不同离子对TC4钛合金电化学腐蚀行为的协同作用机制

赵平平, 宋影伟, 董凯辉, 韩恩厚

Synergistic Effect Mechanism of Different Ions on the Electrochemical Corrosion Behavior of TC4 Titanium Alloy

ZHAO Pingping, SONG Yingwei, DONG Kaihui, HAN En-Hou

图6 TC4钛合金在含不同浓度Fe3+的酸性含氟溶液3.5%NaCl + 50 mmol/L H+ + 3 mmol/L F-中的极化曲线和EIS结果

Fig.6 Potentiodynamic polarazation curves (a) and EIS (b) of TC4 alloy in 3.5%NaCl + 50 mmol/L H+ + 3 mmol/L F- solutions with different Fe3+ concen-trations (cFe)