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In situ deformation experiments were performed in a transmission electron microscope to investigate the mechanical properties of submicron-sized Pd 40Cu30Ni10P20 metallic glass (MG) wires. Results show that the submicron-sized MG wires exhibit intrinsic ultrahigh tensile strength of 2.8 GPa, which is nearly twice as high as that in their bulk counterpart, and 5% elastic strain approaching the elastic limits. The tensile strength, engineering strain at failure and deformation mode of the submicron-sized MG wires depend on the diameter of the wires. 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
author list (cited authors)
Wang, Y. B., Lee, C. C., Yi, J., An, X. H., Pan, M. X., Xie, K. Y., ... Wang, W. H.