A common interaction between a penetrator and a target has been the use of copper and nickel materials. However, a multiscale analysis has not been performed on such a system. Compared to steels, aluminum alloys, titanium alloys and other metallic materials, a description of the mechanical behavior of pure ductile metals such as Cu struck by a penetrator comprises nickel under the high strain rate at different multiscale still remains unknown. In this research, Modified Embedded Atom Method (MEAM) Potential is utilized to study this system and the molecular dynamics simulation is employed in order to provide structure property evolution information for plasticity and shearing mechanisms. It renders the transformative understanding of the relationship between multiscale simulation processes and the high-rate plastic deformation and damage mechanisms of metallic materials, including the micromechanical insights on how the stress tensor in x-direction varies during the atomistic penetration simulation.


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    Title :

    A Multiscale Study of Single Crystal Copper Plate with Octal Orientation Struck by a Nickel Projectile


    Additional title:

    Sae Technical Papers


    Contributors:

    Conference:

    WCX World Congress Experience ; 2018



    Publication date :

    2018-04-03




    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English





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