Possibility of a vortex mechanism of displacement of the grain boundaries under high-rate shear loading

S. G. Psakh'e, K. P. Zol'nikov

    Результат исследований: Материалы для журналаСтатья

    29 Цитирования (Scopus)

    Аннотация

    The behavior of the boundaries of grains of special type in the material during high-rate shear loading was studied numerically. Two paths of evolution of the simulated system were shown: an intense rearrangement of the intergrain boundary occurs at high deformation rates and the process of relaxation of the energy supplied to the material is accomplished by displacing the boundary as the intensity of loading is decreased. The calculations showed that the intergrain boundary can be shifted with an abnormally fast speed. Vortex collective motion of the atoms causes high velocities of displacement of the grain boundaries.

    Язык оригиналаАнглийский
    Страницы (с-по)366-368
    Число страниц3
    ЖурналCombustion, Explosion and Shock Waves
    Том34
    Номер выпуска3
    СостояниеОпубликовано - мая 1998

    ASJC Scopus subject areas

    • Chemical Engineering(all)
    • Fluid Flow and Transfer Processes
    • Physical and Theoretical Chemistry
    • Energy Engineering and Power Technology
    • Fuel Technology
    • Engineering (miscellaneous)
    • Materials Science(all)

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