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