• on the kinetics of localized plasticity domains emergent at the pre-failure stage of deformation process

    جزئیات بیشتر مقاله
    • تاریخ ارائه: 1390/01/01
    • تاریخ انتشار در تی پی بین: 1390/01/01
    • تعداد بازدید: 396
    • تعداد پرسش و پاسخ ها: 0
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     the behavior of localized plasticity domains occurring at the final stage of plastic flow process has been investigated. a series of runs was conducted on materials differing in crystal lattice type, which enabled establishment of the regular features exhibited by the flow process upon a transition to macroscopic necking and viscous failure. it is found that the most distinctive regularity is the occurrence of flow domains, which are moving in a concerted manner towards the pole of a bundle of domain trajectories plotted in the time–space co-ordinates. the deformation patterns are found to be related to the kinetics of nucleation and motion of localized plasticity fronts. the probable origin of the observed effects is considered.

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