Abstract

Stacking sequence and angle of orientation play important role in material properties of Carbon Fiber Reinforced Plastic (CFRP). This study focused on hoop compression test performance on asymmetrical stacking sequence of CFRP filament wound structure laminates. Filament wound structure were modelled with three different stacking sequences of winding angle comprising unidirectional (UD) and asymmetrical multidirectional (MD). As the stacking sequences were asymmetrical, flipped and non-flipped stacking sequence were investigated by means of ANSYS Workbench software. Hoop compression test performance were analyzed according to ASTM D2412-11 standard test method. The simulation study reveals delamination events in filament wound pipe model happened to be similar with delamination events in experimental study. The simulation study also shows laminates dominated with 0° ply shows better pipe stiffness in hoop compression test where the stiffness was 2 times higher compared with pipes with angle ply. However, the pipe deflection shows dependency on flipped or non-flipped stacking sequence in the pipes and not solely depend on 0° ply composition. The final result recommends selection of stacking sequence and 0° ply composition must be properly designed to ensure better delamination fracture toughness of filament wound structures.

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