Abstract
A design method for an embroidery-based TFP (tailored fiber placement) was proposed, in which fiber bundles were placed along desired directions by an embroidery machine. To verify availability of the method a CFRP laminate plate optimized for a bending-torsion problem was processed and they were evaluated by the calculation and the experiment. Result showed that the stiffness of the plate could be improved by the TFP both in the calculation and the experiment although the difference between them was significant quantitatively. It was found from discussions that consideration of damage of the fiber bundles plays important roles on prediction of the properties of composites with the TFP layers.
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