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Hemp








                       Stress (MPa)                         (#3) 1376/s   (#4) 1511/s






                                                (#2) 929/s                           (#5) 2258/s

                                          (#1) 629/s





                                                            Strain


                                  Figure 2.30    Stress-strain curves of hemp/vinyl ester





                              50% Hemp + 50% Glass

                                                                        (#5) 2269/s




                       Stress (MPa)                               (#4) 1768/s







                                                        (#3) 1332/s
                                               (#2) 866/s
                                      (#1) 657/s




                                                             Strain



                   Figure 2.31    Stress-strain  curves  of  hemp/glass  vinyl  ester  with  50/50  of  weight
                   fraction








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