Simulation of the Process of Grain-Boundary Melting in Aluminum

Simulation of the Process of Grain-Boundary Melting in Aluminum

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...

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Veröffentlicht in:Russian physics journal 2016-04, Vol.58 (12), p.1732-1740
Hauptverfasser: Weckman, A. V., Demyanov, B. F., Dragunov, A. S.
Format: Artikel
Sprache:eng
Schlagworte:
Condensed Matter Physics
Grain boundaries
Grain industry
Hadrons
Heavy Ions
Lasers
Mathematical and Computational Physics
Molecular dynamics
Nuclear Physics
Optical Devices
Optics
Photonics
Physics
Physics and Astronomy
Theoretical
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Zusammenfassung: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.
ISSN:1064-8887
1573-9228
DOI:10.1007/s11182-016-0709-8