During weaving, warp is the yarns that are being stressed to maintain the tension, there will definitely have residual stress in the yarns that are in the warp direction. This eventually results in the reduction in the fabric strength. However, the previous studies have demonstrated that the fabric strength in warp direction is better than weft. Is this because of the high warp tension will result in the high crimp level of the weft, which reduces the weft strength? So, does that mean crimp level is the dominant factor instead of residual stress in determining the fabric strength?

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