Page 179 - 3D Fibre Reinforced Polymer Composites
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168                 30 Fibre Reinforced Polymer Composites



















                           Resin pocket                       Throug h-thickness
                                     7                        segment of stitch



























                                                            Surface segment
                                                            of stitch








                                                   (4

                Figure  8.4  Photographs  and  illustrations  of  stitching  damage.  (a) Dry  woven  fabric
                showing broken  fibres caused by stitching. (b) Schematic and (c) photograph  showing
                the local misalignment of fibres around a stitch. From Mouritz and Cox (2000) and Wu
                and  Liau  (1994), respectively.  (d) Schematic  of  fibre crimping  caused  by  stitching.
                (From Mouritz and Cox, 2000).
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