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

图9 铸态Mg-5Zn母材与FSP处理的样品在3.5%NaCl溶液中的电化学阻抗谱(EIS)

Fig.9 Electrochemical impedance spectroscopy (EIS) diagrams of as-cast and FSP-treated Mg-5Zn alloy samples in 3.5%NaCl solution (a) Nyquist plots (Zim—imaginary part of the impedance, Zr—real part of the impedance) (b) Bode plots (|Z|—modulus of impedance)