Simulated multi-component CuZr(Al) metallic glasses akin to experiments
arXiv (Cornell University)(2023)
摘要
We study a three-component CuZrAl metallic glass system by means of a
combined Monte Carlo and Molecular Dynamics simulations scheme. This hybrid
method allows us to generate equilibrated samples at temperatures below the
conventional glass transition for the first time, achieving a more stable
glassy regime. By using a realistic potential for the interactions of metallic
species, we explore the kinetics, thermodynamics, and rheology of a CuZrAl
glass, and then compare these findings with those of the ubiquitous CuZr.
Remarkably, the resulting sheared glassy configurations show an abrupt stress
drop corresponding to the shear band, akin to experimental observations. Our
results pave the way for theoretical studies of complex metallic glasses and
offer comparisons with experiments.
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关键词
metallic,multi-component
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