期刊
CIRP ANNALS-MANUFACTURING TECHNOLOGY
卷 56, 期 1, 页码 113-116出版社
TECHNISCHE RUNDSCHAU EDITION COLIBRI LTD
DOI: 10.1016/j.cirp.2007.05.029
关键词
cutting; biomedical; corrosion
Biocompatible magnesium alloys offer great potential as absorbable implant materials. They degrade within a certain time span after surgery and are therefore suitable to temporarily accomplish medical functions, for instance as bone screws or plates. These implants support fractured bones until healing. This paper describes approaches to control the corrosion of the magnesium and hereby the degradation kinetics of the implant in the organism. The degradation kinetics is adjusted via surface (e.g. topography) and subsurface properties (e.g. residual stresses) of the implant determined by the manufacturing process. Consequently, a specific degradation profile adapted to the individual medical application is achievable.
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