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

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="129864.fig.0012a" src="https://static.hindawi.com/articles/amse/volume-2013/129864/figures/129864.fig.0012a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>Core thickness of 20 mm </td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="129864.fig.0012b" src="https://static.hindawi.com/articles/amse/volume-2013/129864/figures/129864.fig.0012b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b> Core thickness of 40 mm</td></tr></table></td></tr><tr class="fig-image" id="c"><td><img alt="129864.fig.0012c" src="https://static.hindawi.com/articles/amse/volume-2013/129864/figures/129864.fig.0012c.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(c) </b> Core thickness of 60 mm</td></tr></table></td></tr></table>

<table> Impacted surfaces, cross-sectional views, and optical surface metrology of the sandwiches subjected to 30 J of IKE.</table>

Advances in Materials Science and Engineering

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Figure 12

Figure 12: Damage Characterization of Polypropylene Honeycomb Sandwich Panels Subjected to Low-Velocity Impact 