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Effects of Coupled Biaxial Tension and Shear Stresses on Decrimping Behavior in Pressurized Woven Fabric

[+] Author Affiliations
Paul V. Cavallaro

U.S. Naval Undersea Warfare Center

Claudia J. Quigley

U.S. Army Research Laboratory

Arthur R. Johnson

NASA Langley Research Center

Ali M. Sadegh

The City University of New York/CCNY

Paper No. IMECE2004-59848, pp. 13-21; 9 pages
doi:10.1115/IMECE2004-59848
From:
  • ASME 2004 International Mechanical Engineering Congress and Exposition
  • Textile Engineering
  • Anaheim, California, USA, November 13 – 19, 2004
  • Conference Sponsors: Textile Engineering Division
  • ISBN: 0-7918-4721-7 | eISBN: 0-7918-4178-2, 0-7918-4179-0, 0-7918-4180-4
  • Copyright © 2004 by ASME

abstract

Tension structures continue to be of increasing importance to military applications requiring both minimum weight, small packing volumes and enhanced deployment operations. However, in the case of inflated fabric structures, present design methods are not well established. Analytical tools required to efficiently design these structures lag behind those for conventional structures and materials. This is partly due to nonlinearities resulting from changes in fabric architecture upon loading. In particular, constitutive relationships need to be developed to establish the pressure-dependence and coupling effects of biaxial tension and shear loads. Through analysis and experiment, the present research addresses the changes in fabric architecture and, more specifically, the combined effects of biaxial tension, shear and crimp interchange on the global behavior of woven fabrics. Engineering test standards need to be prepared that capture the fabric’s mechanical behavior under a variety of coupled loading environments. A novel fixture is introduced for use in experimental testing of fabrics subjected to combined biaxial tension and shear loads.

Copyright © 2004 by ASME

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