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Advances in ballistic penetrating impact simulations on

Feb 01, 2021 · A36 steel target plates 12.7 mm Johnson-Cook model Mie-Gruneisen. Crater diameter, Penetration Bulge, numerical settings:SPH in Abaqus normal impact 10671097 m/s. MIL-P-46593A Standard fragment simulating projectile (FSP), 4340-H Steel, rigid and deformed single plate stacked double-plate cementitious 11.9 mm An Experimental and Numerical Investigation of an hot-rolled ASTM A36 steels plates were used. This material is relatively ductile and can elongate up to 20 % of its original length under tensile testing. Its physical and mechanical properties is given in Section 2 (for more details, see [19]). The punch used in the blanking experiments was made of DIN 1.2379 cold work tool steel (X155CrVMo 12-1).

BALLISTIC IMPACT SIMULATIONS USING THE NEW

Figure 1.2 A36 Steel Plate (Target) simulations use the Johnson-Cook failure initiation criterion, which is an empirical to be an A36 steel plate of dimensions 500 mm x 500 mm and thickness 12 mm. The projectile chosen is modeled on a .357 magnum bullet, which has a diameter of 20 mm. Collapse performance of composite steel frames under fire Mar 15, 2019 · Because of the lack of sufficient data on damage modeling of A36 and A500 Grade B steel, the values for the damage model used in this study were representative of 4340 steel as presented in Johnson and Cook . The 4340 steel does slightly differ in composition from A36 and A500 Grade B steel but the differences is thought to have negligible Destruction of High-Voltage Transformers in an Explosion Dec 23, 2020 · Figure 6 shows a comparison with other models for A36 steel . It is easy to see that the JohnsonCook model for \({{\dot {\varepsilon }}_{0}}\) = 1.0 s 1 for the strain rates of interest leads to results that differ slightly from the simpler CooperSimond model.

Differences Between Normalized and Annealed 4130 Steel

AISI 4130 steel has a specialized chemical composition that gives it a unique set of properties. The steel has a carbon content between 0.28 and 0.33 percent, a chromium content between 0.8 and 1.1 percent, manganese content between 0.7 and 0.9 percent, molybdenum between 0.15 and 0.25 percent and a silicon content between 0.15 and 0.35 percent. Dynamic material performance of cold-formed steel hollow Another consideration for modeling the blast response of hollow sections is the material dynamic increase factor (DIF) to be incorporated, as discussed in Section 1. Models that cater for the strain-rate effect, and which are commonly used for steel, are given by Johnson and Cook [] and by Cowper and Symonds []. Plastic Deformation of ASTM A36 Steel Using Two-Stage Target:A36 steel plate (152.4 mm x 152.4 mm x 12.7 mm) Projectile penetrates into the target material and create deformation on the other side. Numerical Development 2D axisymmetric, smooth particle hydrodynamics (SPH) model in LS-DYNA. *MAT_JOHNSON_COOK material card for plate and projectile. Gas Gun Facility

Plastic Deformation of Steel Plates Under High Velocity

Target:A36 steel (12.7 mm thickness) The target is bolted on a mounting plate. Measure material deformation under high velocity impact. Johnson-Cook material model Grüneisen equation of state (EOS) Spall is defined by a pressure cut-off (P min) value. Plastic Deformation of Steel Plates under High Impact Target:A36 steel plate (152.4 × 152.4 × 12.7 mm) Johnson-Cook Material Model with Failure Change of microstructure along the thickness (material flow). ss Impact zone A zone of compressed grains with a mixture of ferrite, pearlite and bainite, Removing failed elements from mesh in Abaqus model - Apr 28, 2015 · The penetrator is 0.58 inches long, has a radius of 0.2475 inches, is traveling at a speed of 3,000 fps, and is composed of 4340 steel. The target is 0.2450 inches thick, has a radius of 6.0 inches, is fixed in space, and is composed of A36 steel. To minimize the number of elements in the problem, a quarter symmetry was assumed. Model setup

Steel Channels in Southern California (CA) on Thomasnet

Distributor of cold rolled, hot rolled and HR ASTM-A36 steel channels. Comes in U or C shape configurations. Available in 10 to 20 ft. length and thickness up to 16 ga. Capabilities include plasma, waterjet and laser cutting, sawing, shearing, threading, grooving, punching and notching. Study of Hypervelocity Projectile Impact on Thick Metal PlatesThe dimensions of the ASTM A36 steel target plates were 152.4 × 152.4 × 12.7 mm. The thickness of the target plates was chosen to prevent their complete penetration due to projectile impacts at these velocities. Youngs modulus for this Lexan and A36 steel used in all experiments was 2.54 GPa and 200 GPa, respectively. 2.2. Methods The assembly is made from a solid 10- '' mm'' diameter The assembly is made from a solid 10- mm diameter 6061-T6 aluminum rod form A to B connected to an A-36 steel tube with an outer diameter of 12 mm and a wall thickness of 3 mm for section B to C

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View source for Removing failed elements from mesh in Abaqus model Removing failed elements from mesh in Abaqus modelStudy of hypervelocity projectile impact on thick metal Jan 01, 2016 · Both codes used the Johnson-Cook material model and the Mie-Grüneisen equation of state. Experiments and simulations were compared based on the physical damage area and the back surface velocity. Finally, the results of this study showed that the proposed simulation approaches could be used to reduce the need for expensive experiments