Effects of Fabric Structure on Frictional Properties

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Abstract
When the yarn sett of a woven fabric is systematically increased, there is also a systematic increase in the frictional resistance to motion, and it is greater for weft-over-weft motion than for warp-over-warp. The greater warp crimp producing a “knuckle effect” could be the explanation, although the diminishing spaces between the weft threads could also be a factor. In another case involving a series of pile-type woven fabrics, an increase in the height of fiber tufts produces an increase in the resistance to motion and also the amplitude of the stick-slip motion. A good linear relation exists between the number of peaks and number of cords. The size of cords and the degree of spacing between them may enhance interlocking and intermeshing of fiber pile.

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