2A12铝合金锆基转化膜的制备及性能研究
于宏飞1,2, 邵博3, 张悦1, 杨延格2()
Preparation and Properties of Zr-based Conversion Coating on 2A12 Al-alloy
YU Hongfei1,2, SHAO Bo3, ZHANG Yue1, YANG Yange2()

图2. 2A12铝合金基体与ZrCC电化学阻抗谱

Fig.2. Nyquist plot (a) and Bode plot (b) of bare 2A12 Al-alloy and ZrCC