The driving force governing room temperature grain coarsening in thin gold films

Oleksandr Glushko, Megan Cordill

Publikation: Beitrag in FachzeitschriftArtikelForschungBegutachtung

10 Zitate (Scopus)


Strong room-temperature grain coarsening in gold films on polyimide induced by cyclic uniaxial mechanical strain is demonstrated. Detailed electron backscatter diffraction analysis revealed that, in contrast to the predictions of shear-coupled grain boundary migration model, the grain coarsening is isotropic and coarsened grains do not exhibit any specific crystallographic orientations or misorientations to the neighboring grains. It is shown that a thermodynamic model where the driving force appears due to the difference in yield stresses between the grains with different sizes provides an adequate explanation of the experimental data.
Seiten (von - bis)42-45
FachzeitschriftScripta Materialia
Ausgabenummer15 March
Frühes Online-Datum17 Nov. 2016
PublikationsstatusVeröffentlicht - 2017

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