Direct correlation between strengthening mechanisms and electrical noise in strained copper wires

Alain Pautrat; Clement Keller; Eric Hug; Natalia Bellido

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Direct correlation between strengthening mechanisms and electrical noise in strained copper wires

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arxiv 1102.1253 v1 pith:4WJLBFV2 submitted 2011-02-07 cond-mat.mtrl-sci

Direct correlation between strengthening mechanisms and electrical noise in strained copper wires

Natalia Bellido , Alain Pautrat , Clement Keller , Eric Hug This is my paper

classification cond-mat.mtrl-sci

keywords noisecopperdirectmechanismsresistancestrengtheningwiresbreakdown

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We have measured the resistance noise of copper metallic wires during a tensile stress. The time variation of the main resistance is continuous up to the wire breakdown, but its fluctuations reveal the intermittent and heterogeneous character of plastic flow. We show in particular direct correlations between strengthening mechanisms and noise spectra characteristics.

Direct correlation between strengthening mechanisms and electrical noise in strained copper wires

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