Influence of Finishing Oil upon Internal Friction of Rayon Tire Cords

Abstract

It is common knowledge that spun yarns as well as twisted filament yarns show considerably non-linear vibration chracteristics, which seem traceable to intersurface friction between fibers constituting the yarns. In this paper the non-linear vibration characteristics are represented in terms of a degenerated visco-plasto-elasticity, taking into account of a continuous distribution of Coulomb's friction. The influence of finishing oils upon the continuous distribution of Coulomb's friction and the reduced complex dynamic compliance are also discussed.