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Multiple Adiabatic Shear Bands in Ti–6Al–4V Targets under Ballistic Impact

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Abstract:

In order to research the formation and spread of adiabatic shear bands in Ti-6Al-4V targets, LS-DYNA code is used to simulate the ballistic impact process. The projectile used in the impact test is a flat-headed steel cylinder with diameter of 7.62mm and length of 39mm. The results of simulated and impact test are in good agreement. Multiple adiabatic shear bands form in Ti-6Al-4V targets under high-speed ballistic impact. Adiabatic shear bands were found to extend parallel with a certain distance. The formation and distribution of adiabatic shear bands was related to the breaking-off of projectiles, which was caused by the distribution of maximum shear stress in Ti-6Al-4V targets and projectiles.

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Periodical:

Advanced Materials Research (Volumes 581-582)

Pages:

448-452

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.581-582.448

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Online since:

October 2012

Authors:

Kai Sun, Xiao Dong Yu, Shu Hua Li, Cheng Wen Tan, Fu Chi Wang

Keywords:

Adiabatic Shear Band (ASB), Ballistic Impact, Numerical Simulation, Ti6Al4V

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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