A356铝合金扫描式微弧氧化涂层的成膜过程及耐腐蚀性能*

夏伶勤,韩建民,杨莎,杨智勇,李卫京

Growth Process of Scanning Microarc Oxidation Coatings on A356 Alloy and their Corrosion Resistance

Lingqin XIA,Jianmin HAN,Sha YANG,Zhiyong YANG,Weijing LI

图4 A356合金扫描式微弧氧化陶瓷膜的表面形貌

Fig.4 Surface morphologies of the A356 alloy treated by CMAO (a) and SMAO (c) respectively (interelectrode gap 5 mm, 0.1 mm/s scanning velocity); (b, d) high magnification of Fig.4a, c