Ballistic Characteristics of Bi-layered Armour with Various Aluminium Backing against Ogive Nose Projectile

J. Venkatesan, M. A. Iqbal, N. K. Gupta, V. Bratov, N. Kazarinov, F. Morozov

Research outputpeer-review

Abstract

The present study focused the effect of aluminium series backing layer on the ballistic resistance of bi-layer ceramic/metal target by means of three dimensional numerical simulation using ANSYS/AUTODYN explicit solver which is cable of modeling and solving the 3D explicit problems. The ceramic and metal layer of bi-layer target was alumina 95% and 1100-H12, 2024-T3, 6061, 7075 aluminium respectively and the impact velocity of ogive nose projectile of 4340 steel was 493, 820 and 1200 m/s. The strength and failure mode of alumina, and steel and aluminium under the projectile impact was computationally modelled by Johnson-Holmiquist (JH-2) model and Johnson-Cook (JC) model respectively. The results shows that ballistic resistance of bi-layer target significantly varied with the aluminium series. 7075 aluminium backing helped the bi-layer target to offer high resistance to the projectile penetration for all the impact velocities.

Original languageEnglish
Pages (from-to)40-47
Number of pages8
JournalProcedia Structural Integrity
Volume6
DOIs
Publication statusPublished - 1 Jan 2017

Scopus subject areas

  • Mechanical Engineering
  • Mechanics of Materials
  • Civil and Structural Engineering
  • Materials Science(all)

Cite this

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title = "Ballistic Characteristics of Bi-layered Armour with Various Aluminium Backing against Ogive Nose Projectile",
abstract = "The present study focused the effect of aluminium series backing layer on the ballistic resistance of bi-layer ceramic/metal target by means of three dimensional numerical simulation using ANSYS/AUTODYN explicit solver which is cable of modeling and solving the 3D explicit problems. The ceramic and metal layer of bi-layer target was alumina 95{\%} and 1100-H12, 2024-T3, 6061, 7075 aluminium respectively and the impact velocity of ogive nose projectile of 4340 steel was 493, 820 and 1200 m/s. The strength and failure mode of alumina, and steel and aluminium under the projectile impact was computationally modelled by Johnson-Holmiquist (JH-2) model and Johnson-Cook (JC) model respectively. The results shows that ballistic resistance of bi-layer target significantly varied with the aluminium series. 7075 aluminium backing helped the bi-layer target to offer high resistance to the projectile penetration for all the impact velocities.",
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Ballistic Characteristics of Bi-layered Armour with Various Aluminium Backing against Ogive Nose Projectile. / Venkatesan, J.; Iqbal, M. A.; Gupta, N. K.; Bratov, V.; Kazarinov, N.; Morozov, F.

In: Procedia Structural Integrity, Vol. 6, 01.01.2017, p. 40-47.

Research outputpeer-review

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T1 - Ballistic Characteristics of Bi-layered Armour with Various Aluminium Backing against Ogive Nose Projectile

AU - Venkatesan, J.

AU - Iqbal, M. A.

AU - Gupta, N. K.

AU - Bratov, V.

AU - Kazarinov, N.

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AB - The present study focused the effect of aluminium series backing layer on the ballistic resistance of bi-layer ceramic/metal target by means of three dimensional numerical simulation using ANSYS/AUTODYN explicit solver which is cable of modeling and solving the 3D explicit problems. The ceramic and metal layer of bi-layer target was alumina 95% and 1100-H12, 2024-T3, 6061, 7075 aluminium respectively and the impact velocity of ogive nose projectile of 4340 steel was 493, 820 and 1200 m/s. The strength and failure mode of alumina, and steel and aluminium under the projectile impact was computationally modelled by Johnson-Holmiquist (JH-2) model and Johnson-Cook (JC) model respectively. The results shows that ballistic resistance of bi-layer target significantly varied with the aluminium series. 7075 aluminium backing helped the bi-layer target to offer high resistance to the projectile penetration for all the impact velocities.

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