Abstract
Ag-based alloys are vital for joining bioceramics for implantable devices. However, rare research has conducted systematic studies on the biocompatibility of Ag-based alloys. Herein, the corrosion behaviors of two kinds of Ag-based alloys (AgCuTi and AgCu) in simulated body fluid are analyzed in detail through systematic electrochemical measurements. The corrosion resistance of these two alloys shows first increasing and then decreasing tendency with increasing corrosion time. The corrosion process of the AgCu alloy clearly shows the dissolution and deposition phenomenon, while the corrosion reaction of AgCuTi alloy is derived by deposition process. Further, during the corrosion process, AgCuTi alloy leaches less Cu and can produce some calcium phosphate. This study provides some instructional views on reliable joining of biomaterials.
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