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    Modeling Continuous Fiber Metal Matrix Composite as an Orthotropic Elastic-Plastic Material

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    An orthotropic plasticity model for describing the elastic-plastic behavior of metalmatrix composites is reviewed. This plasticity model is derived based on a plastic potential function which is a quadratic form in stresses. Simple uniaxial loading on off-axis specimens is used to determine the parameters in the model. A boron-aluminum composite is used in the experimental validation of the model.


    orthotropic plasticity, boron-aluminum composites, plastic Poisson's ratio, micromechanical model, off-axis testing

    Author Information:

    Sun, CT
    Professor, School of Aeronautics and Astronautics, Purdue University, West Lafayette, IN

    Committee/Subcommittee: D30.04

    DOI: 10.1520/STP22853S