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Effect of Fe Segregation on the Migration of a Non-Symmetric Σ5 Tilt Grain Boundary in Al
2005
Journal of Materials Research
We present an analysis, based upon atomistic simulation data, of the effect of Fe impurities on grain boundary migration in Al. The first step is the development of a new interatomic potential for Fe in Al. This potential provides an accurate description of Al-Fe liquid diffraction data and the bulk diffusivity of Fe in Al. We use this potential to determine the physical parameters in the Cahn-Lücke-Stüwe (CLS) model for the effect of impurities on grain boundary mobility. These include the
doi:10.1557/jmr.2005.0024
fatcat:qfqeaat7njexlbvpsokc74lqxu