The examination and interpretation of the properties of fibres using rheological measurements on non-uniform fibres
The use of mechanical measurements on fibres as a means of examining the properties of the fibre material is often complicated by the presence of dimensional and internal structural variability both within and between fibres (e.g. ref. 1–6). Ideally it would be desirable to work with uniform fibres but for natural fibres in particular, with their inherent variability, this is not a practical proposition. The investigator is therefore often forced to use non-uniform fibres and the situation is further complicated by the variation between individual fibres. It is important that the effects of this fibre non-uniformity on the observed behaviour be understood so that allowances can be made and a correct interpretation of the mechanical behaviour can be derived. Knowledge of the effects of fibre to fibre variability is also important since this provides an additional technique for extracting significant fibre structural information from the observed results.
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