Research Article

Experimental and Numerical Investigations of Textile Hybrid Composites Subjected to Low Velocity Impact Loadings

Table 4

AS4 Carbon Epoxy experimental results.

Number Impact level Drop height Laminate thickness Max impact load Time to reach max load Impact velocity Impact energy Impact duration
Unit → m mm kN ms m/s J ms

1 1 0.05 2.39 1.51 5.61 0.97 0.95 10.50
2 1 0.05 2.41 1.45 5.94 0.97 1.33 10.66
3 1 0.05 2.44 1.52 5.91 1.00 1.02 11.13

4 2 0.10 2.41 2.15 4.78 1.34 1.38 11.21
5 2 0.10 2.41 2.06 5.55 1.40 1.64 12.41
6 2 0.10 2.36 2.12 5.44 1.34 1.46 12.09

7 3 0.15 2.44 2.40 4.67 1.64 2.87 11.94
8 3 0.15 2.46 2.25 5.54 1.61 2.64 12.61
9 3 0.15 2.34 2.34 4.51 1.66 3.36 12.44

10 4 0.20 2.39 2.35 3.26 1.91 4.65 13.06
11 4 0.20 2.44 2.41 5.46 1.91 4.26 12.85
12 4 0.20 2.39 2.39 5.88 1.96 5.33 13.04

13 5 0.25 2.44 3.19 5.2 2.12 4.98 11.69
14 5 0.25 2.34 2.65 3.66 2.16 6.39 13.39
15 5 0.25 2.39 2.60 3.48 2.14 6.10 12.99

16 6 0.30 2.44 3.53 4.45 2.32 8.41 11.96
17 6 0.30 2.36 2.38 6.02 2.37 8.96 15.10
18 6 0.30 2.36 2.48 6.12 2.41 8.77 15.45