微量Zr对Al-Zn-Mg-Mn合金板材抗剥落腐蚀性能的影响
柴文茹1,2,陈景超1,2,刘胜胆1,2,3(
),叶凌英1,2,3,林化强4,张新明1,2,3
),叶凌英1,2,3,林化强4,张新明1,2,3
Effect of Minor Zr Addition on Exfoliation Corrosion Resistance of Al-Zn-Mg-Mn Alloy Sheet
Wenru CHAI1,2,Jingchao CHEN1,2,Shengdan LIU1,2,3(),Lingying YE1,2,3,Huaqiang LIN4,Xinming ZHANG1,2,3
),Lingying YE1,2,3,Huaqiang LIN4,Xinming ZHANG1,2,3
图8. 两种板材在EXCO溶液浸泡48 h后RD-ND面的金相照片
Fig.8. Optical micrographs of the cross sections of (a) Al-Zn-Mg-Mn and (b) Al-Zn-Mg-Mn-Zr sheets after immersion in EXCO solution for 48 h
