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Monatomic metallic glasses (MGs), being the simplest glass formers, have been obtained successfully in recent experiments, offering unique possibilities for studying the local atomic structures in glasses. In this study, the atomic-level structures in tantalum (Ta) liquid and Ta monatomic MG have been analyzed using ab initio molecular dynamics simulations. A comparison of atomic structures in monatomic...
The deformation behavior of Ni76Cr19AlTiCo has been investigated under compressive strains by up to 50% at temperatures ranging from 800°C to 1150°C, and at strain rates from 0.001s −1 to 1s −1 . A dramatic change in the mechanical properties of the alloy was observed when the temperature was increased from 850°C to 950°C, along with a rapid increase in grain size with increasing the...
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