Theoretical Analysis of Bulletproof Capability of Multilayer Ceramic Composites Subjected to Impact by an Armor Piercing Projectile

Table 7

Comparison of residual velocities.

No.	Target plate	Ballistic experiment		Theoretical model
		Average initial velocity (m/s)	Average residual velocity (m/s)	Initial velocity (m/s)	Residual velocity of the 0.30″ flat-nose AP model (m/s)	Error (%)	Residual velocity of the flat-nose steel core AP model (m/s)	Error (%)
1	10% 333 FGM + 4 mm Al backplate	844	301.7	844	425	29.01	327	7.74
2	10% 333 FGM + 1 mm Al backplate	850.7	489.9	850.7	576	14.95	508	3.56
3	5% 333 FGM + 4 mm Al backplate	847.7	297.9	847.7	412	27.69	311	4.21
4	5% 333 FGM + 1 mm Al backplate	842.8	473.7	842.8	562	15.71	494	4.11