Effect of current crowding on electromigration lifetime investigated by simulation and experiment

Hieu, Nguyen Van; Salm, Cora

doi:10.1016/j.commatsci.2010.04.003

Cited by 9 publications

(3 citation statements)

References 12 publications

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“…This non-uniform distribution of current density results in a non-uniform local temperature distribution, resulting in the retardation of elongation. Hieu and Salm [22] explained that the CCE will have a greater effect when the dimensions are reduced. As such, the CCE will have a greater effect under high strain conditions when the specimen's dimensions are reduced.…”

Section: Tensile Propertiesmentioning

confidence: 99%

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Effect of Peak Current Density on Tensile Properties of AZ31B Magnesium Alloy

2021

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An investigation into the effects, including the athermal effect, of a pulsed current on AZ31B magnesium alloy was carried out. Different peak current densities were applied at the same temperature under uniaxial tensile testing. The results indicate that the stress reduction caused by the increasing peak current density is independent of temperature. The strain hardening coefficient also shows a similar trend. The fracture strain shows the optimum value due to the current crowding effect.

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Section: Tensile Propertiesmentioning

confidence: 99%

“…The authors also argued that it is important to avoid current crowding so as to avoid early failures. [22,23] From these considerations, it is inferred that at high enough current densities, the CCE can become significant, causing specimens to fail earlier.…”

Section: Tensile Propertiesmentioning

confidence: 99%

Effect of Peak Current Density on Tensile Properties of AZ31B Magnesium Alloy

2021

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“…Up to now, the mechanism of the effect of electric current is still ambiguous though some scholars have tried to explain the micromechanism by electromigration theory based on the promoting or inhabiting effect of the electric current on the atomic diffusion [22][23][24][25][26][27].…”

Section: Introductionmentioning

confidence: 99%