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Mechanical Behavior of A265 Single Fibers

  • Jaeyoung Lim
  • James Q. Zheng
  • Karl Masters
  • Weinong W ChenEmail author
Conference paper
Part of the Conference Proceedings of the Society for Experimental Mechanics Series book series (CPSEMS)

Abstract

The mechanical behavior of A265 high-performance fibers was experimentally investigated at both low and high strain rates. Axial, transverse, and torsional experiments were performed to measure the five material constants on a single fiber assumed as a linear, transversely isotropic material. A miniature tension kolsky bar was modified to conduct high-rate tension experiments. A pulse shaper technique was adopted to generate a smooth and constant-amplitude incident pulse to produce deformation in the fiber specimen at a nearly constant strain rate. Quasi-static tensile tests performed at five different gage lengths showed the dependence of the tensile strength of this fiber on gage length. The transverse compression results in the large deformation range showed the transverse compressive behavior to be nonlinear and pseudo-elastic. The tensile strength of the fiber increased as the strain rate was increased from 0.001/s to 1500/s. Thus, unlike Kevlar® fibers, the tensile strength of the A265 fiber exhibits both rate and gage length effects.

Keywords

High Strain Rate Transverse Compression Fiber Specimen A265 Fiber PPTA Fiber 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jaeyoung Lim
    • 1
  • James Q. Zheng
    • 2
  • Karl Masters
    • 2
  • Weinong W Chen
    • 1
    Email author
  1. 1.Schools of Aeronautics/Astronautics and Materials EngineeringPurdue UniversityWest LafayetteUSA
  2. 2.US Army PM-Soldier EquipmentHaymarketUSA

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