4 Works

Axial compression behavior of thin-walled mild steel tubes subjected to axial impact

S.K. Tak & M.A. Iqbal
The finite element computations were performed on ABAQUS/Explicit solver to study the effect of wall thickness on axial crushing and energy absorption of the mild steel tubes under axial impact. Circular tube (60 mm diameter) and square tube (47.34 mm size) with varying wall thicknesses (1.1, 1.5, 2, 2.5, and 3 mm) were impacted axially by 5 kg projectile. A comparative study has also been carried out on axial compression behavior of tubes with circular...

A numerical study of ballistic behaviour of ceramic metallic bi-layer armor under impact load

M.K. Khan, M.A. Iqbal, V. Bratov, N.K. Gupta & N.F. Morozov
A 3D finite element model has been developed for studying the ballistic behaviour of bi-layer ceramic-metal target plates under the impact loads induced by the projectiles of different diameter to length ratios. The bi-layer target constituted of alumina 95, as front layer, backed by aluminium alloy 2024-T3 layer, has been impacted by steel 4340 blunt and ogival nosed projectiles of diameter to length ratios, 0.5 and 1.1. The constitutive behaviour of ceramic was modelled using...

BALLISTIC RESISTANCE OF CERAMIC METALLIC TARGET FOR VARYING LAYER THICKNESSES

M.K. Khan, M.A. Iqbal, V.A. Bratov, N.F. Morozov & N.K. Gupta
The ballistic behaviour of a bi-layer ceramic-metal target against steel projectile with varying layer thicknesses has been investigated using a three-dimensional finite element model. The bi-layer target was made of alumina 99.5 % ceramic front layer and aluminium 2024-T3 metallic back layer with an areal dimension of 100×100 mm and the thickness of both layers were varied, with the total thickness of the composite being kept as 10 mm and 20 mm. A steel 4340...

Ballistic response and induced damage of plain and reinforced concrete plates

Kamran Kamran & M.A. Iqbal
The present study shows the comparison of ballistic response and induced damages of plain and reinforced concrete plates subjected to the normal impact of ogive-nosed steel projectiles. The evaluation of damage has been described by the presence of cracking and measuring the size of the crater in terms of equivalent diameter, formed at front and rear concrete surfaces. The ballistic limits of plain and reinforced concrete have been obtained through the varied projectile velocities. The...

Registration Year

  • 2021
    3
  • 2019
    1

Resource Types

  • Text
    4

Affiliations

  • Indian Institute of Technology Roorkee
    4
  • Institute of Problems of Mechanical Engineering
    2
  • Indian Institute of Technology Delhi
    2