Advances in Materials Science and Engineering / 2013 / Article / Fig 4

Research Article

Damage Characterization of Polypropylene Honeycomb Sandwich Panels Subjected to Low-Velocity Impact

Figure 4

Load versus time plots for sandwich panels with different thicknesses (a) 20 mm, (b) 40 mm, and (c) 60 mm subjected to different impact energies.

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