Investigation of in-situ ion release and surface film formation of hcp Mg-Li thin films

被引：0
|
作者：
Hanke, Lisa [1 ]
Kalchgruber, Lukas [2 ]
Westernstroeer, Ulrike [3 ]
Garbe-Schoenberg, Dieter [3 ]
Quandt, Eckhard [1 ]
Valtiner, Markus [2 ]
机构：
[1] Univ Kiel, Inst Mat Sci, Inorgan Funct Mat, Kiel, Germany
[2] Vienna Univ Technol, Inst Appl Phys, Appl Interface Phys, Vienna, Austria
[3] Univ Kiel, Inst Geosci, Marine Climate Res, Kiel, Germany
来源：
CORROSION SCIENCE | 2024年 / 238卷
关键词：
A Magnesium; A Sputtered films; B XPS; C Surface films; B ICP- MS; CORROSION BEHAVIOR; MAGNESIUM ALLOYS; DISSOLUTION; MECHANISM; ICP; VITRO; BULK; MICROSTRUCTURE; DEGRADATION;
D O I：
10.1016/j.corsci.2024.112361
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
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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页数：10
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