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Appendix D  Summary of the low velocity impact properties



                   Table D1       Summary the effect of stacking sequence on the low velocity impact
                   properties



                                                           Effect of stacking sequence

                       Hybrid composite                   PF                           PE


                                                SL        IC      % diff.     SL       IC    % diff.


                     G2/B3/G2 vs [G/B]3G      2872.6    2742.3      4.5       7.95    8.63     -8.6

                      G2/J3/G2 vs [G/J]3G     3302.8    3749.0     -13.5      6.76    7.53    -11.4


                      G2/F3/G2 vs [G/F]3G     3424.5    2881.4      15.9      8.90    8.36     6.1


                   Remarks:

                   PF – Peak force (N)
                   PE – Peak energy (J)










































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