Table 2: Comparison of Impact response of NSIPs with OSB and G/PP SIPs.

Impact energy (J)205065
Velocity (m/s)2.64.04.7
Impact height (m)0.330.82107

SpecimenNSIPG/PPOSBNSIPG/PPOSBNSIPG/PPOSB
Total energy (J)16.613.814.944.330.46.9768.642.720.3
Energy at yield (J)18.52.130.89000−13.6
Energy at failure (J)17.414.815.546.234.86.9069.148.820.0
Maximum load (KN)3.22.042.094.96.570.745.08.232.03
Load at yield (KN)3.10.731.440.020−0.0200−0.85
Load at failure (KN)0.60.400.400.91.300.130.91.620.39
Defl. at max. load mm)14.017.510.919.720.812.522.723.561.0
Defl. at yield (mm)13.43.981.2000045.8
Defl. at failure (mm)11.411.08.6719.115.021.028.818.474.1
Total deflection (mm)7.55.645.7111.86.0422.327.57.8675.6