Journal
JOURNAL OF NON-CRYSTALLINE SOLIDS
Volume 430, Issue -, Pages 94-98Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.jnoncrysol.2015.10.012
Keywords
Metallic glasses; Plastic deformation mechanisms; Molecular dynamics simulation
Funding
- National Basic Research Program of China (973 Program) [2013CB733000, 2015CB856800]
- National Natural Science Foundation of China [51271161, 51271162, 51421091]
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The transition from elasticity to plasticity in Zr35Cu65 metallic glass is investigated via molecular dynamics simulations. The plasticity is observed to be accompanied by the structural inhomogenity, which is manifested by the rearrangement of the polyhedra. Meanwhile, the interpenetrating icosahedral cluster network is partly destroyed upon the transition, which introduces free volume. A structural model is proposed to illustrate the transition. (C) 2015 Elsevier B.V. All rights reserved.
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