| The Theoretical Ballistic Performance of Alumina
Ceramics and the Effect of Nano Oxides Addition Using
Finite Element Analysis |
Partha Haldar,a Mainak Ghosh,b Tarik Hassan,c Tapas Kumar Bhattacharyab and Nipu Modakc, *
Pages : 278-286
DOI : 10.1080/0371750X.2023.2240379 |
| Abstract |
| The present investigation has turned on the effect of nano CuO and TiO2 as a dopant on
ballistic performance of sintered alumina armours and its results are simulated using
finite element analysis. The model was constructed on armor-backing plate (Al6061-T6)
assembly with a steel made core and copper made outer jacketed bullet at high velocity
(820 m/s) by Ansys workbench. The depth of penetration of bullet drastically reduces
to 36.17% due to addition of 2 wt% nano CuO with respect to pure alumina. The same
optimized effect shown by 1 wt% nano TiO2 is about 40.42%. The residual velocity of
bullet gradually decreases with time and there is more reduction of residual velocity
of 38% and 56.82% at 140 ?s by addition of 2 wt% nano CuO and 1 wt% nano TiO2
respectively with respect to pure alumina. The alumina armours with 1 wt% nano TiO2
addition showed the best ballistic performance as compared to nano CuO.
[Keywords: Ballistic performance, Alumina, 7.62 M61 AP (armour piercing) bullet, Depth
of penetration] |
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