Please use this identifier to cite or link to this item: https://hdl.handle.net/20.500.11851/1037
Title: Mesoscopic nonequilibrium thermodynamics treatment of the grain boundary thermal grooving induced by the anisotropic surface drift diffusion
Authors: Akyıldız, Öncü
Ören, Ersin Emre
Oğurtanı, Tarık Ömer
Keywords: electromigration forces
capillary
crack-growth
electric-field
metallic interconnects
interfaces
Issue Date: Sep-2011
Publisher: Springer
Source: Akyildiz, O., Oren, E. E., & Ogurtani, T. O. (2011). Mesoscopic nonequilibrium thermodynamics treatment of the grain boundary thermal grooving induced by the anisotropic surface drift diffusion. Journal of materials science, 46(18), 6054-6064.
Abstract: A systematic study based on the self-consistent dynamical simulations is presented for the grain boundary thermal grooving problem by strictly following the irreversible thermodynamic theory of surfaces and interfaces with singularities [T. O. Ogurtani, J. Chem. Phys. 124, 144706 (2006)]. This approach furnishes us to have auto-control on the otherwise free-motion of the grain boundary triple junction without presuming any equilibrium dihedral (wetting) angles at the edges. The effects of physicochemical properties and the anisotropic surface diffusivity on the transient grooving behavior, which takes place at the early stage of the scenario, were considered. We analyzed the experimental thermal grooving data reported for tungsten in the literature, and compared them with the carried simulation results. This investigation showed that the observed changes in the dihedral angles are strictly connected to the transient behavior of the simulated global system, and manifest themselves at the early stage of the thermal grooving phenomenon.
URI: https://doi.org/10.1007/s10853-011-5567-8
https://hdl.handle.net/20.500.11851/1037
ISSN: 0022-2461
Appears in Collections:Biyomedikal Mühendisliği Bölümü / Department of Biomedical Engineering
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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