[PDF] Top 20 Experimental and numerical study on fragmentation of steel projectiles

... the lasers. Note that the measured Cauchy stress σ is equal to the von Mises equivalent stress σ in the uniaxial tension test because the specimens fractured before the onset of necking. The Cauchy stress – logarithmic ... See full document

... this study, a constitutive strength and failure model for a steel core of ...projectile steel core was described by the Johnson-Cook constitutive model combined with principal tensile stress spall ... See full document

... little experimental measurement of the crack growth path within the HAZ of a weldment because of difficulties associated with specimen manufacture and ...CrMoV steel weldment that were reconstituted into ... See full document

... of steel fibres in the cementitious matrix shall significantly increase the ability of the composite to resist crack formation and propagation (Bischoff, 2003; Jiang et ... See full document

... The schematic view of the test device is shown in Fig 1. A test strip was held at one end in a grip supported by a load cell. The specimen (No. 3 in the Fig 1) is wrapped around a cylindrical fixed roll with diameter of ... See full document

... stainless steel by FEM and showed that the coefficient of friction has an important role in chips’ formation, magnitude of cutting forces, stresses and ...performed numerical and experimental ... See full document

... The numerical predictions along with the experimental measure value are plotted in Figure 8 for the case-1 scenario at P1 location ...with steel frame at 15 % vol concentration of ...present ... See full document

... a study of impact and penetration of a hard-steel ogive-nosed projectile on a thick brittle ...the numerical depth of penetration and the agreement with the ... See full document

... The formability of sheet metals is mostly limited by the occurrence of localized necking, i.e. non-uniform strains within a small region in the plane of the sheet. Therefore, estimation of materials’ formability plays a ... See full document

... material.Stainless steel slag is one of the materials that is considered as a by- product(waste material) obtained during the matte smelting and refining of ...of steel slag (byweight) as a replacement for ... See full document

... such study was done by [14], wherein the response of an offshore fire partition wall is studied against dynamic deflagration ...The study of steel structures in natural fires was attempted by ... See full document

... Water-filled missiles have been tested also earlier at VTT and several articles have been published on those tests and corresponding analyses. Some general experimental findings of similar tests to the ones ... See full document

... this study, notched beams were used to determine fracture parameters by conducting four point bending ...fibre, steel fibre and combination of basalt and steel fibre content respectively were used ... See full document

... an experimental and numerical analysis on the martensitic transformation in AISI 304 steel sheets subjected to perforation by conical and hemi- spherical ...The experimental arrangement ... See full document

... In this section we have described how the modeling of a semi-static analysis is done. After modeling, the samples have been subjected to cyclic loading by the S4R element in order to extract the hysteresis curves for ... See full document

... lead projectiles after impact with steel plates, particularly the way in which the projectile fragments are distributed upon impact and the relationship between that distribution and the impact angle of the ... See full document

... vivo study by [44] demonstrated no evidence of dose-dependent effects onblood biochemistry and tissue histologyin mice treated with different intraperitoneal doses (40, 200, and 400 microg/kg/day) of ... See full document

... but experimental studies [3] and [4] showed that the buckling capacity of thin cylindrical shells is much lower than the amount determined in the classic theories ...the numerical methods based on the ... See full document

... In this study, the shear test apparatus with shear box size of 6 cm x 6 cm x 6 cm and the concrete specimens of size 6 cm x 6 cm x 1.4 cm. The concrete specimens were prepared by sand, cement, and water mixing ... See full document

... For the target armour plates two types of armour steel with varying hardness were selected. The pre-layers where chosen on the basis of hardness, thickness and applicability in ships. Table 1 shows the tested ... See full document