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Effect of Sn Content on the Corrosion Behavior of Ti-based Biomedical Amorphous Alloys

机译：Sn含量对Ti基生物医学非晶态合金腐蚀行为的影响

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The (Ti60Zr10Ta15Si15)100-xSnx (x=0, 4, 8, 12 at. %) ribbons were prepared by using the single roll melt- spinning method, and the fully amorphous alloys were obtained in the alloys as the Sn contentincreasing from 0 to 8 at. %. The effects of the Sn addition on the corrosion behavior of the amorphousalloys in phosphate buffer solution (PBS) were investigated using electrochemical polarization andelectrochemical impedance spectroscopy (EIS) tests. The results show that the amorphous alloysexhibit the passivated characterization with the formation of a stable passive film on their surfacesduring the immersion in PBS solution, and thus they have a superior corrosion resistance in the PBSsolution in comparison with the pure Ti and the crystalline Ti60Zr10Ta15Si15 alloy. The addition of Sninto the amorphous Ti60Zr10Ta15Si15 decreases the passive current density. The corrosion resistance ofthe amorphous alloys increases with the Sn content increasing from 0 to 8 at. %.
机译：使用单辊熔融纺丝法制备了（Ti60Zr10Ta15Si15）100-xSnx（x = 0、4、8、12 at。％）薄带，并且随着Sn含量从0增加，合金中获得了完全非晶态的合金。到8点％。使用电化学极化和电化学阻抗谱（EIS）试验研究了Sn添加对非晶态合金在磷酸盐缓冲溶液（PBS）中腐蚀行为的影响。结果表明，非晶态合金在浸入PBS溶液过程中表现出钝化特性，并在其表面形成稳定的钝化膜，因此与纯Ti和Ti60Zr10Ta15Si15合金相比，它们在PBS溶液中具有优异的耐腐蚀性。将Snin添加到非晶Ti60Zr10Ta15Si15中会降低无源电流密度。非晶态合金的耐蚀性随Sn含量从0 at增加到8 at而增加。 ％。

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