Olivier Rochez
The effect of fabric compaction and yarn waviness on 3D woven structures is a topic of significant importance in textile engineering and advanced composite materials. In the context of 3D weaving, fabric compaction refers to the degree to which the layers of woven fabric are compressed or compacted during the manufacturing process. Yarn waviness, on the other hand, pertains to the inherent curvature or bending of yarns within the woven structure, which can occur due to various factors, including the weaving process itself. Fabric compaction plays a crucial role in determining the mechanical properties of 3D woven materials. When the fabric layers are tightly compacted, it can lead to increased material density and improved interlayer bonding. This, in turn, enhances the structural integrity and stiffness of the final 3D woven composite. However, excessive compaction can also result in reduced permeability, making it challenging for resin to impregnate the fabric during the composite manufacturing process.
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