Influence of Fiber Orientation on Impact Resistance Behavior of Woven Sisal Fiber Reinforced Polyester Composite

Table 4

Experimental data representing absorbed energy and impact strength for 30°/60° and 30°/45° orientation.

Item no.	30°/60° toughness (J/mm^2)	30°/60° absorbed energy (J)	30°/60° ASTM impact strength (J/m)	30°/60° ISO impact strength (KJ/m^2)	30°/45° toughness (J/mm^2)	30°/45° absorbed energy (J)	30°/45° ASTM impact strength (J/m)	30°/45° ISO impact strength (KJ/m^2)
1	0.01	0.64	213.33	112.28	0.01	0.84	280	147.36
2	0.01	0.78	260	136.84	0.01	0.75	250	131.57
3	0.01	0.71	236.67	124.56	0.01	0.78	260	136.84
4	0.01	0.7	233.33	122.81	0.01	0.77	256.67	135.09
5	0.01	0.79	263.33	138.59	0.01	0.78	260	136.84