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Surface stress induced structural transformations and pseudoelastic effects in palladium nanowires
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10.1063/1.2976434
/content/aip/journal/apl/93/9/10.1063/1.2976434
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/9/10.1063/1.2976434
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Six snapshots depicting the time evolution of a Pd nanowire during the spontaneous, surface-stress-driven, fcc to bct phase transformation at . Snapshots of the Pd wire at 1, 7, 11, 15, 20, and , respectively, are shown here.

Image of FIG. 2.
FIG. 2.

Snapshots of the wire at strains 0.125%, 6.6%, 15.4%, 36.8%, and 44.1%, respectively, depicting the dynamic progression of the bct to fcc phase transformation in the Pd wire loaded in tension at .

Image of FIG. 3.
FIG. 3.

Stress-strain curve for the Pd wire undergoing reversible bct to fcc phase transformation during loading and unloading at .

Image of FIG. 4.
FIG. 4.

Stress-strain curve for the Pd wire during loading and unloading at . At this cross-sectional area, upon loading and unloading, the nanowire maintains the fcc crystal structure and undergoes reversible lattice reorientation from the (original) structure to the (stretched) wire structure.

Image of FIG. 5.
FIG. 5.

Stress-strain response during quasistatic loading of both and Pd wires (the dotted lines indicate the plateau stresses during the bct to fcc phase transformation).

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/content/aip/journal/apl/93/9/10.1063/1.2976434
2008-09-03
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Surface stress induced structural transformations and pseudoelastic effects in palladium nanowires
http://aip.metastore.ingenta.com/content/aip/journal/apl/93/9/10.1063/1.2976434
10.1063/1.2976434
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