Abstract
The stitching yarn of NCF (Non Crimp Fabric) brings the improvement of out-of plane strength and the intricate microscopic structure. Although numerical method considering the microscopic structures based on the mesh superposition method has been proposed previously, the effects of the design parameters to damage development under bending load has not been investigated completely. In this study, three points bending test under static loading have been carried out. The specimens are NCF composites consisted of four plies whose stacking sequence has been [90/0]s, [0/90]s and the stitching pattern is promat. The effects of stitching yarn have been investigated by FE analysis based on the mesh superposition method. The results of the damage development of NCF (Non-Crimp Fabric) under bending load has been described.
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