Size Effect Suppresses Brittle Failure in Hollow Cu sub(60)Zr sub(40) Metallic Glass Nanolattices Deformed at Cryogenic Temperatures
To harness "smaller is more ductile" behavior emergent at nanoscale and to proliferate it onto materials with macroscale dimensions, we produced hollow-tube Cu sub(60)Zr sub(40) metallic glass nanolattices with the layer thicknesses of 120, 60, and 20 nm. They exhibit unique transitions in...
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| Veröffentlicht in: | Nano letters 2015-09, Vol.15 (9), p.5673-5681 |
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| container_title | Nano letters |
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| creator | Lee, Seok-Woo Jafary-Zadeh, Mehdi Chen, David Z Zhang, Yong-Wei Greer, Julia R |
| description | To harness "smaller is more ductile" behavior emergent at nanoscale and to proliferate it onto materials with macroscale dimensions, we produced hollow-tube Cu sub(60)Zr sub(40) metallic glass nanolattices with the layer thicknesses of 120, 60, and 20 nm. They exhibit unique transitions in deformation mode with tube-wall thickness and temperature. Molecular dynamics simulations and analytical models were used to interpret these unique transitions in terms of size effects on the plasticity of metallic glasses and elastic instability. Keywords: Metallic glass; nanolattice; plasticity; elasticity; buckling |
| doi_str_mv | 10.1021/acs.nanolett.5b01034 |
| format | Article |
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They exhibit unique transitions in deformation mode with tube-wall thickness and temperature. Molecular dynamics simulations and analytical models were used to interpret these unique transitions in terms of size effects on the plasticity of metallic glasses and elastic instability. 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They exhibit unique transitions in deformation mode with tube-wall thickness and temperature. Molecular dynamics simulations and analytical models were used to interpret these unique transitions in terms of size effects on the plasticity of metallic glasses and elastic instability. Keywords: Metallic glass; nanolattice; plasticity; elasticity; buckling</abstract><doi>10.1021/acs.nanolett.5b01034</doi></addata></record> |
| fulltext | fulltext |
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| ispartof | Nano letters, 2015-09, Vol.15 (9), p.5673-5681 |
| issn | 1530-6984 1530-6992 |
| language | eng |
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| source | ACS Publications |
| subjects | Amorphous materials Deformation effects Harnesses Mathematical analysis Metallic glasses Molecular dynamics Nanostructure Plasticity |
| title | Size Effect Suppresses Brittle Failure in Hollow Cu sub(60)Zr sub(40) Metallic Glass Nanolattices Deformed at Cryogenic Temperatures |
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