搅拌摩擦加工改性Mg-5Zn合金的显微组织与耐腐蚀性能

龙飞, 刘瞿, 朱艺星, 周梦然, 陈高强, 史清宇

Microstructure and Corrosion Resistance of Modified Mg-5Zn Alloy via Friction Stir Processing

LONG Fei, LIU Qu, ZHU Yixing, ZHOU Mengran, CHEN Gaoqiang, SHI Qingyu

表2 铸态Mg-5Zn母材和FSP处理样品在3.5%NaCl溶液中的动电位极化曲线的拟合结果

Table 2 Fitting results of the potentiodynamic polarization curves of as-cast and FSP-treated Mg-5Zn alloy samples in 3.5%NaCl solution

Sample Ecorr (vs SCE) / V icorr / (A·cm2) As-cast -1.41 3.15 × 10-5 FSP-14 -1.44 4.11 × 10-6 FSP-17 -1.45 2.85 × 10-5 FSP-20 -1.45 1.10 × 10-4