Predictive modeling of textile composites

P. Potluri, A. Manan, K. Rashed, R. J. Young

    Research output: Chapter in Book/Conference proceedingConference contribution

    Abstract

    This paper investigates the influence of local tow perturbations on strain gradients in textile composite unit cells. 3D woven architectures consist of nearly straight reinforcing tows held together by relatively fine binders. Depending on the manufacturing process, individual tows may have both in-plane and out-of-plane waviness. Main objective of this work is to predict the influence of in-plane tow waviness on meso-scale strains. A simpler representative fabric construction, UniDirectional weave, has been modeled. Tow geometry takes into account the in-plane fiber waviness and varying tow cross-sections in a unit cell. Raman spectroscopy has been employed to measure fiber strains within a unit cell, and these strains have been compared with FE predictions. Copyright © 2009 by the American Institute of Aeronautics and Astronautics, Inc.
    Original languageEnglish
    Title of host publicationCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference|Collect Tech Pap AIAA ASME ASCE AHS Struct Struct Dyn Mater
    Publication statusPublished - 2009
    Event50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference - Palm Springs, CA
    Duration: 1 Jul 2009 → …

    Conference

    Conference50th AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
    CityPalm Springs, CA
    Period1/07/09 → …

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