Atomic ordering in Cu-Al-Ni: Point approximation and Monte Carlo simulations
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文摘
The ordering reactions in β Cu-Al-Ni are modelled through analytical and numerical methods. The model satisfactorily reproduces the experimentally measured ordering reactions. A wide A2 + B2 two-phase field is predicted. Ordering to B2 proceeds by a nucleation and growth mechanism. The ordering mechanism is different than in other Cu-Al based alloys.

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