Characterization of the Orthotropic Elastic Constants of a Micronic Woven Wire Mesh via Digital Image Correlation

    Authors

    S. M. Kraft; F. A. Moslehy; Y. Bai;A. P. Gordon

    Comments

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    Abbreviated Journal Title

    Exp. Mech.

    Keywords

    Orthotropic constitutive modeling; Digital image correlation; Poisson's; ratio; PLAIN WEAVE FABRICS; BEHAVIOR; Materials Science, Multidisciplinary; Mechanics; Materials Science, ; Characterization & Testing

    Abstract

    Woven structures are steadily emerging as excellent reinforcing components in dual-phase composite materials subjected to multiaxial loads, thermal shock, and aggressive reactants in the environment. Metallic woven wire mesh materials in particular display good ductility and relatively high specific strength and specific resilience. While use of this class of materials is rapidly expanding, a significant gap in property characterization remains. This research classifies the homogenized, orthotropic material properties of a representative twill dutch woven wire mesh through the use of in-plane uniaxial tensile experiments incorporating a Digital Image Correlation (DIC) strain measurement technique. Values for elastic modulus and Poisson's ratio are calculated from the experimental data, and shear modulus values are identified by means of constitutive modeling. This approach establishes a reproducible method for characterizing the in-plane elastic response of micronic metallic woven materials via macro-scale uniaxial tensile tests, and shows that a homogenous orthotropic constitutive model may be employed to describe the macro-scale elasticity of this class of materials with reasonable accuracy.

    Journal Title

    Experimental Mechanics

    Volume

    54

    Issue/Number

    4

    Publication Date

    1-1-2014

    Document Type

    Article

    Language

    English

    First Page

    501

    Last Page

    514

    WOS Identifier

    WOS:000333426300001

    ISSN

    0014-4851

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