Nonlinear Material Behavior Analysis under High Compression Pressure in Dynamic Conditions

Table 3

Comparative analysis of piezoelectric transducer and copper pressure at 25 mm.

Test ammo #	Mean of 10 fired rounds
	Piezo pressure [MPa]	Copper crusher		Difference
		Deformation [mm]	Pressure [MPa]	Piezo – copper
				[MPa]	%
1-NATO	317.28	0.858	297.69	19.59	6.17
2-NATO	316.2	0.839	293.6	22.6	7.15
3-NATO	308.125	0.85	296.9	11.22	3.64
1-NSTD	327.675	0.852	296.24	31.39	9.58
2-NSTD	319.305	0.859	297.77	21.53	6.74
3-NSTD	316.775	0.874	300.93	15.84	5.00

: percentage increased in piezo pressure with reference to copper crusher pressure.