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Article: Size dependent mechanical properties of single crystalline nickel nanowires
Title | Size dependent mechanical properties of single crystalline nickel nanowires |
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Authors | |
Issue Date | 2012 |
Citation | Journal of Applied Physics, 2012, v. 111, n. 6, article no. 063524 How to Cite? |
Abstract | Using a simple micromechanical device, in situ tensile testing of single crystalline nickel (Ni) nanowires (NWs) with different diameters (100 to 300 nm) and crystalline orientations was performed inside a scanning electron microscope. With the aid of a quantitative nanoindenter and corresponding theoretical analysis, the load applied to the sample and the sample displacement were ascertained from nanoindenter load versus displacement curves so as to obtain engineering stress-strain curves. Limited plasticity and brittle-like fracture modes were evident in the Ni NWs investigated, and the breaking strength values were found to be much higher than that of the bulk material. More important, the critical resolved shear stress was found to increase as the NW diameter decreased, showing strong size dependence. The quantitative experimental results from this work could offer important insights into the origin of the size dependent mechanical behaviors of metals at the nano-scale. © 2012 American Institute of Physics. |
Persistent Identifier | http://hdl.handle.net/10722/326061 |
ISSN | 2023 Impact Factor: 2.7 2023 SCImago Journal Rankings: 0.649 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Peng, Cheng | - |
dc.contributor.author | Ganesan, Yogeeswaran | - |
dc.contributor.author | Lu, Yang | - |
dc.contributor.author | Lou, Jun | - |
dc.date.accessioned | 2023-03-09T09:57:44Z | - |
dc.date.available | 2023-03-09T09:57:44Z | - |
dc.date.issued | 2012 | - |
dc.identifier.citation | Journal of Applied Physics, 2012, v. 111, n. 6, article no. 063524 | - |
dc.identifier.issn | 0021-8979 | - |
dc.identifier.uri | http://hdl.handle.net/10722/326061 | - |
dc.description.abstract | Using a simple micromechanical device, in situ tensile testing of single crystalline nickel (Ni) nanowires (NWs) with different diameters (100 to 300 nm) and crystalline orientations was performed inside a scanning electron microscope. With the aid of a quantitative nanoindenter and corresponding theoretical analysis, the load applied to the sample and the sample displacement were ascertained from nanoindenter load versus displacement curves so as to obtain engineering stress-strain curves. Limited plasticity and brittle-like fracture modes were evident in the Ni NWs investigated, and the breaking strength values were found to be much higher than that of the bulk material. More important, the critical resolved shear stress was found to increase as the NW diameter decreased, showing strong size dependence. The quantitative experimental results from this work could offer important insights into the origin of the size dependent mechanical behaviors of metals at the nano-scale. © 2012 American Institute of Physics. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Applied Physics | - |
dc.title | Size dependent mechanical properties of single crystalline nickel nanowires | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1063/1.3698625 | - |
dc.identifier.scopus | eid_2-s2.0-84859531888 | - |
dc.identifier.volume | 111 | - |
dc.identifier.issue | 6 | - |
dc.identifier.spage | article no. 063524 | - |
dc.identifier.epage | article no. 063524 | - |
dc.identifier.isi | WOS:000302221700041 | - |