医用可降解Mg-2Y-1Zn-xZr合金微观组织和耐蚀性能研究

王中琪, 许春香, 杨丽景, 田林海, 黄涛, 史义轩, 杨文甫

Microstructure and Corrosion Resistance of Medical Degradable Mg-2Y-1Zn-xZr Alloy

WANG Zhongqi, XU Chunxiang, YANG Lijing, TIAN Linhai, HUANG Tao, SHI Yixuan, YANG Wenfu

表3 4种Mg-2Y-1Zn-xZr合金在SBF中的极化曲线拟合结果

Table 3 Fitting results of polarization curves of Mg-2Y-1Zn-xZr alloys in SBF solution

Material EcorrV vs SCE Corrosion rate mm·a-1 IcorrμA·cm-2 Mg-2Y-1Zn -1.76 0.718 15.86 Mg-2Y-1Zn-0.2Zr -1.76 0.487 10.78 Mg-2Y-1Zn-0.4Zr -1.61 0.026 0.567 Mg-2Y-1Zn-0.6Zr -1.66 0.110 2.43