期刊
ACTA BIOMATERIALIA
卷 13, 期 -, 页码 16-31出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.actbio.2014.11.048
关键词
Magnesium alloys; In vitro and in vivo corrosion; Biomaterials; Orthopaedics; Biodegradable metallic implants
资金
- Helmholtz Virtuelles Institut [VH-VI-523]
Due to their biodegradability, magnesium and magnesium-based alloys could represent the third generation of biomaterials. However, their mechanical properties and time of degradation have to match the needs of applications. Several approaches, such as choice of alloying elements or tailored microstructure, are employed to tailor corrosion behaviour. Due to the high electrochemical activity of Mg, numerous environmental factors (e.g. temperature and surrounding ion composition) influence its corrosion behaviour, making it unpredictable. Nevertheless, the need of reliable in vitro model(s) to predict in vivo implant degradation is increasing. In an attempt to find a correlation between in vitro and vivo corrosion rates, this review presents a systematic literature survey, as well as an attempt to correlate the different results. (C) 2014 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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