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Observation of pseudoelastic behavior in large Cu-Ni composite multilayer nanowires
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ABSTRACTIn recent years, studies have shown that single crystal metallic nanowires (NWs) can exhibit unique pseudoelastic behavior when their cross-sectional area is smaller than a certain critical value, which is on the order of a few nms. The mechanism responsible for this behavior is the formation of partial dislocations (twinning). In this paper we demonstrate using molecular dynamics simulations that thicker composite nanowires can exhibit pseudoelastic behavior at large cross-sectional dimensions to 28 nm and higher, as long as the individual layer thickness do not exceed a critical value of 1.8-2 nm, thus making their manufacturing feasible and more attractive.
Springer Science and Business Media LLC
Title: Observation of pseudoelastic behavior in large Cu-Ni composite multilayer nanowires
Description:
ABSTRACTIn recent years, studies have shown that single crystal metallic nanowires (NWs) can exhibit unique pseudoelastic behavior when their cross-sectional area is smaller than a certain critical value, which is on the order of a few nms.
The mechanism responsible for this behavior is the formation of partial dislocations (twinning).
In this paper we demonstrate using molecular dynamics simulations that thicker composite nanowires can exhibit pseudoelastic behavior at large cross-sectional dimensions to 28 nm and higher, as long as the individual layer thickness do not exceed a critical value of 1.
8-2 nm, thus making their manufacturing feasible and more attractive.
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