Please use this identifier to cite or link to this item: doi:10.22028/D291-33471
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Title: Nanoscale friction and growth of surface oxides on a metallic glass under electrochemical polarization
Author(s): Ma, Haoran
Bennewitz, Roland
Language: English
Title: Tribology international
Volume: 158
Publisher/Platform: Elsevier
Year of Publication: 2021
Publikation type: Journal Article
Abstract: Metallic glasses are excellent materials for micromechanical systems, where miniature components involving mechanical contact require control of friction at the microscopic scale. We report on an in-situ study of the structure of oxide films formed upon electrochemical polarization and their role in nanoscale friction on a metallic glass in aqueous environment using atomic force microscopy. The oxide film has a bilayer structure, as revealed by repeated scanning with the tip of an atomic force microscope. The dependence of friction on electrochemical potential reveals the growth mechanism and highlights the role of the oxide films for the frictional response of metallic glasses. The chemical sensitivity of nanotribology studies under electrochemical control contributes to the understanding of corrosion mechanisms on metallic glasses.
DOI of the first publication: 10.1016/j.triboint.2021.106925
URL of the first publication:
Link to this record: hdl:20.500.11880/30765
ISSN: 0301-679X
Date of registration: 1-Mar-2021
Faculty: NT - Naturwissenschaftlich- Technische Fakultät
Department: NT - Physik
Professorship: NT - Keiner Professur zugeordnet
Collections:Die Universitätsbibliographie

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