Fiber Breakage During Carding
1984
Wood, Errol J. | Stanley-Boden, Paul | Carnaby, Garth A.
The model described in Part I has been evaluated using as a starting point fiber strength and withdrawal-force parameters derived from tensile testing. These param eters were then adjusted to give an optimum fit of the theory to published data. The differences in the measured and the fitted values could probably be mainly ascribed to differences between the wool types measured and those used in the published data and to differences between the slow loading in testing and the more rapid loading that occurs in carding. With optimum adjusted values of the parameters, it was possible to get good agreement between the predicted and the actual fiber length distributions after carding, except for a tendency for the proportion of short fibers to be underestimated. This was no doubt due to the nonconformity of actual fibers to some of the assumptions made.
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