Force-Extension Behavior of Helically Wrapped Elastic Core Yarns

  title={Force-Extension Behavior of Helically Wrapped Elastic Core Yarns},
  author={George M. Abbott},
The force-extension behavior of a helically wrapped rubber-like core up to the point of wrap failure has been theoretically analyzed. In addition to the forces required to extend the wrap and core, there is a significant Poisson effect because the wrap applies a radial pressure to the core, particularly at higher helix angles.Agreement between theory and experiment for gum-rubber cores closed butt wrapped with paper tapes was satisfactory, except at high strains where an increasing proportion… CONTINUE READING