An MD-simulation of the process of grain-boundary (GB) melting in aluminum is performed. General- and special-type GBs with the [100]-, [110]- and [111]-misorientations are investigated. It is shown that most GBs have lower melting temperatures than that of the single crystal. Grain-boundary melting occurs within the temperature interval from 0.75Тmelt to 0.95Тmelt. Low-angle boundaries and a special Σ11(113) boundary are found to be high-melting.
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Translated from Izvestiya Vysshikh Uchebnykh Zavedenii, Fizika, No. 12, pp. 58–65, December, 2015.
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Weckman, A.V., Demyanov, B.F. & Dragunov, A.S. Simulation of the Process of Grain-Boundary Melting in Aluminum. Russ Phys J 58, 1732–1740 (2016). https://doi.org/10.1007/s11182-016-0709-8
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DOI: https://doi.org/10.1007/s11182-016-0709-8