In-operando fatigue behavior of gold metallization lines on polyimide substrate

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In-operando fatigue behavior of gold metallization lines on polyimide substrate. / Glushko, Oleksandr; Cordill, Megan J.
In: Scripta materialia, Vol. 186.2020, No. September, 2020, p. 48-51.

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Glushko O, Cordill MJ. In-operando fatigue behavior of gold metallization lines on polyimide substrate. Scripta materialia. 2020;186.2020(September):48-51. doi: 10.1016/j.scriptamat.2020.04.021

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Glushko, Oleksandr ; Cordill, Megan J. / In-operando fatigue behavior of gold metallization lines on polyimide substrate. In: Scripta materialia. 2020 ; Vol. 186.2020, No. September. pp. 48-51.

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@article{7b936c22a691454d8530ff809a02493d,
title = "In-operando fatigue behavior of gold metallization lines on polyimide substrate",
abstract = "Although in-situ monitoring of electrical resistance of polymer-supported thin films during a mechanical test is frequently used, the impact of the magnitude of electric current on material behavior in such experiments remained unknown. Here, we report on cyclic straining of polymer-supported gold metallization lines under direct current of different magnitudes. Fatigue damage in form of localized extrusions becomes more pronounced with increasing current as a result of Joule heat and material softening. After a critical current value is reached, crack propagation results in a local decrease of line cross-section leading to thermal runaway and open circuit failure.",
author = "Oleksandr Glushko and Cordill, {Megan J.}",
year = "2020",
doi = "10.1016/j.scriptamat.2020.04.021",
language = "English",
volume = "186.2020",
pages = "48--51",
journal = "Scripta materialia",
issn = "1359-6462",
publisher = "Elsevier",
number = "September",

}

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TY - JOUR

T1 - In-operando fatigue behavior of gold metallization lines on polyimide substrate

AU - Glushko, Oleksandr

AU - Cordill, Megan J.

PY - 2020

Y1 - 2020

N2 - Although in-situ monitoring of electrical resistance of polymer-supported thin films during a mechanical test is frequently used, the impact of the magnitude of electric current on material behavior in such experiments remained unknown. Here, we report on cyclic straining of polymer-supported gold metallization lines under direct current of different magnitudes. Fatigue damage in form of localized extrusions becomes more pronounced with increasing current as a result of Joule heat and material softening. After a critical current value is reached, crack propagation results in a local decrease of line cross-section leading to thermal runaway and open circuit failure.

AB - Although in-situ monitoring of electrical resistance of polymer-supported thin films during a mechanical test is frequently used, the impact of the magnitude of electric current on material behavior in such experiments remained unknown. Here, we report on cyclic straining of polymer-supported gold metallization lines under direct current of different magnitudes. Fatigue damage in form of localized extrusions becomes more pronounced with increasing current as a result of Joule heat and material softening. After a critical current value is reached, crack propagation results in a local decrease of line cross-section leading to thermal runaway and open circuit failure.

U2 - 10.1016/j.scriptamat.2020.04.021

DO - 10.1016/j.scriptamat.2020.04.021

M3 - Article

VL - 186.2020

SP - 48

EP - 51

JO - Scripta materialia

JF - Scripta materialia

SN - 1359-6462

IS - September

ER -