The effect of fiber orientation on the energy absorption capability of axially crushed composite tubes
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An experimental investigation to optimize the absorbed energy of axially crushed composite collapsible tubular energy absorber devices was carried out. Different fiber orientation were used in this study (0/90, 15/−75, 30/−60, 45/−45, 60/−30 and 75/−15). The cost effective wet wrapping process was used to fabricate the specimens. The quasi-static crush test was performed under the ambient conditions. The results showed the advantage of laying the woven fiber to 15°/−75° and 75°/−15°, in terms of the pre-crushing loading capacity and the energy absorbed. In addition, by means of visual and the optical microscopy observations, the failure modes of the all the specimens were discussed and categorized.
- Mechanical & Industrial Systems Engineering [152 items ]