Effect of projectile nose shape, impact velocity and target thickness on deformation behavior of aluminum plates

By N. Gupta, M. Iqbal, G. Sekhon. 2007

204 citations recorded by the source corpus.

The present study deals with the experimental and numerical investigations of aluminum target plates impacted by blunt, ogive and hemispherical nosed steel projectiles. The projectiles were normally impacted on the target plates of 0.5, 0.71, 1, 1.5, 2, 2.5 and 3 mm thicknesses at different velocities with the help of a pneumatic gun. Effect of projectile nose shape, impact velocity and plate thickness on the deformation of the target plates was studied. Hemispherical nosed projectile caused highest global deformation (dishing) of the target plates. Ogive nosed projectiles were found to be the most efficient penetrator for the case of plates of thicknesses 0.5, 0.71, 1.0 and 1.5 mm. For the case of plates of thicknesses 2.0, 2.5 and 3.0 mm however, blunt nosed projectiles required least energy to perforate the target plates. The ballistic limit velocity of hemispherical nosed projectiles was found to be highest as compared to the other two projectiles. Finite element analysis of the problem was carried out using ABAQUS finite element code. Results of the numerical analysis were compared with the experiments and good correlation between the two was found.

Subfields: Aerospace Engineering, Civil and Structural Engineering, Materials Chemistry

View Paper: https://www.semanticscholar.org/paper/2080a1067c020a1c484e027f800b82cc51988968

How researchers see this paper

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In Aerospace Engineering

1. T. Wierzbicki
2. T. Børvik
3. S. Dey
4. O. Hopperstad
5. X. Teng
6. E. Flores-Johnson
7. L. Edwards
8. M. Saleh

In Civil and Structural Engineering

1. T. Børvik
2. O. Hopperstad
3. T. Wierzbicki
4. S. Dey
5. X. Teng
6. E. Flores-Johnson
7. L. Edwards
8. M. Saleh

In Materials Chemistry

1. T. Børvik
2. T. Wierzbicki
3. O. Hopperstad
4. X. Teng
5. S. Dey
6. E. Flores-Johnson
7. D. Mohr
8. M. Langseth

Citations in the corpus

• On the ballistic resistance of double-layered steel plates: An experimental and numerical investigation (2007, background): “Gupta et al. (2007) presented an experimental and numerical investigation of the behaviour of thin layered aluminium plates of different thicknesses under the impact of flat, ogival and hemispherical steel projectiles.”
• A Comparative Study of Ballistic Resistance of Sandwich Panels with Aluminum Foam and Auxetic Honeycomb Cores (2013, unknown): “[30].”