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Atomic mechanisms are investigated for solid-state amorphization using a diffusion couple made of metallic glass Cu46Zr54 and single-crystal Al. Our extensive molecular dynamics simulation reveals that amorphization occurs in the crystalline metal at the interface via a series of highly coordinated and complex atomic motion involving all elements in both the glassy phase and the crystal. Chemical...
Interdiffusion cross the interface between metallic glass CuZr and crystal Al is investigated using molecular dynamics simulation. We show that the interdiffusivity is highly asymmetric in the adjacent amorphous and crystal phases and strongly concentration dependent. Anomalous interdiffusion is observed in the interdiffusion zone grown from the initial interface. The underlying mechanisms of the...
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