Multifunctional steel fibre reinforcement - Wolfsburg AG
Multifunctional steel fibre reinforcement - Wolfsburg AG
Multifunctional steel fibre reinforcement - Wolfsburg AG
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Absorbed energy at penetration<br />
normalised to plate thickness<br />
(J/mm)<br />
Impact tests on composite<br />
Result<br />
Steel <strong>fibre</strong> reinforced: penetration impact resistance comparable on a weight basis<br />
to state-of-the-art high toughness thermoplastic composites, combined with a considerably<br />
higher material stiffness<br />
The impact resistance of the 14 μm <strong>fibre</strong>s is lower, because of the lower <strong>fibre</strong> toughness<br />
Good adhesion (HDPE-MA) lowers the penetration energy absorption.<br />
60<br />
50<br />
40<br />
30<br />
20<br />
10<br />
0<br />
Specific penetration energy; energy normalised to plate<br />
Penetration impact energy energy normalised normalised to to plate thickness Specific (J/mm) penetration energy normalised to<br />
thickness and material density<br />
plate thickness<br />
plate thickness and density<br />
30μm (0/90)<br />
<strong>steel</strong> PP-PE<br />
30μm (0/90)<br />
<strong>steel</strong> HDPE-<br />
MA<br />
14 μm (0/90)<br />
<strong>steel</strong> PP-PE<br />
glass PP<br />
(Twintex)<br />
Self<br />
reinforced<br />
PP (Curv)<br />
· 19 · Sophie Vandewalle – October 2010<br />
18 ,0 0<br />
16 ,0 0<br />
14 ,0 0<br />
12 ,0 0<br />
10 ,0 0<br />
8,00<br />
6,00<br />
4,00<br />
2,00<br />
0,00<br />
30μm (0/90)<br />
<strong>steel</strong> PP-<br />
PE<br />
30μm (0/90)<br />
<strong>steel</strong><br />
HDPE-MA<br />
14 μm (0/90)<br />
<strong>steel</strong> PP-<br />
PE<br />
glass PP<br />
(Twintex)<br />
Energy absorption<br />
Self<br />
reinforced<br />
PP (Curv)<br />
3
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