屈曲状態におけるナイロンモノフィラメントの引張特性-2-摩擦力について〔英文〕

概要

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We investigated the frictional behaviour of a nylon mono-filament hung around a cylinder. The basic equations used in this paper are the following; 1) the relation between the frictional force f and the normal force R is governed by f=α.Rnwhere a is frictional coefficient and n frictional index, 2) the area of contact between the nylon mono-filament and the cylinder is approximated by an ellipse x2/m2+y2/l2=1, where m is contact length and l contact width, and 3) the pressure per unit contact length, P, is given by p=k.y2, where value of k changes with the materials and the contact condition, and its dimension [force]/[length]8. Using the above three relations we calculated the frictional force and obtained the tensile strength of the nylon mono-filament hung around the cylinder. A close agreement between the theoretical and experimental values was obtained.
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