental investigationexperimentelle Untersuchunggeometrical effectGeometrieeffekthalbunendliches Stahlzielnumerical investigationnumerische UntersuchungStahlprojektiltungsten alloy rodverschiedene LängeWerkstoffeffektWolfram-Projektilwork-hardening effect620conference paper