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Electromechanical responses of Cu strips
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10.1063/1.4804938
/content/aip/journal/jap/113/18/10.1063/1.4804938
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4804938

Figures

Image of FIG. 1.
FIG. 1.

Deflection of a copper strip of 0.085 mm in thickness as a function of time under the action of an electric current of 19.24 kA/cm (length of the Cu strip: 50 mm).

Image of FIG. 2.
FIG. 2.

A SEM image of a melted Cu strip showing three distinct regions—melted region, heat affected zone, and oxidation region (Cu-strip thickness: 0.085 mm, Cu-strip length: 50 mm, electric current density: 20.72 kA/cm).

Image of FIG. 3.
FIG. 3.

SEM micrographs of a melted Cu strip; (a) microstructure in the melted region, (b) microstructure in the heat affected zone, and (c) microstructure in the oxidation region (Cu-strip thickness: 0.085 mm, Cu-strip length: 50 mm, electric current density: 20.72 kA/cm).

Image of FIG. 4.
FIG. 4.

Two-dimensional Synchrotron XRD (2D XRD) patterns of the melted Cu strip in different regions; (a) rolled Cu, (b) oxidation region, (c) heat-affected zone, and (d) melted region (Cu-strip thickness: 0.125 mm, Cu-strip length: 50 mm, electric current density: 14.31 kA/cm).

Image of FIG. 5.
FIG. 5.

XRD patterns of the melted Cu strip in different regions; (a) rolled Cu, (b) oxidation region, (c) heat-affected zone, and (d) melted region (Cu-strip thickness: 0.125 mm, Cu-strip length: 50 mm, electric current density: 14.31 kA/cm).

Image of FIG. 6.
FIG. 6.

Variation of the maximum deflection with time (strip thickness: 0.086 mm, strip length: 50 mm).

Image of FIG. 7.
FIG. 7.

Variation of the maximum deflection of the Cu strips in the quasi-steady state period with electric current density.

Image of FIG. 8.
FIG. 8.

Temporal variation of the electric resistance over the Cu strips of 50 mm in length and 0.085 mm, in thickness.

Image of FIG. 9.
FIG. 9.

Dependence of the time-to-failure on electric current density.

Image of FIG. 10.
FIG. 10.

FEM results of the deflection profile of the Cu strip at several instants (current density: 19.24 kA/cm).

Image of FIG. 11.
FIG. 11.

Comparison of the FEM results and the experimental results for the temporal evolution of the electric potential difference and the maximum deflection of the Cu strip (current density: 19.24 kA/cm).

Image of FIG. 12.
FIG. 12.

FEM results of the variation of the maximum deflection of the Cu strips in the quasi-steady state period with the electric current density.

Tables

Generic image for table
Table I.

Summary of the current exponent.

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/content/aip/journal/jap/113/18/10.1063/1.4804938
2013-05-13
2014-04-18
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Electromechanical responses of Cu strips
http://aip.metastore.ingenta.com/content/aip/journal/jap/113/18/10.1063/1.4804938
10.1063/1.4804938
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