Investigation of in-situ ion release and surface film formation of hcp Mg-Li thin films
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Date
2024-09-01
Authors
Hanke, Lisa
Kalchgruber, Lukas
Westernströer, Ulrike
Garbe-Schönberg, Dieter
Quandt, Eckhard
Valtiner, Markus
ORCID
Advisor
Referee
Mark
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Volume Title
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
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Abstract
In this work, the dissolution process of magnetron sputtered Mg-Li thin films was investigated by in-situ flow cell/ICP-MS measurements and ex-situ ICP-MS measurements after longer immersion and additional XPS measurements. High Li concentrations are released due to a Li rich carbonate layer formed in air. The depletion of Li leads to preferred Mg release before preferred Li release occurs due to the higher activity of Li and incorporation of Mg in corrosion products. This data provides a baseline for developing release profiles for medical application, more generally, it unravels details of the corrosion mechanism of lightweight MgLi alloys.
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Citation
CORROSION SCIENCE. 2024, vol. 238, issue 1, p. 1-10.
https://linkinghub.elsevier.com/retrieve/pii/S0010938X24005560
https://linkinghub.elsevier.com/retrieve/pii/S0010938X24005560
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Peer-reviewed
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Published version
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en