Dynamic response of aluminium sheet 2024-T3 subjected to close-range shock wave: experimental and numerical studies

Journal of Materials Research and Technology

Shukur Abu Hassan¹  Mohd Yazid Yahya²  Li Xin³  Michal Petrů⁴  Ali Farokhi Nejad⁴  Amin Bassiri Nia⁴  Seyed Saeid Rahimian Koloor⁴  Amran Ayob⁵ 

[1] Corresponding author.;Department of Material Science and Engineering, Nanjing University, Jiangsu, China;Department of Mechanical and Aerospace Engineering, Politecnico di Torino, Torino, Italy;Center for Advanced Composite Materials, School of Mechanical Engineering, University Technology Malaysia, Malaysia;;National Laboratory of Solid State Microstructures &

关键词: Near-field shock wave;    Stand-off distance;    Dynamic behaviour;    Finite element method aluminium alloy sheet;    Failure mechanics;   

DOI  :  

来源: DOAJ

【 摘 要 】

This present study investigates experimentally and numerically the behaviour of 1 mm thick aluminium 2024-T3 alloy sheets from near field shock waves. A comparison and examination are undertaken with respect to global deformation and plastic damage formation from two different stand-off distances of 4 mm and 50 mm that were exposed to a constant charged mass. A 4-cable instrumented pendulum blast set-up was used to carry out and monitor the blast test. The results of the blast test were subsequently used to simulate the pressure history for different stand-off distances. The simulation involved implementing a user subroutine in ABAQUS/Explicit solver to model non-uniform pressure fields for use in finite element simulation. The results provided a strong alignment of the numerical method when compared with the experimental data. The main outcome of this study is to show the significant effect of the changing damage from highly localised perforation to global deformation when the stand-off distance is changed from 4 mm to 50 mm.

【 授权许可】

Unknown