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Corresponding Author

Ebraheem, Hamdy

Subject Area

Textile Engineering

Article Type

Original Study

Abstract

In this paper a new scientific method is developed to measure the thickness of any three-dimensional limp structure such as fabrics whatever their type (woven, non woven, knitted, etc ), paper, and so on. The necessary condition is that these structures are very easy to bend. This method depends on mathematical relations and physical interpretations which are used to replace direct thickness measuring by fabric weight measuring after shaping (corrugating) it round light circular straight identical wires placed in one plane in a jamming situation. A formula is derived to obtain fabric thickness as a function of weight of corrugated fabric, wire diameter, and number of wires used. The result obtained for fabric thickness may be considered as an average value of a number of readings equal to the number of wires. Corrugating plane is preferred to be inclined to the vertical direction to avoid fabric compression Wire diameter must be proportional to both fabric thickness and fabric flexural rigidity. This means that, to make bending and therefore corrugating easier, wire diameter and angle of inclination, must be properly chosen. The idea of a new fabric thickness meter called HFtM is explained.

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